{"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\/vi\/knowledge-center\/10g-sfp-modules-sff-8431-standard-explained","title":{"rendered":"Gi\u1edbi thi\u1ec7u v\u1ec1 SFF-8431: N\u1ec1n t\u1ea3ng \u0111i\u1ec7n c\u1ee7a c\u00e1c m\u00f4-\u0111un quang SFP+"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>SFF-8431<\/strong> l\u00e0 <strong>Th\u1ecfa thu\u1eadn ngu\u1ed3n chung (Multi-Source Agreement \u2014<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\"><strong>MSA<\/strong><\/a><strong>)<\/strong> \u0111\u1ecbnh ngh\u0129a <strong>giao di\u1ec7n \u0111i\u1ec7n t\u1ed1c \u0111\u1ed9 cao 10 Gb\/s<\/strong> gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ee7 v\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\"><strong>B\u1ed9 thu ph\u00e1t quang SFP+<\/strong><\/a>. Ch\u00ednh th\u1ee9c c\u00f3 t\u00ean l\u00e0 <em>\u201cGiao di\u1ec7n \u0111i\u1ec7n t\u1ed1c \u0111\u1ed9 cao 10 Gb\/s v\u00e0 t\u1ed1c \u0111\u1ed9 th\u1ea5p SFP+\u201d<\/em>, Phi\u00ean b\u1ea3n 4.1 \u0111\u01b0\u1ee3c th\u00f4ng qua v\u00e0o ng\u00e0y <strong>6 th\u00e1ng B\u1ea3y n\u0103m 2009<\/strong>, k\u00e8m theo ph\u1ee5 l\u1ee5c b\u1ed5 sung v\u00e0o th\u00e1ng Ch\u00edn n\u0103m 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\" >V\u00ec sao vi\u1ec7c tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n SFF-8431 l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u0110\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u &amp; t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u<\/strong><br\/>SFF-8431 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i n\u1ed1i ti\u1ebfp \u0111\u00e1ng tin c\u1eady \u1edf t\u1ed1c \u0111\u1ed9 10 Gb\/s (t\u1ed1i \u0111a 11,1 GBd) tr\u00ean c\u00e1c \u0111\u01b0\u1eddng d\u1eabn PCB, th\u00f4ng qua giao di\u1ec7n vi sai 100 \u03a9, gh\u00e9p n\u1ed1i xoay chi\u1ec1u (AC-coupled), \u0111\u01b0\u1ee3c ki\u1ec3m tra tr\u00ean c\u00e1c \u0111\u1ed9 d\u00e0i \u0111\u01b0\u1eddng d\u1eabn x\u00e1c \u0111\u1ecbnh (t\u1ed1i \u0111a kho\u1ea3ng 150\u2013200 mm).<\/p><\/li><li><p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch SFP+ ph\u1ed5 qu\u00e1t<\/strong><br\/>B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n SFF-8431, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">m\u00f4-\u0111un SFP+<\/a> v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ee7 ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch v\u1edbi nhau, h\u1ed7 tr\u1ee3 m\u1ed9t lo\u1ea1t \u1ee9ng d\u1ee5ng Ethernet v\u00e0 Fibre Channel. Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u1ea3 giao di\u1ec7n t\u1ed1c \u0111\u1ed9 cao (k\u00eanh SFI) l\u1eabn giao di\u1ec7n qu\u1ea3n l\u00fd t\u1ed1c \u0111\u1ed9 th\u1ea5p.<\/p><\/li><li><p><strong>X\u1eed l\u00fd t\u00edn hi\u1ec7u ph\u00eda h\u1ec7 th\u1ed1ng ch\u1ee7<\/strong><br\/>Ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u b\u1ed9 khu\u1ebfch \u0111\u1ea1i tr\u01b0\u1edbc (pre-emphasis) v\u00e0 c\u00e2n b\u1eb1ng nh\u1eadn (receive equalization) ph\u00eda h\u1ec7 th\u1ed1ng ch\u1ee7 nh\u1eb1m gi\u1ea3m thi\u1ec3u suy gi\u1ea3m t\u00edn hi\u1ec7u, \u0111\u1ea3m b\u1ea3o bi\u1ec3u \u0111\u1ed3 m\u1eaft (eye diagram) r\u00f5 n\u00e9t v\u00e0 t\u1ef7 l\u1ec7 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/understanding-what-is-bit-error-rate\/\">l\u1ed7i bit th\u1ea5p<\/a>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >C\u00e1c \u0111i\u1ec3m n\u1ed5i b\u1eadt v\u1ec1 k\u1ef9 thu\u1eadt ch\u00ednh<\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p><strong>Tu\u00e2n th\u1ee7 \u1edf t\u1ed1c \u0111\u1ed9 10 Gb\/s<\/strong><br\/>H\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c n\u1ed1i ti\u1ebfp bao g\u1ed3m <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-10g-sr-vs-sfp-10g-lr-key-differences\/\"><strong>10GBASE-SR\/LR<br><\/strong><\/a> v\u00e0 Fibre Channel \u1edf m\u1ee9c <strong>8,5 Gb\/s<\/strong> (FC-PI-4). Cung c\u1ea5p h\u1ed7 tr\u1ee3 t\u00f9y ch\u1ecdn cho c\u00e1c t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u kh\u00e1c.<\/p><\/li><li><p><strong>T\u00edn hi\u1ec7u chu\u1ea9n h\u00f3a<\/strong><br\/>C\u00e1c \u0111\u01b0\u1eddng d\u00e2y vi sai 100 \u03a9 gh\u00e9p n\u1ed1i xoay chi\u1ec1u (AC-coupled), <strong>thi\u1ebft k\u1ebf c\u1eafm n\u00f3ng<\/strong> v\u1edbi c\u00e1c \u0111\u01b0\u1eddng c\u1ea5p ngu\u1ed3n ri\u00eang bi\u1ec7t cho b\u1ed9 ph\u00e1t v\u00e0 b\u1ed9 thu, c\u00f9ng tr\u00ecnh t\u1ef1 c\u1ea5p ngu\u1ed3n ph\u00f9 h\u1ee3p nh\u1eb1m b\u1ea3o v\u1ec7 PCB.