{"id":2992,"date":"2026-03-19T00:00:00","date_gmt":"2026-03-19T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/sfp-form-factor-compatibility-standards-guide\/"},"modified":"2026-05-26T08:10:02","modified_gmt":"2026-05-26T08:10:02","slug":"sfp-form-factor-compatibility-standards-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-form-factor-compatibility-standards-guide","title":{"rendered":"\u0110\u1ecbnh d\u1ea1ng SFP: T\u00ednh t\u01b0\u01a1ng th\u00edch, Ti\u00eau chu\u1ea9n v\u00e0 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06f51ae18bc9497ab369e2d02ce81d1b-1024x536.jpg\" alt=\"SFP Form-Factor: Compatibility, Standards, and Use Cases\" class=\"wp-image-2983\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06f51ae18bc9497ab369e2d02ce81d1b-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06f51ae18bc9497ab369e2d02ce81d1b-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06f51ae18bc9497ab369e2d02ce81d1b-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06f51ae18bc9497ab369e2d02ce81d1b-18x9.jpg 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/06f51ae18bc9497ab369e2d02ce81d1b.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, r\u1ea5t \u00edt th\u00e0nh ph\u1ea7n n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i\u2014v\u00e0 th\u01b0\u1eddng b\u1ecb hi\u1ec3u nh\u1ea7m\u2014nh\u01b0 d\u1ea1ng h\u00ecnh th\u1ee9c SFP. D\u00f9 b\u1ea1n \u0111ang thi\u1ebft k\u1ebf m\u1ea1ng doanh nghi\u1ec7p, n\u00e2ng c\u1ea5p k\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u hay l\u1ef1a ch\u1ecdn module quang cho c\u00e1c \u1ee9ng d\u1ee5ng Ethernet, vi\u1ec7c hi\u1ec3u r\u00f5 kh\u00e1i ni\u1ec7m n\u00e0y l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh ph\u1ea7n c\u1ee9ng \u0111\u00fang \u0111\u1eafn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede c\u1ed1t l\u00f5i, ti\u00eau chu\u1ea9n SFP (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-small-form-factor-pluggable-transceiver-guide\/\">B\u1ed9 thu ph\u00e1t nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm r\u1eddi<\/a>) x\u00e1c \u0111\u1ecbnh thi\u1ebft k\u1ebf v\u1eadt l\u00fd v\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-an-sfp-interface\/\">giao di\u1ec7n<\/a> c\u1ee7a <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">b\u1ed9 thu ph\u00e1t c\u00f3 th\u1ec3 c\u1eafm r\u1eddi<\/a>. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng nh\u1ea7m l\u1eabn khi li\u00ean h\u1ec7 ti\u00eau chu\u1ea9n n\u00e0y v\u1edbi t\u1ed1c \u0111\u1ed9, kho\u1ea3ng c\u00e1ch ho\u1eb7c th\u1eadm ch\u00ed kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 giao th\u1ee9c. S\u1ef1 nh\u1ea7m l\u1eabn n\u00e0y th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn c\u00e1c s\u1ef1 c\u1ed1 tri\u1ec3n khai ph\u1ed5 bi\u1ebfn nh\u01b0 module kh\u00f4ng t\u01b0\u01a1ng th\u00edch, li\u00ean k\u1ebft th\u1ea5t b\u1ea1i ho\u1eb7c chi ph\u00ed ph\u1ea7n c\u1ee9ng kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c t\u1ebf l\u00e0 d\u1ea1ng h\u00ecnh th\u1ee9c SFP ch\u1ec9 l\u00e0 m\u1ed9t m\u1ea3nh trong c\u00e2u \u0111\u1ed1 t\u01b0\u01a1ng th\u00edch l\u1edbn h\u01a1n nhi\u1ec1u. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/difference-between-sfp-and-sfp-plus-transceivers\/\">SFP so v\u1edbi SFP+<\/a>), lo\u1ea1i s\u1ee3i quang (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/smf-optical-transceiver-vs-mmf-optical-transceiver-guide\/\">\u0111\u01a1n mode so v\u1edbi \u0111a mode<\/a>), b\u01b0\u1edbc s\u00f3ng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch nh\u00e0 cung c\u1ea5p \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh li\u1ec7u m\u1ed9t module c\u00f3 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c trong h\u1ec7 th\u1ed1ng c\u1ee5 th\u1ec3 hay kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m cung c\u1ea5p l\u1eddi gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng \u1edf m\u1ee9c k\u1ef9 s\u01b0 v\u1ec1 d\u1ea1ng h\u00ecnh th\u1ee9c SFP, \u0111\u1ed3ng th\u1eddi ph\u00f9 h\u1ee3p v\u1edbi c\u00e1ch s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 xu h\u01b0\u1edbng ng\u00e0nh hi\u1ec7n h\u00e0nh. D\u1ef1a tr\u00ean c\u00e1c th\u00f4ng tin tri\u1ec3n khai th\u1ef1c ti\u1ec5n v\u00e0 nh\u1eefng c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn t\u1eeb c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng, ch\u00fang ta s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>D\u1ea1ng h\u00ecnh th\u1ee9c SFP th\u1ef1c ch\u1ea5t c\u00f3 ngh\u0129a l\u00e0 g\u00ec<\/p><\/li>\n\n\n\n<li><p>C\u00e1ch n\u00f3 kh\u00e1c bi\u1ec7t so v\u1edbi SFP+, SFP28 v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n b\u1ed9 thu ph\u00e1t kh\u00e1c<\/p><\/li>\n\n\n\n<li><p>C\u00e1c quy t\u1eafc t\u01b0\u01a1ng th\u00edch quan tr\u1ecdng nh\u1ea5t m\u00e0 b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i tu\u00e2n th\u1ee7<\/p><\/li>\n\n\n\n<li><p>Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch tr\u00e1nh ch\u00fang<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u0110\u1ebfn cu\u1ed1i b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd kh\u00f4ng ch\u1ec9 n\u1eafm v\u1eefng l\u00fd thuy\u1ebft \u0111\u1eb1ng sau c\u00e1c d\u1ea1ng h\u00ecnh th\u1ee9c SFP m\u00e0 c\u00f2n c\u00f3 \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c th\u1ef1c ti\u1ec5n c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1ef1a ch\u1ecdn, tri\u1ec3n khai v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u00e1c module SFP m\u1ed9t c\u00e1ch t\u1ef1 tin trong m\u00f4i tr\u01b0\u1eddng m\u1ea1ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\uded1 D\u1ea1ng h\u00ecnh th\u1ee9c SFP l\u00e0 g\u00ec? <\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng h\u00ecnh th\u1ee9c SFP (Small Form-Factor Pluggable \u2013 B\u1ed9 thu ph\u00e1t c\u00f3 d\u1ea1ng h\u00ecnh nh\u1ecf, c\u00f3 th\u1ec3 c\u1eafm r\u1eddi) l\u00e0 m\u1ed9t thi\u1ebft k\u1ebf v\u1eadt l\u00fd ti\u00eau chu\u1ea9n d\u00e0nh cho c\u00e1c module thu ph\u00e1t nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb m\u1ea1ng. N\u00f3 x\u00e1c \u0111\u1ecbnh <strong>k\u00edch th\u01b0\u1edbc, giao di\u1ec7n c\u01a1 h\u1ecdc v\u00e0 k\u1ebft n\u1ed1i \u0111i\u1ec7n v\u1edbi thi\u1ebft b\u1ecb ch\u1ee7<\/strong>, nh\u01b0ng <strong>kh\u00f4ng x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9, kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn hay giao th\u1ee9c<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a4e52374b284740bea015bb675ddc7b.jpg\" alt=\"What Is the SFP Form-Factor?\" class=\"wp-image-2984\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a4e52374b284740bea015bb675ddc7b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a4e52374b284740bea015bb675ddc7b-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a4e52374b284740bea015bb675ddc7b-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a4e52374b284740bea015bb675ddc7b-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a4e52374b284740bea015bb675ddc7b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ecbnh ngh\u0129a \u0111\u01a1n gi\u1ea3n v\u1ec1 d\u1ea1ng h\u00ecnh th\u1ee9c SFP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede m\u1ee9c c\u01a1 b\u1ea3n, d\u1ea1ng h\u00ecnh th\u1ee9c SFP m\u00f4 t\u1ea3 c\u00e1ch m\u1ed9t module thu ph\u00e1t \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u00e0 c\u00e1ch n\u00f3 l\u1eafp v\u1eeba v\u00e0o thi\u1ebft b\u1ecb m\u1ea1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u1ea3 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u1eabn k\u1ef9 s\u01b0 gi\u00e0u kinh nghi\u1ec7m, vi\u1ec7c xem SFP nh\u01b0 sau s\u1ebd r\u1ea5t h\u1eefu \u00edch:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udc49 M\u1ed9t giao di\u1ec7n c\u1eafm ti\u00eau chu\u1ea9n cho ph\u00e9p c\u00e1c lo\u1ea1i b\u1ed9 thu ph\u00e1t kh\u00e1c nhau (quang ho\u1eb7c \u0111\u1ed3ng) \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o c\u00f9ng m\u1ed9t c\u1ed5ng.