{"id":5201,"date":"2025-09-05T00:00:00","date_gmt":"2025-09-05T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/uncategorized\/1550nm-optical-transceiver-transmission-distances\/"},"modified":"2026-06-22T07:43:10","modified_gmt":"2026-06-22T07:43:10","slug":"1550nm-optical-transceiver-transmission-distances","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/fr\/products\/1550nm-optical-transceiver-transmission-distances","title":{"rendered":"Jusqu\u2019\u00e0 quelle distance les transceivers 1550 nm peuvent-ils transmettre sur fibre monomode ?"},"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\/8b37d5fa99f24795aadd317676a8872e.webp\" alt=\"Long-Haul 1550nm Modules\" class=\"wp-image-5198\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b37d5fa99f24795aadd317676a8872e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b37d5fa99f24795aadd317676a8872e-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b37d5fa99f24795aadd317676a8872e-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b37d5fa99f24795aadd317676a8872e-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8b37d5fa99f24795aadd317676a8872e-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Lors de la conception de r\u00e9seaux en fibre optique, il est essentiel de conna\u00eetre la distance maximale \u00e0 laquelle un <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-1550nm_optical_transceiver-page4.htm\"><strong>\u00e9metteur-r\u00e9cepteur 1550 nm<\/strong><\/a> peut transmettre. Cette longueur d\u2019onde offre une faible att\u00e9nuation, ce qui la rend id\u00e9ale pour les liaisons m\u00e9tropolitaines et \u00e0 tr\u00e8s longue distance. Cet article explore les distances de transmission typiques, les principaux facteurs qui les influencent, et pr\u00e9sente des <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/478355.htm\">Les modules LINK-PP<br><\/a> con\u00e7us pour une port\u00e9e \u00e9tendue.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Distances de transmission typiques pour les modules 1550 nm<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work\/\">monomode (SMF)<\/a>, les \u00e9metteurs-r\u00e9cepteurs 1550 nm prennent couramment en charge des distances de transmission comprises entre <strong>40 km, 80 km et 120 km<\/strong>, et, dans des conditions optimales, jusqu\u2019\u00e0 <strong>160 km<\/strong>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Par exemple, les modules Gigabit Ethernet grand public portant la d\u00e9signation \u201c ZX \u201d revendiquent souvent une port\u00e9e de <strong>80 km \u00e0 120 km.<\/strong> Les versions \u00e0 tr\u00e8s longue distance d\u00e9passant 120 km sont moins courantes, mais r\u00e9alisables avec une fibre de haute qualit\u00e9 et une conception rigoureuse du syst\u00e8me.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Facteurs influen\u00e7ant la distance de transmission<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Plusieurs facteurs importants influencent la distance maximale parcourue par un signal 1550 nm :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Att\u00e9nuation de la fibre<\/strong>: La fibre monomode (SMF) pr\u00e9sente une perte tr\u00e8s faible \u00e0 1550 nm (~0,2 dB\/km), permettant des tron\u00e7ons longs avec une d\u00e9gradation minimale du signal.<\/p><\/li><li><p><strong>Puissance d\u2019\u00e9mission et sensibilit\u00e9 du r\u00e9cepteur<\/strong>: Les modules dot\u00e9s d\u2019une puissance de sortie plus \u00e9lev\u00e9e et de r\u00e9cepteurs plus sensibles peuvent \u00e9tendre la port\u00e9e.<\/p><\/li><li><p><strong>Qualit\u00e9 de la fibre et \u00e9pissures<\/strong>: Chaque connecteur, \u00e9pissure ou courbure introduit des pertes, r\u00e9duisant la distance pratique.<\/p><\/li><li><p><strong>Utilisation de <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/erbium-doped-fiber-amplifier-optical-networks\/\"><strong>EDFA <\/strong><\/a><strong>ou de DWDM<\/strong>: L\u2019amplification ou la multiplexion des signaux peut encore \u00e9tendre la port\u00e9e, notamment sur des liaisons tr\u00e8s longues.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >R\u00e9f\u00e9rences standard Ethernet<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476054.htm\"><strong>10GBASE-ER<\/strong> \u00e9metteurs-r\u00e9cepteurs<\/a> fonctionnent \u00e0 1550 nm et sont sp\u00e9cifi\u00e9s pour environ <strong>40 km<\/strong> sur une SMF soigneusement dimensionn\u00e9e, ou <strong>~30 km<\/strong> sur une fibre standard.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476089.htm\"><strong>10GBASE-ZR<\/strong> mod\u00e8les<\/a>\u2014 bien qu\u2019ils ne soient pas conformes aux normes IEEE \u2014 sont couramment con\u00e7us pour atteindre <strong>80 km<\/strong> sur une fibre de haute qualit\u00e9. <\/p><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Ces r\u00e9f\u00e9rences industrielles aident \u00e0 d\u00e9finir les attentes relatives aux optiques modernes 1550 nm.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" >Exemples de produits LINK-PP \u00e0 tr\u00e8s longue port\u00e9e<\/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\/b83995dd692d492f8d12ac8e4faa32d1.webp\" alt=\"LINK-PP Long-Reach Optical Transceiver\" class=\"wp-image-5199\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b83995dd692d492f8d12ac8e4faa32d1.