{"id":5464,"date":"2025-08-14T00:00:00","date_gmt":"2025-08-14T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/10g-sfp-modules-sff-8431-standard-explained\/"},"modified":"2026-06-22T08:29:37","modified_gmt":"2026-06-22T08:29:37","slug":"10g-sfp-modules-sff-8431-standard-explained","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/10g-sfp-modules-sff-8431-standard-explained","title":{"rendered":"Introduction \u00e0 la norme SFF-8431 : l\u2019infrastructure \u00e9lectrique des modules optiques SFP+"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>SFF-8431<\/strong> des services informatiques sur internet (\u201cle cloud\u201d). Au lieu de poss\u00e9der et de maintenir des centres de donn\u00e9es et des serveurs physiques, vous louez l'acc\u00e8s \u00e0 tout ce que vous voulez, de l'application et de la stockage \u00e0 la puissance de calcul et au r\u00e9seau, d'un fournisseur de services cloud (comme <strong>Accord multi-fournisseur (<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/multi-source-agreements-optical-transceivers\/\"><strong>MSA<\/strong><\/a><strong>)<\/strong> d\u00e9finissant l\u2019 <strong>interface \u00e9lectrique haute vitesse de 10 Gb\/s<\/strong> entre les syst\u00e8mes h\u00f4tes et <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\"><strong>les \u00e9metteurs-r\u00e9cepteurs optiques SFP+<\/strong><\/a>. Intitul\u00e9e officiellement <em>\u201c Interface \u00e9lectrique SFP+ de 10 Gb\/s et basse vitesse \u201d<\/em>, la r\u00e9vision 4.1 a \u00e9t\u00e9 ratifi\u00e9e le <strong>6 juillet 2009<\/strong>, avec un addendum en septembre 2013.<\/p>\n\n\n\n<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\/c4c38073152443d1a4d6cfe2704efc27.webp\" alt=\"SFF-8431 Standard for 10G SFP+ Moduls\" class=\"wp-image-5461\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c4c38073152443d1a4d6cfe2704efc27.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c4c38073152443d1a4d6cfe2704efc27-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c4c38073152443d1a4d6cfe2704efc27-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c4c38073152443d1a4d6cfe2704efc27-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c4c38073152443d1a4d6cfe2704efc27-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >Pourquoi la conformit\u00e9 \u00e0 la norme SFF-8431 est essentielle<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Int\u00e9grit\u00e9 du signal et d\u00e9bits de donn\u00e9es<\/strong><br\/>La norme SFF-8431 garantit une connectivit\u00e9 s\u00e9rie fiable \u00e0 10 Gb\/s (jusqu\u2019\u00e0 11,1 GBd) sur les pistes de circuit imprim\u00e9, via une interface diff\u00e9rentielle de 100 \u03a9 \u00e0 couplage alternatif, test\u00e9e sur des longueurs de piste d\u00e9finies (jusqu\u2019\u00e0 environ 150\u2013200 mm).<\/p><\/li><li><p><strong>Compatibilit\u00e9 universelle SFP+<\/strong><br\/>En se conformant \u00e0 la norme SFF-8431, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">Modules SFP+<\/a> et les syst\u00e8mes h\u00f4tes interop\u00e8rent sans heurts, prenant en charge une large gamme d\u2019applications Ethernet et Fibre Channel. Elle sp\u00e9cifie \u00e0 la fois les interfaces de gestion haute vitesse (canal SFI) et basse vitesse.<\/p><\/li><li><p><strong>Conditionnement du signal c\u00f4t\u00e9 h\u00f4te<\/strong><br\/>La norme exige un pr\u00e9accentuation c\u00f4t\u00e9 h\u00f4te et une \u00e9galisation en r\u00e9ception afin d\u2019att\u00e9nuer la d\u00e9gradation du signal, garantissant des diagrammes d\u2019\u0153il propres et de faibles <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/understanding-what-is-bit-error-rate\/\">taux d\u2019erreur binaire<\/a>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >Points techniques cl\u00e9s<\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><strong>Conformit\u00e9 \u00e0 10 Gb\/s<\/strong><br\/>Prend en charge des protocoles s\u00e9rie, notamment <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/knowledge-center\/sfp-10g-sr-vs-sfp-10g-lr-key-differences\/\"><strong>10GBASE-SR\/LR<\/strong><\/a> et Fibre Channel \u00e0 <strong>8,5 Gb\/s<br><\/strong> (FC-PI-4). Offre une prise en charge optionnelle d\u2019autres d\u00e9bits de donn\u00e9es.<\/p><\/li><li><p><strong>Signalisation normalis\u00e9e<\/strong><br\/>Lignes diff\u00e9rentielles de 100 \u03a9 \u00e0 couplage alternatif, <strong>interchangeables \u00e0 chaud<\/strong> avec des rails d\u2019alimentation d\u00e9di\u00e9s pour l\u2019\u00e9metteur et le r\u00e9cepteur, dot\u00e9s d\u2019une s\u00e9quence appropri\u00e9e afin de prot\u00e9ger le circuit imprim\u00e9.