{"id":3485,"date":"2025-12-03T00:00:00","date_gmt":"2025-12-03T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/ieee-802-3bj-standard-100g-ethernet-backplane-copper\/"},"modified":"2026-06-22T04:24:50","modified_gmt":"2026-06-22T04:24:50","slug":"ieee-802-3bj-standard-100g-ethernet-backplane-copper","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/ieee-802-3bj-standard-100g-ethernet-backplane-copper","title":{"rendered":"IEEE 802.3bj : la base de l\u2019Ethernet 100G pour plans arri\u00e8re et interconnexions cuivre\u00a0 \u00a0\u00a0"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93c20816f7d249cc92a955b71ab3959e.webp\" alt=\"IEEE 802.3bj 40G\/100G Ethernet standard\" class=\"wp-image-3481\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93c20816f7d249cc92a955b71ab3959e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93c20816f7d249cc92a955b71ab3959e-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93c20816f7d249cc92a955b71ab3959e-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93c20816f7d249cc92a955b71ab3959e-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/93c20816f7d249cc92a955b71ab3959e-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 <strong>Introduction<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 mesure que les centres de donn\u00e9es \u00e9voluent vers une densit\u00e9 de ports plus \u00e9lev\u00e9e et une capacit\u00e9 de commutation plus rapide, le besoin d\u2019interfaces \u00e9lectriques haute vitesse fiables devient critique. L\u2019IEEE <strong>3bj<\/strong> \u2014 approuv\u00e9 en 2014 \u2014 d\u00e9finit le fonctionnement de <strong>l\u2019Ethernet 40 G et 100 G<\/strong> sur des <strong>canaux de plan arri\u00e8re<\/strong> and <strong>et des ensembles de c\u00e2bles en cuivre<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette norme constitue une \u00e9tape d\u00e9cisive dans l\u2019\u00e9volution de l\u2019Ethernet, introduisant des technologies de signalisation \u00e0 25 Gb\/s qui sont devenues par la suite la base de l\u2019Ethernet 25 G, 50 G, 100 G, 200 G et 400 G.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet article analyse les objectifs, les technologies cl\u00e9s, les types de PHY et l\u2019impact industriel de la norme IEEE 802.3bj \u2014 optimis\u00e9 pour les ing\u00e9nieurs, les architectes r\u00e9seaux et les acheteurs techniques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 <strong>Qu\u2019est-ce que l\u2019IEEE 802.3bj ?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IEEE <strong>3bj<\/strong> est une sp\u00e9cification de couche physique (PHY) pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>100GBASE-KR4<\/strong> \u2013 100 Gb\/s sur plan arri\u00e8re<\/p><\/li><li><p><strong>100GBASE-KP4<\/strong> \u2013 100 Gb\/s sur plan arri\u00e8re avec <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\">PAM4<\/a><\/p><\/li><li><p><strong>100GBASE-CR4<\/strong> \u2013 100 Gb\/s sur c\u00e2ble en cuivre twinax<\/p><\/li><li><p><strong>40GBASE-CR4<\/strong> \u2013 40 Gb\/s sur c\u00e2ble en cuivre twinax<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Son objectif principal est de permettre la <strong>25 Gb\/s par voie<\/strong> transmission dans des environnements exigeants de plans arri\u00e8re de cartes de circuits imprim\u00e9s (PCB) et sur des liaisons courtes en cuivre.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e94f7df1a810404496d1cfc413a2419d.webp\" alt=\"What Is IEEE 802.3bj?\" class=\"wp-image-3482\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e94f7df1a810404496d1cfc413a2419d.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e94f7df1a810404496d1cfc413a2419d-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e94f7df1a810404496d1cfc413a2419d-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e94f7df1a810404496d1cfc413a2419d-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e94f7df1a810404496d1cfc413a2419d-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 <strong>Pourquoi l\u2019IEEE 802.3bj est-il important ?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Avant l\u2019IEEE 802.3bj, l\u2019Ethernet utilisait principalement <strong>10 Gb\/s par voie<\/strong> (10GBASE-KR). \u00c0 mesure que la densit\u00e9 augmentait, cette approche ne pouvait plus s\u2019adapter efficacement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019IEEE 802.3bj a introduit la premi\u00e8re g\u00e9n\u00e9ration de <strong>voies \u00e9lectriques \u00e0 25 Gb\/s<\/strong>, devenue le bloc de construction de facto pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>l\u2019Ethernet 25 G (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/25gbase-ieee-802-3by-single-lane-25gbe-standard\/\">3by<\/a>)<\/p><\/li><li><p>l\u2019Ethernet 50 G \/ 100 G \/ 200 G (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/ieee-802-3cd-50g-100g-200g-pam4-ethernet\/\">3cd<\/a>)<\/p><\/li><li><p>l\u2019Ethernet 200 G \/ 400 G (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/ieee-802-3bs-200g-400g-ethernet-standard\/\">IEEE 802.3cd Expliqu\u00e9 : 50G, 100G &amp; 200G Ethernet avec PAM4<\/a>)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En bref :<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>L\u2019IEEE 802.3bj marque le point de transition qui a permis les g\u00e9n\u00e9rations modernes d\u2019Ethernet haute vitesse.<\/strong><\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 <strong>Technologies cl\u00e9s introduites par l\u2019IEEE 802.3bj<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >Signalisation \u00e9lectrique \u00e0 25 Gb\/s<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La norme introduit une signalisation 25 G sur une seule voie afin de r\u00e9duire le nombre de voies n\u00e9cessaires pour les liaisons haute vitesse.