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea1t m\u1eadt \u0111\u1ed9 c\u1ed5ng cao<\/p><\/li>\n\n\n\n<li><p><strong>H\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng<\/strong>, cho ph\u00e9p thay th\u1ebf m\u00e0 kh\u00f4ng c\u1ea7n t\u1eaft ngu\u1ed3n thi\u1ebft b\u1ecb<\/p><\/li>\n\n\n\n<li><p><strong>Giao di\u1ec7n \u0111i\u1ec7n ti\u00eau chu\u1ea9n<\/strong> (\u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi c\u00e1c \u0111\u1eb7c t\u1ea3 MSA c\u1ee7a ng\u00e0nh)<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 c\u1ea3 hai lo\u1ea1i:<\/p>\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/488474.htm\" target=\"_self\"><strong>B\u1ed9 thu ph\u00e1t quang<\/strong><\/a> (d\u1ef1a tr\u00ean s\u1ee3i quang)<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476770.htm\" target=\"_self\"><strong>B\u1ed9 thu ph\u00e1t \u0111\u1ed3ng<\/strong><\/a> (Ethernet RJ45)<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Li\u00ean k\u1ebft Ethernet Gigabit (1G)<\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft l\u00ean quang trong c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch doanh nghi\u1ec7p<\/p><\/li>\n\n\n\n<li><p>M\u1ea1ng vi\u1ec5n th\u00f4ng v\u00e0 m\u1ea1ng truy c\u1eadp<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng g\u00ec d\u1ea1ng h\u00ecnh th\u1ee9c SFP x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng g\u00ec d\u1ea1ng h\u00ecnh th\u1ee9c SFP x\u00e1c \u0111\u1ecbnh\u2014v\u00e0 kh\u00f4ng x\u00e1c \u0111\u1ecbnh\u2014l\u00e0 \u0111i\u1ec1u then ch\u1ed1t \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u2705 Nh\u1eefng g\u00ec n\u00f3 x\u00e1c \u0111\u1ecbnh:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd c\u1ee7a module<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ed9 c\u0103n ch\u1ec9nh \u0111\u1ea7u n\u1ed1i v\u1edbi c\u1ed5ng ch\u1ee7<\/p><\/li>\n\n\n\n<li><p>Giao di\u1ec7n \u0111i\u1ec7n gi\u1eefa module v\u00e0 thi\u1ebft b\u1ecb<\/p><\/li>\n\n\n\n<li><p>C\u01a1 ch\u1ebf c\u1eafm v\u00e0o\/th\u00e1o ra c\u01a1 h\u1ecdc (thi\u1ebft k\u1ebf \u201cc\u1eafm v\u00e0 ch\u1ea1y\u201d)<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u274c Nh\u1eefng g\u00ec n\u00f3 KH\u00d4NG x\u00e1c \u0111\u1ecbnh:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u (v\u00ed d\u1ee5: 1G, 10G, 25G)<\/p><\/li>\n\n\n\n<li><p>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn (v\u00ed d\u1ee5: 300 m, 10 km, 40 km)<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-wavelengths-850nm-1310nm-1550nm-guide\/\" target=\"_blank\" rel=\"\">B\u01b0\u1edbc s\u00f3ng quang h\u1ecdc<\/a> (v\u00ed d\u1ee5: 850 nm, 1310 nm, 1550 nm)<\/p><\/li>\n\n\n\n<li><p>Giao th\u1ee9c m\u1ea1ng (Ethernet, Fibre Channel, v.v.)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 C\u00e1c th\u00f4ng s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi lo\u1ea1i module c\u1ee5 th\u1ec3, ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1edfi ch\u00ednh d\u1ea1ng h\u00ecnh th\u1ee9c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai module c\u00f3 th\u1ec3 chia s\u1ebb c\u00f9ng d\u1ea1ng h\u00ecnh th\u1ee9c SFP nh\u01b0ng ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t v\u1ec1 ch\u1ee9c n\u0103ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/482145.htm\" target=\"_self\">SFP 1000BASE-SX<\/a> \u2192 s\u1ee3i quang \u0111a mode, kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476763.htm\" target=\"_self\">B\u1ed9 thu ph\u00e1t 1000BASE-LX SFP<\/a> \u2192 s\u1ee3i quang \u0111\u01a1n mode, kho\u1ea3ng c\u00e1ch d\u00e0i<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai \u0111\u1ec1u v\u1eeba v\u1edbi c\u00f9ng m\u1ed9t c\u1ed5ng\u2014nh\u01b0ng kh\u00f4ng th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau trong m\u1ecdi t\u00ecnh hu\u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00ec sao kh\u00e1i ni\u1ec7m n\u00e0y th\u01b0\u1eddng b\u1ecb hi\u1ec3u nh\u1ea7m<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng h\u00ecnh th\u1ee9c SFP th\u01b0\u1eddng b\u1ecb hi\u1ec3u nh\u1ea7m do s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean, th\u1ef1c ti\u1ec5n ti\u1ebfp th\u1ecb v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p th\u1ef1c t\u1ebf khi tri\u1ec3n khai.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Nh\u1ea7m l\u1eabn gi\u1eefa d\u1ea1ng h\u00ecnh th\u1ee9c v\u00e0 hi\u1ec7u n\u0103ng<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u201cSFP = 1G\u201d<br>\u201d<\/p><\/li>\n\n\n\n<li><p>\u201cSFP+ = 10G\u201d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u00fang trong th\u1ef1c t\u1ebf, nh\u01b0ng \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 \u0111i\u1ec1u m\u00e0 d\u1ea1ng h\u00ecnh th\u1ee9c x\u00e1c \u0111\u1ecbnh. Thi\u1ebft k\u1ebf v\u1eadt l\u00fd g\u1ea7n nh\u01b0 gi\u1ed1ng h\u1ec7t nhau, trong khi hi\u1ec7u n\u0103ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n t\u1eed b\u00ean trong.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">C\u00e1ch \u0111\u1eb7t t\u00ean s\u1ea3n ph\u1ea9m g\u00e2y hi\u1ec3u l\u1ea7m tr\u00ean th\u1ecb tr\u01b0\u1eddng<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p d\u00e1n nh\u00e3n s\u1ea3n ph\u1ea9m l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u201c<a href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\" target=\"_self\">Module SFP 10G<\/a>\u201d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong khi th\u1ef1c t\u1ebf h\u1ecd mu\u1ed1n n\u00f3i \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Module SFP+ (module h\u1ed7 tr\u1ee3 10G)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn vi\u1ec7c mua sai v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ch\u1ed3ng l\u1ea5n gi\u1eefa c\u00e1c th\u1ebf h\u1ec7<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec SFP, SFP+ v\u00e0 th\u1eadm ch\u00ed c\u1ea3 SFP28 \u0111\u1ec1u c\u00f3 thi\u1ebft k\u1ebf v\u1eadt l\u00fd t\u01b0\u01a1ng t\u1ef1 nhau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ng\u01b0\u1eddi d\u00f9ng gi\u1ea3 \u0111\u1ecbnh t\u00ednh t\u01b0\u01a1ng th\u00edch \u0111\u1ea7y \u0111\u1ee7 tr\u00ean m\u1ecdi c\u1ed5ng<\/p><\/li>\n\n\n\n<li><p>Tr\u00ean th\u1ef1c t\u1ebf, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ph\u1ee5 thu\u1ed9c v\u00e0o:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>H\u1ed7 tr\u1ee3 c\u1ed5ng ch\u1ee7<\/p><\/li>\n\n\n\n<li><p>X\u00e1c th\u1ef1c firmware<\/p><\/li>\n\n\n\n<li><p>T\u00edn hi\u1ec7u \u0111i\u1ec7n<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u0110\u1ed9 ph\u1ee9c t\u1ea1p th\u1ef1c t\u1ebf khi tri\u1ec3n khai<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u00f4i tr\u01b0\u1eddng th\u1ef1c t\u1ebf, nhi\u1ec1u bi\u1ebfn s\u1ed1 t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Lo\u1ea1i s\u1ee3i quang (\u0111\u01a1n mode so v\u1edbi \u0111a mode)<\/p><\/li>\n\n\n\n<li><p>Ph\u00f9 h\u1ee3p b\u01b0\u1edbc s\u00f3ng<\/p><\/li>\n\n\n\n<li><p>H\u1ea1n ch\u1ebf theo nh\u00e0 cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>Gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t v\u00e0 nhi\u1ec7t<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Do \u0111\u00f3, nhi\u1ec1u s\u1ef1 c\u1ed1 th\u01b0\u1eddng b\u1ecb quy nh\u1ea7m cho \u201cd\u1ea1ng h\u00ecnh th\u1ee9c\u201d, trong khi nguy\u00ean nh\u00e2n g\u1ed1c n\u1eb1m \u1edf n\u01a1i kh\u00e1c.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The <strong>D\u1ea1ng h\u00ecnh th\u1ee9c SFP x\u00e1c \u0111\u1ecbnh c\u00e1ch module l\u1eafp v\u1eeba\u2014kh\u00f4ng x\u00e1c \u0111\u1ecbnh c\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng<\/strong>.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\uded1 D\u1ea1ng h\u00ecnh th\u1ee9c b\u1ed9 thu ph\u00e1t trong m\u1ea1ng l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ea1ng h\u00ecnh th\u1ee9c b\u1ed9 thu ph\u00e1t<strong>r<\/strong> l\u00e0 thi\u1ebft k\u1ebf v\u1eadt l\u00fd ti\u00eau chu\u1ea9n c\u1ee7a m\u1ed9t m\u00f4-\u0111un c\u1eafm r\u1eddi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n v\u00e0 nh\u1eadn d\u1eef li\u1ec7u trong thi\u1ebft b\u1ecb m\u1ea1ng. N\u00f3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/common-fiber-connector-types-optical-transceivers\/\">\u0111\u1ea7u n\u1ed1i s\u1ee3i quang<\/a> lo\u1ea1i v\u00e0 giao di\u1ec7n m\u00e1y ch\u1ee7, trong khi c\u00e1c \u0111\u1eb7c t\u00ednh hi\u1ec7u n\u0103ng nh\u01b0 t\u1ed1c \u0111\u1ed9 v\u00e0 kho\u1ea3ng c\u00e1ch \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00f4ng ngh\u1ec7 n\u1ed9i b\u1ed9 c\u1ee7a m\u00f4-\u0111un.