{"id":5676,"date":"2025-07-28T00:00:00","date_gmt":"2025-07-28T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/sfp-transceivers-basics-network-engineer-must-know\/"},"modified":"2026-06-22T08:47:13","modified_gmt":"2026-06-22T08:47:13","slug":"sfp-transceivers-basics-network-engineer-must-know","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-transceivers-basics-network-engineer-must-know","title":{"rendered":"SFP Transceiver Basics: Nh\u1eefng \u0111i\u1ec1u m\u00e0 m\u1ecdi k\u1ef9 s\u01b0 m\u1ea1ng n\u00ean bi\u1ebft"},"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\/6fb87d5239cb4625a25b054984e71741.jpg\" alt=\"SFP Transceiver Basics: What Every Network Engineer Should Know\" class=\"wp-image-5673\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb87d5239cb4625a25b054984e71741.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb87d5239cb4625a25b054984e71741-300x178.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb87d5239cb4625a25b054984e71741-1024x608.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb87d5239cb4625a25b054984e71741-768x456.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6fb87d5239cb4625a25b054984e71741-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >SFP Transceiver l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>SFP (Small Form\u2011factor Pluggable)<\/strong> transceiver l\u00e0 m\u1ed9t m\u00f4-\u0111un nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng, c\u1eafm v\u00e0o switch, router ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n. N\u00f3 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n sang t\u00edn hi\u1ec7u quang (ho\u1eb7c \u0111\u1ed3ng) v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. M\u1ed9t <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">B\u1ed9 thu ph\u00e1t SFP<\/a> ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t transceiver quang nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng, k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb m\u1ea1ng c\u1ee7a b\u1ea1n v\u1edbi c\u00e1p quang ho\u1eb7c c\u00e1p \u0111\u1ed3ng. \u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n (MSA, v\u00ed d\u1ee5 INF\u20118074i), SFP h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c Gigabit Ethernet, Fiber Channel v\u00e0 SONET\/SDH.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >T\u1ea1i sao SFP quan tr\u1ecdng trong m\u1ea1ng<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: D\u1ec5 d\u00e0ng n\u00e2ng c\u1ea5p ho\u1eb7c thay \u0111\u1ed5i c\u1ed5ng m\u00e0 kh\u00f4ng c\u1ea7n ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p><\/li><li><p><strong>M\u1eadt \u0111\u1ed9 c\u1ed5ng cao<\/strong>: Nhi\u1ec1u k\u1ebft n\u1ed1i h\u01a1n tr\u00ean m\u1ed7i switch nh\u1edd k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn.<\/p><\/li><li><p><strong>Ti\u1ebft ki\u1ec7m chi ph\u00ed<\/strong>: S\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t gi\u00fap gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c m\u00f4-\u0111un c\u0169 nh\u01b0 GBIC ho\u1eb7c XFP.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >C\u00e1c lo\u1ea1i &amp; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng: L\u1ef1a ch\u1ecdn SFP ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/difference-between-fibers-single-mode-vs-multimode-guide\/\"><strong>C\u00e1p quang \u0111a ch\u1ebf \u0111\u1ed9 v\u00e0 \u0111\u01a1n ch\u1ebf \u0111\u1ed9<\/strong><\/a>:<\/p><ul><li><p><em>Ph\u1ea1m vi ng\u1eafn<\/em> (v\u00ed d\u1ee5: 850\u202fnm SX MMF l\u00ean \u0111\u1ebfn ~550\u202fm);<\/p><\/li><li><p><em>Ph\u1ea1m vi d\u00e0i<\/em> (v\u00ed d\u1ee5: 1310\u202fnm LX l\u00ean \u0111\u1ebfn ~20\u202fkm, EX ~40\u202fkm, ZX ~80\u202fkm).<\/p><\/li><\/ul><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/understanding-copper-sfp-modules-networking\/\"><strong>M\u00f4-\u0111un SFP \u0111\u1ed3ng<\/strong><\/a>: S\u1eed d\u1ee5ng RJ\u201145 cho Ethernet qua c\u00e1p \u0111\u1ed3ng (t\u1ed1i \u0111a ~100\u202fm), ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u \u0111i d\u00e2y ng\u1eafn.