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vector-toc-level-2"> <a class="vector-toc-link" href="#10GBASE-ZR"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.5</span> <span>10GBASE-ZR</span> </div> </a> <ul id="toc-10GBASE-ZR-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-10GBASE-LX4" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#10GBASE-LX4"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.6</span> <span>10GBASE-LX4</span> </div> </a> <ul id="toc-10GBASE-LX4-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-10GBASE-PR" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#10GBASE-PR"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.7</span> <span>10GBASE-PR</span> </div> </a> <ul id="toc-10GBASE-PR-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-10GBASE-BR" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#10GBASE-BR"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.8</span> <span>10GBASE-BR</span> </div> </a> <ul id="toc-10GBASE-BR-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Copper" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Copper"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Copper</span> </div> </a> <button aria-controls="toc-Copper-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Copper subsection</span> </button> <ul id="toc-Copper-sublist" class="vector-toc-list"> <li id="toc-10GBASE-CX4" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#10GBASE-CX4"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>10GBASE-CX4</span> </div> </a> <ul id="toc-10GBASE-CX4-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-SFP+_direct_attach" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#SFP+_direct_attach"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>SFP+ direct attach</span> </div> </a> <ul id="toc-SFP+_direct_attach-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Backplane" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Backplane"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>Backplane</span> </div> </a> <ul id="toc-Backplane-sublist" class="vector-toc-list"> <li id="toc-10GBASE-KX4" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#10GBASE-KX4"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3.1</span> <span>10GBASE-KX4</span> </div> </a> <ul id="toc-10GBASE-KX4-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-10GBASE-KR" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#10GBASE-KR"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3.2</span> <span>10GBASE-KR</span> </div> </a> <ul id="toc-10GBASE-KR-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-10GBASE-T" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#10GBASE-T"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span> <span>10GBASE-T</span> </div> </a> <ul id="toc-10GBASE-T-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-10GBASE-T1" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#10GBASE-T1"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.5</span> <span>10GBASE-T1</span> </div> </a> <ul id="toc-10GBASE-T1-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-WAN_PHY_(10GBASE-W)" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#WAN_PHY_(10GBASE-W)"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>WAN PHY (10GBASE-W)</span> </div> </a> <ul id="toc-WAN_PHY_(10GBASE-W)-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" 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Available in 18 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-18" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">18 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/10_Gigabit_Ethernet" title="10 Gigabit Ethernet – Catalan" lang="ca" hreflang="ca" data-title="10 Gigabit Ethernet" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de badge-Q70894304 mw-list-item" title=""><a href="https://de.wikipedia.org/wiki/10-Gigabit-Ethernet" title="10-Gigabit-Ethernet – German" lang="de" hreflang="de" data-title="10-Gigabit-Ethernet" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/10-gigabitine_Ethernet" title="10-gigabitine Ethernet – Estonian" lang="et" hreflang="et" data-title="10-gigabitine Ethernet" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/10_Gigabit_Ethernet" title="10 Gigabit Ethernet – Spanish" lang="es" hreflang="es" data-title="10 Gigabit Ethernet" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D8%AA%D8%B1%D9%86%D8%AA_%DB%B1%DB%B0_%DA%AF%DB%8C%DA%AF%D8%A7%D8%A8%DB%8C%D8%AA%DB%8C" title="اترنت ۱۰ گیگابیتی – Persian" lang="fa" hreflang="fa" data-title="اترنت ۱۰ گیگابیتی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/10_Gigabit_Ethernet" title="10 Gigabit Ethernet – French" lang="fr" hreflang="fr" data-title="10 Gigabit Ethernet" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/10%EA%B8%B0%EA%B0%80%EB%B9%84%ED%8A%B8_%EC%9D%B4%EB%8D%94%EB%84%B7" title="10기가비트 이더넷 – Korean" lang="ko" hreflang="ko" data-title="10기가비트 이더넷" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/10_gigabit_Ethernet" title="10 gigabit Ethernet – Italian" lang="it" hreflang="it" data-title="10 gigabit Ethernet" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/10_Gigabit_Ethernet" title="10 Gigabit Ethernet – Dutch" lang="nl" hreflang="nl" data-title="10 Gigabit Ethernet" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/10%E3%82%AE%E3%82%AC%E3%83%93%E3%83%83%E3%83%88%E3%83%BB%E3%82%A4%E3%83%BC%E3%82%B5%E3%83%8D%E3%83%83%E3%83%88" title="10ギガビット・イーサネット – Japanese" lang="ja" hreflang="ja" data-title="10ギガビット・イーサネット" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/10_Gigabit_Ethernet" title="10 Gigabit Ethernet – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="10 Gigabit Ethernet" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/10_Gigabit_Ethernet" title="10 Gigabit Ethernet – Polish" lang="pl" hreflang="pl" data-title="10 Gigabit Ethernet" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ethernet_10_Gigabit" title="Ethernet 10 Gigabit – Portuguese" lang="pt" hreflang="pt" data-title="Ethernet 10 Gigabit" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/10-%D0%B3%D0%B8%D0%B3%D0%B0%D0%B1%D0%B8%D1%82%D0%BD%D1%8B%D0%B9_Ethernet" title="10-гигабитный Ethernet – Russian" lang="ru" hreflang="ru" data-title="10-гигабитный Ethernet" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/10_%D0%B3%D0%B8%D0%B3%D0%B0%D0%B1%D0%B8%D1%82%D0%BD%D0%B8_%D0%B5%D1%82%D0%B5%D1%80%D0%BD%D0%B5%D1%82" title="10 гигабитни етернет – Serbian" lang="sr" hreflang="sr" data-title="10 гигабитни етернет" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/10_Gigabit_Ethernet" title="10 Gigabit Ethernet – Turkish" lang="tr" hreflang="tr" data-title="10 Gigabit Ethernet" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/10_Gigabit_Ethernet" title="10 Gigabit Ethernet – Ukrainian" lang="uk" hreflang="uk" data-title="10 Gigabit Ethernet" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/10%E5%90%89%E6%AF%94%E7%89%B9%E4%B9%99%E5%A4%AA%E7%B6%B2%E8%B7%AF" title="10吉比特乙太網路 – Chinese" lang="zh" hreflang="zh" data-title="10吉比特乙太網路" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q2474721#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/10_Gigabit_Ethernet" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li 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<div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Standards for Ethernet at ten times the speed of Gigabit Ethernet</div> <p class="mw-empty-elt"> </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Avaya-10G-ERS-8600.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Avaya-10G-ERS-8600.png/310px-Avaya-10G-ERS-8600.png" decoding="async" width="310" height="295" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Avaya-10G-ERS-8600.png/465px-Avaya-10G-ERS-8600.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Avaya-10G-ERS-8600.png/620px-Avaya-10G-ERS-8600.png 2x" data-file-width="839" data-file-height="798" /></a><figcaption> <a href="/wiki/Router_(computing)" title="Router (computing)">Router</a> with two dozen 10 Gigabit Ethernet ports and three types of physical-layer module</figcaption></figure> <p><b>10 Gigabit Ethernet</b> (abbreviated <b>10GE</b>, <b>10GbE</b>, or <b>10 GigE</b>) is a group of <a href="/wiki/Computer_network" title="Computer network">computer networking</a> technologies for transmitting <a href="/wiki/Ethernet_frame" title="Ethernet frame">Ethernet frames</a> at a rate of 10 <a href="/wiki/Gigabits_per_second" class="mw-redirect" title="Gigabits per second">gigabits per second</a>. It was first defined by the <a href="/wiki/IEEE_802.3" title="IEEE 802.3">IEEE 802.3ae-2002</a> standard. Unlike previous Ethernet standards, 10GbE defines only <a href="/wiki/Duplex_(telecommunications)" title="Duplex (telecommunications)">full-duplex</a> point-to-point links which are generally connected by <a href="/wiki/Network_switch" title="Network switch">network switches</a>; shared-medium <a href="/wiki/CSMA/CD" class="mw-redirect" title="CSMA/CD">CSMA/CD</a> operation has not been carried over from the previous generations of Ethernet standards<sup id="cite_ref-Palmer_1-0" class="reference"><a href="#cite_note-Palmer-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> so half-duplex operation and <a href="/wiki/Repeater_hub" class="mw-redirect" title="Repeater hub">repeater hubs</a> do not exist in 10GbE.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The first standard for faster <a href="/wiki/100_Gigabit_Ethernet" title="100 Gigabit Ethernet">100 Gigabit Ethernet</a> links was approved in 2010.<sup id="cite_ref-ieee802.org_3-0" class="reference"><a href="#cite_note-ieee802.org-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>The 10GbE standard encompasses a number of different <a href="/wiki/Physical_layer" title="Physical layer">physical layer</a> (PHY) standards. A networking device, such as a switch or a <a href="/wiki/Network_interface_controller" title="Network interface controller">network interface controller</a> may have different PHY types through pluggable PHY modules, such as those based on <a href="/wiki/SFP%2B" class="mw-redirect" title="SFP+">SFP+</a>.<sup id="cite_ref-cagr_4-0" class="reference"><a href="#cite_note-cagr-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Like previous versions of Ethernet, 10GbE can use either copper or fiber cabling. Maximum distance over copper cable is 100 meters but because of its bandwidth requirements, higher-grade cables are required.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> </p><p>The adoption of 10GbE has been more gradual than previous revisions of <a href="/wiki/Ethernet" title="Ethernet">Ethernet</a>: in 2007, one million 10GbE ports were shipped, in 2009 two million ports were shipped, and in 2010 over three million ports were shipped,<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> with an estimated nine million ports in 2011.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> As of 2012<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=10_Gigabit_Ethernet&action=edit">[update]</a></sup>, although the price per gigabit of bandwidth for 10GbE was about one-third compared to <a href="/wiki/Gigabit_Ethernet" title="Gigabit Ethernet">Gigabit Ethernet</a>, the price per port of 10GbE still hindered more widespread adoption.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>By 2022, the price per port of 10GBase-T had dropped to $50 - $100 depending on scale.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> In 2023, <a href="/wiki/Wi-Fi_7" title="Wi-Fi 7">Wi-Fi 7</a> routers began appearing with 10GbE WAN ports as standard. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Standards">Standards</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=1" title="Edit section: Standards"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Over the years the <a href="/wiki/Institute_of_Electrical_and_Electronics_Engineers" title="Institute of Electrical and Electronics Engineers">Institute of Electrical and Electronics Engineers</a> (IEEE) <a href="/wiki/IEEE_802.3" title="IEEE 802.3">802.3 working group</a> has published several standards relating to 10GbE. </p> <table class="wikitable"> <tbody><tr> <th>Standard</th> <th>Publication year</th> <th>Description </th></tr> <tr> <td>802.3ae</td> <td>2002<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup></td> <td>10 Gbit/s <a href="/wiki/Ethernet_over_fiber" title="Ethernet over fiber">Ethernet over fiber</a> for <a href="/wiki/LAN" class="mw-redirect" title="LAN">LAN</a> (10GBASE-SR), <a href="/wiki/Wide_area_network" title="Wide area network">WAN</a> (10GBASE-LR, 10GBASE-ER, 10GBASE-LX4), and <a href="/wiki/SDH/SONET" class="mw-redirect" title="SDH/SONET">SDH/SONET</a>-compatible WAN (10GBASE-SW, 10GBASE-LW, 10GBASE-EW) </td></tr> <tr> <td>802.3ak</td> <td>2004</td> <td>10GBASE-CX4 10 Gbit/s Ethernet over <a href="/wiki/Twinaxial_cabling" title="Twinaxial cabling">twinaxial cabling</a> </td></tr> <tr> <td>802.3-2005</td> <td>2005</td> <td>A revision of base standard incorporating 802.3ae, 802.3ak and errata </td></tr> <tr> <td>802.3an</td> <td>2006</td> <td>10GBASE-T 10 Gbit/s Ethernet over copper twisted pair cable </td></tr> <tr> <td>802.3ap</td> <td>2007</td> <td>Backplane Ethernet, 1 and 10 Gbit/s over printed circuit boards (10GBASE-KR and 10GBASE-KX4) </td></tr> <tr> <td>802.3aq</td> <td>2006</td> <td>10GBASE-LRM 10 Gbit/s Ethernet over multi-mode fiber with enhanced equalization </td></tr> <tr> <td>802.3-2008</td> <td>2008</td> <td>A revision of base standard incorporating the 802.3an/ap/aq/as amendments, two corrigenda and errata. Link aggregation moved to 802.1AX. </td></tr> <tr> <td>802.3av</td> <td>2009</td> <td>10GBASE-PR 10 Gbit/s Ethernet PHY for EPON </td></tr> <tr> <td>802.3-2015</td> <td>2015</td> <td>The previous version of the base standard </td></tr> <tr> <td>802.3bz</td> <td>2016</td> <td>2.5 Gigabit and 5 Gigabit Ethernet over <a href="/wiki/Cat-5" class="mw-redirect" title="Cat-5">Cat-5</a>/<a href="/wiki/Cat-6" class="mw-redirect" title="Cat-6">Cat-6</a> twisted pair – 2.5GBASE-T and 5GBASE-T </td></tr> <tr> <td>802.3-2018</td> <td>2018</td> <td>The latest version of the base standard incorporating the 802.3bn/bp/bq/br/bs/bw/bu/bv/by/bz/cc/ce amendments. </td></tr> <tr> <td>802.3ch</td> <td>2020</td> <td>Physical Layer Specifications and Management Parameters for 2.5, 5 and 10 Gbit/s Automotive Electrical Ethernet (10GBASE-T1) </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Physical_layer_modules">Physical layer modules</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=2" title="Edit section: Physical layer modules"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Intel_XFP.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Intel_XFP.jpg/330px-Intel_XFP.jpg" decoding="async" width="330" height="96" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Intel_XFP.jpg/495px-Intel_XFP.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Intel_XFP.jpg/660px-Intel_XFP.jpg 2x" data-file-width="858" data-file-height="250" /></a><figcaption>Closeup of a 10 Gigabit Ethernet <a href="/wiki/XFP_transceiver" title="XFP transceiver">XFP transceiver</a></figcaption></figure> <p>To implement different 10GbE physical layer standards, many interfaces consist of a standard socket into which different physical (PHY) layer modules may be plugged. PHY modules are not specified in an official standards body but by <a href="/wiki/Multi-source_agreement" title="Multi-source agreement">multi-source agreements</a> (MSAs) that can be negotiated more quickly. Relevant MSAs for 10GbE include <a href="/wiki/XENPAK" title="XENPAK">XENPAK</a><sup id="cite_ref-BFT_10GbE_TCVR_13-0" class="reference"><a href="#cite_note-BFT_10GbE_TCVR-13"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-XENPAK_EOL_14-0" class="reference"><a href="#cite_note-XENPAK_EOL-14"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Cisco-XENPAK_15-0" class="reference"><a href="#cite_note-Cisco-XENPAK-15"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> (and related X2 and XPAK), <a href="/wiki/XFP" class="mw-redirect" title="XFP">XFP</a> and <a href="/wiki/SFP%2B" class="mw-redirect" title="SFP+">SFP+</a>.<sup id="cite_ref-Nyquist-SFP_16-0" class="reference"><a href="#cite_note-Nyquist-SFP-16"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Latchman-Tailor-SFP_17-0" class="reference"><a href="#cite_note-Latchman-Tailor-SFP-17"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> When choosing a PHY module, a designer considers cost, reach, media type, power consumption, and size (form factor). A single point-to-point link can have different MSA pluggable formats on either end (e.g. XPAK and SFP+) as long as the 10GbE optical or copper port type (e.g. 10GBASE-SR) supported by the pluggable is identical. </p><p>XENPAK was the first MSA for 10GE and had the largest form factor. X2 and XPAK were later competing standards with smaller form factors. X2 and XPAK have not been as successful in the market as XENPAK. XFP came after X2 and XPAK and it is also smaller. </p><p>The newest module standard is the <a href="/wiki/Enhanced_small_form-factor_pluggable_transceiver" class="mw-redirect" title="Enhanced small form-factor pluggable transceiver">enhanced small form-factor pluggable transceiver</a>, generally called SFP+. Based on the <a href="/wiki/Small_form-factor_pluggable_transceiver" class="mw-redirect" title="Small form-factor pluggable transceiver">small form-factor pluggable transceiver</a> (SFP) and developed by the ANSI T11 <a href="/wiki/Fibre_channel" class="mw-redirect" title="Fibre channel">fibre channel</a> group, it is smaller still and lower power than XFP. SFP+ has become the most popular socket on 10GE systems.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Nyquist-SFP_16-1" class="reference"><a href="#cite_note-Nyquist-SFP-16"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> SFP+ modules do only optical to electrical conversion, no clock and data recovery, putting a higher burden on the host's channel equalization. SFP+ modules share a common physical form factor with legacy SFP modules, allowing higher port density than XFP and the re-use of existing designs for 24 or 48 ports in a <a href="/wiki/19-inch_rack" title="19-inch rack">19-inch rack</a> width blade. </p><p>Optical modules are connected to a host by either a <a href="/wiki/XAUI" title="XAUI">XAUI</a>, <a href="/wiki/XFI" class="mw-redirect" title="XFI">XFI</a> or <a href="/wiki/SerDes_Framer_Interface" title="SerDes Framer Interface">SerDes Framer Interface</a> (SFI) interface. XENPAK, X2, and XPAK modules use XAUI to connect to their hosts. XAUI (XGXS) uses a four-lane data channel and is specified in IEEE 802.3 Clause 47. XFP modules use a XFI interface and SFP+ modules use an SFI interface. XFI and SFI use a single lane data channel and the <a href="/wiki/64b/66b_encoding" title="64b/66b encoding">64b/66b encoding</a> specified in IEEE 802.3 Clause 49. </p><p>SFP+ modules can further be grouped into two types of host interfaces: linear or limiting. Limiting modules are preferred except when for long-reach applications using 10GBASE-LRM modules.<sup id="cite_ref-Latchman-Tailor-SFP_17-1" class="reference"><a href="#cite_note-Latchman-Tailor-SFP-17"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable" style="text-align:left"> <caption>Legend for fibre-based PHYs<sup id="cite_ref-TDG_ETH_2nd_19-0" class="reference"><a href="#cite_note-TDG_ETH_2nd-19"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th>Fibre type</th> <th>Introduced</th> <th>Performance </th></tr> <tr> <td style="background-color:orange"><a href="/wiki/Multimode_fibre" class="mw-redirect" title="Multimode fibre">MMF</a> FDDI 62.5/125 µm</td> <td>1987</td> <td><span style="visibility:hidden;color:transparent;">0</span>160 MHz·km @ 850 nm </td></tr> <tr> <td style="background-color:orange"><a href="/wiki/Multimode_fibre" class="mw-redirect" title="Multimode fibre">MMF</a> OM1 62.5/125 µm</td> <td>1989</td> <td><span style="visibility:hidden;color:transparent;">0</span>200 MHz·km @ 850 nm </td></tr> <tr> <td style="background-color:orange"><a href="/wiki/Multimode_fibre" class="mw-redirect" title="Multimode fibre">MMF</a> OM2 50/125 µm</td> <td>1998</td> <td><span style="visibility:hidden;color:transparent;">0</span>500 MHz·km @ 850 nm </td></tr> <tr> <td style="background-color:#7DF9FF"><a href="/wiki/Multimode_fibre" class="mw-redirect" title="Multimode fibre">MMF</a> OM3 50/125 µm</td> <td>2003</td> <td>1500 MHz·km @ 850 nm </td></tr> <tr> <td style="background-color:#FF79BC"><a href="/wiki/Multimode_fibre" class="mw-redirect" title="Multimode fibre">MMF</a> OM4 50/125 µm</td> <td>2008</td> <td>3500 MHz·km @ 850 nm </td></tr> <tr> <td style="background-color:#66FF00"><a href="/wiki/Multimode_fibre" class="mw-redirect" title="Multimode fibre">MMF</a> OM5 50/125 µm</td> <td>2016</td> <td>3500 MHz·km @ 850 nm + 1850 MHz·km @ 950 nm </td></tr> <tr> <td style="background-color:yellow"><a href="/wiki/Single_mode_fibre" class="mw-redirect" title="Single mode fibre">SMF</a> OS1 9/125 µm</td> <td>1998</td> <td>1.0 dB/km @ 1300/1550 nm </td></tr> <tr> <td style="background-color:yellow"><a href="/wiki/Single_mode_fibre" class="mw-redirect" title="Single mode fibre">SMF</a> OS2 9/125 µm</td> <td>2000</td> <td>0.4 dB/km @ 1300/1550 nm </td></tr></tbody></table> <table class="wikitable" style="line-height:110%;"> <tbody><tr> <th>Name </th> <th>Standard </th> <th>Status </th> <th style="width: 170px;">Media </th> <th>Connector </th> <th><small>Transceiver<br />Module</small> </th> <th>Reach<br />in m </th> <th><small>#<br /><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style><span class="rt-commentedText tooltip tooltip-dotted" title="Number of physical media (wires/fibres) needed for bidirectional traffic">Media</span><br />(⇆)</small> </th> <th><small>#<br /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><span class="rt-commentedText tooltip tooltip-dotted" title="Number of wavelengths used in each direction">Lambdas</span><br />(→)</small> </th> <th><small>#<br /><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><span class="rt-commentedText tooltip tooltip-dotted" title="Number of lanes (on the wire/fibre) in each direction">Lanes</span><br />(→)</small> </th> <th>Notes </th></tr> <tr> <td colspan="11" style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="table-success"><b>10 Gigabit Ethernet (10 GbE)</b> - <small>(<a href="/wiki/Data_signaling_rate" title="Data signaling rate">Data rate</a>: 10 Gbit/s - <a href="/wiki/Line_code" title="Line code">Line code</a>: <a href="/wiki/64b/66b" class="mw-redirect" title="64b/66b">64b/66b</a> × <a href="/wiki/Non-return-to-zero" title="Non-return-to-zero">NRZ</a> - Line rate: <span class="nowrap"><span data-sort-value="7001103125000000000♠"></span>10.3125 <a href="/wiki/GBd" class="mw-redirect" title="GBd">GBd</a></span> - Full-Duplex)</small> <sup id="cite_ref-Cisco_10GbE_TCVR_20-0" class="reference"><a href="#cite_note-Cisco_10GbE_TCVR-20"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-NWW_10GbE_TCVR_21-0" class="reference"><a href="#cite_note-NWW_10GbE_TCVR-21"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-BFT_10GbE_TCVR_13-1" class="reference"><a href="#cite_note-BFT_10GbE_TCVR-13"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-KX4">10GBASE-K<span style="color:violet;">X</span>4</a></span> </td> <td><span class="nowrap">802.3ap-2007</span><br /><small>(CL48/71)</small> </td> <td style="background:#FFB; color:black;vertical-align:middle;text-align:center;" class="table-partial">legacy </td> <td style="background: #FFDFFF; color:black; vertical-align: middle; text-align: center;" class="dropped table-dropped">Cu-Backplane </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">4 </td> <td style="text-align:right;">N/A </td> <td style="text-align:right;">4 </td> <td><small><a href="/wiki/Printed_circuit_board" title="Printed circuit board">PCBs</a>;<br /><span style="color:violet;">Line code: 8b/10b × NRZ<br />Line rate: 4× 3.125 GBd = 12.5 GBd</span></small> </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-KR">10GBASE-KR</a></span> </td> <td><span class="nowrap">802.3ap-2007</span><br /><small>(CL49/72)</small> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td style="background: #FFDFFF; color:black; vertical-align: middle; text-align: center;" class="dropped table-dropped">Cu-Backplane </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td><small>PCBs</small> </td></tr> <tr> <td><span class="nowrap">10GPASS-XR</span> </td> <td><span class="nowrap">802.3bn-2016</span><br /><small>(CL100-102)</small> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td style="background: #FFDFFF; color:black; vertical-align: middle; text-align: center;" class="dropped table-dropped">Coax </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, inherit); vertical-align: middle; text-align: center;" class="table-na">— </td> <td style="text-align:right;"><i><b>?