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Modulation PAM4 (pour KP4)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le 100GBASE-KP4 utilise <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\"><strong>une modulation d\u2019amplitude par impulsions \u00e0 4 niveaux (PAM4)<\/strong><\/a>, am\u00e9liorant l\u2019efficacit\u00e9 spectrale pour fonctionner sur des plans arri\u00e8re \u00e0 pertes plus \u00e9lev\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Correction d\u2019erreurs directe (FEC)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019IEEE 802.3bj d\u00e9finit une correction d\u2019erreurs directe robuste <strong>FEC Reed-Solomon,<\/strong>, essentielle pour compenser les pertes du canal et maintenir <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/understanding-what-is-bit-error-rate\/\">taux d\u2019erreur binaire (BER)<br><\/a> performances.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Exigences am\u00e9lior\u00e9es en mati\u00e8re d\u2019int\u00e9grit\u00e9 du signal<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La norme inclut des sp\u00e9cifications relatives \u00e0 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>la suppression des crosstalk<\/p><\/li><li><p>La perte de retour<\/p><\/li><li><p>la tol\u00e9rance aux gigue<\/p><\/li><li><p>l\u2019\u00e9galisation du canal (DFE, CTLE)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ces am\u00e9liorations ont ouvert la voie \u00e0 la haute vitesse <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/serdes-interfaces-high-speed-data-transfer-and-signal-integrity\/\">SERDES<\/a> utilis\u00e9s dans les commutateurs et les cartes r\u00e9seau (NIC) modernes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 <strong>Types de PHY d\u00e9finis dans l\u2019IEEE 802.3bj<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Voici une r\u00e9partition claire de chaque PHY d\u00e9fini dans la norme :<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 173px;\"\/><col style=\"width: 98px;\"\/><col style=\"width: 144px;\"\/><col style=\"width: 135px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p>Type PHY<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>Speed<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"144\"><p>Support<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"135\"><p>Description<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Utilisation typique<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p><strong>100GBASE-KR4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>100 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"144\"><p>Plan arri\u00e8re<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"135\"><p>4 voies \u00d7 25 G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cartes arri\u00e8re \u00e0 forte densit\u00e9<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p><strong>100GBASE-KP4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>100 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"144\"><p>Plan arri\u00e8re<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"135\"><p>Signalement PAM4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cartes arri\u00e8re \u00e0 forte perte<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p><strong>100GBASE-CR4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>100 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"144\"><p>C\u00e2ble en cuivre twinax<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"135\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/dac-vs-aoc-differences-explained-for-modern-networks\/\">DAC\/AOC<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Commutateurs TOR, interconnexions \u00e0 courte port\u00e9e<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p><strong>40GBASE-CR4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"98\"><p>40 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"144\"><p>C\u00e2ble en cuivre twinax<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"135\"><p>4 voies \u00d7 10 G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Interconnexion cuivre 40 G h\u00e9rit\u00e9e<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 <strong>IEEE 802.3bj contre IEEE 802.3cd contre IEEE 802.3bs<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 158px;\"\/><col style=\"width: 173px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"158\"><p>Fonctionnalit\u00e9<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p>3bj<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/ieee-802-3cd-50g-100g-200g-pam4-ethernet\/\">3cd<\/a><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/ieee-802-3bs-200g-400g-ethernet-standard\/\">IEEE 802.3cd Expliqu\u00e9 : 50G, 100G &amp; 200G Ethernet avec PAM4<\/a><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"158\"><p>Ann\u00e9e de sortie<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p>2014<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2018<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2017<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"158\"><p>Modulation<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p>NRZ \/ PAM4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PAM4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PAM4<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"158\"><p>D\u00e9bit maximal par voie \u00e9lectrique<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p>25G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>50G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>25G<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"158\"><p>Applications<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p>40 G \/ 100 G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>50 G \/ 100 G \/ 200 G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>200G \/ 400G<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"158\"><p>Innovations<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"173\"><p>Premi\u00e8res voies 25 G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Voies 50 G, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/tdecq-pam4-optical-transmitter-quality-metric\/\">TDECQ<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Optique 400 G <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/polarization-mode-dispersion-in-fiber-optics\/\">PMD (Physical Medium Dependent)<\/a><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019IEEE 802.3bj constitue le point de transition fondamental, tandis que les normes 802.3bs\/cd \u00e9tendent