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/72b83cbd06e541709ac050da2d10e842.jpg\" alt=\"What Is a Transceiver Form-Factor in Networking?\" class=\"wp-image-2985\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/72b83cbd06e541709ac050da2d10e842.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/72b83cbd06e541709ac050da2d10e842-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/72b83cbd06e541709ac050da2d10e842-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/72b83cbd06e541709ac050da2d10e842-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/72b83cbd06e541709ac050da2d10e842-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Giao di\u1ec7n V\u1eadt l\u00fd so v\u1edbi Hi\u1ec7u n\u0103ng \u0110i\u1ec7n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng kh\u00e1i ni\u1ec7m quan tr\u1ecdng nh\u1ea5t trong thi\u1ebft k\u1ebf ph\u1ea7n c\u1ee9ng m\u1ea1ng l\u00e0 s\u1ef1 ph\u00e2n bi\u1ec7t gi\u1eefa giao di\u1ec7n v\u1eadt l\u00fd v\u00e0 hi\u1ec7u n\u0103ng \u0111i\u1ec7n.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Giao di\u1ec7n V\u1eadt l\u00fd (Y\u1ebfu t\u1ed1 d\u1ea1ng x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u n\u00e0y)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u1ebfu t\u1ed1 d\u1ea1ng x\u00e1c \u0111\u1ecbnh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a m\u00f4-\u0111un<\/p><\/li>\n\n\n\n<li><p>C\u00e1ch n\u00f3 l\u1eafp v\u1eeba v\u00e0o c\u1ed5ng tr\u00ean b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/p><\/li>\n\n\n\n<li><p>K\u1ebft n\u1ed1i c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n v\u1edbi thi\u1ebft b\u1ecb ch\u1ee7<\/p><\/li>\n\n\n\n<li><p>Lo\u1ea1i \u0111\u1ea7u n\u1ed1i b\u00ean ngo\u00e0i (v\u00ed d\u1ee5:, <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-duplex-lc-connector-explained\/\" target=\"_blank\" rel=\"\">LC<\/a>, MPO, RJ45)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c m\u00f4-\u0111un t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau c\u00f3 th\u1ec3 l\u1eafp v\u1eeba v\u1ec1 m\u1eb7t v\u1eadt l\u00fd v\u00e0o c\u00e1c c\u1ed5ng ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Hi\u1ec7u n\u0103ng \u0110i\u1ec7n (Y\u1ebfu t\u1ed1 d\u1ea1ng KH\u00d4NG x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u n\u00e0y)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1eb7c t\u00ednh hi\u1ec7u n\u0103ng \u0111\u1ed9c l\u1eadp v\u1edbi y\u1ebfu t\u1ed1 d\u1ea1ng v\u00e0 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u (1G, 10G, 25G, 100G)<\/p><\/li>\n\n\n\n<li><p>M\u00e3 h\u00f3a v\u00e0 \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u<\/p><\/li>\n\n\n\n<li><p>Kho\u1ea3ng c\u00e1ch truy\u1ec1n t\u1ea3i<\/p><\/li>\n\n\n\n<li><p>B\u01b0\u1edbc s\u00f3ng quang ho\u1eb7c t\u00edn hi\u1ec7u \u0111\u1ed3ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Hai m\u00f4-\u0111un c\u00f3 c\u00f9ng y\u1ebfu t\u1ed1 d\u1ea1ng c\u00f3 th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng hi\u1ec7u n\u0103ng ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u1eadn x\u00e9t th\u1ef1c ti\u1ec5n:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 t\u00e1ch bi\u1ec7t n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi thi\u1ebft k\u1ebf m\u1ea1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t n\u1ec1n t\u1ea3ng ph\u1ea7n c\u1ee9ng<\/p><\/li>\n\n\n\n<li><p>Thay th\u1ebf m\u00f4-\u0111un \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u01b0ng c\u0169ng \u0111\u1ed3ng th\u1eddi g\u00e2y ra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>R\u1ee7i ro t\u01b0\u01a1ng th\u00edch n\u1ebfu c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00f4ng kh\u1edbp nhau<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 d\u1ea1ng b\u1ed9 thu ph\u00e1t ph\u1ed5 bi\u1ebfn (SFP, SFP+, QSFP, QSFP28)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i d\u1ef1a v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 d\u1ea1ng b\u1ed9 thu ph\u00e1t \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau v\u1ec1 b\u0103ng th\u00f4ng v\u00e0 m\u1eadt \u0111\u1ed9.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">SFP<\/a> (B\u1ed9 k\u1ebft n\u1ed1i d\u1ea1ng nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm th\u00e1o \u0111\u01b0\u1ee3c)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh: <strong>1G<\/strong><\/p><\/li>\n\n\n\n<li><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng: m\u1ea1ng truy c\u1eadp, h\u1ec7 th\u1ed1ng c\u0169<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">SFP+<\/a> (SFP n\u00e2ng cao)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh: <strong>Kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/strong><\/p><\/li>\n\n\n\n<li><p>C\u00f9ng k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd v\u1edbi SFP<\/p><\/li>\n\n\n\n<li><p>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong doanh nghi\u1ec7p v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">QSFP <\/a>(B\u1ed9 k\u1ebft n\u1ed1i d\u1ea1ng nh\u1ecf b\u1ed1n k\u00eanh c\u00f3 th\u1ec3 c\u1eafm th\u00e1o \u0111\u01b0\u1ee3c)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh: <strong>Y\u00eau c\u1ea7u c\u00e1p s\u1ee3i quang v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u cao h\u01a1n, nh\u01b0ng m\u1edf r\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n cho s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ea1ng trong t\u01b0\u01a1ng lai.<\/strong><\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng 4 k\u00eanh song song<\/p><\/li>\n\n\n\n<li><p>M\u1eadt \u0111\u1ed9 c\u1ed5ng cao h\u01a1n SFP<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\">QSFP28<br><\/a><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh: <strong>100G<br><\/strong><\/p><\/li>\n\n\n\n<li><p>T\u00edn hi\u1ec7u ti\u00ean ti\u1ebfn cho m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao<\/p><\/li>\n\n\n\n<li><p>Ph\u1ed5 bi\u1ebfn trong trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y v\u00e0 quy m\u00f4 l\u1edbn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u1eadn x\u00e9t so s\u00e1nh then ch\u1ed1t:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 154px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"154\"><p>Y\u1ebfu t\u1ed1 d\u1ea1ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u1eadt \u0111\u1ed9 c\u1ed5ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"154\"><p>SFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy c\u1eadp \/ h\u1ec7 th\u1ed1ng c\u0169<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"154\"><p>SFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Doanh nghi\u1ec7p<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"154\"><p>QSFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Y\u00eau c\u1ea7u c\u00e1p s\u1ee3i quang v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u cao h\u01a1n, nh\u01b0ng m\u1edf r\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n cho s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ea1ng trong t\u01b0\u01a1ng lai.<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>R\u1ea5t cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eadp h\u1ee3p<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"154\"><p>QSFP28<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100G<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>R\u1ea5t cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>```html<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 M\u1eb7c d\u00f9 c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1c nhau, m\u1ed7i y\u1ebfu t\u1ed1 d\u1ea1ng v\u1eabn duy tr\u00ec giao di\u1ec7n v\u1eadt l\u00fd ti\u00eau chu\u1ea9n trong ph\u1ea1m vi danh m\u1ee5c c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Quan tr\u1ecdng trong Thi\u1ebft k\u1ebf M\u1ea1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng b\u1ed9 thu ph\u00e1t \u0111\u00fang l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh n\u1ec1n t\u1ea3ng trong ki\u1ebfn tr\u00fac m\u1ea1ng. N\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u n\u0103ng, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 chi ph\u00ed.