</b></i> </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td><small><a href="/wiki/EPON_Protocol_over_Coax" title="EPON Protocol over Coax">EPON Protocol over Coax</a> (EPoC) – up to 10 Gbit/s downstream and 1.6 Gbit/s upstream for a passive optical, point-to-multipoint network using passband <a href="/wiki/OFDM" class="mw-redirect" title="OFDM">OFDM</a> with up to <a href="/wiki/Quadrature_amplitude_modulation" title="Quadrature amplitude modulation">16384-QAM</a></small> </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-CX4">10GBASE-C<span style="color:violet;">X</span>4</a></span> </td> <td><span class="nowrap">802.3ak-2004</span><br /><small>(CL48/54)</small> </td> <td style="background:#FFB; color:black;vertical-align:middle;text-align:center;" class="table-partial">legacy </td> <td style="background: #FFDFFF; color:black; vertical-align: middle; text-align: center;" class="dropped table-dropped"><a href="/wiki/Twinaxial" class="mw-redirect" title="Twinaxial">Twinaxial</a><br /><a href="/wiki/Balanced" class="mw-redirect" title="Balanced">balanced</a> </td> <td style="background: #FFDFFF; color:black; vertical-align: middle; text-align: center;" class="dropped table-dropped"><small>CX4 (SFF-8470)<br /><span class="nowrap">(IEC 61076-3-113)</span><br />(<a href="/wiki/InfiniBand" title="InfiniBand">IB</a>)</small> </td> <td align="center"><small><i><del><a href="/wiki/XENPAK" title="XENPAK">XENPAK</a></del></i> <sup id="cite_ref-XENPAK_EOL_14-1" class="reference"><a href="#cite_note-XENPAK_EOL-14"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><br /><a href="/wiki/X2_transceiver" title="X2 transceiver">X2</a><br /><a href="/wiki/XFP" class="mw-redirect" title="XFP">XFP</a></small> </td> <td style="text-align:right;">15 </td> <td style="text-align:right;">4 </td> <td style="text-align:right;">N/A </td> <td style="text-align:right;">4 </td> <td><small><a href="/wiki/Data_center" title="Data center">Data centers</a>;<br /><span style="color:violet;">Line code: 8b/10b × NRZ<br />Line rate: 4× 3.125 GBd = 12.5 GBd</span></small> </td></tr> <tr> <td><span class="nowrap">10GSFP+Cu</span><br /><small><span class="nowrap"><i><a href="#SFP+_direct_attach">Direct Attach</a></i></span></small> </td> <td style="background:#FFB; color:black;vertical-align:middle;text-align:center;" class="table-partial"><span class="nowrap">SFF-8431<br />(2006)</span> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td style="background: #FFDFFF; color:black; vertical-align: middle; text-align: center;" class="dropped table-dropped">Twinaxial<br />balanced,<br />Fibre (AOC) </td> <td style="background: #FFDFFF; color:black; vertical-align: middle; text-align: center;" class="dropped table-dropped"><a href="/wiki/Small_form-factor_pluggable_transceiver#10_Gbit/s_SFP+" class="mw-redirect" title="Small form-factor pluggable transceiver">SFP+</a><br /><small>(SFF-8431)</small> </td> <td align="center"><small><b>SFP+</b></small> </td> <td style="text-align:right;">7<br />15<br />100 </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td><small>Data centers;<br />Cable types: passive <a href="/wiki/Twinaxial" class="mw-redirect" title="Twinaxial">twinaxial</a> (7 m), <a href="/wiki/Active_cable" title="Active cable">active</a> (15 m), active optical (AOC): (100 m)</small> </td></tr> <tr> <td rowspan="4"><span class="nowrap"><a href="#10GBASE-SR">10GBASE-SRL</a></span> </td> <td rowspan="4" style="background:#FFB; color:black;vertical-align:middle;text-align:center;" class="table-partial"><i>proprietary<br /><small>(non IEEE)</small></i> </td> <td rowspan="4" style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td rowspan="4" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><small><b><span style="color:red;">850 nm</span></b></small> </td> <td rowspan="4" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC<br />LC </td> <td rowspan="4" align="center"><small><b>SFP+</b><br /><span style="color:orange;"><i>XENPAK</i></span><br />X2<br />XFP</small> </td> <td style="background-color:orange"><span class="nowrap">OM1: 11</span> </td> <td rowspan="4" align="right">2 </td> <td rowspan="4" align="right">1 </td> <td rowspan="4" align="right">1 </td> <td rowspan="4"> </td></tr> <tr> <td style="background-color:orange"><span class="nowrap">OM2: 27</span> </td></tr> <tr> <td style="background-color:#7DF9FF"><span class="nowrap">OM3: 100</span> </td></tr> <tr> <td style="background-color:#FF69B4"><span class="nowrap">OM4: 150</span> </td></tr> <tr> <td rowspan="4"><span class="nowrap"><a href="#10GBASE-SR">10GBASE-SR</a></span> </td> <td rowspan="4"><span class="nowrap">802.3ae-2002</span><br /><small>(CL49/52)</small> </td> <td rowspan="4" style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td rowspan="4" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><small><b><span style="color:red;">850 nm</span></b></small> </td> <td rowspan="4" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC<br />LC </td> <td rowspan="4" align="center"><small><b>SFP+</b><br /><span style="color:orange;"><i>XENPAK</i></span><br />X2<br />XPAK<br />XFP</small> </td> <td style="background-color:orange"><span class="nowrap">OM1: 33</span> </td> <td rowspan="4" align="right">2 </td> <td rowspan="4" align="right">1 </td> <td rowspan="4" align="right">1 </td> <td rowspan="4"><small>Modal bandwidth (reach): 160 MHz·km (26 m), 200 MHz·km (33 m),<br />400 MHz·km (66 m), 500 MHz·km (82 m), 2000 MHz·km (300 m),<br />4700 MHz·km (400 m)</small> </td></tr> <tr> <td style="background-color:orange"><span class="nowrap">OM2: 82</span> </td></tr> <tr> <td style="background-color:#7DF9FF"><span class="nowrap">OM3: 300</span> </td></tr> <tr> <td style="background-color:#FF69B4"><span class="nowrap">OM4: 400</span> </td></tr> <tr> <td rowspan="2"><span class="nowrap"><a href="#10GBASE-LRM">10GBASE-LRM</a></span> </td> <td rowspan="2"><span class="nowrap">802.3aq-2006</span><br /><small>(CL49/68)</small> </td> <td rowspan="2" style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td rowspan="2" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><small><b><span style="color: #F88379;">1300 nm</span></b></small> </td> <td rowspan="2" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC<br />LC </td> <td rowspan="2" align="center"><small><b>SFP+</b><br /><span style="color:orange;"><i>XENPAK</i></span><br />X2</small> </td> <td style="background-color:orange"><span class="nowrap">OM2: 220</span> </td> <td rowspan="2" align="right">2 </td> <td rowspan="2" align="right">1 </td> <td rowspan="2" align="right">1 </td> <td rowspan="2"><sup id="cite_ref-NWTD_22-0" class="reference"><a href="#cite_note-NWTD-22"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> <small>Modal bandwidth: 500 MHz·km</small> </td></tr> <tr> <td style="background-color:#7DF9FF"><span class="nowrap">OM3: 220</span> </td></tr> <tr> <td rowspan="2"><span class="nowrap"><a href="#10GBASE-LX4">10GBASE-L<span style="color:violet;">X</span>4</a></span> </td> <td rowspan="2"><span class="nowrap">802.3ae-2002</span><br /><small>(CL48/53)</small> </td> <td rowspan="2" style="background:#FFB; color:black;vertical-align:middle;text-align:center;" class="table-partial">legacy </td> <td rowspan="2" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><span class="nowrap"><small><b><span style="color: #F88379;">1269.0 – 1282.4 nm<br />1293.5 – 1306.9 nm<br />1318.0 – 1331.4 nm<br />1342.5 – 1355.9 nm</span></b></small></span> </td> <td rowspan="2" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC </td> <td rowspan="2" align="center"><small><span style="color:orange;"><i>XENPAK</i></span><br />X2</small> </td> <td style="background-color:orange"><span class="nowrap">OM2: 300</span> </td> <td rowspan="2" align="right">2 </td> <td rowspan="2" align="right">4 </td> <td rowspan="2" align="right">4 </td> <td rowspan="2"><small><b><a href="/wiki/Wavelength-division_multiplexing" title="Wavelength-division multiplexing">WDM</a></b>; <sup id="cite_ref-NWTD_22-1" class="reference"><a href="#cite_note-NWTD-22"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><br /><span style="color:violet;">Line code: 8b/10b × NRZ<br />Line rate: 4× 3.125 GBd = 12.5 GBd</span><br /><a href="/wiki/Modal_bandwidth" title="Modal bandwidth">Modal bandwidth</a>: 500 MHz·km</small> </td></tr> <tr> <td style="background-color:yellow"><span class="nowrap">OS2: 10k</span> </td></tr> <tr> <td rowspan="4"><span class="nowrap"><a href="#10GBASE-SR">10GBASE-S<span style="color:skyblue;">W</span></a></span> </td> <td rowspan="4"><span class="nowrap">802.3ae-2002</span><br /><small>(CL50/52)</small> </td> <td rowspan="4" style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td rowspan="4" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><small><b><span style="color:red;">850 nm</span></b></small> </td> <td rowspan="4" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC<br />LC </td> <td rowspan="4" align="center"><small><b>SFP+</b><br />XPAK</small> </td> <td style="background-color:orange"><span class="nowrap">OM1: 33</span> </td> <td rowspan="4" align="right">2 </td> <td rowspan="4" align="right">1 </td> <td rowspan="4" align="right">1 </td> <td rowspan="7"><small><a href="/wiki/Wide_area_network" title="Wide area network">WAN</a>;<br /><span style="color:skyblue;">WAN-PHY;<br />Line rate: <span class="nowrap"><span data-sort-value="7000958460000000000♠"></span>9.5846 GBd</span><br />direct mapping as OC-192 / STM-64 <a href="/wiki/SONET" class="mw-redirect" title="SONET">SONET</a>/<a href="/wiki/Synchronous_Digital_Hierarchy" class="mw-redirect" title="Synchronous Digital Hierarchy">SDH</a> streams.</span><br />-ZW: -EW with higher performance optics</small> </td></tr> <tr> <td style="background-color:orange"><span class="nowrap">OM2: 82</span> </td></tr> <tr> <td style="background-color:#7DF9FF"><span class="nowrap">OM3: 300</span> </td></tr> <tr> <td style="background-color:#FF69B4"><span class="nowrap">OM4: 400</span> </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-LR">10GBASE-L<span style="color:skyblue;">W</span></a></span> </td> <td><span class="nowrap">802.3ae-2002</span><br /><small>(CL50/52)</small> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><small><b><span style="color: #F88379;">1310 nm</span></b></small> </td> <td style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC<br />LC </td> <td align="center"><small><b>SFP+</b><br /><span style="color:orange;"><i>XENPAK</i></span><br />XPAK</small> </td> <td style="background-color:yellow"><span class="nowrap">OS2: 10k</span> </td> <td style="text-align:right;">2 </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-ER">10GBASE-E<span style="color:skyblue;">W</span></a></span> </td> <td><span class="nowrap">802.3ae-2002</span><br /><small>(CL50/52)</small> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td rowspan="2" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><small><b><span style="color: #F49AC2;">1550 nm</span></b></small> </td> <td rowspan="2" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC<br />LC </td> <td rowspan="2" align="center"><small><b>SFP+</b></small> </td> <td style="background-color:yellow"><span class="nowrap">OS2: 40k</span> </td> <td rowspan="2" align="right">2 </td> <td rowspan="2" align="right">1 </td> <td rowspan="2" align="right">1 </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-ZR">10GBASE-Z<span style="color:skyblue;">W</span></a></span> </td> <td style="background:#FFB; color:black;vertical-align:middle;text-align:center;" class="table-partial"><i>proprietary<br /><small>(non IEEE)</small></i> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td style="background-color:yellow"><span class="nowrap">OS2: 80k</span> </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-LR">10GBASE-LR</a></span> </td> <td><span class="nowrap">802.3ae-2002<br /><small>(CL49/52)</small></span> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><small><b><span style="color: #F88379;">1310 nm</span></b></small> </td> <td style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC<br />LC </td> <td align="center"><small><b>SFP+</b><br /><span style="color:orange;"><i>XENPAK</i></span><br />X2<br />XPAK<br />XFP</small> </td> <td