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href="/wiki/Wikipedia:Introduktion"><span>Introduktion</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Deltagarportalen" title="Om projektet, vad du kan göra, var man kan hitta saker"><span>Deltagarportalen</span></a></li><li id="n-Bybrunnen" class="mw-list-item"><a href="/wiki/Wikipedia:Bybrunnen"><span>Bybrunnen</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:Senaste_%C3%A4ndringar" title="Lista över de senaste ändringarna på wikin [r]" accesskey="r"><span>Senaste ändringarna</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Slumpsida" title="Gå till en slumpmässigt vald sida [x]" accesskey="x"><span>Slumpartikel</span></a></li><li id="n-filuppladdning" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard" title="Ladda upp filer till Wikimedia Commons"><span>Ladda upp filer</span></a></li><li id="n-Kontakta-Wikipedia" class="mw-list-item"><a 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aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Utseende" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Utseende</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_sv.wikipedia.org&uselang=sv" class=""><span>Stöd Wikipedia</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:Skapa_konto&returnto=Digital+subscriber+line" title="Du uppmuntras att skapa ett konto och logga in, men det är inte obligatoriskt" class=""><span>Skapa konto</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:Inloggning&returnto=Digital+subscriber+line" title="Inloggning ger tillgång till fler funktioner för den som vill skriva och redigera artiklar. 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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logga in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Sidor för utloggade redigerare <a href="/wiki/Hj%C3%A4lp:Introduktion" aria-label="Läs mer om redigering"><span>läs mer</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:Mina_bidrag" title="En lista över redigeringar från denna IP-adress [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:Min_diskussion" title="Diskussion om redigeringar från det här IP-numret [n]" accesskey="n"><span>Diskussion</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Webbplats"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Innehåll" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innehåll</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">dölj</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inledning</div> </a> </li> <li id="toc-Historik" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historik"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Historik</span> </div> </a> <ul id="toc-Historik-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-xDSL-varianter" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#xDSL-varianter"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>xDSL-varianter</span> </div> </a> <button aria-controls="toc-xDSL-varianter-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>Växla underavsnittet xDSL-varianter</span> </button> <ul id="toc-xDSL-varianter-sublist" class="vector-toc-list"> <li id="toc-ADSL" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#ADSL"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>ADSL</span> </div> </a> <ul id="toc-ADSL-sublist" class="vector-toc-list"> <li id="toc-ADSL-standarder" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#ADSL-standarder"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1.1</span> <span>ADSL-standarder</span> </div> </a> <ul id="toc-ADSL-standarder-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-RADSL" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#RADSL"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>RADSL</span> </div> </a> <ul id="toc-RADSL-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-VDSL" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#VDSL"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>VDSL</span> </div> </a> <ul id="toc-VDSL-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-SDSL/HDSL" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#SDSL/HDSL"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>SDSL/HDSL</span> </div> </a> <ul id="toc-SDSL/HDSL-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Andra_begrepp" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Andra_begrepp"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Andra begrepp</span> </div> </a> <button aria-controls="toc-Andra_begrepp-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>Växla underavsnittet Andra begrepp</span> </button> <ul id="toc-Andra_begrepp-sublist" class="vector-toc-list"> <li id="toc-DSLAM" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#DSLAM"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>DSLAM</span> </div> </a> <ul id="toc-DSLAM-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-POTS-splitter" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#POTS-splitter"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>POTS-splitter</span> </div> </a> <ul id="toc-POTS-splitter-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bärfrekvens" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Bärfrekvens"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Bärfrekvens</span> </div> </a> <ul id="toc-Bärfrekvens-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Svenska_DSL-marknaden" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Svenska_DSL-marknaden"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Svenska DSL-marknaden</span> </div> </a> <ul id="toc-Svenska_DSL-marknaden-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Se_även" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Se_även"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Se även</span> </div> </a> <ul id="toc-Se_även-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Källor" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Källor"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Källor</span> </div> </a> <ul id="toc-Källor-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="Innehåll" 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" class="vector-dropdown-checkbox " aria-label="Växla innehållsförteckningen" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Växla innehållsförteckningen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Digital subscriber line</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Gå till en artikel på ett annat språk. Tillgänglig på 49 språk" > <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-49" 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">49 