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">T\u01b0\u01a1ng th\u00edch Ph\u1ea7n c\u1ee9ng<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00e1c lo\u1ea1i c\u1ed5ng c\u1ee5 th\u1ec3:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng SFP<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng SFP+<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng QSFP<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Vi\u1ec7c l\u1ef1a ch\u1ecdn y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng sai s\u1ebd d\u1eabn \u0111\u1ebfn ngay l\u1eadp t\u1ee9c kh\u00f4ng t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">M\u1eadt \u0111\u1ed9 C\u1ed5ng v\u00e0 Hi\u1ec7u qu\u1ea3 Kh\u00f4ng gian<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng nh\u1ecf h\u01a1n (nh\u01b0 SFP\/SFP+) cho ph\u00e9p:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>Nhi\u1ec1u c\u1ed5ng h\u01a1n tr\u00ean m\u1ed7i b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li>\n\n\n\n<li><p>M\u1eadt \u0111\u1ed9 m\u1ea1ng cao h\u01a1n<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Quan tr\u1ecdng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>```html<\/p><\/li>\n\n\n\n<li><p>M\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng M\u1edf r\u1ed9ng v\u00e0 \u0110\u01b0\u1eddng n\u00e2ng c\u1ea5p<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Vi\u1ec7c l\u1ef1a ch\u1ecdn SFP+ thay v\u00ec SFP cho ph\u00e9p:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>N\u00e2ng c\u1ea5p trong t\u01b0\u01a1ng lai l\u00ean t\u1ed1c \u0111\u1ed9 cao h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Hi\u1ec7u qu\u1ea3 \u0111\u1ea7u t\u01b0 d\u00e0i h\u1ea1n t\u1ed1t h\u01a1n<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Xu h\u01b0\u1edbng thi\u1ebft k\u1ebf hi\u1ec7n \u0111\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Tri\u1ec3n khai c\u00e1c c\u1ed5ng \u0111a t\u1ed1c \u0111\u1ed9 (v\u00ed d\u1ee5: t\u01b0\u01a1ng th\u00edch SFP+\/SFP28)<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Ti\u00eau th\u1ee5 C\u00f4ng su\u1ea5t v\u00e0 Thi\u1ebft k\u1ebf Nhi\u1ec7t<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c module t\u1ed1c \u0111\u1ed9 cao h\u01a1n (\u0111\u1eb7c bi\u1ec7t l\u00e0 lo\u1ea1i d\u00f9ng c\u00e1p \u0111\u1ed3ng) ti\u00eau th\u1ee5 nhi\u1ec1u c\u00f4ng su\u1ea5t h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Gi\u1edbi h\u1ea1n nhi\u1ec7t c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>Hi\u1ec7u n\u0103ng c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li>\n\n\n\n<li><p>Tu\u1ed5i th\u1ecd c\u1ee7a module<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a Chi ph\u00ed<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c module quang c\u00f3 s\u1ef1 ch\u00eanh l\u1ec7ch \u0111\u00e1ng k\u1ec3 v\u1ec1 chi ph\u00ed<\/p><\/li>\n\n\n\n<li><p>Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng gi\u00fap tr\u00e1nh:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>Thi\u1ebft k\u1ebf ph\u1ea7n c\u1ee9ng d\u01b0 th\u1eeba v\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/p><\/li>\n\n\n\n<li><p>Chi ph\u00ed kh\u00f4ng c\u1ea7n thi\u1ebft<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng b\u1ed9 thu ph\u00e1t x\u00e1c \u0111\u1ecbnh n\u1ec1n t\u1ea3ng v\u1eadt l\u00fd c\u1ee7a m\u1ea1ng b\u1ea1n, trong khi hi\u1ec7u n\u0103ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00f3.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\uded1 So s\u00e1nh Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng SFP v\u00e0 SFP+: Gi\u1ea3i th\u00edch Nh\u1eefng \u0110i\u1ec3m Kh\u00e1c Bi\u1ec7t Ch\u00ednh<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP v\u00e0 SFP+ chia s\u1ebb c\u00f9ng m\u1ed9t y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd, nh\u01b0ng kh\u00e1c nhau v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 t\u00edn hi\u1ec7u \u0111i\u1ec7n. SFP th\u01b0\u1eddng h\u1ed7 tr\u1ee3 1 Gbps, trong khi SFP+ h\u1ed7 tr\u1ee3 10 Gbps, \u0111\u00f2i h\u1ecfi m\u1ea1ch \u0111i\u1ec7n hi\u1ec7u n\u0103ng cao h\u01a1n v\u00e0 \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u nghi\u00eam ng\u1eb7t h\u01a1n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/63ff243f7cf2497cabd6e354867fc764.jpg\" alt=\"SFP vs. SFP+ Form-Factor: Key Differences Explained\" class=\"wp-image-2986\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/63ff243f7cf2497cabd6e354867fc764.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/63ff243f7cf2497cabd6e354867fc764-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/63ff243f7cf2497cabd6e354867fc764-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/63ff243f7cf2497cabd6e354867fc764-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/63ff243f7cf2497cabd6e354867fc764-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 Kh\u00e1c Bi\u1ec7t v\u1ec1 T\u1ed1c \u0110\u1ed9 v\u00e0 T\u00edn Hi\u1ec7u \u0110i\u1ec7n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng nh\u1ea5t gi\u1eefa SFP v\u00e0 SFP+ n\u1eb1m \u1edf giao di\u1ec7n \u0111i\u1ec7n v\u00e0 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476762.htm\"><strong>SFP (1G)<\/strong><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u: t\u1ed1i \u0111a 1 Gbps<\/p><\/li>\n\n\n\n<li><p>T\u00edn hi\u1ec7u: t\u1ea7n s\u1ed1 th\u1ea5p h\u01a1n, m\u00e3 h\u00f3a \u0111\u01a1n gi\u1ea3n h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Thi\u1ebft k\u1ebf b\u00ean trong bao g\u1ed3m nhi\u1ec1u x\u1eed l\u00fd t\u00edn hi\u1ec7u h\u01a1n trong module<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477525.htm\"><strong>SFP+ (10G)<\/strong><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u: t\u1ed1i \u0111a 10 Gbps<\/p><\/li>\n\n\n\n<li><p>T\u00edn hi\u1ec7u: giao di\u1ec7n n\u1ed1i ti\u1ebfp t\u1ed1c \u0111\u1ed9 cao v\u1edbi dung sai ch\u1eb7t ch\u1ebd h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Ph\u1ee5 thu\u1ed9c nhi\u1ec1u h\u01a1n v\u00e0o thi\u1ebft b\u1ecb ch\u1ee7 \u0111\u1ec3 x\u1eed l\u00fd t\u00edn hi\u1ec7u (gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a module trong m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u1eadn th\u1ee9c K\u1ef9 thu\u1eadt Tr\u1ecdng y\u1ebfu:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP+ y\u00eau c\u1ea7u \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u t\u1ed1t h\u01a1n \u0111\u00e1ng k\u1ec3<\/p><\/li>\n\n\n\n<li><p>B\u1ed1 tr\u00ed b\u1ea3ng m\u1ea1ch in (PCB), ch\u1eafn nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) v\u00e0 thi\u1ebft b\u1ecb ch\u1ee7 <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-phy-physical-layer-basics-explained\/\" target=\"_blank\" rel=\"\">PHY<\/a> tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng SFP \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u \u0111i\u1ec7n c\u1ee7a SFP+<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao vi\u1ec7c n\u00e2ng c\u1ea5p t\u1ed1c \u0111\u1ed9 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 thay th\u1ebf \u201cc\u1eafm v\u00e0o l\u00e0 ch\u1ea1y\u201d, d\u00f9 c\u00e1c module tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1ec1 m\u1eb7t v\u1eadt l\u00fd v\u00e0 nh\u1eefng quan ni\u1ec7m sai l\u1ea7m v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n g\u00e2y nh\u1ea7m l\u1eabn l\u1edbn nh\u1ea5t l\u00e0 module SFP v\u00e0 SFP+ g\u1ea7n nh\u01b0 gi\u1ed1ng h\u1ec7t nhau v\u1ec1 m\u1eb7t k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110i\u1ec1u g\u00ec gi\u1ed1ng nhau:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u00edch th\u01b0\u1edbc v\u00e0 chi\u1ec1u \u0111o c\u1ee7a module<\/p><\/li>\n\n\n\n<li><p>Giao di\u1ec7n khung (cage) v\u00e0 \u0111\u1ea7u n\u1ed1i<\/p><\/li>\n\n\n\n<li><p>C\u01a1 ch\u1ebf c\u1eafm v\u00e0o (<a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/the-hot-pluggable-nature-of-optical-modules\/\" target=\"_blank\" rel=\"\">Cat5e\/Cat6 Ethernet<\/a> thi\u1ebft k\u1ebf)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 C\u1ea3 hai lo\u1ea1i module \u0111\u1ec1u v\u1eeba v\u1edbi c\u00f9ng m\u1ed9t lo\u1ea1i khe c\u1eafm v\u1eadt l\u00fd.