style="background-color:yellow"><span class="nowrap">OS2: 10k</span> </td> <td style="text-align:right;">2 </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td> </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-PR">10GBASE-PR</a></span> </td> <td><span class="nowrap">802.3av-2009</span> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><small><b><span class="nowrap">dn2up: <span style="color: #F88379;">1270 nm</span></span></b></small><br /><small><b><span class="nowrap">up2dn: <span style="color: #F49AC2;">1577 nm</span></span></b></small> </td> <td style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC </td> <td align="center"><small><b>SFP+</b><br />XFP</small> </td> <td style="background-color:yellow"><span class="nowrap">OS2: 20k</span> </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td style="text-align:right;">1 </td> <td><small><a href="/wiki/Passive_Optical_Network" class="mw-redirect" title="Passive Optical Network">10G EPON</a></small> </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-ER">10GBASE-ER</a></span> </td> <td><span class="nowrap">802.3ae-2002</span><br /><small>(CL49/52)</small> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td rowspan="2" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">Fibre<br /><small><b><span style="color: #F49AC2;">1550 nm</span></b></small> </td> <td rowspan="2" style="background: #DEF; color:black; vertical-align: middle; text-align: center;" class="table-cast">SC<br />LC </td> <td rowspan="2" align="center"><small><b>SFP+</b><br /><span style="color:orange;"><i>XENPAK</i></span><br />X2<br />XFP</small> </td> <td style="background-color:yellow"><span class="nowrap">OS2: 40k</span> </td> <td rowspan="2" align="right">2 </td> <td rowspan="2" align="right">1 </td> <td rowspan="2" align="right">1 </td> <td> </td></tr> <tr> <td><span class="nowrap"><a href="#10GBASE-ZR">10GBASE-ZR</a></span> </td> <td style="background:#FFB; color:black;vertical-align:middle;text-align:center;" class="table-partial"><i>proprietary<br /><small>(non IEEE)</small></i> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td style="background-color:yellow"><span class="nowrap">OS2: 80k</span> </td> <td><small>-ER with higher performance optics</small> </td></tr> </tbody></table> <table class="wikitable" style="line-height:110%;"> <caption>Comparison of <a href="/wiki/Ethernet_over_twisted_pair" title="Ethernet over twisted pair">twisted-pair-based Ethernet</a> physical transport layers (TP-PHYs)<sup id="cite_ref-TDG_ETH_2nd_19-1" class="reference"><a href="#cite_note-TDG_ETH_2nd-19"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th>Name </th> <th>Standard </th> <th>Status </th> <th>Speed (Mbit/s) </th> <th>Pairs required </th> <th>Lanes per direction </th> <th>Data rate efficiency (bit/(s Hz)) </th> <th><a href="/wiki/Line_code" title="Line code">Line code</a> </th> <th><a href="/wiki/Symbol_rate" title="Symbol rate">Symbol rate</a> per lane (MBd) </th> <th>Bandwidth </th> <th>Max distance (m) </th> <th>Cable </th> <th>Cable rating (MHz) </th> <th>Usage </th></tr> <tr> <td><span class="nowrap"><a href="/wiki/10GBASE-T" class="mw-redirect" title="10GBASE-T">10GBASE-T</a></span> </td> <td><span class="nowrap">802.3an-2006</span> </td> <td style="background: #9EFF9E; color:black; vertical-align: middle; text-align: center;" class="active table-active">current </td> <td align="right">10000 </td> <td align="right">4 </td> <td align="right">4 </td> <td align="right">6.25 </td> <td align="right">64B65B PAM-16 128-DSQ </td> <td align="right">800 </td> <td align="right">400 </td> <td align="right">100 </td> <td align="center"><a href="/wiki/Category_6A_cable" class="mw-redirect" title="Category 6A cable">Cat 6A</a> </td> <td align="right">500 </td> <td align="center">LAN </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Optical_fiber">Optical fiber</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=3" title="Edit section: Optical fiber"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Netiron_xmr_16000.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/86/Netiron_xmr_16000.JPG/220px-Netiron_xmr_16000.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/86/Netiron_xmr_16000.JPG/330px-Netiron_xmr_16000.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/86/Netiron_xmr_16000.JPG/440px-Netiron_xmr_16000.JPG 2x" data-file-width="2816" data-file-height="2112" /></a><figcaption>A <a href="/wiki/Foundry_Networks" title="Foundry Networks">Foundry Networks</a> <a href="/wiki/Router_(computing)" title="Router (computing)">router</a> with 10 Gigabit Ethernet optical interfaces (XFP transceiver). The yellow cables are single-mode duplex fiber optic connections.</figcaption></figure> <p>There are two basic types of <a href="/wiki/Optical_fiber" title="Optical fiber">optical fiber</a> used for 10 Gigabit Ethernet: <a href="/wiki/Single-mode_optical_fiber" title="Single-mode optical fiber">single-mode</a> (SMF) and <a href="/wiki/Multi-mode_optical_fiber" title="Multi-mode optical fiber">multi-mode</a> (MMF).<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> In SMF light follows a single path through the fiber while in MMF it takes multiple paths resulting in differential mode delay (DMD). SMF is used for long-distance communication and MMF is used for distances of less than 300 m. SMF has a narrower core (8.3 μm) which requires a more precise termination and connection method. MMF has a wider core (50 or 62.5 μm). The advantage of MMF is that it can be driven by a low cost <a href="/wiki/Vertical-cavity_surface-emitting_laser" title="Vertical-cavity surface-emitting laser">Vertical-cavity surface-emitting laser</a> (VCSEL) for short distances, and multi-mode connectors are cheaper and easier to terminate reliably in the field. The advantage of SMF is that it can work over longer distances.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p><p>In the 802.3 standard, reference is made to FDDI-grade MMF fiber. This has a 62.5 μm core and a minimum <a href="/wiki/Modal_bandwidth" title="Modal bandwidth">modal bandwidth</a> of 160 MHz·km at 850 nm. It was originally installed in the early 1990s for <a href="/wiki/FDDI" class="mw-redirect" title="FDDI">FDDI</a> and <a href="/wiki/100BASE-FX" class="mw-redirect" title="100BASE-FX">100BASE-FX</a> networks. The 802.3 standard also references <a href="/wiki/ISO/IEC_11801" title="ISO/IEC 11801">ISO/IEC 11801</a> which specifies <a href="/wiki/Multi-mode_optical_fiber#Types" title="Multi-mode optical fiber">optical MMF fiber types</a> OM1, OM2, OM3 and OM4. OM1 has a 62.5 μm core while the others have a 50 μm core. At 850 nm the minimum modal bandwidth of OM1 is 200 MHz·km, of OM2 500 MHz·km, of OM3 2000 MHz·km and of OM4 4700 MHz·km. FDDI-grade cable is now obsolete and new <a href="/wiki/Structured_cabling" title="Structured cabling">structured cabling</a> installations use either OM3 or OM4 cabling. OM3 cable can carry 10 Gigabit Ethernet 300 meters using low cost 10GBASE-SR optics.<sup id="cite_ref-ethernet_spec_25-0" class="reference"><a href="#cite_note-ethernet_spec-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> OM4 can manage 400 meters.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p><p>To distinguish SMF from MMF cables, SMF cables are usually yellow, while MMF cables are orange (OM1 & OM2) or aqua (OM3 & OM4). However, in fiber optics there is no uniform color for any specific optical speed or technology with the exception being the angled physical contact connector (APC), being an agreed color of green.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>There are also <a href="/w/index.php?title=Active_optical_cable&action=edit&redlink=1" class="new" title="Active optical cable (page does not exist)">active optical cables</a> (AOC). These have the optical electronics already connected eliminating the connectors between the cable and the optical module. They plug into standard SFP+ sockets. They are lower cost than other optical solutions because the manufacturer can match the electronics to the required length and type of cable.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (August 2015)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-SR">10GBASE-SR</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=4" title="Edit section: 10GBASE-SR"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:LR-Link_10GBASE-SR_SFP%2B_transceiver.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/LR-Link_10GBASE-SR_SFP%2B_transceiver.jpg/330px-LR-Link_10GBASE-SR_SFP%2B_transceiver.jpg" decoding="async" width="330" height="211" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7f/LR-Link_10GBASE-SR_SFP%2B_transceiver.jpg/495px-LR-Link_10GBASE-SR_SFP%2B_transceiver.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7f/LR-Link_10GBASE-SR_SFP%2B_transceiver.jpg/660px-LR-Link_10GBASE-SR_SFP%2B_transceiver.jpg 2x" data-file-width="3000" data-file-height="1915" /></a><figcaption>A 10GBASE-SR <a href="/wiki/Small_form-factor_pluggable_transceiver" class="mw-redirect" title="Small form-factor pluggable transceiver">SFP+ transceiver</a></figcaption></figure> <p>10GBASE-SR ("short range") is a port type for <a href="/wiki/Multi-mode_fiber" class="mw-redirect" title="Multi-mode fiber">multi-mode fiber</a> and uses 850 nm lasers.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> Its <a href="/wiki/Physical_Coding_Sublayer" class="mw-redirect" title="Physical Coding Sublayer">Physical Coding Sublayer</a> (PCS) is 64b/66b and is defined in IEEE 802.3 Clause 49 and its <a href="/wiki/Physical_Medium_Dependent" class="mw-redirect" title="Physical Medium Dependent">Physical Medium Dependent</a> (PMD) sublayer in Clause 52. It delivers serialized data at a line rate of <span class="nowrap"><span data-sort-value="7001103125000000000♠"></span>10.3125 <a href="/w/index.php?title=Gbd&action=edit&redlink=1" class="new" title="Gbd (page does not exist)">Gbd</a></span>.<sup id="cite_ref-IEEE_802.3_52.1.1.1.2_30-0" class="reference"><a href="#cite_note-IEEE_802.3_52.1.1.1.2-30"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p><p>The range depends on the type of multi-mode fiber used.<sup id="cite_ref-ethernet_spec_25-1" class="reference"><a href="#cite_note-ethernet_spec-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable"> <tbody><tr> <th>Fibre type (micrometers)</th> <th>Range (m) </th></tr> <tr> <td>FDDI-grade (62.5)</td> <td>26 </td></tr> <tr> <td>OM1 (62.5)</td> <td>33 </td></tr> <tr> <td>OM2 (50)</td> <td>82 </td></tr> <tr> <td>OM3</td> <td>300 </td></tr> <tr> <td>OM4</td> <td>400 </td></tr></tbody></table> <p>MMF has the advantage over SMF of having lower cost connectors; its wider core requires less mechanical precision. </p><p>The 10GBASE-SR transmitter is implemented with a VCSEL which is low cost and low power. OM3 and OM4 optical cabling is sometimes described as <i>laser optimized</i> because they have been designed to work with VCSELs. 10GBASE-SR delivers the lowest cost, lowest power and smallest form factor optical modules. </p><p>There is a lower cost, lower power variant sometimes referred to as 10GBASE-SRL (10GBASE-SR lite). This is inter-operable with 10GBASE-SR but only has a reach of 100 meters.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-LR">10GBASE-LR</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=5" title="Edit section: 10GBASE-LR"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>10GBASE-LR (long reach) is a port type for single-mode fiber and uses 1310 nm lasers. Its 64b/66b PCS is defined in IEEE 802.3 Clause 49 and its PMD sublayer in Clause 52. It delivers serialized data at a line rate of 10.3125 GBd.<sup id="cite_ref-IEEE_802.3_52.1.1.1.2_30-1" class="reference"><a href="#cite_note-IEEE_802.3_52.1.1.1.2-30"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p><p>The 10GBASE-LR transmitter is implemented with a <a href="/wiki/Fabry%E2%80%93P%C3%A9rot" class="mw-redirect" title="Fabry–Pérot">Fabry–Pérot</a> or <a href="/wiki/Distributed_feedback_laser" class="mw-redirect" title="Distributed feedback laser">distributed feedback laser</a> (DFB). DFB lasers are more expensive than VCSELs but their high power and longer wavelength allow efficient coupling into the small core of single-mode fiber over greater distances.