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AE%D8%B7_%D8%A7%D9%84%D9%85%D8%B4%D8%AA%D8%B1%D9%83_%D8%A7%D9%84%D8%B1%D9%82%D9%85%D9%8A" title="خط المشترك الرقمي – arabiska" lang="ar" hreflang="ar" data-title="خط المشترك الرقمي" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/DSL" title="DSL – azerbajdzjanska" lang="az" hreflang="az" data-title="DSL" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzjanska" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/XDSL" title="XDSL – belarusiska" lang="be" hreflang="be" data-title="XDSL" data-language-autonym="Беларуская" data-language-local-name="belarusiska" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A6%D0%B8%D1%84%D1%80%D0%BE%D0%B2%D0%B0_%D0%B0%D0%B1%D0%BE%D0%BD%D0%B0%D1%82%D0%BD%D0%B0_%D0%BB%D0%B8%D0%BD%D0%B8%D1%8F" title="Цифрова абонатна линия – bulgariska" lang="bg" hreflang="bg" data-title="Цифрова абонатна линия" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/DSL" title="DSL – bosniska" lang="bs" hreflang="bs" data-title="DSL" data-language-autonym="Bosanski" data-language-local-name="bosniska" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/L%C3%ADnia_Digital_d%27Abonat" title="Línia Digital d'Abonat – katalanska" lang="ca" hreflang="ca" data-title="Línia Digital d'Abonat" data-language-autonym="Català" data-language-local-name="katalanska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Digital_Subscriber_Line" title="Digital Subscriber Line – tjeckiska" lang="cs" hreflang="cs" data-title="Digital Subscriber Line" data-language-autonym="Čeština" data-language-local-name="tjeckiska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Digital_subscriber_line" title="Digital subscriber line – danska" lang="da" hreflang="da" data-title="Digital subscriber line" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Digital_Subscriber_Line" title="Digital Subscriber Line – tyska" lang="de" hreflang="de" data-title="Digital Subscriber Line" data-language-autonym="Deutsch" data-language-local-name="tyska" 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/Digitaalne_abonendiliin" title="Digitaalne abonendiliin – estniska" lang="et" hreflang="et" data-title="Digitaalne abonendiliin" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/DSL" title="DSL – grekiska" lang="el" hreflang="el" data-title="DSL" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Digital_subscriber_line" title="Digital subscriber line – engelska" lang="en" hreflang="en" data-title="Digital subscriber line" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/L%C3%ADnea_de_abonado_digital" title="Línea de abonado digital – spanska" lang="es" hreflang="es" data-title="Línea de abonado digital" data-language-autonym="Español" data-language-local-name="spanska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/DSL" title="DSL – esperanto" lang="eo" hreflang="eo" data-title="DSL" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Abonatu-linea_digital" title="Abonatu-linea digital – baskiska" lang="eu" hreflang="eu" data-title="Abonatu-linea digital" data-language-autonym="Euskara" data-language-local-name="baskiska" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AE%D8%B7_%D8%A7%D8%B4%D8%AA%D8%B1%D8%A7%DA%A9_%D8%AF%DB%8C%D8%AC%DB%8C%D8%AA%D8%A7%D9%84" title="خط اشتراک دیجیتال – persiska" lang="fa" hreflang="fa" data-title="خط اشتراک دیجیتال" data-language-autonym="فارسی" data-language-local-name="persiska" 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/Digital_subscriber_line" title="Digital subscriber line – franska" lang="fr" hreflang="fr" data-title="Digital subscriber line" data-language-autonym="Français" data-language-local-name="franska" 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/%EB%94%94%EC%A7%80%ED%84%B8_%EA%B0%80%EC%9E%85%EC%9E%90_%ED%9A%8C%EC%84%A0" title="디지털 가입자 회선 – koreanska" lang="ko" hreflang="ko" data-title="디지털 가입자 회선" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/DSL" title="DSL – kroatiska" lang="hr" hreflang="hr" data-title="DSL" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Digital_subscriber_line" title="Digital subscriber line – indonesiska" lang="id" hreflang="id" data-title="Digital subscriber line" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/DSL" title="DSL – italienska" lang="it" hreflang="it" data-title="DSL" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/DSL" title="DSL – hebreiska" lang="he" hreflang="he" data-title="DSL" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A1%D0%B0%D0%BD%D0%B4%D1%8B%D2%9B_%D0%B0%D0%B1%D0%BE%D0%BD%D0%B5%D0%BD%D1%82%D1%82%D1%96%D0%BA_%D0%B6%D0%B5%D0%BB%D1%96" title="Сандық абоненттік желі – kazakiska" lang="kk" hreflang="kk" data-title="Сандық абоненттік желі" data-language-autonym="Қазақша" data-language-local-name="kazakiska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/DSL" title="DSL – lettiska" lang="lv" hreflang="lv" data-title="DSL" data-language-autonym="Latviešu" data-language-local-name="lettiska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%94%D0%B8%D0%B3%D0%B8%D1%82%D0%B0%D0%BB%D0%BD%D0%B0_%D0%BF%D1%80%D0%B5%D1%82%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%B8%D1%87%D0%BA%D0%B0_%D0%BB%D0%B8%D0%BD%D0%B8%D1%98%D0%B0" title="Дигитална претплатничка линија – makedonska" lang="mk" hreflang="mk" data-title="Дигитална претплатничка линија" data-language-autonym="Македонски" data-language-local-name="makedonska" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A1%E0%B4%BF%E0%B4%9C%E0%B4%BF%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%BD_%E0%B4%B8%E0%B4%AC%E0%B5%8D%E0%B4%B8%E0%B5%8D%E0%B4%95%E0%B5%8D%E0%B4%B0%E0%B5%88%E0%B4%AC%E0%B5%BC_%E0%B4%B2%E0%B5%88%E0%B5%BB" title="ഡിജിറ്റൽ സബ്സ്ക്രൈബർ ലൈൻ – malayalam" lang="ml" hreflang="ml" data-title="ഡിജിറ്റൽ സബ്സ്ക്രൈബർ ലൈൻ" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Talian_Pelanggan_Digital" title="Talian Pelanggan Digital – malajiska" lang="ms" hreflang="ms" data-title="Talian Pelanggan Digital" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/DSL" title="DSL – nederländska" lang="nl" hreflang="nl" data-title="DSL" data-language-autonym="Nederlands" data-language-local-name="nederländska" 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/%E3%83%87%E3%82%B8%E3%82%BF%E3%83%AB%E5%8A%A0%E5%85%A5%E8%80%85%E7%B7%9A" title="デジタル加入者線 – japanska" lang="ja" hreflang="ja" data-title="デジタル加入者線" data-language-autonym="日本語" data-language-local-name="japanska" 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/Digital_subscriber_line" title="Digital subscriber line – norskt bokmål" lang="nb" hreflang="nb" data-title="Digital subscriber line" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Digital_Subscriber_Line" title="Digital Subscriber Line – lågtyska" lang="nds" hreflang="nds" data-title="Digital Subscriber Line" data-language-autonym="Plattdüütsch" data-language-local-name="lågtyska" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Cyfrowa_linia_abonencka" title="Cyfrowa linia abonencka – polska" lang="pl" hreflang="pl" data-title="Cyfrowa linia abonencka" data-language-autonym="Polski" data-language-local-name="polska" 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/Digital_Subscriber_Line" title="Digital Subscriber Line – portugisiska" lang="pt" hreflang="pt" data-title="Digital Subscriber Line" data-language-autonym="Português" data-language-local-name="portugisiska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Digital_Subscriber_Line" title="Digital Subscriber Line – rumänska" lang="ro" hreflang="ro" data-title="Digital Subscriber Line" data-language-autonym="Română" data-language-local-name="rumänska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/XDSL" title="XDSL – ryska" lang="ru" hreflang="ru" data-title="XDSL" data-language-autonym="Русский" data-language-local-name="ryska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Linja_e_Abonentit_Digjital" title="Linja e Abonentit Digjital – albanska" lang="sq" hreflang="sq" data-title="Linja e Abonentit Digjital" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Digital_subscriber_line" title="Digital subscriber line – Simple English" lang="en-simple" hreflang="en-simple" data-title="Digital subscriber line" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Digital_Subscriber_Line" title="Digital Subscriber Line – slovakiska" lang="sk" hreflang="sk" data-title="Digital Subscriber Line" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%A8%DB%95%D8%B3%D8%AA%D9%86%DB%95%D9%88%DB%95%DB%8C_%DA%BE%DB%8E%DA%B5%DB%8C_%DA%95%DB%95%D9%86%D9%88%D9%88%D8%B3%DB%8C%DB%8C" title="بەستنەوەی ھێڵی ڕەنووسیی – centralkurdiska" lang="ckb" hreflang="ckb" data-title="بەستنەوەی ھێڵی ڕەنووسیی" data-language-autonym="کوردی" data-language-local-name="centralkurdiska" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/DSL" title="DSL – serbiska" lang="sr" hreflang="sr" data-title="DSL" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/DSL" title="DSL – serbokroatiska" lang="sh" hreflang="sh" data-title="DSL" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/XDSL" title="XDSL – sundanesiska" lang="su" hreflang="su" data-title="XDSL" data-language-autonym="Sunda" data-language-local-name="sundanesiska" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/DSL" title="DSL – finska" lang="fi" hreflang="fi" data-title="DSL" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%8E%E0%AE%A3%E0%AF%8D%E0%AE%A3%E0%AE%BF%E0%AE%AE_%E0%AE%9A%E0%AE%A8%E0%AF%8D%E0%AE%A4%E0%AE%BE%E0%AE%A4%E0%AE%BE%E0%AE%B0%E0%AE%B0%E0%AF%8D_%E0%AE%87%E0%AE%A3%E0%AF%88%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81" title="எண்ணிம சந்தாதாரர் இணைப்பு – tamil" lang="ta" hreflang="ta" data-title="எண்ணிம சந்தாதாரர் இணைப்பு" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/DSL" title="DSL – turkiska" lang="tr" hreflang="tr" data-title="DSL" data-language-autonym="Türkçe" data-language-local-name="turkiska" 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/Digital_Subscriber_Line" title="Digital Subscriber Line – ukrainska" lang="uk" hreflang="uk" data-title="Digital Subscriber Line" data-language-autonym="Українська" data-language-local-name="ukrainska" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/DSL" title="DSL – vietnamesiska" lang="vi" hreflang="vi" data-title="DSL" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesiska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/DSL" title="DSL – kantonesiska" lang="yue" hreflang="yue" data-title="DSL" data-language-autonym="粵語" data-language-local-name="kantonesiska" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%95%B0%E5%AD%97%E7%94%A8%E6%88%B7%E7%BA%BF%E8%B7%AF" title="数字用户线路 – kinesiska" lang="zh" hreflang="zh" data-title="数字用户线路" data-language-autonym="中文" data-language-local-name="kinesiska" 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/Q104534#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</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="Namnrymder"> <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/Digital_subscriber_line" title="Visa innehållssidan [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Diskussion:Digital_subscriber_line&action=edit&redlink=1" rel="discussion" class="new" title="Diskussion om innehållssidan [inte skriven än] [t]" accesskey="t"><span>Diskussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Ändra språkvariant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">svenska</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visningar"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Digital_subscriber_line"><span>Läs</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Digital_subscriber_line&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Digital_subscriber_line&action=history" title="Tidigare versioner av sidan [h]" accesskey="h"><span>Visa historik</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Verktyg" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Verktyg</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Verktyg</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">dölj</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Fler alternativ" > <div class="vector-menu-heading"> Åtgärder </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Digital_subscriber_line"><span>Läs</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Digital_subscriber_line&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Digital_subscriber_line&action=history"><span>Visa historik</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Allmänt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:L%C3%A4nkar_hit/Digital_subscriber_line" title="Lista över alla wikisidor som länkar hit [j]" accesskey="j"><span>Sidor som länkar hit</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Senaste_relaterade_%C3%A4ndringar/Digital_subscriber_line" rel="nofollow" title="Visa senaste ändringarna av sidor som den här sidan länkar till [k]" accesskey="k"><span>Relaterade ändringar</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:Specialsidor" title="Lista över alla specialsidor [q]" accesskey="q"><span>Specialsidor</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Digital_subscriber_line&oldid=51481211" title="Permanent länk till den här versionen av sidan"><span>Permanent länk</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Digital_subscriber_line&action=info" title="Mer information om denna