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/difference-between-sfp-and-sfp-plus-transceivers\/\"><strong>SFP so v\u1edbi SFP+<\/strong><\/a><strong> v\u00e0 c\u00e1c chu\u1ea9n kh\u00e1c<\/strong>:<\/p><ul><li><p><em>SFP<\/em>: T\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a ~1\u202fGb\/s;<\/p><\/li><li><p><em>SFP+<\/em>: H\u1ed7 tr\u1ee3 10\u202fGb\/s; c\u00e1c chu\u1ea9n kh\u00e1c nh\u01b0 SFP28 hay QSFP ph\u00e1t tri\u1ec3n cho t\u1ed1c \u0111\u1ed9 cao h\u01a1n.<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >T\u01b0\u01a1ng th\u00edch &amp; Ti\u00eau chu\u1ea9n: Tr\u00e1nh c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>C\u00e1c m\u00f4-\u0111un tu\u00e2n th\u1ee7 MSA<\/strong> \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t v\u1eadt l\u00fd v\u00e0 \u0111i\u1ec7n gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p.<\/p><\/li><li><p>Ki\u1ec3m tra <strong>v\u1ea5n \u0111\u1ec1 kh\u00f3a nh\u00e0 cung c\u1ea5p<\/strong>: m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i c\u00e1c module quang kh\u00f4ng ph\u1ea3i OEM, ngay c\u1ea3 khi ch\u00fang tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n.<\/p><\/li><li><p>\u0110\u1ea3m b\u1ea3o <strong>lo\u1ea1i, b\u01b0\u1edbc s\u00f3ng v\u00e0 lo\u1ea1i c\u00e1p quang ph\u1ea3i kh\u1edbp<\/strong>: v\u00ed d\u1ee5: \u0111\u1ea7u n\u1ed1i LC, module duplex so v\u1edbi BiDi (gh\u00e9p k\u00eanh b\u01b0\u1edbc s\u00f3ng) ph\u1ea3i \u0111\u01b0\u1ee3c gh\u00e9p \u0111\u00fang c\u00e1ch.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >Ch\u1ea9n \u0111o\u00e1n &amp; Gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng (DDM)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">SFP<\/a>\/<a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">SFP+<\/a> m\u00f4-\u0111un hi\u1ec7n \u0111\u1ea1i h\u1ed7 tr\u1ee3 <strong>Gi\u00e1m s\u00e1t Ch\u1ea9n \u0111o\u00e1n K\u1ef9 thu\u1eadt S\u1ed1 (<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ddm-dom-in-optical-transceivers\/\"><strong>DDM<\/strong><\/a><strong>)<\/strong>\u2014c\u00f2n g\u1ecdi l\u00e0 DOM. Ch\u00fang gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec7n \u00e1p, c\u00f4ng su\u1ea5t quang v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c theo th\u1eddi gian th\u1ef1c. \u0110i\u1ec1u n\u00e0y gi\u00fap k\u1ef9 s\u01b0 ph\u00e1t hi\u1ec7n s\u1edbm s\u1ef1 c\u1ed1 v\u00e0 duy tr\u00ec th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >C\u00e0i \u0111\u1eb7t &amp; M\u1eb9o th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>C\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng<\/strong>: C\u1eafm ho\u1eb7c r\u00fat m\u00f4-\u0111un m\u00e0 kh\u00f4ng c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i thi\u1ebft b\u1ecb m\u1ea1ng.<\/p><\/li><li><p><strong>X\u1eed l\u00fd c\u1ea9n th\u1eadn<br><\/strong>: Tr\u00e1nh ch\u1ea1m v\u00e0o giao di\u1ec7n s\u1ee3i quang ho\u1eb7c c\u00e1c ti\u1ebfp \u0111i\u1ec3m m\u1ea1 v\u00e0ng. S\u1eed d\u1ee5ng n\u1eafp ch\u1ed1ng b\u1ee5i v\u00e0 l\u00e0m s\u1ea1ch \u0111\u1ea7u s\u1ee3i tr\u01b0\u1edbc khi l\u1eafp.<br>.<\/p><\/li><li><p><strong>Duy tr\u00ec nh\u1eadt k\u00fd<br><\/strong>: Ghi l\u1ea1i lo\u1ea1i module, ng\u00e0y l\u1eafp \u0111\u1eb7t v\u00e0 c\u1ea3nh b\u00e1o t\u1eeb DDM \u0111\u1ec3 theo d\u00f5i hi\u1ec7u su\u1ea5t theo th\u1eddi gian.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >Module SFP LINK\u2011PP: \u0110\u00e1ng tin c\u1eady &amp; S\u1eb5n s\u00e0ng cho ti\u00eau chu\u1ea9n<br><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">LINK\u2011PP cung c\u1ea5p nhi\u1ec1u lo\u1ea1i b\u1ed9 thu ph\u00e1t SFP v\u00e0 SFP+ tu\u00e2n th\u1ee7 MSA, bao g\u1ed3m c\u00e1c t\u00f9y ch\u1ecdn \u0111\u01a1n mode v\u00e0 \u0111a mode. C\u00e1c module c\u1ee7a h\u1ecd mang l\u1ea1i gi\u00e1 tr\u1ecb tuy\u1ec7t v\u1eddi v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c t\u00ednh n\u0103ng nh\u01b0 DDM, hi\u1ec7u su\u1ea5t quang \u1ed5n \u0111\u1ecbnh v\u00e0 t\u01b0\u01a1ng th\u00edch trung l\u1eadp v\u1edbi nh\u00e0 cung c\u1ea5p. T\u00ecm c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn t\u1ea1i c\u1eeda h\u00e0ng ch\u00ednh th\u1ee9c LINK\u2011PP t\u1ea1i \u0111\u00e2y:<br><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-tran\"><em>l\u2011p.com<br><\/em><\/a>.