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="Supported without citation in Distributed feedback laser (August 2015)">citation needed</span></a></i>]</sup> </p><p>10GBASE-LR maximum fiber length is 10 kilometers, although this will vary depending on the type of single-mode fiber used. </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-LRM">10GBASE-LRM</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=6" title="Edit section: 10GBASE-LRM"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>10GBASE-LRM, (long reach multi-mode) originally specified in IEEE 802.3aq is a port type for multi-mode fiber and uses 1310 nm lasers. Its 64b/66b PCS is defined in IEEE 802.3 Clause 49 and its PMD sublayer in Clause 68. It delivers serialized data at a line rate of 10.3125 GBd.<sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> 10GBASE-LRM uses electronic dispersion compensation (EDC) for receive equalization.<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </p><p>10GBASE-LRM allows distances up to 220 metres (720 ft) on FDDI-grade multi-mode fiber and the same 220m maximum reach on OM1, OM2 and OM3 fiber types.<sup id="cite_ref-ethernet_spec_25-2" class="reference"><a href="#cite_note-ethernet_spec-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> 10GBASE-LRM reach is not quite as far as the older 10GBASE-LX4 standard. Some 10GBASE-LRM transceivers also allow distances up to 300 metres (980 ft) on standard single-mode fiber (SMF, G.652), however this is not part of the IEEE or MSA specification.<sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> To ensure that specifications are met over FDDI-grade, OM1 and OM2 fibers, the transmitter should be coupled through a mode conditioning patch cord. No mode conditioning patch cord is required for applications over OM3 or OM4.<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-ER">10GBASE-ER</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=7" title="Edit section: 10GBASE-ER"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>10GBASE-ER (extended reach) is a port type for single-mode fiber and uses 1550 nm lasers. Its 64b/66b PCS is defined in IEEE 802.3 Clause 49 and its PMD sublayer in Clause 52. It delivers serialized data at a line rate of 10.3125 GBd.<sup id="cite_ref-IEEE_802.3_52.1.1.1.2_30-2" class="reference"><a href="#cite_note-IEEE_802.3_52.1.1.1.2-30"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p><p>The 10GBASE-ER transmitter is implemented with an <a href="/wiki/Photonic_integrated_circuit" title="Photonic integrated circuit">externally modulated laser (EML)</a>. </p><p>10GBASE-ER has a reach of 40 kilometres (25 mi) over engineered links and 30 km over standard links.<sup id="cite_ref-ethernet_spec_25-3" class="reference"><a href="#cite_note-ethernet_spec-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Cisco-XENPAK_15-1" class="reference"><a href="#cite_note-Cisco-XENPAK-15"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-ZR">10GBASE-ZR</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=8" title="Edit section: 10GBASE-ZR"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Several manufacturers have introduced 80 km (50 mi) range under the name 10GBASE-ZR. This 80 km PHY is not specified within the IEEE 802.3ae standard and manufacturers have created their own specifications based upon the 80 km PHY described in the <a href="/wiki/OC-192" class="mw-redirect" title="OC-192">OC-192</a>/<a href="/wiki/STM-64" class="mw-redirect" title="STM-64">STM-64</a> <a href="/wiki/Synchronous_Digital_Hierarchy" class="mw-redirect" title="Synchronous Digital Hierarchy">SDH</a>/<a href="/wiki/SONET" class="mw-redirect" title="SONET">SONET</a> specifications.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-LX4">10GBASE-LX4</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=9" title="Edit section: 10GBASE-LX4"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>10GBASE-LX4 is a port type for multi-mode fiber and single-mode fiber. It uses four separate laser sources operating at 3.125 Gbit/s and <a href="/wiki/Coarse_wavelength-division_multiplexing" class="mw-redirect" title="Coarse wavelength-division multiplexing">Coarse wavelength-division multiplexing</a> with four unique wavelengths around 1310 nm. Its <a href="/wiki/8b/10b" class="mw-redirect" title="8b/10b">8b/10b</a> PCS is defined in IEEE 802.3 Clause 48 and its <a href="/wiki/Physical_Medium_Dependent" class="mw-redirect" title="Physical Medium Dependent">Physical Medium Dependent</a> (PMD) sublayer in Clause 53.<sup id="cite_ref-ethernet_spec_25-4" class="reference"><a href="#cite_note-ethernet_spec-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p><p>10GBASE-LX4 has a range of 10 kilometres (6.2 mi) over <a href="/wiki/Single-mode_fiber" class="mw-redirect" title="Single-mode fiber">SMF</a>. It can reach 300 metres (980 ft) over FDDI-grade, OM1, OM2 and OM3 multi-mode cabling.<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> In this case, it needs to be coupled through a SMF offset-launch <a href="/wiki/Mode-conditioning_patch_cord" class="mw-redirect" title="Mode-conditioning patch cord">mode-conditioning patch cord</a>.<sup id="cite_ref-ethernet_spec_25-5" class="reference"><a href="#cite_note-ethernet_spec-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: subclauses 53.6 and 38.11.4">: subclauses 53.6 and 38.11.4 </span></sup> </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-PR">10GBASE-PR</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=10" title="Edit section: 10GBASE-PR"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main articles: <a href="/wiki/10G-EPON" title="10G-EPON">10G-EPON</a> and <a href="/wiki/Ethernet_in_the_first_mile" title="Ethernet in the first mile">Ethernet in the first mile</a></div> <p>10GBASE-PR originally specified in IEEE <a href="/wiki/802.3av" class="mw-redirect" title="802.3av">802.3av</a> is a 10 Gigabit Ethernet PHY for <a href="/wiki/Passive_optical_network" title="Passive optical network">passive optical networks</a> and uses 1577 nm lasers in the downstream direction and 1270 nm lasers in the upstream direction. Its PMD sublayer is specified in Clause 75. Downstream delivers serialized data at a line rate of 10.3125 Gbit/s in a point to multi-point configuration.<sup id="cite_ref-ethernet_spec_25-6" class="reference"><a href="#cite_note-ethernet_spec-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p><p>10GBASE-PR has three power budgets specified as 10GBASE-PR10, 10GBASE-PR20 and 10GBASE-PR30.<sup id="cite_ref-ethernet_spec_25-7" class="reference"><a href="#cite_note-ethernet_spec-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 75.1.4">: 75.1.4 </span></sup> </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-BR">10GBASE-BR</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=11" title="Edit section: 10GBASE-BR"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Multiple vendors introduced single-strand, bi-directional 10 Gbit/s optics capable of a <a href="/wiki/Single-mode_fiber" class="mw-redirect" title="Single-mode fiber">single-mode fiber</a> connection functionally equivalent to 10GBASE-LR or -ER, but using a single strand of fiber optic cable. Analogous to <a href="/wiki/1000BASE-BX10" class="mw-redirect" title="1000BASE-BX10">1000BASE-BX10</a>, this is accomplished using a passive prism inside each optical transceiver and a matched pair of transceivers using two different wavelengths such as 1270 and 1330 nm. Modules are available in varying transmit powers and reach distances ranging from 10 to 80 km.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> </p><p>These advances were subsequently standardized in IEEE 802.3cp-2021 with reaches of 10, 20, or 40 km. </p> <div class="mw-heading mw-heading2"><h2 id="Copper">Copper</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=12" title="Edit section: Copper"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>10 Gigabit Ethernet can also run over twin-axial cabling, twisted pair cabling, and <a href="/wiki/Backplane" title="Backplane">backplanes</a>. </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-CX4">10GBASE-CX4</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=13" title="Edit section: 10GBASE-CX4"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:SFF_8470.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/SFF_8470.jpg/220px-SFF_8470.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/SFF_8470.jpg/330px-SFF_8470.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5b/SFF_8470.jpg/440px-SFF_8470.jpg 2x" data-file-width="1280" data-file-height="960" /></a><figcaption>SFF-8470 connector</figcaption></figure> <p><b>10GBASE-CX4</b> was the first 10 Gigabit copper standard published by 802.3 (as 802.3ak-2004). It uses the XAUI 4-lane PCS (Clause 48) and copper cabling similar to that used by <a href="/wiki/InfiniBand" title="InfiniBand">InfiniBand</a> technology with the same SFF-8470 connectors. It is specified to work up to a distance of 15 m (49 ft). Each lane carries 3.125 GBd of signaling bandwidth. </p><p>10GBASE-CX4 has been used for stacking switches.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> It offers the advantages of low power, low cost and low <a href="/wiki/Latency_(engineering)" title="Latency (engineering)">latency</a>, but has a bigger form factor and more bulky cables than the newer single-lane SFP+ standard, and a much shorter reach than fiber or 10GBASE-T. This cable is fairly rigid and considerably more costly than Category 5/6 UTP or fiber. </p><p>10GBASE-CX4 applications are now commonly achieved using SFP+ Direct Attach and as of 2011<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=10_Gigabit_Ethernet&action=edit">[update]</a></sup>, shipments of 10GBASE-CX4 have been very low.<sup id="cite_ref-another_serving_42-0" class="reference"><a href="#cite_note-another_serving-42"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="SFP+_direct_attach"><span id="SFP.2B_direct_attach"></span>SFP+ direct attach</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=14" title="Edit section: SFP+ direct attach"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Also known as direct attach (DA), direct attach copper (DAC), 10GSFP+Cu,<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup> sometimes also called 10GBASE-CR <sup id="cite_ref-arista_transceiver_cable_44-0" class="reference"><a href="#cite_note-arista_transceiver_cable-44"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> or 10GBASE-CX1, although there are no IEEE standards with either of the two latter names. Short direct attach cables use a passive <a href="/wiki/Twinaxial_cabling" title="Twinaxial cabling">twinaxial cabling</a> assembly while longer ones add some extra range using <a href="/wiki/Electronic_amplifier" class="mw-redirect" title="Electronic amplifier">electronic amplifiers</a>. These DAC types connect directly into an SFP+ housing. SFP+ direct attach has a fixed-length cable, up to 15 m for copper cables.<sup id="cite_ref-HP_X242_SFP+_DA_cables_45-0" class="reference"><a href="#cite_note-HP_X242_SFP+_DA_cables-45"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup> Like 10GBASE-CX4, DA is low-power, low-cost and low-latency with the added advantages of using less bulky cables and of having the small SFP+ form factor. SFP+ direct attach today is tremendously popular, with more ports installed than 10GBASE-SR.<sup id="cite_ref-another_serving_42-1" class="reference"><a href="#cite_note-another_serving-42"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Backplane">Backplane</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=15" title="Edit section: Backplane"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b>Backplane Ethernet</b>, also known by the name of the task force that developed it, <b>802.3ap</b>, is used in <a href="/wiki/Backplane" title="Backplane">backplane</a> applications such as <a href="/wiki/Blade_servers" class="mw-redirect" title="Blade servers">blade servers</a> and <a href="/wiki/Modularity#Modularity_in_technology_and_management" title="Modularity">modular</a> network equipment with upgradable <a href="/wiki/Line_card" title="Line card">line cards</a>. 802.3ap implementations are required to operate over up to 1 metre (39 in) of copper printed circuit board with two connectors. The standard defines two port types for 10 Gbit/s (<b>10GBASE-KX4</b> and <b>10GBASE-KR</b>) and a single 1 Gbit/s port type (1000BASE-KX). It also defines an optional layer for <a href="/wiki/Forward_error_correction" class="mw-redirect" title="Forward error correction">forward error correction</a>, a backplane autonegotiation protocol and link training for 10GBASE-KR where the receiver tunes a three-tap transmit equalizer. The autonegotiation protocol selects between 1000BASE-KX, 10GBASE-KX4, 10GBASE-KR or 40GBASE-KR4 operation.