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b83995dd692d492f8d12ac8e4faa32d1-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b83995dd692d492f8d12ac8e4faa32d1-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b83995dd692d492f8d12ac8e4faa32d1-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b83995dd692d492f8d12ac8e4faa32d1-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Voici des produits LINK-PP con\u00e7us pour des distances \u00e9tendues :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476868.htm\"><strong>LS-SM551G-80I <\/strong><\/a><strong>(1,25 Gbps, 80 km)<\/strong>: SFP industriel avec prise en charge DOM, connecteurs duplex LC, optimis\u00e9 pour la SMF \u00e0 1550 nm.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476870.htm\"><strong>LS-SM551G-A0C<\/strong><\/a><strong> (1,25 Gbps, 100 km)<\/strong>: Compatible avec Arista et d\u2019autres syst\u00e8mes, offrant des performances \u00e0 tr\u00e8s longue distance avec DOM et connectivit\u00e9 LC.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/478317.htm\"><strong>LS-SM5501-A2I <\/strong><\/a><strong>(155 Mbps, 120 km)<\/strong>: SFP industriel pouvant atteindre jusqu\u2019\u00e0 120 km, dot\u00e9 de DOM et d\u2019un laser DFB. <\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/478355.htm\"><strong><u>LS-SM551G-A6I<\/u><\/strong><\/a><strong> (SFP, 160 km)<\/strong>: modules haute performance et \u00e9conomiques prenant en charge un d\u00e9bit de 1,25 Gbps et une distance de transmission de 160 km sur SMF.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >Tableau comparatif rapide<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 196px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"196\"><p\/><p>Plage de distance<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Cas d\u2019utilisation typique<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Module recommand\u00e9 LINK-PP<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"196\"><p><strong>Jusqu\u2019\u00e0 80 km<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Liaisons dorsales m\u00e9tropolitaines ou campus<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LS-SM551G-80I (1,25 Gbps, 80 km)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"196\"><p><strong>Jusqu\u2019\u00e0 100 km<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Applications r\u00e9gionales ou \u00e0 tr\u00e8s longue distance<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LS-SM551G-A0C (1,25 Gbps, 100 km) <\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"196\"><p><strong>Up to 120km<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Port\u00e9e \u00e9tendue, environnements industriels<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LS-SM5501-A2I (155 Mbps, 120 km)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"196\"><p><strong>Jusqu\u2019\u00e0 120 km (BiDi)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Liaisons longues avec \u00e9conomie de fibre<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/478906.htm\">LS-BL55491G-A2I<\/a> BiDi (1 Gbps, 120 km) <\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"196\"><p><strong>Jusqu\u2019\u00e0 160 km<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Liaisons ultra-longues dans des conditions id\u00e9ales<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u00e9lectionnez <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/478355.htm\">Les modules LINK-PP<br><\/a> sp\u00e9cifi\u00e9 pour 160 km <\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For <strong>\u00c9metteurs-r\u00e9cepteurs 1550 nm sur fibre monomode<\/strong>, la port\u00e9e typique varie de <strong>80 km<\/strong> to <strong>120 km<\/strong>, avec des modules sp\u00e9cialis\u00e9s capables d\u2019atteindre <strong>160 km<\/strong> dans des conditions optimales. Des facteurs tels que la qualit\u00e9 de la fibre, le budget de puissance et la conception du syst\u00e8me affectent directement les performances. LINK-PP propose une gamme compl\u00e8te d\u2019\u00e9metteurs-r\u00e9cepteurs \u00e0 tr\u00e8s longue port\u00e9e \u2014 allant de modules certifi\u00e9s 80 km \u00e0 160 km \u2014 avec une fiabilit\u00e9 de niveau industriel. <\/p>\n\n\n\n<div><div widgetid=\"c7308864405a11f099380a58fbc66727\" format=\"embedded\" data-widget-id=\"c7308864405a11f099380a58fbc66727\" data-mode=\"production.zh\" style=\"display: block;\"><\/div><\/div>\n\n\n\n<script src=\"https:\/\/cdn.mylandingpages.co\/widgets\/platform\/platform.widget.js\" async=\"true\"><\/script>","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez jusqu\u2019\u00e0 quelle distance les transceivers optiques 1550 nm peuvent transmettre sur fibre monomode \u2014 jusqu\u2019\u00e0 160 km. D\u00e9couvrez les mod\u00e8les LINK-PP con\u00e7us pour les applications longue distance.<\/p>","protected":false},"author":1,"featured_media":5200,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[26],"class_list":["post-5201","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5201","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=5201"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5201\/revisions"}],"predecessor-version":[{"id":11177,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5201\/revisions\/11177"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media\/5200"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media?parent=5201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/categories?post=5201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/tags?post=5201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}