<\/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\/7152d397eb3e448eb50702528ebbbd70.jpg\" alt=\"LINK\u2011PP SFP Modules\" class=\"wp-image-5674\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7152d397eb3e448eb50702528ebbbd70.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7152d397eb3e448eb50702528ebbbd70-300x178.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7152d397eb3e448eb50702528ebbbd70-1024x608.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7152d397eb3e448eb50702528ebbbd70-768x456.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7152d397eb3e448eb50702528ebbbd70-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >B\u1ea3ng t\u00f3m t\u1eaft<br><\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Topic<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Th\u00f4ng tin ch\u00ednh<br><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ecbnh ngh\u0129a<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>B\u1ed9 thu ph\u00e1t quang\/\u0111\u1ed3ng nh\u1ecf g\u1ecdn, th\u00e1o l\u1eafp n\u00f3ng \u0111\u01b0\u1ee3c<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 1\u202fGb\/s (SFP), 10\u202fGb\/s (<br><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">SFP+<\/a>)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i c\u00e1p quang<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110a mode (c\u1ef1 ly ng\u1eafn), \u0110\u01a1n mode (c\u1ef1 ly xa)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u01b0\u01a1ng th\u00edch<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tu\u00e2n th\u1ee7 MSA, r\u00e0ng bu\u1ed9c c\u00f9ng nh\u00e0 cung c\u1ea5p, kh\u1edbp b\u01b0\u1edbc s\u00f3ng<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1ea9n \u0111o\u00e1n (DDM)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9, c\u00f4ng su\u1ea5t, \u0111i\u1ec7n \u00e1p<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1ch b\u1ea3o qu\u1ea3n th\u1ef1c t\u1ebf<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>N\u1eafp ch\u1ed1ng b\u1ee5i, thao t\u00e1c nh\u1eb9 nh\u00e0ng, v\u1ec7 sinh s\u1ea1ch s\u1ebd<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u01afu \u0111i\u1ec3m LINK\u2011PP<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n \u0111\u00e1ng tin c\u1eady, h\u1ed7 tr\u1ee3 DDM, chi ph\u00ed hi\u1ec7u qu\u1ea3<br><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h2 class=\"wp-block-heading\" >K\u1ebft lu\u1eadn<br><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 thu ph\u00e1t SFP l\u00e0 th\u00e0nh ph\u1ea7n n\u1ec1n t\u1ea3ng mang l\u1ea1i s\u1ef1 linh ho\u1ea1t, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t cho c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. \u0110\u1ed1i v\u1edbi k\u1ef9 s\u01b0 m\u1ea1ng, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i module, t\u00ednh t\u01b0\u01a1ng th\u00edch, t\u00ednh n\u0103ng ch\u1ea9n \u0111o\u00e1n v\u00e0 c\u00e1ch x\u1eed l\u00fd \u0111\u00fang \u0111\u1eafn s\u1ebd \u0111\u1ea3m b\u1ea3o v\u1eadn h\u00e0nh tr\u01a1n tru. D\u00f2ng s\u1ea3n ph\u1ea9m SFP\/SFP+ c\u1ee7a LINK\u2011PP \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p v\u00e0 mang l\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e1ng tin c\u1eady \u2014 l\u00fd t\u01b0\u1edfng cho m\u00f4i tr\u01b0\u1eddng trung t\u00e2m d\u1eef li\u1ec7u, doanh nghi\u1ec7p ho\u1eb7c vi\u1ec5n th\u00f4ng.<br>.