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Nh\u1eefng quan ni\u1ec7m sai l\u1ea7m ph\u1ed5 bi\u1ebfn v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch:<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u274c Quan ni\u1ec7m sai 1: C\u00f9ng k\u00edch th\u01b0\u1edbc ngh\u0129a l\u00e0 ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c t\u1ebf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t v\u1eadt l\u00fd \u2260 t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t \u0111i\u1ec7n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u274c Quan ni\u1ec7m sai 2: B\u1ea5t k\u1ef3 module SFP n\u00e0o c\u0169ng ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c tr\u00ean m\u1ecdi c\u1ed5ng SFP+<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c t\u1ebf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ch\u1ec9 m\u1ed9t s\u1ed1 module SFP nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, t\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft b\u1ecb<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u274c Quan ni\u1ec7m sai 3: \u201cSFP 10G\u201d ch\u1ec9 l\u00e0 phi\u00ean b\u1ea3n SFP nhanh h\u01a1n<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c t\u1ebf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u201cSFP 10G\u201d th\u1ef1c ch\u1ea5t l\u00e0 SFP+, ch\u1ee9 kh\u00f4ng ph\u1ea3i SFP chu\u1ea9n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u1ec7 qu\u1ea3 th\u1ef1c t\u1ebf:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do k\u00edch th\u01b0\u1edbc gi\u1ed1ng nhau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng mua nh\u1ea7m module<\/p><\/li>\n\n\n\n<li><p>C\u00e1c s\u1ef1 c\u1ed1 tri\u1ec3n khai r\u1ea5t ph\u1ed5 bi\u1ebfn trong m\u00f4i tr\u01b0\u1eddng h\u1ed7n h\u1ee3p<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c quy t\u1eafc t\u01b0\u01a1ng th\u00edch th\u1ef1c t\u1ebf (\u0111i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u1ef1a tr\u00ean kinh nghi\u1ec7m tri\u1ec3n khai th\u1ef1c t\u1ebf v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t c\u1ee7a ng\u00e0nh, c\u00e1c quy t\u1eafc t\u01b0\u01a1ng th\u00edch sau \u0111\u00e2y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 Quy t\u1eafc 1: Module SFP trong c\u1ed5ng SFP+<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 (t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c)<\/p><\/li>\n\n\n\n<li><p>Ho\u1ea1t \u0111\u1ed9ng n\u1ebfu c\u1ed5ng h\u1ed7 tr\u1ee3 ch\u1ebf \u0111\u1ed9 \u0111a t\u1ed1c \u0111\u1ed9 (multi-rate operation)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Ph\u1ed5 bi\u1ebfn tr\u00ean c\u00e1c switch doanh nghi\u1ec7p<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u274c Quy t\u1eafc 2: Module SFP+ trong c\u1ed5ng SFP<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng SFP kh\u00f4ng th\u1ec3 x\u1eed l\u00fd t\u00edn hi\u1ec7u 10G<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u26a0\ufe0f Quy t\u1eafc 3: Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch nh\u00e0 cung c\u1ea5p r\u1ea5t quan tr\u1ecdng<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb \u00e1p d\u1ee5ng c\u00e1c r\u00e0ng bu\u1ed9c:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>Firmware kh\u00f3a theo nh\u00e0 cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/how-eeprom-powers-sfp-and-qsfp-optical-modules\/\" target=\"_blank\" rel=\"\">B\u1ed9 nh\u1edb EEPROM<\/a> x\u00e1c th\u1ef1c<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 H\u1eadu qu\u1ea3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c module c\u1ee7a b\u00ean th\u1ee9 ba c\u00f3 th\u1ec3:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>Ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng<\/p><\/li>\n\n\n\n<li><p>Hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o<\/p><\/li>\n\n\n\n<li><p>B\u1ecb t\u1eeb ch\u1ed1i ho\u00e0n to\u00e0n<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u26a0\ufe0f Quy t\u1eafc 4: C\u00e1c th\u00f4ng s\u1ed1 quang h\u1ecdc ph\u1ea3i kh\u1edbp nhau<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 khi h\u00ecnh d\u1ea1ng v\u00e0 t\u1ed1c \u0111\u1ed9 kh\u1edbp nhau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u01b0\u1edbc s\u00f3ng ph\u1ea3i kh\u1edbp (v\u00ed d\u1ee5: 850 nm so v\u1edbi 1310 nm)<\/p><\/li>\n\n\n\n<li><p>Lo\u1ea1i c\u00e1p quang ph\u1ea3i kh\u1edbp (MMF so v\u1edbi SMF)<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ecbnh m\u1ee9c kho\u1ea3ng c\u00e1ch ph\u1ea3i ph\u00f9 h\u1ee3p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 N\u1ebfu kh\u00f4ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f4ng c\u00f3 li\u00ean k\u1ebft ho\u1eb7c k\u1ebft n\u1ed1i kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u26a0\ufe0f Quy t\u1eafc 5: Module SFP+ \u0111\u1ed3ng tr\u1ee5c (copper) c\u00f3 th\u00eam c\u00e1c r\u00e0ng bu\u1ed9c<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Ph\u00e1t sinh nhi\u1ec7t<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 c\u1ed5ng h\u1ea1n ch\u1ebf tr\u00ean m\u1ed9t s\u1ed1 switch<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u1ea3ng t\u00f3m t\u1eaft:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 290px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>T\u00ecnh hu\u1ed1ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>K\u1ebft qu\u1ea3<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>SFP \u2192 c\u1ed5ng SFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u2705 Th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>SFP+ \u2192 c\u1ed5ng SFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u274c Kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>Module c\u00f9ng k\u00edch th\u01b0\u1edbc<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u26a0\ufe0f Kh\u00f4ng lu\u00f4n t\u01b0\u01a1ng th\u00edch<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"290\"><p>B\u01b0\u1edbc s\u00f3ng kh\u00e1c nhau<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u274c M\u1ea5t k\u1ebft n\u1ed1i<\/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>SFP v\u00e0 SFP+ chia s\u1ebb c\u00f9ng m\u1ed9t h\u00ecnh d\u1ea1ng (form-factor) nh\u01b0ng kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n v\u1ec1 hi\u1ec7u n\u0103ng v\u00e0 thi\u1ebft k\u1ebf \u0111i\u1ec7n.<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 tri\u1ec3n khai \u0111\u00e1ng tin c\u1eady:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Lu\u00f4n x\u00e1c minh kh\u1ea3 n\u0103ng c\u1ed5ng, th\u00f4ng s\u1ed1 m\u00f4-\u0111un v\u00e0 danh s\u00e1ch t\u01b0\u01a1ng th\u00edch<\/p><\/li>\n\n\n\n<li><p>Kh\u00f4ng bao gi\u1edd ch\u1ec9 d\u1ef1a v\u00e0o \u0111\u1ed9 gi\u1ed1ng nhau v\u1ec1 m\u1eb7t v\u1eadt l\u00fd<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\uded1 H\u01b0\u1edbng d\u1eabn t\u01b0\u01a1ng th\u00edch h\u00ecnh d\u1ea1ng SFP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u01b0\u01a1ng th\u00edch h\u00ecnh d\u1ea1ng SFP ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ea3 n\u0103ng c\u1ed5ng, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u00f4-\u0111un v\u00e0 h\u1ed7 tr\u1ee3 c\u1ee7a nh\u00e0 cung c\u1ea5p. M\u1eb7c d\u00f9 SFP v\u00e0 SFP+ chia s\u1ebb c\u00f9ng m\u1ed9t giao di\u1ec7n v\u1eadt l\u00fd, nh\u01b0ng \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng th\u00e0nh c\u00f4ng c\u1ea7n kh\u1edbp t\u1ed1c \u0111\u1ed9, t\u00edn hi\u1ec7u v\u00e0 th\u00f4ng s\u1ed1 quang h\u1ecdc.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1174c0382a3a449dbcd38ea6e80a610e.jpg\" alt=\"SFP Form-Factor Compatibility Guide\" class=\"wp-image-2987\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1174c0382a3a449dbcd38ea6e80a610e.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1174c0382a3a449dbcd38ea6e80a610e-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1174c0382a3a449dbcd38ea6e80a610e-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1174c0382a3a449dbcd38ea6e80a610e-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/1174c0382a3a449dbcd38ea6e80a610e-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">SFP trong c\u1ed5ng SFP+ (t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng m\u00f4-\u0111un SFP (1G) trong c\u1ed5ng SFP+ (10G).