sida"><span>Sidinformation</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citera&page=Digital_subscriber_line&id=51481211&wpFormIdentifier=titleform" title="Information om hur den här artikeln kan användas som referens"><span>Använd som referens</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FDigital_subscriber_line%23VDSL"><span>Hämta förkortad url</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FDigital_subscriber_line%23VDSL"><span>Ladda ner QR-kod</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Skriv ut/exportera </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Bok&bookcmd=book_creator&referer=Digital+subscriber+line"><span>Skapa en bok</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Digital_subscriber_line&action=show-download-screen"><span>Ladda ned som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Digital_subscriber_line&printable=yes" title="Utskriftsvänlig version av den här sidan [p]" accesskey="p"><span>Utskriftsvänlig version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> På andra projekt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Digital_Subscriber_Line" hreflang="en"><span>Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q104534" title="Länk till anslutet databasobjekt [g]" accesskey="g"><span>Wikidata-objekt</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Utseende"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Utseende</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">dölj</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Från Wikipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Omdirigerad från <a href="/w/index.php?title=VDSL&redirect=no" class="mw-redirect" title="VDSL">VDSL</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="sv" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r51224235">.mw-parser-output table.ambox{margin:0 10%;border-collapse:collapse;background:#fbfbfb;border:1px solid #aaa;border-left:10px solid #608ec2}.mw-parser-output table.ambox th.ambox-text,.mw-parser-output table.ambox td.ambox-text{padding:.25em .5em;width:100%}.mw-parser-output table.ambox td.ambox-image{padding:2px 0 2px .5em;text-align:center;vertical-align:middle}.mw-parser-output table.ambox td.ambox-imageright{padding:2px 4px 2px 0;text-align:center;vertical-align:middle}.mw-parser-output table.ambox-notice{border-left:10px solid #608ec2}.mw-parser-output table.ambox-delete,.mw-parser-output table.ambox-serious{border-left:10px solid #b22222}.mw-parser-output table.ambox-content{border-left:10px solid #f28500}.mw-parser-output table.ambox-style{border-left:10px solid #f4c430}.mw-parser-output table.ambox-merge{border-left:10px solid #9932cc}.mw-parser-output table.ambox-protection{border-left:10px solid #bba}.mw-parser-output .ambox+link+.ambox{border-top-width:0}.mw-parser-output .messagebox{border:1px solid #aaaaaa;background-color:#f8f9fa;width:80%;margin:0 auto 1em auto;padding:.2em}.mw-parser-output .messagebox.merge{border:1px solid #c0b8cc;background-color:#f0e5ff;text-align:center}.mw-parser-output .messagebox.cleanup{border:1px solid #9f9fff;background-color:#efefff;text-align:center}.mw-parser-output .messagebox.standard-talk{border:1px solid #c0c090;background-color:#f8eaba}.mw-parser-output .messagebox.nested-talk{border:1px solid #c0c090;background-color:#f8eaba;width:100%;margin:2px 4px}</style><table class="metadata ambox ambox-content" style=""> <tbody><tr> <td class="ambox-image"> <div style="width:52px;"><span typeof="mw:File"><a href="/wiki/Fil:Question_book-4.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/40px-Question_book-4.svg.png" decoding="async" width="40" height="31" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/60px-Question_book-4.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/64/Question_book-4.svg/80px-Question_book-4.svg.png 2x" data-file-width="262" data-file-height="204" /></a></span></div></td> <td class="ambox-text">Den här artikeln <b>behöver fler eller bättre <a href="/wiki/Wikipedia:K%C3%A4llh%C3%A4nvisningar" title="Wikipedia:Källhänvisningar">källhänvisningar</a> för att kunna <a href="/wiki/Wikipedia:Verifierbarhet" title="Wikipedia:Verifierbarhet">verifieras</a>.</b> <small>(2020-11)</small> <br /><small>Åtgärda genom att lägga till pålitliga källor (<a href="/wiki/Wikipedia:Introduktion_till_k%C3%A4llh%C3%A4nvisningar" title="Wikipedia:Introduktion till källhänvisningar">gärna som fotnoter</a>). Uppgifter utan källhänvisning kan <a href="/wiki/Mall:K%C3%A4lla_beh%C3%B6vs" title="Mall:Källa behövs">ifrågasättas</a> och tas bort utan att det behöver diskuteras på <a href="/w/index.php?title=Diskussion:Digital_subscriber_line&action=edit&redlink=1" class="new" title="Diskussion:Digital subscriber line [inte skriven än]">diskussionssidan</a>.</small></td> </tr> </tbody></table> <table class="vertical-navbox nowraplinks" cellspacing="5" style="float: right; clear: right; color: black; background: #f9f9f9; border: 1px solid #aaa; width: 22em; margin: 0 0 1.0em 1.0em; padding: 0.2em; border-spacing: 0.4em 0; text-align: center; line-height: 1.4em; font-size: 88%; ;" cellpadding="0"><tbody><tr> <th class="" style="padding: 0.2em 0.4em 0.2em; font-size: 145%; line-height: 1.2em; font-weight: bold;">Protokollstack för IP-nätverk</th> </tr><tr> <td class="" style="padding-top: 0.2em; font-weight: bold;"><a href="/wiki/Applikationsskikt" title="Applikationsskikt">Applikation</a></td> </tr><tr> <td style="padding-bottom: 0.2em;"> <a href="/wiki/Bittorrent" title="Bittorrent">BitTorrent</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Dynamic_Host_Configuration_Protocol" title="Dynamic Host Configuration Protocol">DHCP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Dom%C3%A4nnamnssystemet" title="Domännamnssystemet">DNS</a><span style="font-weight:bold;"> · </span> <a href="/wiki/File_Transfer_Protocol" title="File Transfer Protocol">FTP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Hypertext_Transfer_Protocol" title="Hypertext Transfer Protocol">HTTP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Internet_Message_Access_Protocol" title="Internet Message Access Protocol">IMAP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Internet_Relay_Chat" title="Internet Relay Chat">IRC</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Network_News_Transfer_Protocol" title="Network News Transfer Protocol">NNTP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/POP3" title="POP3">POP3</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Real-time_Transport_Protocol" title="Real-time Transport Protocol">RTP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Session_Initiation_Protocol" title="Session Initiation