<\/p><\/li><li><p><strong>Interface h\u00f4te\u2013module (SFI)<\/strong><br\/>D\u00e9finit des motifs de test pr\u00e9cis (par exemple PRBS9), des crit\u00e8res de gigue et des niveaux de signal. La conformit\u00e9 est mesur\u00e9e \u00e0 l\u2019aide de cartes de test de r\u00e9f\u00e9rence appari\u00e9es.<\/p><\/li><li><p><strong>Gestion par canal lat\u00e9ral basse vitesse<\/strong><br\/>Inclut des signaux LVTTL tels que TX_DISABLE, RX_LOS et une interface <strong>DOM\/DDM<\/strong> g\u00e9r\u00e9e par la norme SFF-8472.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" >Modules SFP+ LINK-PP : conformit\u00e9 compl\u00e8te et performances fiables<\/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\/89f7eaab29b94a98b2e9dd7e1dde55fc.webp\" alt=\"LINK-PP 10G SFP+ Modules\" class=\"wp-image-5462\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89f7eaab29b94a98b2e9dd7e1dde55fc.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89f7eaab29b94a98b2e9dd7e1dde55fc-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89f7eaab29b94a98b2e9dd7e1dde55fc-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89f7eaab29b94a98b2e9dd7e1dde55fc-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89f7eaab29b94a98b2e9dd7e1dde55fc-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La gamme d\u2019\u00e9metteurs-r\u00e9cepteurs SFP+ de LINK-PP \u2014 tels que le <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>LS-MM8510-S3C<\/strong><\/a><strong> 10GBASE-SR<\/strong> and <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\"><strong>LS-SM3110-10C<\/strong><\/a><strong> 10GBASE-LR<\/strong>\u2014 est <strong>enti\u00e8rement conforme aux accords multi-fournisseurs SFP+, aux normes SFF-8431, SFF-8432,<\/strong> and <strong>et aux normes IEEE 802.3ae<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Conformit\u00e9 de l\u2019interface \u00e9lectrique<\/strong><br\/>Chaque module satisfait aux exigences \u00e9lectriques haute vitesse de la norme SFF-8431 pour la signalisation \u00e0 10 Gb\/s, garantissant des performances diff\u00e9rentielles propres et l\u2019interop\u00e9rabilit\u00e9 avec les syst\u00e8mes h\u00f4tes.<\/p><\/li><li><p><strong>Surveillance robuste en temps r\u00e9el (<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/fr\/glossary\/ddm-dom-in-optical-transceivers\/\"><strong>DOM\/DDM<\/strong><\/a><strong>)<\/strong><br\/>Diagnostics num\u00e9riques int\u00e9gr\u00e9s conformes \u00e0 la <strong>SFF-8472<\/strong>, offrant un acc\u00e8s en temps r\u00e9el \u00e0 la temp\u00e9rature, \u00e0 la tension, \u00e0 la puissance optique d\u2019\u00e9mission et de r\u00e9ception, et bien plus encore, via une interface I\u00b2C \u00e0 deux fils.<\/p><\/li><li><p><strong>Tests approfondis et interop\u00e9rabilit\u00e9<\/strong><br\/><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/qualitycommitment.htm\">LIEN-PP<\/a> teste chaque module sur des \u00e9quipements h\u00f4tes en usine, sur plus de 200 plateformes de fournisseurs, afin de garantir la fiabilit\u00e9 des performances et l\u2019int\u00e9grit\u00e9 du signal.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En respectant strictement la <strong>norme SFF-8431<\/strong> et ses sp\u00e9cifications connexes, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">les modules optiques SFP+ de LINK-PP<\/a> offrent des solutions de connectivit\u00e9 haute vitesse de 10 Gb\/s de haute qualit\u00e9 et hautement compatibles. Que ce soit dans les centres de donn\u00e9es ou les r\u00e9seaux de t\u00e9l\u00e9communications, choisir des produits LINK-PP conformes \u00e0 la norme SFF-8431 garantit des performances fiables et prot\u00e8ge votre infrastructure r\u00e9seau.<\/p>","protected":false},"excerpt":{"rendered":"<p>D\u00e9couvrez comment les modules SFP+ de LINK-PP r\u00e9pondent \u00e0 la norme d\u2019interface \u00e9lectrique SFF-8431, garantissant l\u2019int\u00e9grit\u00e9 du signal \u00e0 10 Gb\/s, la compatibilit\u00e9 avec les syst\u00e8mes h\u00f4tes et des diagnostics en temps r\u00e9el<\/p>","protected":false},"author":1,"featured_media":5463,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[14,26],"class_list":["post-5464","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-10g-sfp-transceivers","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5464","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=5464"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5464\/revisions"}],"predecessor-version":[{"id":11259,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/posts\/5464\/revisions\/11259"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media\/5463"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/media?parent=5464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/categories?post=5464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/fr\/wp-json\/wp\/v2\/tags?post=5464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}