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u2705 Khi n\u00e0o ho\u1ea1t \u0111\u1ed9ng:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng SFP+ h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng \u0111a t\u1ed1c \u0111\u1ed9 (1G\/10G)<\/p><\/li>\n\n\n\n<li><p>Ph\u1ea7n m\u1ec1m\u56fa\u4ef6 c\u1ee7a switch ho\u1eb7c NIC cho ph\u00e9p chuy\u1ec3n xu\u1ed1ng 1G<\/p><\/li>\n\n\n\n<li><p>Lo\u1ea1i m\u00f4-\u0111un \u0111\u00fang (v\u00ed d\u1ee5: 1000BASE-SX ho\u1eb7c LX) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 r\u1ed9ng r\u00e3i tr\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ed9 chuy\u1ec3n m\u1ea1ch doanh nghi\u1ec7p<\/p><\/li>\n\n\n\n<li><p>Trung t\u00e2m d\u1eef li\u1ec7u <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-tor-top-of-rack-switch\/\" target=\"_blank\" rel=\"\">\u0111\u1ea7u t\u1ee7 (top-of-rack)<\/a> C\u00e1c module SFP \u0110\u1ed3ng t\u01b0\u01a1ng th\u00edch ngay l\u1eadp t\u1ee9c v\u1edbi c\u1ed5ng SFP<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u26a0\ufe0f C\u00e1c gi\u1edbi h\u1ea1n c\u1ea7n l\u01b0u \u00fd:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u1ed5ng SFP+ \u0111\u1ec1u h\u1ed7 tr\u1ee3 1G (ki\u1ec3m tra <a href=\"https:\/\/www.l-p.com\/file\/datasheet\/ls-sm311g-40i.pdf\" target=\"_blank\" rel=\"\">b\u1ea3ng d\u1eef li\u1ec7u<\/a>)<\/p><\/li>\n\n\n\n<li><p>M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng t\u1ed1c \u0111\u1ed9 c\u1ed5ng<\/p><\/li>\n\n\n\n<li><p>Hi\u1ec7u n\u0103ng b\u1ecb gi\u1edbi h\u1ea1n \u1edf m\u1ee9c 1 Gbps, ngay c\u1ea3 khi s\u1eed d\u1ee5ng c\u1ed5ng 10G<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u274c Tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1ee3c l\u1ea1i:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>M\u00f4-\u0111un SFP+ trong c\u1ed5ng SFP KH\u00d4NG ho\u1ea1t \u0111\u1ed9ng<\/strong><\/p><\/li>\n\n\n\n<li><p>Do:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>Y\u00eau c\u1ea7u t\u00edn hi\u1ec7u cao h\u01a1n<\/p><\/li>\n\n\n\n<li><p>H\u1ea1n ch\u1ebf ph\u1ea7n c\u1ee9ng c\u1ee7a c\u1ed5ng SFP<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u1eb9o th\u1ef1c t\u1ebf:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Lu\u00f4n x\u00e1c minh t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 \u201c<a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478243.htm\">\u0111a t\u1ed1c \u0111\u1ed9<\/a>\u201d ho\u1eb7c \u201cmulti-rate\u201d trong th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u00f3a nh\u00e0 cung c\u1ea5p v\u00e0 m\u00f4-\u0111un b\u00ean th\u1ee9 ba<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 h\u00ecnh d\u1ea1ng SFP \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a th\u00f4ng qua <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\">Th\u1ecfa thu\u1eadn ngu\u1ed3n \u0111a d\u1ea1ng<\/a> (MSA), nh\u01b0ng c\u00e1c h\u1ea1n ch\u1ebf \u0111\u1eb7c th\u00f9 theo nh\u00e0 cung c\u1ea5p r\u1ea5t ph\u1ed5 bi\u1ebfn trong tri\u1ec3n khai th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u00f3a nh\u00e0 cung c\u1ea5p l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t (v\u00ed d\u1ee5: c\u00e1c nh\u00e0 cung c\u1ea5p switch l\u1edbn) tri\u1ec3n khai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Ki\u1ec3m tra x\u00e1c th\u1ef1c EEPROM<\/strong><\/p><\/li>\n\n\n\n<li><p>H\u1ea1n ch\u1ebf ph\u1ea7n m\u1ec1m\u56fa\u4ef6 \u0111\u1ed1i v\u1edbi vi\u1ec7c nh\u1eadn d\u1ea1ng b\u1ed9 thu ph\u00e1t<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c m\u00f4-\u0111un kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t c\u00f3 th\u1ec3 b\u1ecb:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>T\u1eeb ch\u1ed1i<\/p><\/li>\n\n\n\n<li><p>V\u00f4 hi\u1ec7u h\u00f3a<\/p><\/li>\n\n\n\n<li><p>Cho ph\u00e9p k\u00e8m th\u00f4ng b\u00e1o c\u1ea3nh b\u00e1o<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u1ef1c t\u1ebf v\u1ec1 m\u00f4-\u0111un b\u00ean th\u1ee9 ba:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong doanh nghi\u1ec7p v\u00e0 <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-an-isp-internet-service-provider\/\" target=\"_blank\" rel=\"\">m\u1ea1ng ISP<\/a><\/p><\/li>\n\n\n\n<li><p>Th\u01b0\u1eddng ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e1ng k\u1ec3<\/p><\/li>\n\n\n\n<li><p>Ch\u1ea5t l\u01b0\u1ee3ng thay \u0111\u1ed5i t\u00f9y nh\u00e0 cung c\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u1ee7i ro v\u00e0 y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thi\u1ebfu h\u1ed7 tr\u1ee3 ch\u00ednh th\u1ee9c t\u1eeb nh\u00e0 cung c\u1ea5p (TAC c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i h\u1ed7 tr\u1ee3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1)<\/p><\/li>\n\n\n\n<li><p>V\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch ph\u1ea7n m\u1ec1m\u56fa\u4ef6 ti\u1ec1m \u1ea9n sau c\u00e1c b\u1ea3n n\u00e2ng c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>Hi\u1ec7u n\u0103ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh \u1edf c\u00e1c m\u00f4-\u0111un ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 S\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 x\u00e1c th\u1ef1c <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\">c\u00e1c m\u00f4-\u0111un b\u00ean th\u1ee9 ba<br><\/a> c\u00f3 m\u00e3 t\u01b0\u01a1ng th\u00edch d\u00e0nh ri\u00eang cho thi\u1ebft b\u1ecb m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y ra v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch SFP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 khi h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd kh\u1edbp nhau, nhi\u1ec1u tri\u1ec3n khai v\u1eabn th\u1ea5t b\u1ea1i do s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch kh\u00f4ng r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1ef1 kh\u00f4ng kh\u1edbp v\u1ec1 t\u1ed1c \u0111\u1ed9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch gi\u1eefa SFP (1G) v\u00e0 SFP+ (10G)<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng kh\u00f4ng h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u y\u00eau c\u1ea7u<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1ef1 kh\u00f4ng kh\u1edbp v\u1ec1 th\u00f4ng s\u1ed1 quang h\u1ecdc<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1ef1 kh\u00f4ng kh\u1edbp v\u1ec1 b\u01b0\u1edbc s\u00f3ng (v\u00ed d\u1ee5: 850 nm so v\u1edbi 1310 nm)<\/p><\/li>\n\n\n\n<li><p>S\u1ef1 kh\u00f4ng kh\u1edbp v\u1ec1 lo\u1ea1i c\u00e1p quang:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>\u0110a mode (MMF) so v\u1edbi \u0111\u01a1n mode (SMF)<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 H\u1eadu qu\u1ea3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f4ng c\u00f3 li\u00ean k\u1ebft ho\u1eb7c k\u1ebft n\u1ed1i kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u1ea1n ch\u1ebf t\u1eeb nh\u00e0 cung c\u1ea5p ho\u1eb7c ph\u1ea7n m\u1ec1m\u56fa\u4ef6<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u00f4-\u0111un kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1eadn di\u1ec7n do b\u1ecb kh\u00f3a b\u1edfi nh\u00e0 cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m\u56fa\u4ef6 l\u00e0m m\u1ea5t t\u00ednh t\u01b0\u01a1ng th\u00edch<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u1ea1n ch\u1ebf v\u1ec1 \u0111i\u1ec7n n\u0103ng v\u00e0 nhi\u1ec7t<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c m\u00f4-\u0111un ti\u00eau th\u1ee5 c\u00f4ng su\u1ea5t cao (\u0111\u1eb7c bi\u1ec7t l\u00e0 <a href=\"https:\/\/www.l-p.com\/products\/482687.htm\" target=\"_self\">SFP+ RJ45 10G<\/a>)<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng kh\u00f4ng th\u1ec3 cung c\u1ea5p \u0111\u1ee7 \u0111i\u1ec7n n\u0103ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 C\u00e1c bi\u1ec3u hi\u1ec7n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1eaft c\u1ed5ng<\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft ng\u1eaft ng\u1eaft qu\u00e3ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u1ea5n \u0111\u1ec1 c\u01a1 h\u1ecdc ho\u1eb7c v\u1eadt l\u00fd<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>L\u1eafp \u0111\u1eb7t kh\u00f4ng \u0111\u00fang c\u00e1ch<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ea7u n\u1ed1i b\u1ea9n ho\u1eb7c b\u1ecb h\u01b0 h\u1ecfng<\/p><\/li>\n\n\n\n<li><p>Ch\u1ea5t l\u01b0\u1ee3ng c\u00e1p k\u00e9m<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u00e3n s\u1ea3n ph\u1ea9m g\u00e2y hi\u1ec3u l\u1ea7m<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><span>\u201cSFP 10G\u201d b\u1ecb di\u1ec5n gi\u1ea3i sai<\/span><\/p><\/li>\n\n\n\n<li><p><span>Mua nh\u1ea7m m\u00f4-\u0111un do t\u00ean g\u1ecdi kh\u00f4ng r\u00f5 r\u00e0ng<\/span><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Danh s\u00e1ch ki\u1ec3m tra kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi thay th\u1ebf ph\u1ea7n c\u1ee9ng, h\u00e3y x\u00e1c minh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u2705 Lo\u1ea1i c\u1ed5ng v\u00e0 t\u1ed1c \u0111\u1ed9 h\u1ed7 tr\u1ee3<\/p><\/li>\n\n\n\n<li><p>\u2705 Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a m\u00f4-\u0111un (b\u1ea3ng d\u1eef li\u1ec7u)<\/p><\/li>\n\n\n\n<li><p>\u2705 Lo\u1ea1i c\u00e1p quang v\u00e0 b\u01b0\u1edbc s\u00f3ng<\/p><\/li>\n\n\n\n<li><p>\u2705 T\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi nh\u00e0 cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>\u2705 Gi\u1edbi h\u1ea1n v\u1ec1 \u0111i\u1ec7n n\u0103ng v\u00e0 nhi\u1ec7t<\/p><\/li>\n<\/ul>\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>T\u00ednh t\u01b0\u01a1ng th\u00edch v\u1ec1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd SFP kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o ch\u1ec9 d\u1ef1a tr\u00ean vi\u1ec7c l\u1eafp v\u1eeba kh\u00edt.