{"id":5341,"date":"2025-08-26T00:00:00","date_gmt":"2025-08-26T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/850nm-optical-transceivers-for-short-reach-mmf-transmission\/"},"modified":"2026-06-22T08:08:50","modified_gmt":"2026-06-22T08:08:50","slug":"850nm-optical-transceivers-for-short-reach-mmf-transmission","status":"publish","type":"post","link":"https:\/\/resources.l-p.com\/fr\/knowledge-center\/850nm-optical-transceivers-for-short-reach-mmf-transmission","title":{"rendered":"Transceivers optiques 850 nm : la meilleure solution pour la transmission sur fibre multimode \u00e0 courte port\u00e9e"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7aea2a250f924d8f907092a83d63a34c-1024x608.webp\" alt=\"850nm Optical Transceivers: The Best Solution for Short-Reach Multimode Fiber Transmission\" class=\"wp-image-5339\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7aea2a250f924d8f907092a83d63a34c-1024x608.webp 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7aea2a250f924d8f907092a83d63a34c-300x178.webp 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7aea2a250f924d8f907092a83d63a34c-768x456.webp 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7aea2a250f924d8f907092a83d63a34c-18x12.webp 18w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7aea2a250f924d8f907092a83d63a34c.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1. Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans les centres de donn\u00e9es modernes et les r\u00e9seaux d\u2019entreprise, <strong>les connexions \u00e0 courte port\u00e9e<\/strong> repr\u00e9sentent la majorit\u00e9 des liaisons optiques. Pour ces sc\u00e9narios, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-850nm.htm\"><strong>les transceivers optiques 850 nm <\/strong><\/a><strong>combin\u00e9s \u00e0 la fibre multimode (MMF)<\/strong> sont devenus la solution la plus rentable et la plus largement adopt\u00e9e. Tirant parti de la technologie <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/fr\/glossary\/overview-of-vcsel\/\">Les lasers<\/a> (laser \u00e9metteur vertical \u00e0 cavit\u00e9 r\u00e9sonante), les modules 850 nm offrent une faible consommation \u00e9nerg\u00e9tique, une forte compatibilit\u00e9 et des performances \u00e9lev\u00e9es sur des distances allant jusqu\u2019\u00e0 plusieurs centaines de m\u00e8tres.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi choisir la longueur d\u2019onde 850 nm ?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Norme industrielle<\/strong>: Les normes IEEE 802.3 telles que <a href=\"https:\/\/www.l-p.com\/products\/475415.htm\" target=\"_blank\" rel=\"\">10GBASE-SR<\/a>, <a href=\"https:\/\/www.l-p.com\/products\/482754.htm\" target=\"_blank\" rel=\"\">40GBASE-SR4<\/a>, <a href=\"https:\/\/www.l-p.com\/products\/473115.htm\" target=\"_blank\" rel=\"\">100GBASE-SR4<\/a>, et 400GBASE-SR8 sont toutes d\u00e9finies \u00e0 la longueur d\u2019onde <strong>Longueur d\u2019onde 850 nm<\/strong>.<\/p><\/li>\n\n\n\n<li><p><strong>Technologie VCSEL<\/strong>: Les modules 850 nm reposent sur des lasers VCSEL, qui sont peu co\u00fbteux \u00e0 fabriquer, \u00e9conomes en \u00e9nergie et largement utilis\u00e9s dans la production \u00e0 grande \u00e9chelle.<\/p><\/li>\n\n\n\n<li><p><strong>Ad\u00e9quation parfaite avec la MMF<\/strong>: Optimis\u00e9s pour les fibres multimodes OM3, OM4 et OM5, les modules 850 nm garantissent une transmission fiable \u00e0 courte port\u00e9e aux d\u00e9bits de 10 G, 40 G, 100 G, voire 400 G.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Types et applications typiques des modules 850 nm<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">SFP \/<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\">SFP+ SR<\/a> Choisissez des modules SFP de grade industriel si<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>D\u00e9bit de donn\u00e9es : 1 G \/ 10 G<\/p><\/li>\n\n\n\n<li><p>Distance de transmission : jusqu\u2019\u00e0 300 m (OM3) ou 400\u2013550 m (OM4)<\/p><\/li>\n\n\n\n<li><p>Applications typiques : r\u00e9seaux locaux d\u2019entreprise (LAN), r\u00e9seaux universitaires<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482749.htm\">QSFP+ SR4<br><\/a> and <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473115.htm\">QSFP28 SR4<\/a> Choisissez des modules SFP de grade industriel