les d\u00e9bits et les interfaces optiques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 <strong>Applications pratiques de l\u2019IEEE 802.3bj<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Commutation spine-leaf dans les centres de donn\u00e9es<\/p><\/li><li><p>Cartes arri\u00e8re modulaires \u00e0 forte densit\u00e9<\/p><\/li><li><p>Assemblages de c\u00e2bles en cuivre DAC\/AOC \u00e0 courte port\u00e9e<\/p><\/li><li><p>Connexions serveur vers commutateur top-of-rack (ToR)<\/p><\/li><li><p>Interconnexions ch\u00e2ssis \u00e0 plan m\u00e9dian et carte arri\u00e8re<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Partout o\u00f9 une liaison Ethernet 100 G sur voies \u00e9lectriques est requise, des PHY conformes \u00e0 la norme 802.3bj sont utilis\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 <strong>Comment LINK-PP soutient les d\u00e9ploiements conformes \u00e0 l\u2019IEEE 802.3bj<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92845cfe0c2c4e00bc2140d559936307.webp\" alt=\"SFP+, SFP28, QSFP+, QSFP28 optical transceivers\" class=\"wp-image-3483\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92845cfe0c2c4e00bc2140d559936307.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92845cfe0c2c4e00bc2140d559936307-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92845cfe0c2c4e00bc2140d559936307-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92845cfe0c2c4e00bc2140d559936307-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92845cfe0c2c4e00bc2140d559936307-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP propose une large gamme de <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476023.htm\"><strong>SFP+<\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491665.htm\"><strong>SFP28<\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482749.htm\"><strong>QSFP+<\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491587.htm\"><strong>QSFP28<\/strong><\/a> transceivers optiques et modules en cuivre qui coexistent sans heurt avec des cartes arri\u00e8re ou des commutateurs \u00e9lectriques bas\u00e9s sur la norme 802.3bj.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nos modules compatibles comprennent :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>S\u00e9rie 100 G QSFP28 SR4 \/ LR4 \/ PSM4<\/strong><\/p><\/li><li><p><strong>Solutions SFP et QSFP 10 G \/ 25 G \/ 40 G \/ 100 G<\/strong><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26454-dac-aoc-aec-cables.htm\"><strong>Produits Direct Attach Copper (DAC)<\/strong><\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e9couvrez la gamme de produits ici :<br\/>\ud83d\udd17 https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces modules sont con\u00e7us pour compl\u00e9ter les syst\u00e8mes utilisant des PHY 802.3bj, garantissant une connectivit\u00e9 stable, haute vitesse et optimis\u00e9e sur le plan des co\u00fbts dans les centres de donn\u00e9es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39 <strong>Avantages des syst\u00e8mes conformes \u00e0 l\u2019IEEE 802.3bj<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u2714 Consommation \u00e9nerg\u00e9tique r\u00e9duite<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Par rapport aux liaisons optiques \u00e0 courte port\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u2714 D\u00e9ploiement \u00e9conomique<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les interconnexions bas\u00e9es sur le cuivre r\u00e9duisent les investissements initiaux (CAPEX) pour les commutateurs TOR.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u2714 Haute densit\u00e9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les voies 25 G permettent plus de bande passante par connecteur et par carte arri\u00e8re.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u2714 \u00c9volutivit\u00e9 vers les normes futures<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019architecture identique de voies \u00e9lectriques \u00e9volue vers les d\u00e9bits 100 G \/ 200 G \/ 400 G.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd39<strong>Conclusion<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>IEEE 802.3bj<\/strong> est l\u2019une des normes les plus importantes de l\u2019histoire d\u2019Ethernet. Elle a introduit la technologie de voie \u00e9lectrique 25 G, d\u00e9fini des solutions fiables en cuivre et sur plan de fond pour les d\u00e9bits 100 G\/40 G, et jet\u00e9 les bases de tous les d\u00e9veloppements futurs Ethernet haute vitesse.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les centres de donn\u00e9es modernes adoptant le 100 G et se pr\u00e9parant aux mises \u00e0 niveau vers le 200 G\/400 G, la compr\u00e9hension de la norme 802.3bj est essentielle \u2014 et <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\">LIEN-PP<\/a> propose des solutions de connectivit\u00e9 optique et cuivre enti\u00e8rement compatibles \u00e0 chaque \u00e9tape de cette transition.<\/p>","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez la norme IEEE 802.3bj pour l\u2019Ethernet 100G relative aux interconnexions par plan arri\u00e8re et par c\u00e2ble cuivre. Explorez les technologies PAM4, FEC, les PHY KP4\/KR4\/CR4, ainsi que la mani\u00e8re dont les modules LINK-PP prennent en charge les r\u00e9seaux haute vitesse.<\/p>","protected":false},"author":1,"featured_media":3484,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[19,26],"class_list":["post-3485","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-aoc-dac-cables","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/3485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/comments?post=3485"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/3485\/revisions"}],"predecessor-version":[{"id":10807,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/3485\/revisions\/10807"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media\/3484"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media?parent=3485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/categories?post=3485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/tags?post=3485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}