<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh \u0111\u00f2i h\u1ecfi s\u1ef1 \u0111\u1ed3ng b\u1ed9 tr\u00ean c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u00edn hi\u1ec7u \u0111i\u1ec7n<\/p><\/li>\n\n\n\n<li><p>Th\u00f4ng s\u1ed1 quang h\u1ecdc<\/p><\/li>\n\n\n\n<li><p>H\u1ec7 sinh th\u00e1i nh\u00e0 cung c\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\uded1 C\u00e1c v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf khi tri\u1ec3n khai m\u00f4-\u0111un c\u00f3 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd SFP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd SFP mang l\u1ea1i t\u00ednh linh ho\u1ea1t v\u00e0 chu\u1ea9n h\u00f3a, nh\u01b0ng trong th\u1ef1c t\u1ebf, vi\u1ec7c tri\u1ec3n khai th\u01b0\u1eddng g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn gi\u1edbi h\u1ea1n nhi\u1ec7t, r\u00e0ng bu\u1ed9c c\u01a1 h\u1ecdc v\u00e0 l\u1ef1a ch\u1ecdn m\u00f4-\u0111un sai \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i do ch\u00ednh h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd SFP.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73826949dbeb4711bcba7feefb04693a.jpg\" alt=\"Real-World Problems with SFP Form-Factor Deployments\" class=\"wp-image-2988\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73826949dbeb4711bcba7feefb04693a.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73826949dbeb4711bcba7feefb04693a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73826949dbeb4711bcba7feefb04693a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73826949dbeb4711bcba7feefb04693a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/73826949dbeb4711bcba7feefb04693a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">V\u1ea5n \u0111\u1ec1 nhi\u1ec7t v\u00e0 \u0111i\u1ec7n n\u0103ng (\u0111\u1eb7c bi\u1ec7t v\u1edbi SFP+ RJ45 10G)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o nh\u1ea5t trong tri\u1ec3n khai th\u1ef1c t\u1ebf l\u00e0 nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng v\u01b0\u1ee3t m\u1ee9c, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/472675.htm\">10GBase-T<\/a> (RJ45) c\u00e1c m\u00f4-\u0111un SFP+.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nguy\u00ean nh\u00e2n x\u1ea3y ra:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c m\u00f4-\u0111un SFP+ d\u00f9ng c\u00e1p \u0111\u1ed3ng y\u00eau c\u1ea7u:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>C\u00f4ng su\u1ea5t cao h\u01a1n (th\u01b0\u1eddng t\u1eeb 2,5W\u20133W ho\u1eb7c cao h\u01a1n)<\/p><\/li>\n\n\n\n<li><p>X\u1eed l\u00fd t\u00edn hi\u1ec7u ph\u1ee9c t\u1ea1p (10G tr\u00ean c\u1eb7p xo\u1eafn)<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 M\u1ee9c n\u00e0y cao \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c m\u00f4-\u0111un SFP quang, v\u1ed1n th\u01b0\u1eddng ti\u00eau th\u1ee5 <strong>&lt;1W<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c bi\u1ec3u hi\u1ec7n ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c c\u1ed5ng switch tr\u1edf n\u00ean r\u1ea5t n\u00f3ng<\/p><\/li>\n\n\n\n<li><p>T\u1ef1 \u0111\u1ed9ng t\u1eaft c\u1ed5ng ho\u1eb7c gi\u1ea3m hi\u1ec7u su\u1ea5t<\/p><\/li>\n\n\n\n<li><p>Tu\u1ed5i th\u1ecd m\u00f4-\u0111un gi\u1ea3m<\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c ng\u1eaft qu\u00e3ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u1ee7i ro khi tri\u1ec3n khai:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c switch m\u1eadt \u0111\u1ed9 cao c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 l\u1eafp \u0111\u1ea7y <a href=\"https:\/\/www.l-p.com\/products\/482686.htm\" target=\"_self\">SFP+ RJ45<\/a> m\u00f4-\u0111un<\/p><\/li>\n\n\n\n<li><p>H\u1ea1n ch\u1ebf thi\u1ebft k\u1ebf nhi\u1ec7t trong c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ki\u1ec3m tra ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t c\u1ee7a c\u1ed5ng chuy\u1ec3n m\u1ea1ch<\/p><\/li>\n\n\n\n<li><p>Tr\u00e1nh l\u1eafp \u0111\u1ea7y t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng b\u1eb1ng c\u00e1c m\u00f4-\u0111un ti\u00eau th\u1ee5 c\u00f4ng su\u1ea5t cao<\/p><\/li>\n\n\n\n<li><p>\u01afu ti\u00ean c\u00e1p DAC (<a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/direct-attach-cables-dac-in-networking\/\" target=\"_blank\" rel=\"\">\u0110\u1ed3ng tr\u1ef1c ti\u1ebfp g\u1eafn<\/a>) ho\u1eb7c m\u00f4-\u0111un quang khi c\u00f3 th\u1ec3<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ea1n ch\u1ebf v\u1ec1 kh\u00f4ng gian v\u1eadt l\u00fd v\u00e0 c\u1ed5ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 m\u00f4-\u0111un SFP nh\u1ecf g\u1ecdn, nh\u01b0ng c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 thi\u1ebft k\u1ebf v\u1eadt l\u00fd v\u1eabn c\u00f3 th\u1ec3 g\u00e2y ra th\u00e1ch th\u1ee9c khi tri\u1ec3n khai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c c\u1ed5ng b\u1ecb h\u1ea1n ch\u1ebf<\/p><\/li>\n\n\n\n<li><p>H\u1ea1n ch\u1ebf b\u00e1n k\u00ednh u\u1ed1n c\u00e1p<\/p><\/li>\n\n\n\n<li><p>G\u00e2y nhi\u1ec5u v\u1edbi c\u00e1c m\u00f4-\u0111un li\u1ec1n k\u1ec1 ho\u1eb7c c\u1eeda t\u1ee7<\/p><\/li>\n\n\n\n<li><p>Kh\u00f3 c\u1eafm ho\u1eb7c th\u00e1o m\u00f4-\u0111un trong c\u1ea5u h\u00ecnh d\u00e0y \u0111\u1eb7c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u00f4-\u0111un SFP RJ45 th\u01b0\u1eddng d\u00e0i v\u00e0 c\u1ed3ng k\u1ec1nh h\u01a1n <a href=\"https:\/\/www.l-p.com\/products\/476908.htm\" target=\"_self\">SFP quang t\u01b0\u01a1ng th\u00edch<\/a><\/p><\/li>\n\n\n\n<li><p>C\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1eadt \u0111\u1ed9 cao (v\u00ed d\u1ee5: 48 c\u1ed5ng) \u0111\u1ec3 l\u1ea1i r\u1ea5t \u00edt kh\u00f4ng gian cho vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn vi\u1ec7c tri\u1ec3n khai:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Gi\u1ea3m kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u00e1c c\u1ed5ng li\u1ec1n k\u1ec1<\/p><\/li>\n\n\n\n<li><p>T\u0103ng nguy c\u01a1 h\u01b0 h\u1ecfng \u0111\u1ea7u n\u1ed1i<\/p><\/li>\n\n\n\n<li><p>B\u1ea3o tr\u00ec v\u00e0 thay th\u1ebf tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>L\u00ean k\u1ebf ho\u1ea1ch \u0111\u1ecbnh tuy\u1ebfn c\u00e1p v\u00e0 lu\u1ed3ng kh\u00ed tr\u01b0\u1edbc<\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un ng\u1eafn h\u01a1n (<a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/dac-vs-aoc-differences-explained-for-modern-networks\/\" target=\"_blank\" rel=\"\">DAC\/AOC<\/a>) khi \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c<\/p><\/li>\n\n\n\n<li><p>X\u00e1c minh kho\u1ea3ng c\u00e1ch c\u01a1 h\u1ecdc trong thi\u1ebft k\u1ebf t\u1ee7 rack<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u00e3n s\u1ea3n ph\u1ea9m g\u00e2y hi\u1ec3u l\u1ea7m v\u00e0 sai l\u1ea7m khi mua<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t nguy\u00ean nh\u00e2n l\u1edbn kh\u00e1c g\u00e2y ra s\u1ef1 c\u1ed1 l\u00e0 l\u1ef1a ch\u1ecdn m\u00f4-\u0111un sai do quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean kh\u00f4ng r\u00f5 r\u00e0ng ho\u1eb7c g\u00e2y hi\u1ec3u l\u1ea7m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn v\u1ec1 nh\u00e3n:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u201cD\u00f9ng \u201d10G SFP\u201d thay v\u00ec SFP+<\/p><\/li>\n\n\n\n<li><p>Thi\u1ebfu th\u00f4ng tin chi ti\u1ebft v\u1ec1:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>B\u01b0\u1edbc