<\/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<h2 class=\"wp-block-heading\" >Xem th\u00eam<br><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mu\u1ed1n m\u1edf r\u1ed9ng hi\u1ec3u bi\u1ebft v\u1ec1 m\u1ea1ng quang v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tri\u1ec3n khai SFP+ t\u1ed1t nh\u1ea5t? Kh\u00e1m ph\u00e1 c\u00e1c t\u00e0i nguy\u00ean chuy\u00ean s\u00e2u t\u1eeb Trung t\u00e2m Ki\u1ebfn th\u1ee9c LINK\u2011PP:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_new\" rel=\"noopener\" class=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ddm-dom-in-optical-transceivers\/\">DDM so v\u1edbi DOM trong b\u1ed9 thu ph\u00e1t quang: Kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?<br><\/a><br\/>Hi\u1ec3u c\u00e1ch Gi\u00e1m s\u00e1t Ch\u1ea9n \u0111o\u00e1n K\u1ef9 thu\u1eadt s\u1ed1 (DDM) v\u00e0 Gi\u00e1m s\u00e1t Quang h\u1ecdc K\u1ef9 thu\u1eadt s\u1ed1 (DOM) gi\u00fap \u0111\u1ea3m b\u1ea3o t\u00ecnh tr\u1ea1ng s\u1ee9c kh\u1ecfe module v\u00e0 \u0111\u1ed9 tin c\u1eady k\u1ebft n\u1ed1i.<br>.<\/p><\/li><li><p><a target=\"_new\" rel=\"noopener\" class=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/understanding-copper-sfp-modules-networking\/\">Hi\u1ec3u v\u1ec1 module SFP \u0111\u1ed3ng trong m\u1ea1ng<br><\/a><br\/>T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c module SFP d\u1ef1a tr\u00ean RJ45 t\u00edch h\u1ee3p v\u00e0o m\u1ea1ng Ethernet t\u1ed1c \u0111\u1ed9 cao v\u00e0 so s\u00e1nh ch\u00fang v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p quang.<br>.<\/p><\/li><li><p><a target=\"_new\" rel=\"noopener\" class=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/difference-between-sfp-and-sfp-plus-transceivers\/\">SFP so v\u1edbi SFP+: Gi\u1ea3i th\u00edch nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh<\/a><br\/>M\u1ed9t so s\u00e1nh k\u1ef9 thu\u1eadt nh\u01b0ng r\u00f5 r\u00e0ng v\u1ec1 c\u00e1c module SFP v\u00e0 SFP+, bao g\u1ed3m c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, t\u1ed1c \u0111\u1ed9 v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c.<\/p><\/li><li><p><a target=\"_new\" rel=\"noopener\" class=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/difference-between-fibers-single-mode-vs-multimode-guide\/\">C\u00e1p \u0111\u01a1n mode v\u00e0 \u0111a mode: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7<\/a><br\/>T\u00ecm hi\u1ec3u c\u00e1ch lo\u1ea1i c\u00e1p quang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c ch\u1ecdn transceiver, kho\u1ea3ng c\u00e1ch truy\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p v\u00e0 vi\u1ec5n th\u00f4ng.<\/p><\/li><li><p><a target=\"_new\" rel=\"noopener\" class=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-network-switch\/\">Switch m\u1ea1ng l\u00e0 g\u00ec? T\u1ed5ng quan d\u00e0nh cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/a><br\/>D\u00e0nh cho ng\u01b0\u1eddi m\u1edbi ho\u1eb7c \u00f4n l\u1ea1i\u2014hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee7a switch trong vi\u1ec7c x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng Ethernet v\u00e0 k\u1ebft n\u1ed1i uplink SFP+.<\/p><\/li>\n<\/ul>\n\n\n\n<script src=\"https:\/\/cdn.mylandingpages.co\/widgets\/platform\/platform.widget.js\" async=\"true\"><\/script>","protected":false},"excerpt":{"rendered":"<p>C\u00e1c transceiver SFP cung c\u1ea5p k\u1ebft n\u1ed1i m\u1ea1ng linh ho\u1ea1t. Hi\u1ec3u v\u1ec1 c\u00e1c lo\u1ea1i, t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 m\u1eb9o l\u1ef1a ch\u1ecdn m\u00e0 m\u1ecdi k\u1ef9 s\u01b0 m\u1ea1ng c\u1ea7n bi\u1ebft.<\/p>","protected":false},"author":1,"featured_media":5675,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5676","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=5676"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5676\/revisions"}],"predecessor-version":[{"id":11298,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5676\/revisions\/11298"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5675"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}