<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>c<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="10GBASE-KX4">10GBASE-KX4</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=16" title="Edit section: 10GBASE-KX4"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>This operates over four backplane lanes and uses the same physical layer coding (defined in IEEE 802.3 Clause 48) as 10GBASE-CX4. </p> <div class="mw-heading mw-heading4"><h4 id="10GBASE-KR">10GBASE-KR</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=17" title="Edit section: 10GBASE-KR"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>This operates over a single backplane lane and uses the same physical layer coding (defined in IEEE 802.3 Clause 49) as 10GBASE-LR/ER/SR. New backplane designs use 10GBASE-KR rather than 10GBASE-KX4.<sup id="cite_ref-another_serving_42-2" class="reference"><a href="#cite_note-another_serving-42"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-T">10GBASE-T</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=18" title="Edit section: 10GBASE-T"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Intel_X540-T2.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Intel_X540-T2.jpg/220px-Intel_X540-T2.jpg" decoding="async" width="220" height="137" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Intel_X540-T2.jpg/330px-Intel_X540-T2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Intel_X540-T2.jpg/440px-Intel_X540-T2.jpg 2x" data-file-width="3000" data-file-height="1866" /></a><figcaption><a href="/wiki/Intel" title="Intel">Intel</a> X540-T2 10GBASE-T dual port <a href="/wiki/Network_interface_controller" title="Network interface controller">NIC</a></figcaption></figure> <p><b>10GBASE-T</b>, or <b>IEEE 802.3an-2006</b>, is a standard released in 2006 to provide 10 Gbit/s connections over unshielded or shielded twisted pair cables, over distances up to 100 metres (330 ft).<sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup> Category 6A is required to reach the full distance and category 5e or 6 may reach up to 55 metres (180 ft) depending on the quality of installation.<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup> 10GBASE-T cable infrastructure can also be used for 1000BASE-T allowing a gradual upgrade from 1000BASE-T using <a href="/wiki/Autonegotiation" title="Autonegotiation">autonegotiation</a> to select which speed is used. Due to additional <a href="/wiki/Line_coding" class="mw-redirect" title="Line coding">line coding</a> overhead, 10GBASE-T has a slightly higher latency (2 to 4 microseconds) in comparison to most other 10GBASE variants (1 microsecond or less). In comparison, 1000BASE-T latency is 1 to 12 microseconds (depending on packet size<sup id="cite_ref-50" class="reference"><a href="#cite_note-50"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup>).<sup id="cite_ref-51" class="reference"><a href="#cite_note-51"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-52" class="reference"><a href="#cite_note-52"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup> </p><p>10GBASE-T uses the IEC 60603-7 <a href="/wiki/8P8C" class="mw-redirect" title="8P8C">8P8C</a> modular connectors already widely used with Ethernet. Transmission characteristics are now specified to <span class="nowrap">500 MHz</span>. To reach this frequency <a href="/wiki/Category_6A" class="mw-redirect" title="Category 6A">Category 6A</a> or better balanced twisted pair cables specified in <a href="/wiki/ISO/IEC_11801" title="ISO/IEC 11801">ISO/IEC 11801</a> amendment 2 or ANSI/TIA-568-C.2 are needed to carry 10GBASE-T up to distances of 100 m. <a href="/wiki/Category_6_cable" title="Category 6 cable">Category 6 cables</a> can carry 10GBASE-T for shorter distances when qualified according to the guidelines in ISO TR 24750 or TIA-155-A. </p><p>The 802.3an standard specifies the wire-level modulation for 10GBASE-T to use <a href="/wiki/Tomlinson-Harashima_precoding" class="mw-redirect" title="Tomlinson-Harashima precoding">Tomlinson-Harashima precoding</a> (THP) and <a href="/wiki/Pulse-amplitude_modulation" title="Pulse-amplitude modulation">pulse-amplitude modulation</a> with 16 discrete levels (PAM-16), encoded in a two-dimensional checkerboard pattern known as DSQ128 sent on the line at 800 Msymbols/sec.<sup id="cite_ref-53" class="reference"><a href="#cite_note-53"><span class="cite-bracket">[</span>49<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Ungerboeck10GBaseT_54-0" class="reference"><a href="#cite_note-Ungerboeck10GBaseT-54"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> Prior to precoding, <a href="/wiki/Forward_error_correction" class="mw-redirect" title="Forward error correction">forward error correction</a> (FEC) coding is performed using a [2048,1723]<sub>2</sub> <a href="/wiki/Low-density_parity-check_code" title="Low-density parity-check code">low-density parity-check code</a> on 1723 bits, with the parity check matrix construction based on a generalized <a href="/wiki/Reed%E2%80%93Solomon" class="mw-redirect" title="Reed–Solomon">Reed–Solomon</a> [32,2,31] code over <a href="/wiki/Galois_field" class="mw-redirect" title="Galois field">GF</a>(2<sup>6</sup>).<sup id="cite_ref-Ungerboeck10GBaseT_54-1" class="reference"><a href="#cite_note-Ungerboeck10GBaseT-54"><span class="cite-bracket">[</span>50<span class="cite-bracket">]</span></a></sup> Another 1536 bits are uncoded. Within each 1723+1536 block, there are 1+50+8+1 signaling and error detection bits and 3200 data bits (and occupy 320 ns on the line). In contrast, PAM-5 is the modulation technique used in 1000BASE-T <a href="/wiki/Gigabit_Ethernet" title="Gigabit Ethernet">Gigabit Ethernet</a>. </p> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:10GBase-T_SFP%2B_Transceiver.jpg" class="mw-file-description"><img alt="10GBASE-T SFP+ Transceiver" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/10GBase-T_SFP%2B_Transceiver.jpg/220px-10GBase-T_SFP%2B_Transceiver.jpg" decoding="async" width="220" height="192" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/10GBase-T_SFP%2B_Transceiver.jpg/330px-10GBase-T_SFP%2B_Transceiver.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3a/10GBase-T_SFP%2B_Transceiver.jpg/440px-10GBase-T_SFP%2B_Transceiver.jpg 2x" data-file-width="550" data-file-height="481" /></a><figcaption>10GBASE-T SFP+ transceiver</figcaption></figure> <p>The line encoding used by 10GBASE-T is the basis for the newer and slower <a href="/wiki/2.5GBASE-T_and_5GBASE-T" title="2.5GBASE-T and 5GBASE-T">2.5GBASE-T and 5GBASE-T</a> standard, implementing a 2.5 or 5.0 Gbit/s connection over existing category 5e or 6 cabling.<sup id="cite_ref-55" class="reference"><a href="#cite_note-55"><span class="cite-bracket">[</span>51<span class="cite-bracket">]</span></a></sup> Cables that will not function reliably with 10GBASE-T may successfully operate with 2.5GBASE-T or 5GBASE-T if supported by both ends. </p> <div class="mw-heading mw-heading3"><h3 id="10GBASE-T1">10GBASE-T1</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=19" title="Edit section: 10GBASE-T1"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b>10GBASE-T1</b> is for automotive applications and operates over a single balanced pair of conductors up to 15 m long, and is standardized in 802.3ch-2020.<sup id="cite_ref-56" class="reference"><a href="#cite_note-56"><span class="cite-bracket">[</span>52<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="WAN_PHY_(10GBASE-W)"><span id="WAN_PHY_.2810GBASE-W.29"></span>WAN PHY (10GBASE-W)</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=20" title="Edit section: WAN PHY (10GBASE-W)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>At the time that the 10 Gigabit Ethernet standard was developed, interest in 10GbE as a <a href="/wiki/Wide_area_network" title="Wide area network">wide area network</a> (WAN) transport led to the introduction of a WAN PHY for 10GbE. The WAN PHY was designed to interoperate with OC-192/STM-64 <a href="/wiki/SDH/SONET" class="mw-redirect" title="SDH/SONET">SDH/SONET</a> equipment using a light-weight SDH/SONET frame running at 9.953 Gbit/s. The WAN PHY operates at a slightly slower data-rate than the <a href="/wiki/Local_area_network" title="Local area network">local area network</a> (LAN) PHY. The WAN PHY can drive maximum link distances up to 80 km depending on the fiber standard employed. </p><p>The WAN PHY uses the same 10GBASE-S, 10GBASE-L and 10GBASE-E optical PMDs as the LAN PHYs and is designated as 10GBASE-SW, 10GBASE-LW or 10GBASE-EW. Its 64b/66b PCS is defined in IEEE 802.3 clause 49 and its PMD sublayers in clause 52. It also uses a WAN interface sublayer (WIS) defined in clause 50 which adds extra encapsulation to format the frame data to be compatible with SONET STS-192c.<sup id="cite_ref-ethernet_spec_25-8" class="reference"><a href="#cite_note-ethernet_spec-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=21" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><a href="/wiki/Category_6_cable" title="Category 6 cable">Category 6 cable</a> supports runs up to 55 meters. <a href="/wiki/Category_6A" class="mw-redirect" title="Category 6A">Category 6A</a> or higher is good for lengths up to 100 meters.</span> </li> <li id="cite_note-38"><span class="mw-cite-backlink"><b><a href="#cite_ref-38">^</a></b></span> <span class="reference-text">All these fiber types are specified to have a minimum modal bandwidth of <span class="nowrap">500 MHz × km</span> at 1300 nm.</span> </li> <li id="cite_note-47"><span class="mw-cite-backlink"><b><a href="#cite_ref-47">^</a></b></span> <span class="reference-text">40GBASE-KR4 is defined in 802.3ba.<sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup></span> </li> <li id="cite_note-50"><span class="mw-cite-backlink"><b><a href="#cite_ref-50">^</a></b></span> <span class="reference-text">A maximum Gigabit Ethernet packet requires 12.2 μs for transfer (1526 × 8 ÷ 10<sup>9</sup>) for store-and-forward, this adds to hardware latency.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=22" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1184024115">.mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><div class="div-col" style="column-width: 20em;"> <ul><li><a href="/wiki/10G" title="10G">10G</a></li> <li><a href="/wiki/GG45" title="GG45">GG45</a></li> <li><a href="/wiki/List_of_interface_bit_rates" title="List of interface bit rates">List of interface bit rates</a></li> <li><a href="/wiki/Optical_communication" title="Optical communication">Optical communication</a></li> <li><a href="/wiki/Optical_fiber_cable" class="mw-redirect" title="Optical fiber cable">Optical fiber cable</a></li> <li><a href="/wiki/Parallel_optical_interface" title="Parallel optical interface">Parallel optical interface</a></li> <li><a href="/wiki/TERA" title="TERA">TERA</a></li> <li><a href="/wiki/XAUI" title="XAUI">XAUI</a></li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=23" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-Palmer-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-Palmer_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFMichael_Palmer2012" class="citation book cs1">Michael Palmer (21 June 2012). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=-QELAAAAQBAJ&pg=PA180"><i>Hands-On Networking Fundamentals, 2nd ed</i></a>. 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Archived from <a rel="nofollow" class="external text" href="http://communities.intel.com/community/openportit/server/blog/2011/05/12/overheard-at-interop-a-few-questions-about-ethernet">the original</a> on 25 May 2011<span class="reference-accessdate">. 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Archived from <a rel="nofollow" class="external text" href="http://lw.pennnet.com/display_article/317903/13/ARTCL/none/OTRAT/1/The-road-to-SFP+:-Examining-module-and-system-architectures/">the original</a> on 16 May 2008.