Protocol">SIP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Simple_Mail_Transfer_Protocol" title="Simple Mail Transfer Protocol">SMTP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Simple_network_management_protocol" title="Simple network management protocol">SNMP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Secure_Shell" title="Secure Shell">SSH</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Telnet" title="Telnet">Telnet</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Transport_Layer_Security" title="Transport Layer Security">TLS</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Secure_Sockets_Layer" title="Secure Sockets Layer">SSL</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Trivial_File_Transfer_Protocol" title="Trivial File Transfer Protocol">TFTP</a> <span style="font-weight:bold;"> · </span> <a href="/wiki/Border_Gateway_Protocol" title="Border Gateway Protocol">BGP</a></td> </tr><tr> <td class="" style="padding-top: 0.2em; font-weight: bold;"><a href="/wiki/Transportskikt" title="Transportskikt">Transport</a></td> </tr><tr> <td style="padding-bottom: 0.2em;"> <a href="/wiki/Datagram_Congestion_Control_Protocol" title="Datagram Congestion Control Protocol">DCCP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Stream_Control_Transmission_Protocol" title="Stream Control Transmission Protocol">SCTP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Transmission_Control_Protocol" title="Transmission Control Protocol">TCP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/User_Datagram_Protocol" title="User Datagram Protocol">UDP</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=IL_Protocol&action=edit&redlink=1" class="new" title="IL Protocol [inte skriven än]">IL</a><span style="font-weight:bold;"> · </span> <a href="/w/index.php?title=Reliable_User_Datagram_Protocol&action=edit&redlink=1" class="new" title="Reliable User Datagram Protocol [inte skriven än]">RUDP</a></td> </tr><tr> <td class="" style="padding-top: 0.2em; font-weight: bold;"><a href="/wiki/N%C3%A4tverksskikt" title="Nätverksskikt">Nätverk</a></td> </tr><tr> <td style="padding-bottom: 0.2em;"> <a href="/wiki/Address_Resolution_Protocol" title="Address Resolution Protocol">ARP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Internet_Control_Message_Protocol" title="Internet Control Message Protocol">ICMP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Internet_Group_Management_Protocol" title="Internet Group Management Protocol">IGMP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Internetprotokoll" title="Internetprotokoll">IP</a> (<a href="/wiki/IPv4" title="IPv4">IPv4</a><span style="font-weight:bold;"> · </span> <a href="/wiki/IPv6" title="IPv6">IPv6</a>)<span style="font-weight:bold;"> · </span> <a href="/wiki/Routing_Information_Protocol" title="Routing Information Protocol">RIP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Reverse_Address_Resolution_Protocol" title="Reverse Address Resolution Protocol">RARP</a></td> </tr><tr> <td class="" style="padding-top: 0.2em; font-weight: bold;"><a href="/wiki/Datal%C3%A4nkskikt" title="Datalänkskikt">Länk</a></td> </tr><tr> <td style="padding-bottom: 0.2em;"> <a href="/wiki/Asynchronous_Transfer_Mode_(telekommunikation)" title="Asynchronous Transfer Mode (telekommunikation)">ATM</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Ethernet" title="Ethernet">Ethernet</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Fiber_Distributed_Data_Interface" title="Fiber Distributed Data Interface">FDDI</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Integrated_Services_Digital_Network" title="Integrated Services Digital Network">ISDN</a><span style="font-weight:bold;"> · </span> <a href="/wiki/IS-IS" title="IS-IS">IS-IS</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Multiprotocol_Label_Switching" title="Multiprotocol Label Switching">MPLS</a><span style="font-weight:bold;"> · </span> <a href="/wiki/IEEE_802.5" title="IEEE 802.5">Token Ring</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Point-to-Point_Protocol" title="Point-to-Point Protocol">PPP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Serial_Line_Internet_Protocol" title="Serial Line Internet Protocol">SLIP</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Wi-Fi" title="Wi-Fi">Wi-Fi</a></td> </tr><tr> <td class="" style="padding-top: 0.2em; font-weight: bold;"><a href="/wiki/Fysiskt_skikt" title="Fysiskt skikt">Fysiskt</a></td> </tr><tr> <td style="padding-bottom: 0.2em;"> <a href="/wiki/IEEE_802" title="IEEE 802">IEEE 802</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Integrated_Services_Digital_Network" title="Integrated Services Digital Network">ISDN</a><span style="font-weight:bold;"> · </span> <a href="/wiki/RS-232" title="RS-232">RS-232</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Infrared_Data_Association" title="Infrared Data Association">IrDA</a><span style="font-weight:bold;"> · </span> <a href="/wiki/Bluetooth" title="Bluetooth">Bluetooth</a><span style="font-weight:bold;"> · </span> <a class="mw-selflink selflink">xDSL</a></td> </tr><tr> <td style="text-align: right; font-size: 115%;"><div class="noprint plainlinks" style="background-color:transparent; padding:0; white-space:nowrap; font-weight:normal; font-size:80%; ; color: inherit;"><a href="/wiki/Mall:IPstack" title="Mall:IPstack"><span title="Visa denna mall" style=";">v</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:IPstack&action=edit"><span style=";" title="Redigera den här mallen">r</span></a></div></td> </tr> </tbody></table> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fil:Zyxel_ADSL_router_20041002.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Zyxel_ADSL_router_20041002.jpg/250px-Zyxel_ADSL_router_20041002.jpg" decoding="async" width="250" height="98" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Zyxel_ADSL_router_20041002.jpg/375px-Zyxel_ADSL_router_20041002.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Zyxel_ADSL_router_20041002.jpg/500px-Zyxel_ADSL_router_20041002.jpg 2x" data-file-width="853" data-file-height="336" /></a><figcaption>ADSL-modem</figcaption></figure> <p><b>Digital subscriber line</b> förkortat <b>DSL</b> eller <b>xDSL</b>, fritt översatt <i>digital abonnentanslutning</i>, är en teknik för att överföra stora mängder <a href="/wiki/Data_(representation)" title="Data (representation)">data</a> över telefonledningar av koppar. Genom att kommunicera på <a href="/wiki/Frekvens" title="Frekvens">frekvenser</a> som inte används vid tal (över 4000 Hz) kan de vanligaste DSL-varianterna som använder en <a href="/w/index.php?title=POTS&action=edit&redlink=1" class="new" title="POTS [inte skriven än]">POTS</a>-splitter även ge utrymme för till exempel talsamtal och faxsamtal på samma ledning som DSL-förbindelsen. </p><p>Förbindelsen är på korta avstånd betydligt snabbare än förbindelser med vanliga analoga <a href="/wiki/Modem" title="Modem">modem</a>. Kopparledningens bandbredd sjunker dock snabbt med avstånd vilket gör att xDSL endast kan användas över korta distanser. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historik">Historik</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=1" title="Redigera avsnitt: Historik" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=1" title="Redigera avsnitts källkod: Historik"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Tekniken uppfanns av <a href="/wiki/John_Cioffi" title="John Cioffi">John Cioffi</a>, amerikansk professor i elektroteknik, tillsammans med hans studenter som hjälpte till att utveckla tekniken. År 1991 tog Cioffi tjänstledigt från <a href="/wiki/Stanford_University" title="Stanford University">Stanford University</a> för att kunna kommersialisera DSL-tekniken och resultatet blev Prelude, världens första bredbandsmodem för DSL-teknik. År 1993 avgjordes en tävling för att utse den tidens snabbaste <a href="/wiki/Modem" title="Modem">modem</a>, tävlingen har kommit att kallas Bellcore Olympics. Med i tävlingen fanns stora aktörer som Bellcore, GTE och <a href="/wiki/British_Telecom" class="mw-redirect" title="British Telecom">British Telecom</a>, men som vinnare stod Prelude-modemet som byggde på den helt nya DSL-tekniken. På grund av kostnaden för mikroprocessorer dröjde det några år innan tekniken blev allmänt användbar, men runt år 2000 blev ADSL den teknik som användes när <a href="/wiki/Bredband" title="Bredband">bredbandsanvändningen</a> ökade bland befolkningen. John Cioffi har kommit att kallas "bredbandets fader".<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="xDSL-varianter">xDSL-varianter</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=2" title="Redigera avsnitt: xDSL-varianter" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=2" title="Redigera avsnitts källkod: xDSL-varianter"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>De olika teknikerna kallas ofta gemensamt för xDSL och finns i ett flertal variationer: </p> <div class="mw-heading mw-heading3"><h3 id="ADSL">ADSL</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=3" title="Redigera avsnitt: ADSL" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=3" title="Redigera avsnitts källkod: ADSL"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>ADSL</i> (<i>asymmetric digital subscriber line</i>) står för <i><a href="/wiki/Asymmetri" title="Asymmetri">Asymmetrisk</a></i> DSL, vilket innebär att <a href="/wiki/Bandbredd" title="Bandbredd">bandbredden</a> till <a href="/wiki/Abonnent" class="mw-redirect" title="Abonnent">abonnenten</a> i normalfallet är flera gånger större än bandbredden från abonnenten. Anledning till detta är dels historisk eftersom ADSL från början togs fram för att kunna ge <a href="/wiki/Telebolag" class="mw-redirect" title="Telebolag">telebolagen</a> möjlighet att leverera <a href="/wiki/Video_on_Demand" class="mw-redirect" title="Video on Demand">Video on Demand</a> och då var asymmetrin att föredra, dels aktuell eftersom huvuddelen av trafiken till en privat abonnent har den profilen. Det vill säga att ofta ett fåtal kommandon skickas till servrar, som sedan skickar större mängder data i form av filmer, webbsidor, etc. </p><p>ADSL klarar distanser på cirka 5 kilometer utan att tappa nämnvärt i överföringshastighet. Bandbredden anpassar sig dock dynamiskt efter kvaliteten på linjen och kan därför ofta nå betydligt längre sträckor, men med lägre hastighet. När signalen når abonnenten filtreras ADSL-signalen ut till ett modem med efterföljande traditionellt nätverk samtidigt som POTS-trafiken filtreras ut till efterföljande <a href="/wiki/Telefonjack" title="Telefonjack">telefonjack</a>. Detta medför att en telefonlinje kan användas till både ADSL och tal samtidigt. </p><p>År 2000 började <a href="/wiki/Telia_Sverige" title="Telia Sverige">Telia</a> erbjuda ADSL till hushåll i 23 orter i Sverige. Gränsen för vilken hastighet som då bedömdes fysiskt möjligt var 8 Mbit/s nedströms, mot abonnenten, och 1 Mbit/s uppströms, mot telefonstationen. Det fasta telefonnätet (kopparnätet) och ADSL började etappvis att avvecklas i Sverige från 2010-talet.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup> Arbetet beräknas bli helt klart under år 2026.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="ADSL-standarder">ADSL-standarder</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=4" title="Redigera avsnitt: ADSL-standarder" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=4" title="Redigera avsnitts källkod: ADSL-standarder"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable"> <tbody><tr> <th>Namn på standard</th> <th>Vardagligt namn</th> <th>Nedströms (maximalt)</th> <th>Uppströms (maximalt) </th></tr> <tr> <td>ANSI T1.413-1998 Issue 2</td> <td>ADSL</td> <td>8 Mbit/s</td> <td>1.0 Mbit/s </td></tr> <tr> <td>ITU G.992.1</td> <td>ADSL (G.DMT)</td> <td>8 Mbit/s</td> <td>1.0 Mbit/s </td></tr> <tr> <td>ITU G.992.2</td> <td>ADSL Lite(G.Lite)</td> <td>1.5 Mbit/s</td> <td>0.5 Mbit/s </td></tr> <tr> <td>ITU G.992.3/4</td> <td>ADSL2</td> <td>12 Mbit/s</td> <td>1.0 Mbit/s </td></tr> <tr> <td>ITU G.992.3/4 Annex J</td> <td>ADSL2</td> <td>12 Mbit/s</td> <td>3.5 Mbit/s </td></tr> <tr> <td>ITU G.992.3/4 Annex L</td> <td>RE-ADSL2</td> <td>5 Mbit/s</td> <td>0.8 Mbit/s </td></tr> <tr> <td>ITU G.992.5</td> <td>ADSL2+</td> <td>24 Mbit/s</td> <td>1.0 Mbit/s </td></tr> <tr> <td>ITU G.992.5 Annex L</td> <td>RE-ADSL2+</td> <td>24 Mbit/s</td> <td>1.0 Mbit/s </td></tr> <tr> <td>ITU G.992.5 Annex M</td> <td>ADSL2+</td> <td>28 Mbit/s</td> <td>3.5 Mbit/s </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="RADSL">RADSL</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=5" title="Redigera avsnitt: RADSL" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=5" title="Redigera avsnitts källkod: RADSL"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>Rate-adaptive ADSL</i> är en variant på ADSL som kan anpassa <a href="/wiki/Bandbredd" title="Bandbredd">bandbredden</a> på uppströmstrafiken beroende på linjekvaliteten för att säkerställa nedströmstrafikens bandbredd. </p> <div class="mw-heading mw-heading3"><h3 id="VDSL">VDSL</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=6" title="Redigera avsnitt: VDSL" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=6" title="Redigera avsnitts källkod: VDSL"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>VDSL</i> (<i>very