si<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>D\u00e9bit de donn\u00e9es : 40 G (4\u00d710 G) \/ 100 G (4\u00d725 G)<\/p><\/li>\n\n\n\n<li><p>Distance de transmission : 100 m (OM3) \/ 150 m (OM4)<\/p><\/li>\n\n\n\n<li><p>Applications typiques : connexions entre armoires et couches d\u2019agr\u00e9gation dans les centres de donn\u00e9es<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Modules 400G QSFP-DD SR8<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>D\u00e9bit de donn\u00e9es : 400 G (8\u00d750 G)<\/p><\/li>\n\n\n\n<li><p>Distance de transmission : 70\u2013100 m (OM3\/OM4)<\/p><\/li>\n\n\n\n<li><p>Applications typiques : centres de donn\u00e9es hyperscalables de nouvelle g\u00e9n\u00e9ration<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Association des modules 850 nm avec la fibre multimode<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 124px;\"\/><col style=\"width: 187px;\"\/><col style=\"width: 208px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"124\"><p>Fiber Type<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"187\"><p>10G SFP+ SR<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"208\"><p>40G\/100G SR4<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>400G SR8<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"124\"><p><strong>OM3<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"187\"><p>\u2264 300 m<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"208\"><p>\u2264 100 m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2264 70 m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"124\"><p><strong>OM4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"187\"><p>\u2264 400\u2013550 m<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"208\"><p>\u2264 150 m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2264 100 m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"124\"><p><strong>OM5<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"187\"><p>Optimis\u00e9 pour la plage 850\u2013950 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"208\"><p>Prend en charge une transmission parall\u00e8le accrue<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u00e9ploiement \u00e9mergent<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>OM3<\/strong>: Option rentable pour les liaisons courtes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OM4<\/strong>: Port\u00e9e \u00e9tendue jusqu\u2019\u00e0 550 m \u00e0 10 G, largement d\u00e9ploy\u00e9e dans les centres de donn\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OM5<\/strong>: Nouvelle fibre large bande <a href=\"https:\/\/resources.l-p.com\/fr\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\" target=\"_blank\" rel=\"\">multimode fiber<\/a> con\u00e7ue pour les modules SR4\/SR8 haute vitesse.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Avantages et limites des modules 850 nm<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 <strong>Advantages<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Co\u00fbt inf\u00e9rieur \u00e0 celui des modules monomodes 1310 nm<\/p><\/li>\n\n\n\n<li><p>Faible consommation \u00e9nerg\u00e9tique et conception compacte<\/p><\/li>\n\n\n\n<li><p>Proc\u00e9d\u00e9 de fabrication mature et forte interop\u00e9rabilit\u00e9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u274c <strong>Limitations<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Port\u00e9e maximale typique \u2264 550 m<\/p><\/li>\n\n\n\n<li><p>La distance diminue aux d\u00e9bits plus \u00e9lev\u00e9s (par ex. 100 G \/ 400 G)<\/p><\/li>\n\n\n\n<li><p>Non adapt\u00e9 aux r\u00e9seaux longue distance ou m\u00e9tropolitains (&gt; 2 km)<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Solutions de transceivers optiques LINK-PP 850 nm<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/232b7321cb3d408082118a0438d49266.webp\" alt=\"LINK-PP 850 nm Optical Transceiver\" class=\"wp-image-5340\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/232b7321cb3d408082118a0438d49266.webp 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/232b7321cb3d408082118a0438d49266-300x178.webp 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/232b7321cb3d408082118a0438d49266-1024x608.webp 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/232b7321cb3d408082118a0438d49266-768x456.webp 