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=The+road+to+SFP%2B%3A+Examining+module+and+system+architectures&rft.au=Ryan+Latchman&rft.au=Bharat+Tailor&rft_id=http%3A%2F%2Flw.pennnet.com%2Fdisplay_article%2F317903%2F13%2FARTCL%2Fnone%2FOTRAT%2F1%2FThe-road-to-SFP%2B%3A-Examining-module-and-system-architectures%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.lightcounting.com/lighttrends/1004/">"LightCounting's LightTrends April 2010"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">3 May</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=LightCounting%27s+LightTrends+April+2010&rft_id=http%3A%2F%2Fwww.lightcounting.com%2Flighttrends%2F1004%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged November 2018">permanent dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup></span> </li> <li id="cite_note-TDG_ETH_2nd-19"><span class="mw-cite-backlink">^ <a href="#cite_ref-TDG_ETH_2nd_19-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-TDG_ETH_2nd_19-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCharles_E._Spurgeon2014" class="citation book cs1">Charles E. 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MC Communications. 14 November 2007<span class="reference-accessdate">. Retrieved <span class="nowrap">25 August</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Network+Topologies+and+Distances&rft.pub=MC+Communications&rft.date=2007-11-14&rft_id=http%3A%2F%2Fwww.ieee802.org%2F3%2Fhssg%2Fpublic%2Fnov07%2Fdiminico_01_1107.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20080614015352/http://www.10gea.org/optical-fiber-10ge.htm">"Optical Fiber and 10 gigabit Ethernet white paper by the 10GEA"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.10gea.org/optical-fiber-10ge.htm">the original</a> on 14 June 2008.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Optical+Fiber+and+10+gigabit+Ethernet+white+paper+by+the+10GEA&rft_id=http%3A%2F%2Fwww.10gea.org%2Foptical-fiber-10ge.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20140730144831/http://www.corning.com/docs/opticalfiber/cn0603.pdf">"Why choose Multimode fiber? by Corning"</a> <span class="cs1-format">(PDF)</span>. Archived from <a rel="nofollow" class="external text" href="http://www.corning.com/docs/opticalfiber/cn0603.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 30 July 2014.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Why+choose+Multimode+fiber%3F+by+Corning&rft_id=http%3A%2F%2Fwww.corning.com%2Fdocs%2Fopticalfiber%2Fcn0603.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-ethernet_spec-25"><span class="mw-cite-backlink">^ <a href="#cite_ref-ethernet_spec_25-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ethernet_spec_25-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ethernet_spec_25-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-ethernet_spec_25-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-ethernet_spec_25-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-ethernet_spec_25-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-ethernet_spec_25-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-ethernet_spec_25-7"><sup><i><b>h</b></i></sup></a> <a href="#cite_ref-ethernet_spec_25-8"><sup><i><b>i</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://archive.today/20121205103819/http://standards.ieee.org/about/get/802/802.3.html">"IEEE 802.3 standard"</a>. 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Archived from <a rel="nofollow" class="external text" href="http://bicsi.org/Events/Conferences/Spring/2005/GeorgePRES.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 10 September 2008<span class="reference-accessdate">. Retrieved <span class="nowrap">10 March</span> 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=10+Gigabit+Ethernet+over+Multimode+Fiber+by+John+George&rft_id=http%3A%2F%2Fbicsi.org%2FEvents%2FConferences%2FSpring%2F2005%2FGeorgePRES.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text">IEEE 802.3 <i>52.5 PMD to MDI optical specifications for 10GBASE-S</i></span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20111030010446/http://www.velocityreviews.com/forums/t33419-how-to-tell-mmf-or-smf.html">"How to tell? MMF or SMF"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.velocityreviews.com/forums/t33419-how-to-tell-mmf-or-smf.html">the original</a> on 30 October 2011<span class="reference-accessdate">. Retrieved <span class="nowrap">6 September</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=How+to+tell%3F+MMF+or+SMF&rft_id=http%3A%2F%2Fwww.velocityreviews.com%2Fforums%2Ft33419-how-to-tell-mmf-or-smf.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span><sup class="noprint Inline-Template" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Reliable_sources" title="Wikipedia:Reliable sources"><span title="The material near this tag may rely on an unreliable source. (February 2019)">unreliable source?</span></a></i>]</sup></span> </li> <li id="cite_note-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-29">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHeld2016" class="citation book cs1">Held, Gilbert (19 April 2016). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=gDzSBQAAQBAJ&pg=PA60"><i>Windows Networking Tools: The Complete Guide to Management, Troubleshooting, and Security</i></a>. 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Retrieved <span class="nowrap">3 May</span> 2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Description+of+Cisco+10G+optical+modules&rft_id=http%3A%2F%2Fwww.cisco.com%2Fen%2FUS%2Fprod%2Fcollateral%2Fmodules%2Fps5455%2Fps6574%2Fproduct_data_sheet0900aecd801f92aa.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-32"><span class="mw-cite-backlink"><b><a href="#cite_ref-32">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="https://www.arista.com/assets/data/pdf/Datasheets/Transceiver-Data-Sheet.pdf"><i>Optics Modules and Cables</i></a> <span class="cs1-format">(PDF)</span><span class="reference-accessdate">, retrieved <span class="nowrap">28 June</span> 2019</span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Optics+Modules+and+Cables&rft_id=https%3A%2F%2Fwww.arista.com%2Fassets%2Fdata%2Fpdf%2FDatasheets%2FTransceiver-Data-Sheet.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-33"><span class="mw-cite-backlink"><b><a href="#cite_ref-33">^</a></b></span> <span class="reference-text">IEEE 802.3 <i>Table 68–3—10GBASE-LRM transmit characteristics</i></span> </li> <li id="cite_note-34"><span class="mw-cite-backlink"><b><a href="#cite_ref-34">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://archive.today/20090721023603/http://lw.pennnet.com/display_article/249488/13/ARTCL/none/none/1/10GBase-LX4-vs-10GBase-LRM:-A-debate/">"10GBase-LX4 vs 10GBase-LRM: A debate"</a>. Archived from <a rel="nofollow" class="external text" href="http://lw.pennnet.com/display_article/249488/13/ARTCL/none/none/1/10GBase-LX4-vs-10GBase-LRM:-A-debate/">the original</a> on 21 July 2009<span class="reference-accessdate">. Retrieved <span class="nowrap">16 July</span> 2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=10GBase-LX4+vs+10GBase-LRM%3A+A+debate&rft_id=http%3A%2F%2Flw.pennnet.com%2Fdisplay_article%2F249488%2F13%2FARTCL%2Fnone%2Fnone%2F1%2F10GBase-LX4-vs-10GBase-LRM%3A-A-debate%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-35"><span class="mw-cite-backlink"><b><a href="#cite_ref-35">^</a></b></span> <span class="reference-text">IEEE 802.3 <i>68.5 PMD to MDI optical specifications</i></span> </li> <li id="cite_note-36"><span class="mw-cite-backlink"><b><a href="#cite_ref-36">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.cisco.com/en/US/prod/collateral/modules/ps5455/data_sheet_c78-455693.html">"Cisco 10GBASE SFP+ Modules Data Sheet"</a>. <a href="/wiki/Cisco_Systems" class="mw-redirect" title="Cisco Systems">Cisco Systems</a>. 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Retrieved <span class="nowrap">12 May</span> 2012</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Cisco+10GBASE+SFP%2B+Modules+Data+Sheet&rft.pub=Cisco+Systems&rft.date=2012-02&rft_id=http%3A%2F%2Fwww.cisco.com%2Fen%2FUS%2Fprod%2Fcollateral%2Fmodules%2Fps5455%2Fdata_sheet_c78-455693.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-37"><span class="mw-cite-backlink"><b><a href="#cite_ref-37">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/data_sheet_c78-455693.html">"Cisco Transceiver Modules - Cisco 10GBASE SFP+ Modules Data Sheet"</a>. <i>Cisco</i><span class="reference-accessdate">. Retrieved <span class="nowrap">6 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Cisco&rft.atitle=Cisco+Transceiver+Modules+-+Cisco+10GBASE+SFP%2B+Modules+Data+Sheet&rft_id=https%3A%2F%2Fwww.cisco.com%2Fc%2Fen%2Fus%2Fproducts%2Fcollateral%2Finterfaces-modules%2Ftransceiver-modules%2Fdata_sheet_c78-455693.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-39"><span class="mw-cite-backlink"><b><a href="#cite_ref-39">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/data_sheet_c78-455693.pdf">"Cisco 10GBASE SFP+ Modules"</a> <span class="cs1-format">(PDF)</span>. <a href="/wiki/Cisco_Systems" class="mw-redirect" title="Cisco Systems">Cisco Systems</a>. p. 6<span class="reference-accessdate">. Retrieved <span class="nowrap">28 September</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Cisco+10GBASE+SFP%2B+Modules&rft.pages=6&rft.pub=Cisco+Systems&rft_id=http%3A%2F%2Fwww.cisco.com%2Fc%2Fen%2Fus%2Fproducts%2Fcollateral%2Finterfaces-modules%2Ftransceiver-modules%2Fdata_sheet_c78-455693.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-40"><span class="mw-cite-backlink"><b><a href="#cite_ref-40">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20170107062513/https://www.finisar.com/optical-transceivers/ftlx2071d3xx">"10Gb/s Bidirectional 10km Gen2 SFP+ Optical Transceiver"</a>. Archived from <a rel="nofollow" class="external text" href="https://www.finisar.com/optical-transceivers/ftlx2071d3xx">the original</a> on 7 January 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">28 September</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=10Gb%2Fs+Bidirectional+10km+Gen2+SFP%2B+Optical+Transceiver&rft_id=https%3A%2F%2Fwww.finisar.com%2Foptical-transceivers%2Fftlx2071d3xx&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-41"><span class="mw-cite-backlink"><b><a href="#cite_ref-41">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDove2004" class="citation magazine cs1">Dove, Dan (24 May 2004). <a rel="nofollow" class="external text" href="https://www.networkworld.com/article/884088/10gbase-cx4-lowers-10g-ethernet-cost.html">"10GBase-CX4 lowers 10G Ethernet cost"</a>. <i>Network World</i><span class="reference-accessdate">. Retrieved <span class="nowrap">19 December</span> 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Network+World&rft.atitle=10GBase-CX4+lowers+10G+Ethernet+cost&rft.date=2004-05-24&rft.aulast=Dove&rft.aufirst=Dan&rft_id=https%3A%2F%2Fwww.networkworld.com%2Farticle%2F884088%2F10gbase-cx4-lowers-10g-ethernet-cost.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-another_serving-42"><span class="mw-cite-backlink">^ <a href="#cite_ref-another_serving_42-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-another_serving_42-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-another_serving_42-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110822010922/http://communities.intel.com/community/openportit/server/blog/2011/06/20/10-gigabit-ethernet-update-another-serving-of-alphabet-soup">"Another Serving of Alphabet Soup — by Intel"</a>. 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Retrieved <span class="nowrap">4 September</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Another+Serving+of+Alphabet+Soup+%E2%80%94+by+Intel&rft_id=http%3A%2F%2Fcommunities.intel.com%2Fcommunity%2Fopenportit%2Fserver%2Fblog%2F2011%2F06%2F20%2F10-gigabit-ethernet-update-another-serving-of-alphabet-soup&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-43"><span class="mw-cite-backlink"><b><a href="#cite_ref-43">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAli_Ghiasi2013" class="citation cs2">Ali Ghiasi, ed. (2013), <a rel="nofollow" class="external text" href="https://e2e.ti.com/cfs-file/__key/communityserver-discussions-components-files/138/SFF_2D00_8431.pdf#page=117"><i>SFF 8431. 