high-rate digital subscriber line</i>) är en höghastighetsanslutning för data över en vanlig <a href="/wiki/Telefon" title="Telefon">telefonledning</a> som kan erbjuda en hastighet på upp till 65 Mbit/s nedströms men 12 Mbit/s nedströms och 9 Mbit/s uppströms är den vanligaste. VDSL är dyrare och åtkomligt för betydligt färre än ADSL. Utrustning för att använda VDSL punkt till punkt finns också tillgänglig, vilket är användbart då man äger kopparparet själv eller alternativt hyr dem. </p> <div class="mw-heading mw-heading3"><h3 id="SDSL/HDSL"><span id="SDSL.2FHDSL"></span>SDSL/HDSL</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=7" title="Redigera avsnitt: SDSL/HDSL" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=7" title="Redigera avsnitts källkod: SDSL/HDSL"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>SDSL</i> är en variant av DSL som är symmetriskt vilket betyder att bandbredden är lika både uppströms och nedströms. Bandbredden är från 128 kbit/s och kan vid optimala förhållanden komma upp i 11,4 Mbit/s på ett kopparpar, bandbredden kan med hjälp av så kallad "bundling" av kopparpar ökas till 45,6 Mbit/s. SDSL används oftast som ett generellt begrepp för alla varianter av symmetriska DSL-varianter. Det är inte en <a href="/wiki/ITU" class="mw-redirect" title="ITU">ITU</a>-godkänd standard utan en samling tekniker specifika för varje tillverkare, vilket gör att det är svårt att veta om olika tillverkares SDSL-modem verkligen passar ihop. <a href="/w/index.php?title=POTS&action=edit&redlink=1" class="new" title="POTS [inte skriven än]">POTS</a>-splitter är inte möjlig med SDSL, så anslutningen kan inte används tillsammans med POTS på samma kopparpar. Exempel på ITU-standarder som är symmetriska är <i>G.shdsl</i> och <i>HDSL</i>. </p> <div class="mw-heading mw-heading2"><h2 id="Andra_begrepp">Andra begrepp</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=8" title="Redigera avsnitt: Andra begrepp" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=8" title="Redigera avsnitts källkod: Andra begrepp"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="DSLAM">DSLAM</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=9" title="Redigera avsnitt: DSLAM" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=9" title="Redigera avsnitts källkod: DSLAM"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>En <i>DSLAM</i> (<i>Digital Subscriber Line Access Multiplexer</i>) är den enhet som i <a href="/wiki/Telefonstation" class="mw-redirect" title="Telefonstation">telefonstationen</a> sammanför <a href="/w/index.php?title=POTS&action=edit&redlink=1" class="new" title="POTS [inte skriven än]">POTS</a> och xDSL på telefonledningen ut till kunden för de xDSL-varianter som tillåter det. </p> <div class="mw-heading mw-heading3"><h3 id="POTS-splitter">POTS-splitter</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=10" title="Redigera avsnitt: POTS-splitter" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=10" title="Redigera avsnitts källkod: POTS-splitter"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Adsl_splitter.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/36/Adsl_splitter.jpg/250px-Adsl_splitter.jpg" decoding="async" width="250" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/36/Adsl_splitter.jpg/375px-Adsl_splitter.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/36/Adsl_splitter.jpg/500px-Adsl_splitter.jpg 2x" data-file-width="1024" data-file-height="768" /></a><figcaption>Exempel på POTS-splitter</figcaption></figure> <p>En <i>POTS-splitter</i> är egentligen ett frekvens-<a href="/wiki/Delningsfilter" title="Delningsfilter">delningsfilter</a> som delar upp signalen på telefonledningen mellan <a href="/w/index.php?title=POTS&action=edit&redlink=1" class="new" title="POTS [inte skriven än]">POTS</a> och xDSL så att dessa inte skall störa varandra i utrustningen hos abonnenten. POTS-splittern skall i Sverige alltid placeras i d et första <a href="/wiki/Telefonjack" title="Telefonjack">telefonjacket</a> i huset så att filtreringen fungerar för alla efterföljande telefonjack. Telefonjackens koppling är olika i olika länder. </p> <div class="mw-heading mw-heading3"><h3 id="Bärfrekvens"><span id="B.C3.A4rfrekvens"></span>Bärfrekvens</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=11" title="Redigera avsnitt: Bärfrekvens" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=11" title="Redigera avsnitts källkod: Bärfrekvens"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>När det inte finns lediga kopparpar till en fastighet eller mellan kopplingspunkter i nätet används något som kallas <a href="/wiki/B%C3%A4rfrekvens" class="mw-redirect" title="Bärfrekvens">bärfrekvens</a> vilket betyder att två telefoniförbindelser använder samma trådpar. Detta kan inte kombineras med DSL-teknik på trådparet, inget av abonnemangen kan då använda DSL. </p><p>I Sverige kan DSL-operatörer beställa att <a href="/wiki/Skanova" title="Skanova">Skanova</a> undersöker om bortbyggnad av bärfrekvens kan göras, undersökningen tar cirka 14 dagar. Om utredningen visar att bortbyggnad är möjlig kan DSL-operatören beställa bortbyggnad, vilket tar upp till 90 dagar (i vissa fall mer). </p> <div class="mw-heading mw-heading2"><h2 id="Svenska_DSL-marknaden">Svenska DSL-marknaden</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=12" title="Redigera avsnitt: Svenska DSL-marknaden" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=12" title="Redigera avsnitts källkod: Svenska DSL-marknaden"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Redan 2010 påbörjade Telia det långsiktiga arbetet med att ersätta kopparnätet med fiber och mobil teknik. Sedan dess har antalet leverantörer som erbjuder bredband via xDSL blivit färre och färre. Anledningarna är att kopparnätet, som tidigare utgjorde stommen för fast telefoni och bredband i landet, utgörs av gammal teknik, inte längre lever upp till krav och att det används av allt färre.