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/232b7321cb3d408082118a0438d49266-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP propose un portefeuille complet de <strong>modules optiques 850 nm \u00e0 courte port\u00e9e<\/strong>, con\u00e7us pour les centres de donn\u00e9es, les r\u00e9seaux d\u2019entreprise et les environnements de stockage :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/475415.htm\" target=\"_blank\" rel=\"\"><strong>Transceivers 10G SFP+ SR<\/strong><\/a> \u2013 Jusqu\u2019\u00e0 300\u2013550 m sur OM3\/OM4<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/482754.htm\" target=\"_blank\" rel=\"\"><strong>Transceivers 40G QSFP+ SR4<\/strong><\/a> \u2013 Jusqu\u2019\u00e0 100\u2013150 m sur OM3\/OM4<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/473115.htm\" target=\"_blank\" rel=\"\"><strong>Transceivers 100G QSFP28 SR4<\/strong><\/a> \u2013 Transmission parall\u00e8le haute performance jusqu\u2019\u00e0 150 m<\/p><\/li>\n\n\n\n<li><p><strong>Transceivers 400G QSFP-DD SR8<\/strong> \u2013 Solutions de nouvelle g\u00e9n\u00e9ration \u00e0 courte port\u00e9e pour les r\u00e9seaux hyperscalables<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Tous les transceivers LINK-PP sont <strong>enti\u00e8rement conformes aux normes IEEE 802.3<\/strong>, prennent en charge<br> <strong>low power consumption<\/strong>, et sont <strong>test\u00e9s pour leur compatibilit\u00e9 multi-fournisseurs<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccc <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">D\u00e9couvrir les produits transceivers optiques LINK-PP<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Longueur d\u2019onde 850 nm<\/strong> reste le choix le plus fiable et le plus rentable pour <strong>les connexions \u00e0 courte port\u00e9e sur fibre multimode<\/strong>. Gr\u00e2ce au soutien robuste de la technologie VCSEL et \u00e0 sa compatibilit\u00e9 \u00e9tendue avec les fibres OM3\/OM4\/OM5, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-850nm.htm\">les transceivers optiques 850 nm<\/a> continuent de dominer les interconnexions de centres de donn\u00e9es. \u00c0 l\u2019avenir, les modules SR \u00e0 100 G, 400 G et au-del\u00e0 assureront un r\u00f4le essentiel \u00e0 la technologie 850 nm dans les r\u00e9seaux haute vitesse.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Questions fr\u00e9quentes (FAQ)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q1 : Quelle est la distance maximale de transmission d\u2019un transceiver 850 nm ?<\/strong><br>R : G\u00e9n\u00e9ralement jusqu\u2019\u00e0 550 m sur fibre OM4 \u00e0 10 G, et environ 100\u2013150 m \u00e0 40 G \/ 100 G.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q2 : Pourquoi les transceivers 850 nm sont-ils moins chers que les modules 1310 nm ?<\/strong><br>R : Ils utilisent des lasers VCSEL, qui sont \u00e9conomiques, \u00e9conomes en \u00e9nergie et faciles \u00e0 produire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Q3 : O\u00f9 les modules 850 nm sont-ils le plus couramment utilis\u00e9s ?<\/strong><br>R : Connexions entre armoires dans les centres de donn\u00e9es, r\u00e9seaux locaux d\u2019entreprise (LAN) et r\u00e9seaux de stockage.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les modules optiques 850 nm 10GBASE-SR, 40GBASE-SR4, 100GBASE-SR4 et 400GBASE-SR8 constituent le choix le plus fiable et le plus \u00e9conomique pour les liaisons \u00e0 courte port\u00e9e sur fibre multimode.<\/p>","protected":false},"author":1,"featured_media":5339,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5341","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/posts\/5341","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/comments?post=5341"}],"version-history":[{"count":4,"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/posts\/5341\/revisions"}],"predecessor-version":[{"id":11222,"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/posts\/5341\/revisions\/11222"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/media\/5339"}],"wp:attachment":[{"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/media?parent=5341"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/categories?post=5341"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resources.l-p.com\/fr\/wp-json\/wp\/v2\/tags?post=5341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}