<\/p><\/li><li><p><strong>Giao di\u1ec7n gi\u1eefa h\u1ec7 th\u1ed1ng ch\u1ee7 v\u00e0 module (SFI)<\/strong><br\/>Quy \u0111\u1ecbnh c\u00e1c m\u1eabu ki\u1ec3m tra ch\u00ednh x\u00e1c (v\u00ed d\u1ee5: PRBS9), \u0111\u1ed9 m\u00e9o t\u00edn hi\u1ec7u (jitter) v\u00e0 m\u1ee9c t\u00edn hi\u1ec7u. Vi\u1ec7c \u0111\u00e1nh gi\u00e1 tu\u00e2n th\u1ee7 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e1c b\u1ea3ng m\u1ea1ch ki\u1ec3m tra tham chi\u1ebfu \u0111\u00e3 gh\u00e9p n\u1ed1i (mated reference test boards).<\/p><\/li><li><p><strong>Giao di\u1ec7n qu\u1ea3n l\u00fd k\u00eanh ph\u1ee5 t\u1ed1c \u0111\u1ed9 th\u1ea5p<\/strong><br\/>Bao g\u1ed3m c\u00e1c t\u00edn hi\u1ec7u LVTTL nh\u01b0 TX_DISABLE, RX_LOS v\u00e0 giao di\u1ec7n <strong>DOM\/DDM<\/strong> \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi SFF-8472.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" >Module SFP+ LINK-PP: s\u1ef1 tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 v\u00e0 hi\u1ec7u n\u0103ng \u0111\u00e1ng tin c\u1eady<\/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\">D\u00f2ng b\u1ed9 thu ph\u00e1t SFP+ c\u1ee7a LINK-PP\u2014v\u00ed d\u1ee5 nh\u01b0 <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\u0111\u01b0\u1ee3c <strong>tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 MSA SFP+, SFF-8431, SFF-8432,<\/strong> and <strong>v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n IEEE 802.3ae<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>S\u1ef1 tu\u00e2n th\u1ee7 v\u1ec1 giao di\u1ec7n \u0111i\u1ec7n<\/strong><br\/>M\u1ed7i module \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u \u0111i\u1ec7n t\u1ed1c \u0111\u1ed9 cao theo ti\u00eau chu\u1ea9n SFF-8431 \u0111\u1ed1i v\u1edbi t\u00edn hi\u1ec7u 10 Gb\/s, \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng vi sai \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng ch\u1ee7.<\/p><\/li><li><p><strong>Gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c m\u1ea1nh m\u1ebd (<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ddm-dom-in-optical-transceivers\/\"><strong>DOM\/DDM<\/strong><\/a><strong>)<\/strong><br\/>Ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 t\u00edch h\u1ee3p tu\u00e2n th\u1ee7 <strong>Long-distance fiber links<\/strong>, cung c\u1ea5p truy c\u1eadp th\u1eddi gian th\u1ef1c t\u1edbi nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec7n \u00e1p, c\u00f4ng su\u1ea5t quang ph\u00e1t\/nh\u1eadn v\u00e0 nhi\u1ec1u th\u00f4ng s\u1ed1 kh\u00e1c th\u00f4ng qua giao di\u1ec7n I\u00b2C hai d\u00e2y.<\/p><\/li><li><p><strong>Ki\u1ec3m tra m\u1edf r\u1ed9ng &amp; kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c<\/strong><br\/><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/qualitycommitment.htm\">LINK-PP<\/a> ki\u1ec3m tra t\u1eebng module tr\u00ean thi\u1ebft b\u1ecb ch\u1ee7 t\u1ea1i nh\u00e0 m\u00e1y tr\u00ean h\u01a1n 200 n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u1ec1 hi\u1ec7u n\u0103ng v\u00e0 \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t <strong>ti\u00eau chu\u1ea9n SFF-8431<\/strong> v\u00e0 c\u00e1c \u0111\u1eb7c t\u1ea3 li\u00ean quan, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">c\u00e1c module quang SFP+ c\u1ee7a LINK-PP<\/a> mang \u0111\u1ebfn c\u00e1c gi\u1ea3i ph\u00e1p k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao 10 Gb\/s ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 t\u01b0\u01a1ng th\u00edch tuy\u1ec7t v\u1eddi. D\u00f9 trong trung t\u00e2m d\u1eef li\u1ec7u hay m\u1ea1ng vi\u1ec5n th\u00f4ng, vi\u1ec7c l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m LINK-PP tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n SFF-8431 s\u1ebd \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng \u0111\u00e1ng tin c\u1eady v\u00e0 b\u1ea3o v\u1ec7 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c m\u00f4-\u0111un SFP+ c\u1ee7a LINK-PP \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n giao di\u1ec7n \u0111i\u1ec7n SFF-8431, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u 10 Gb\/s, t\u01b0\u01a1ng th\u00edch v\u1edbi thi\u1ebft b\u1ecb ch\u1ee7 v\u00e0 ch\u1ea9n \u0111o\u00e1n th\u1eddi gian th\u1ef1c<\/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\/vi\/wp-json\/wp\/v2\/posts\/5464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=5464"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5464\/revisions"}],"predecessor-version":[{"id":11259,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5464\/revisions\/11259"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5463"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}