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Antalet abonnemang för bredband via det traditionella kopparnätet (xDSL) har därför mer än halverats på tre år, och i början av 2021 fanns färre än 300 000 sådana abonnemang kvar<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-reference-link-bracket">[</span>5<span class="cite-reference-link-bracket">]</span></a></sup>. Inga nya kopparnät byggs längre i Sverige och Telia räknar med att telenätet är helt avvecklat i slutet av 2026<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-reference-link-bracket">[</span>6<span class="cite-reference-link-bracket">]</span></a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Se_även"><span id="Se_.C3.A4ven"></span>Se även</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=13" title="Redigera avsnitt: Se även" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=13" title="Redigera avsnitts källkod: Se även"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Bredband" title="Bredband">Bredband</a></li> <li><a href="/wiki/Modem" title="Modem">Modem</a></li> <li><a href="/wiki/Internets_historia" title="Internets historia">Internets historia</a> .. <a href="/wiki/Internets_historia_i_Sverige" title="Internets historia i Sverige">i Sverige</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Källor"><span id="K.C3.A4llor"></span>Källor</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Digital_subscriber_line&veaction=edit&section=14" title="Redigera avsnitt: Källor" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Digital_subscriber_line&action=edit&section=14" title="Redigera avsnitts källkod: Källor"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-:0-1"><a href="#cite_ref-:0_1-0">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.internetmuseum.se/tidslinjen/john-cioffi/">”John Cioffi utvecklar DSL-tekniken som ger oss bredband via telefonlinan”</a>. Internetmuseum<span class="printonly">. <a rel="nofollow" class="external free" href="https://www.internetmuseum.se/tidslinjen/john-cioffi/">https://www.internetmuseum.se/tidslinjen/john-cioffi/</a></span><span class="reference-accessdate">. Läst 5 november 2020</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=John+Cioffi+utvecklar+DSL-tekniken+som+ger+oss+bredband+via+telefonlinan&rft.atitle=&rft.pub=Internetmuseum&rft_id=https%3A%2F%2Fwww.internetmuseum.se%2Ftidslinjen%2Fjohn-cioffi%2F&rfr_id=info:sid/en.wikipedia.org:Digital_subscriber_line"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-2"><a href="#cite_ref-2">^</a> <span class="reference-text"><cite style="font-style:normal" class="news" id="CITEREFRosenström2015">Rosenström, Viktoria (4 maj 2015). <a rel="nofollow" class="external text" href="https://www.svt.se/nyheter/lokalt/varmland/isolerade-nar-adsl-stangs-ned">”Nästintill isolerade när ADSL stängs ned”</a>. <i>SVT Nyheter</i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.svt.se/nyheter/lokalt/varmland/isolerade-nar-adsl-stangs-ned">https://www.svt.se/nyheter/lokalt/varmland/isolerade-nar-adsl-stangs-ned</a></span><span class="reference-accessdate">. Läst 12 november 2020</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=N%C3%A4stintill+isolerade+n%C3%A4r+ADSL+st%C3%A4ngs+ned&rft.jtitle=SVT+Nyheter&rft.aulast=Rosenstr%C3%B6m&rft.aufirst=Viktoria&rft.au=Rosenstr%C3%B6m%2C+Viktoria&rft.date=4+maj+2015&rft_id=https%3A%2F%2Fwww.svt.se%2Fnyheter%2Flokalt%2Fvarmland%2Fisolerade-nar-adsl-stangs-ned&rfr_id=info:sid/en.wikipedia.org:Digital_subscriber_line"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-3"><a href="#cite_ref-3">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.bredbandsval.se/bredband/adsl-avveckling">”Listan: Här slutar ADSL att fungera”</a>. <i><span>Bredbandsval.se</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.bredbandsval.se/bredband/adsl-avveckling">https://www.bredbandsval.se/bredband/adsl-avveckling</a></span><span class="reference-accessdate">. Läst 28 oktober 2022</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Listan%3A+H%C3%A4r+slutar+ADSL+att+fungera&rft.atitle=Bredbandsval.se&rft_id=https%3A%2F%2Fwww.bredbandsval.se%2Fbredband%2Fadsl-avveckling&rfr_id=info:sid/en.wikipedia.org:Digital_subscriber_line"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-4"><a href="#cite_ref-4">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.telia.se/privat/om/framtidensnat.html">”Framtidens nät”</a>. <i><span>Telia.se</span></i><span class="printonly">. <a rel="nofollow" class="external free" href="https://www.telia.se/privat/om/framtidensnat.html">https://www.telia.se/privat/om/framtidensnat.html</a></span><span class="reference-accessdate">. Läst 11 november 2022</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Framtidens+n%C3%A4t&rft.atitle=Telia.se&rft_id=https%3A%2F%2Fwww.telia.se%2Fprivat%2Fom%2Fframtidensnat.html&rfr_id=info:sid/en.wikipedia.org:Digital_subscriber_line"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-5"><a href="#cite_ref-5">^</a> <span class="reference-text"><a rel="nofollow" class="external free" href="https://www.pts.se/globalassets/startpage/dokument/icke-legala-dokument/rapporter/2021/telefoni/rapport-stm1h-2021-dnr21-8762_t.pdf">https://www.pts.se/globalassets/startpage/dokument/icke-legala-dokument/rapporter/2021/telefoni/rapport-stm1h-2021-dnr21-8762_t.pdf</a></span> </li> <li id="cite_note-6"><a href="#cite_ref-6">^</a> <span class="reference-text"><a rel="nofollow" class="external free" href="https://www.bredbandsval.se/blogg/listan-haer-slutar-adsl-att-fungera">https://www.bredbandsval.se/blogg/listan-haer-slutar-adsl-att-fungera</a></span> </li> </ol></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Hämtad från ”<a dir="ltr" href="https://sv.wikipedia.org/w/index.php?title=Digital_subscriber_line&oldid=51481211#VDSL">https://sv.wikipedia.org/w/index.php?title=Digital_subscriber_line&oldid=51481211#VDSL</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Wikipedia:Kategorier" title="Wikipedia:Kategorier">Kategori</a>: <ul><li><a href="/wiki/Kategori:Fysiskt_skikt-protokoll" title="Kategori:Fysiskt skikt-protokoll">Fysiskt skikt-protokoll</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Dolda kategorier: <ul><li><a href="/wiki/Kategori:Artiklar_som_beh%C3%B6ver_fler_k%C3%A4llor_2020-11" title="Kategori:Artiklar som behöver fler källor 2020-11">Artiklar som behöver fler källor 2020-11</a></li><li><a href="/wiki/Kategori:Alla_artiklar_som_beh%C3%B6ver_fler_k%C3%A4llor" title="Kategori:Alla artiklar som behöver fler källor">Alla artiklar som behöver fler källor</a></li><li><a href="/wiki/Kategori:Alla_artiklar_som_beh%C3%B6ver_k%C3%A4llor" title="Kategori:Alla artiklar som behöver källor">Alla artiklar som behöver källor</a></li><li><a href="/wiki/Kategori:Samtliga_ej_utg%C3%A5ngna_b%C3%A4st_f%C3%B6re" title="Kategori:Samtliga ej utgångna bäst före">Samtliga ej utgångna bäst före</a></li><li><a href="/wiki/Kategori:B%C3%A4st_f%C3%B6re_om_mer_%C3%A4n_1_%C3%A5r" title="Kategori:Bäst före om mer än 1 år">Bäst före om mer än 1 år</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Sidan redigerades senast den 11 november 2022 kl. 22.10.</li> <li id="footer-info-copyright">Wikipedias text är tillgänglig under licensen <a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/4.0/deed.sv">Creative Commons Erkännande-dela-lika 4.0 Unported</a>. 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