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Archived from <a rel="nofollow" class="external text" href="http://standards.ieee.org/cgi-bin/status?802.3an">the original</a> on 5 September 2007<span class="reference-accessdate">. Retrieved <span class="nowrap">14 August</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=IEEE+Standards+Status+Report+for+802.3an&rft_id=http%3A%2F%2Fstandards.ieee.org%2Fcgi-bin%2Fstatus%3F802.3an&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-49"><span class="mw-cite-backlink"><b><a href="#cite_ref-49">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.andovercg.com/datasheets/arista-7100T_Datasheet.pdf">"7100T Datasheet"</a> <span class="cs1-format">(PDF)</span>. <a href="/wiki/Arista_Networks" title="Arista Networks">Arista Networks</a>. <q>The Arista 7100T switches support 10GBASE-T over Category 6a cabling up to 100m, but also support Category 5e (Performance of 10GBASE-T over Cat-5e cabling is not specified in the standard and thus cannot be guaranteed. Field testing is recommended before deployment to establish the feasibility of using existing Cat-5e cabling.) and Category 6 cabling with distances up to 55m.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=7100T+Datasheet&rft.pub=Arista+Networks&rft_id=https%3A%2F%2Fwww.andovercg.com%2Fdatasheets%2Farista-7100T_Datasheet.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-51"><span class="mw-cite-backlink"><b><a href="#cite_ref-51">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="http://download.intel.com/support/network/sb/intel_ethernet_10gbaset.pdf"><i>10GBASE-T for Broad 10 Gigabit Adoption in the Data Center</i></a> <span class="cs1-format">(PDF)</span>, <a href="/wiki/Intel" title="Intel">Intel</a><span class="reference-accessdate">, retrieved <span class="nowrap">21 December</span> 2011</span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=10GBASE-T+for+Broad+10+Gigabit+Adoption+in+the+Data+Center&rft.pub=Intel&rft_id=http%3A%2F%2Fdownload.intel.com%2Fsupport%2Fnetwork%2Fsb%2Fintel_ethernet_10gbaset.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-52"><span class="mw-cite-backlink"><b><a href="#cite_ref-52">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation cs2"><a rel="nofollow" class="external text" href="http://www.plxtech.com/files/pdf/support/10gbaset/whitepapers/10GBase-T_1000Base-T_Switches.pdf"><i>SWITCHES SWITCH FROM 1000BASE-T TO 10GBASE-T NOW</i></a> <span class="cs1-format">(PDF)</span>, Teranetics, October 2009<span class="reference-accessdate">, retrieved <span class="nowrap">21 December</span> 2011</span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=SWITCHES+SWITCH+FROM+1000BASE-T+TO+10GBASE-T+NOW&rft.pub=Teranetics&rft.date=2009-10&rft_id=http%3A%2F%2Fwww.plxtech.com%2Ffiles%2Fpdf%2Fsupport%2F10gbaset%2Fwhitepapers%2F10GBase-T_1000Base-T_Switches.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-53"><span class="mw-cite-backlink"><b><a href="#cite_ref-53">^</a></b></span> <span class="reference-text">IEEE 802.3-2012 <i>55.1.3 Operation of 10GBASE-T</i></span> </li> <li id="cite_note-Ungerboeck10GBaseT-54"><span class="mw-cite-backlink">^ <a href="#cite_ref-Ungerboeck10GBaseT_54-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Ungerboeck10GBaseT_54-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUngerboeck2006" class="citation web cs1">Ungerboeck, Gottfried (22 September 2006). <a rel="nofollow" class="external text" href="http://users.ecs.soton.ac.uk/sqc/EL336/10GBASE-T.pdf">"10GBASE-T: 10Gbit/s Ethernet over copper"</a> <span class="cs1-format">(PDF)</span>. Vienna: Broadcom<span class="reference-accessdate">. Retrieved <span class="nowrap">7 August</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=10GBASE-T%3A+10Gbit%2Fs+Ethernet+over+copper&rft.place=Vienna&rft.pub=Broadcom&rft.date=2006-09-22&rft.aulast=Ungerboeck&rft.aufirst=Gottfried&rft_id=http%3A%2F%2Fusers.ecs.soton.ac.uk%2Fsqc%2FEL336%2F10GBASE-T.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-55"><span class="mw-cite-backlink"><b><a href="#cite_ref-55">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.ieee802.org/3/bz/ngeabt_objectives_802.3WG_approved_0315.pdf">"IEEE 802.3 NGEABT Objectives approved by IEEE 802.3, March 12, 2015"</a> <span class="cs1-format">(PDF)</span><span class="reference-accessdate">. Retrieved <span class="nowrap">6 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=IEEE+802.3+NGEABT+Objectives+approved+by+IEEE+802.3%2C+March+12%2C+2015&rft_id=http%3A%2F%2Fwww.ieee802.org%2F3%2Fbz%2Fngeabt_objectives_802.3WG_approved_0315.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> <li id="cite_note-56"><span class="mw-cite-backlink"><b><a href="#cite_ref-56">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMaguire2020" class="citation web cs1">Maguire, Valerie (4 June 2020). <a rel="nofollow" class="external text" href="https://blog.siemon.com/standards/ieee-p802-3ch-multi-gig-automotive-ethernet-phy">"IEEE Std 802.3ch-2020: Multi-Gig Automotive Ethernet PHY"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=IEEE+Std+802.3ch-2020%3A+Multi-Gig+Automotive+Ethernet+PHY&rft.date=2020-06-04&rft.aulast=Maguire&rft.aufirst=Valerie&rft_id=https%3A%2F%2Fblog.siemon.com%2Fstandards%2Fieee-p802-3ch-multi-gig-automotive-ethernet-phy&rfr_id=info%3Asid%2Fen.wikipedia.org%3A10+Gigabit+Ethernet" class="Z3988"></span></span> </li> </ol></div></div> <style data-mw-deduplicate="TemplateStyles:r1239549316">.mw-parser-output .refbegin{margin-bottom:0.5em}.mw-parser-output .refbegin-hanging-indents>ul{margin-left:0}.mw-parser-output .refbegin-hanging-indents>ul>li{margin-left:0;padding-left:3.2em;text-indent:-3.2em}.mw-parser-output .refbegin-hanging-indents ul,.mw-parser-output .refbegin-hanging-indents ul li{list-style:none}@media(max-width:720px){.mw-parser-output .refbegin-hanging-indents>ul>li{padding-left:1.6em;text-indent:-1.6em}}.mw-parser-output .refbegin-columns{margin-top:0.3em}.mw-parser-output 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href="/w/index.php?title=10_Gigabit_Ethernet&action=edit&section=24" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.ethernetalliance.org">Ethernet Alliance website</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20141219175107/http://www.ampnetconnect.es/web/MEA/Home/Current/News/News_Detail/?news_id=8160">World's First Independent 10GBASE-T Comparative Test Study</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline 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template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Ethernet" title="Template talk:Ethernet"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Ethernet" title="Special:EditPage/Template:Ethernet"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Ethernet_family_of_local_area_network_technologies" style="font-size:114%;margin:0 4em"><a href="/wiki/Ethernet" title="Ethernet">Ethernet</a> family of <a href="/wiki/Local_area_network" title="Local area network">local area network</a> technologies</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Speeds</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Classic_Ethernet" title="Classic Ethernet">10 Mbit/s</a></li> <li><a href="/wiki/Fast_Ethernet" title="Fast Ethernet">100 Mbit/s</a></li> <li><a href="/wiki/Gigabit_Ethernet" title="Gigabit Ethernet">1 Gbit/s</a></li> <li><a href="/wiki/2.5GBASE-T_and_5GBASE-T" title="2.5GBASE-T and 5GBASE-T">2.5 and 5 Gbit/s</a></li> <li><a class="mw-selflink selflink">10 Gbit/s</a></li> <li><a href="/wiki/25_Gigabit_Ethernet" title="25 Gigabit Ethernet">25 and 50 Gbit/s</a></li> <li><a href="/wiki/100_Gigabit_Ethernet" title="100 Gigabit Ethernet">40 and 100 Gbit/s</a></li> <li><a href="/wiki/Terabit_Ethernet" title="Terabit Ethernet">200, 400, 800 and 1600 Gbit/s</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">General</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ethernet_physical_layer" title="Ethernet physical layer">Physical layer</a></li> <li><a href="/wiki/Autonegotiation" title="Autonegotiation">Autonegotiation</a></li> <li><a href="/wiki/EtherType" title="EtherType">EtherType</a></li> <li><a href="/wiki/Ethernet_flow_control" title="Ethernet flow control">Flow control</a></li> <li><a href="/wiki/Ethernet_frame" title="Ethernet frame">Frames</a></li> <li><a href="/wiki/Jumbo_frame" title="Jumbo frame">Jumbos</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Organizations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IEEE_802.3" title="IEEE 802.3">IEEE 802.3</a></li> <li><a href="/wiki/Ethernet_Alliance" title="Ethernet Alliance">Ethernet Alliance</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Media</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ethernet_over_fiber" title="Ethernet over fiber">Fiber</a></li> <li><a href="/wiki/Ethernet_over_twisted_pair" title="Ethernet over twisted pair">Twisted pair</a></li> <li><a href="/wiki/Ethernet_over_coax" title="Ethernet over coax">Coaxial</a></li> <li><a href="/wiki/Ethernet_in_the_first_mile" title="Ethernet in the first mile">First mile</a> <ul><li><a href="/wiki/10G-EPON" title="10G-EPON">10G-EPON</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Historic</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Carrier-sense_multiple_access_with_collision_detection" title="Carrier-sense multiple access with collision detection">CSMA/CD</a></li> <li><a href="/wiki/StarLAN" title="StarLAN">StarLAN</a></li> <li><a href="/wiki/10BROAD36" title="10BROAD36">10BROAD36</a></li> <li><a href="/wiki/10BASE-FB" class="mw-redirect" title="10BASE-FB">10BASE-FB</a></li> <li><a href="/wiki/10BASE-FL" class="mw-redirect" title="10BASE-FL">10BASE-FL</a></li> <li><a href="/wiki/10BASE5" title="10BASE5">10BASE5</a></li> <li><a href="/wiki/10BASE2" title="10BASE2">10BASE2</a></li> <li><a href="/wiki/Medium_Attachment_Unit" title="Medium Attachment Unit">MAU</a></li> <li><a href="/wiki/Fiber-optic_inter-repeater_link" class="mw-redirect" title="Fiber-optic inter-repeater link">FOIRL</a></li> <li><a href="/wiki/100BaseVG" title="100BaseVG">100BaseVG</a></li> <li><a href="/wiki/LattisNet" title="LattisNet">LattisNet</a></li> <li><a href="/wiki/Long_Reach_Ethernet" title="Long Reach Ethernet">Long Reach</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Applications</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Audio_over_Ethernet" title="Audio over Ethernet">Audio</a></li> <li><a href="/wiki/Automotive_Ethernet" class="mw-redirect" title="Automotive Ethernet">Automotive</a></li> <li><a href="/wiki/Carrier_Ethernet" title="Carrier Ethernet">Carrier</a></li> <li><a href="/wiki/Data_center_bridging" title="Data center bridging">Data center</a></li> <li><a href="/wiki/Energy-Efficient_Ethernet" title="Energy-Efficient Ethernet">Energy Efficiency</a></li> <li><a href="/wiki/Industrial_Ethernet" title="Industrial Ethernet">Industrial</a></li> <li><a href="/wiki/Metro_Ethernet" title="Metro Ethernet">Metro</a></li> <li><a href="/wiki/Power_over_Ethernet" title="Power over Ethernet">Power</a></li> <li><a href="/wiki/Synchronous_Ethernet" title="Synchronous Ethernet">Synchronous</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Transceiver" title="Transceiver">Transceivers</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Gigabit_interface_converter" title="Gigabit interface converter">GBIC</a></li> <li><a href="/wiki/Small_Form-factor_Pluggable" title="Small Form-factor Pluggable">SFP/SFP+/QSFP/QSFP+/OSFP</a></li> <li><a href="/wiki/XENPAK" title="XENPAK">XENPAK</a>/<a href="/wiki/X2_transceiver" title="X2 transceiver">X2</a></li> <li><a href="/wiki/XFP_transceiver" title="XFP transceiver">XFP</a></li> <li><a href="/wiki/C_form-factor_pluggable" title="C form-factor pluggable">CFP</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Interfaces</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Attachment_Unit_Interface" title="Attachment Unit Interface">AUI</a></li> <li><a href="/wiki/EAD_socket" title="EAD socket">EAD</a></li> <li><a href="/wiki/Medium-dependent_interface" title="Medium-dependent interface">MDI</a></li> <li><a href="/wiki/Media-independent_interface" title="Media-independent interface">MII</a></li> <li><a href="/wiki/Gigabit_media-independent_interface" class="mw-redirect" title="Gigabit media-independent interface">GMII</a></li> <li><a href="/wiki/10_gigabit_media-independent_interface" class="mw-redirect" title="10 gigabit media-independent interface">XGMII</a></li> <li><a href="/wiki/XAUI" title="XAUI">XAUI</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <b><a href="/wiki/Category:Ethernet" title="Category:Ethernet">Category</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="Commons 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