s\u00f3ng<br><\/p><\/li>\n\n\n\n<li><p>Lo\u1ea1i s\u1ee3i quang (SMF so v\u1edbi MMF)<\/p><\/li>\n\n\n\n<li><p>M\u00e3 h\u00f3a t\u01b0\u01a1ng th\u00edch<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c sai l\u1ea7m ph\u1ed5 bi\u1ebfn khi mua:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u274c Sai l\u1ea7m 1: Gi\u1ea3 \u0111\u1ecbnh y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Mua m\u00f4-\u0111un SFP thay v\u00ec SFP+ cho c\u1ed5ng 10G<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u274c Sai l\u1ea7m 2: B\u1ecf qua t\u00ednh t\u01b0\u01a1ng th\u00edch s\u1ee3i quang<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>D\u00f9ng m\u00f4-\u0111un \u0111a mode v\u1edbi s\u1ee3i \u0111\u01a1n mode<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u274c Sai l\u1ea7m 3: Kh\u00f4ng ch\u00fa \u00fd \u0111\u1ebfn t\u00ednh t\u01b0\u01a1ng th\u00edch nh\u00e0 cung c\u1ea5p<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Mua m\u00f4-\u0111un kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ed9 chuy\u1ec3n m\u1ea1ch h\u1ed7 tr\u1ee3<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u274c Sai l\u1ea7m 4: Ch\u1ecdn m\u00f4-\u0111un RJ45 SFP+ m\u00e0 kh\u00f4ng ki\u1ec3m tra gi\u1edbi h\u1ea1n c\u00f4ng su\u1ea5t<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>D\u1eabn \u0111\u1ebfn qu\u00e1 nhi\u1ec7t v\u00e0 s\u1ef1 c\u1ed1 c\u1ed5ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch tr\u00e1nh nh\u1eefng sai l\u1ea7m n\u00e0y:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi mua, lu\u00f4n x\u00e1c minh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u2705 Lo\u1ea1i m\u00f4-\u0111un ch\u00ednh x\u00e1c (SFP hay SFP+)<\/p><\/li>\n\n\n\n<li><p>\u2705 T\u1ed1c \u0111\u1ed9 v\u00e0 \u1ee9ng d\u1ee5ng (1G \/ 10G \/ v.v.)<\/p><\/li>\n\n\n\n<li><p>\u2705 Lo\u1ea1i c\u00e1p quang v\u00e0 b\u01b0\u1edbc s\u00f3ng<\/p><\/li>\n\n\n\n<li><p>\u2705 T\u00ednh t\u01b0\u01a1ng th\u00edch thi\u1ebft b\u1ecb (do nh\u00e0 cung c\u1ea5p ho\u1eb7c b\u00ean th\u1ee9 ba ki\u1ec3m tra)<\/p><\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ph\u1ea7n l\u1edbn s\u1ef1 c\u1ed1 tri\u1ec3n khai SFP kh\u00f4ng xu\u1ea5t ph\u00e1t t\u1eeb ch\u00ednh y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng, m\u00e0 do gi\u1edbi h\u1ea1n nhi\u1ec7t, h\u1ea1n ch\u1ebf v\u1eadt l\u00fd v\u00e0 l\u1ef1a ch\u1ecdn m\u00f4-\u0111un sai.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\uded1 C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng SFP<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ef0f502a3e89482ba961bc7d6f34d8dc.jpg\" alt=\"Frequently Asked Questions About SFP Form-Factor\" class=\"wp-image-2989\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ef0f502a3e89482ba961bc7d6f34d8dc.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ef0f502a3e89482ba961bc7d6f34d8dc-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ef0f502a3e89482ba961bc7d6f34d8dc-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ef0f502a3e89482ba961bc7d6f34d8dc-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ef0f502a3e89482ba961bc7d6f34d8dc-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng trong SFP l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng trong SFP (Small Form-Factor Pluggable) \u0111\u1ec1 c\u1eadp \u0111\u1ebfn thi\u1ebft k\u1ebf v\u1eadt l\u00fd v\u00e0 giao di\u1ec7n ti\u00eau chu\u1ea9n c\u1ee7a m\u1ed9t m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb m\u1ea1ng. N\u00f3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, h\u00ecnh d\u00e1ng v\u00e0 c\u00e1ch m\u00f4-\u0111un k\u1ebft n\u1ed1i v\u1edbi c\u1ed5ng chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u01a1 h\u1ecdc gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng kh\u00f4ng x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh hi\u1ec7u n\u0103ng nh\u01b0 t\u1ed1c \u0111\u1ed9, kho\u1ea3ng c\u00e1ch ho\u1eb7c b\u01b0\u1edbc s\u00f3ng\u2014nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y do lo\u1ea1i m\u00f4-\u0111un SFP c\u1ee5 th\u1ec3 quy\u1ebft \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng SFP v\u00e0 SFP+ l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa <strong>SFP v\u00e0 SFP+ l\u00e0 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 t\u00edn hi\u1ec7u \u0111i\u1ec7n<\/strong>, ch\u1ee9 kh\u00f4ng ph\u1ea3i k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP:<\/strong> th\u01b0\u1eddng h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a <strong>1 Gbps<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>SFP+:<\/strong> h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a <strong>10 Gbps<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai \u0111\u1ec1u chia s\u1ebb c\u00f9ng m\u1ed9t y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd, nh\u01b0ng SFP+ y\u00eau c\u1ea7u t\u00edn hi\u1ec7u t\u1ed1c \u0111\u1ed9 cao ti\u00ean ti\u1ebfn h\u01a1n v\u00e0 kh\u00f4ng lu\u00f4n t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi c\u00e1c c\u1ed5ng SFP.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng b\u1ed9 thu ph\u00e1t l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng b\u1ed9 thu ph\u00e1t<\/strong> l\u00e0 \u0111\u1eb7c t\u1ea3 v\u1eadt l\u00fd ti\u00eau chu\u1ea9n x\u00e1c \u0111\u1ecbnh c\u00e1ch thi\u1ebft k\u1ebf m\u1ed9t m\u00f4-\u0111un m\u1ea1ng c\u00f3 th\u1ec3 c\u1eafm r\u1eddi v\u00e0 c\u00e1ch n\u00f3 giao ti\u1ebfp v\u1edbi ph\u1ea7n c\u1ee9ng m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd<\/p><\/li>\n\n\n\n<li><p>Lo\u1ea1i v\u00e0 b\u1ed1 tr\u00ed \u0111\u1ea7u n\u1ed1i<\/p><\/li>\n\n\n\n<li><p>Giao di\u1ec7n \u0111i\u1ec7n v\u1edbi thi\u1ebft b\u1ecb ch\u1ee7<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng b\u1ed9 thu ph\u00e1t ph\u1ed5 bi\u1ebfn bao g\u1ed3m SFP, SFP+, SFP28, QSFP v\u00e0 QSFP28, m\u1ed7i lo\u1ea1i h\u1ed7 tr\u1ee3 c\u00e1c m\u1ee9c b\u0103ng th\u00f4ng v\u00e0 \u1ee9ng d\u1ee5ng m\u1ea1ng kh\u00e1c nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00f3 c\u00e1c y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng SFP+ kh\u00e1c nhau hay kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng, <strong>SFP+ ch\u1ec9 c\u00f3 m\u1ed9t y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd ti\u00eau chu\u1ea9n<\/strong>, ngh\u0129a l\u00e0 t\u1ea5t c\u1ea3 c\u00e1c m\u00f4-\u0111un SFP+ \u0111\u1ec1u c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc v\u00e0 thi\u1ebft k\u1ebf giao di\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, c\u00e1c m\u00f4-\u0111un SFP+ c\u00f3 nhi\u1ec1u lo\u1ea1i v\u00e0 danh m\u1ee5c hi\u1ec7u n\u0103ng kh\u00e1c nhau, v\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/475415.htm\" target=\"_self\">SR<\/a> (ph\u1ea1m vi ng\u1eafn, s\u1ee3i quang \u0111a mode)<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/475779.htm\" target=\"_self\">LR<\/a> (ph\u1ea1m vi xa, s\u1ee3i quang \u0111\u01a1n mode)<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/477775.htm\" target=\"_self\">ER<\/a> (Ph\u1ea1m vi m\u1edf r\u1ed9ng)<\/p><\/li>\n\n\n\n<li><p>DAC (\u0110\u1ed3ng n\u1ed1i tr\u1ef1c ti\u1ebfp)<\/p><\/li>\n\n\n\n<li><p>10GBase-T (\u0111\u1ed3ng RJ45)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng bi\u1ebfn th\u1ec3 n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u n\u0103ng nh\u01b0ng <strong>kh\u00f4ng thay \u0111\u1ed5i y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng b\u1ea3n th\u00e2n n\u00f3<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00f4-\u0111un SFP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ed5ng SFP+ hay kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p m\u00f4-\u0111un SFP (1G) c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong c\u1ed5ng SFP+, mi\u1ec5n l\u00e0 c\u1ed5ng h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng \u0111a t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ph\u1ee5 thu\u1ed9c v\u00e0o ph\u1ea7n c\u1ee9ng v\u00e0 h\u1ed7 tr\u1ee3 firmware c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao m\u00f4-\u0111un SFP l\u1ea1i h\u1ecfng ngay c\u1ea3 khi ch\u00fang v\u1eeba kh\u00edt v\u1ec1 m\u1eb7t v\u1eadt l\u00fd?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP c\u00f3 th\u1ec3 b\u1ecb l\u1ed7i m\u1eb7c d\u00f9 v\u1eeba kh\u00edt v\u00ec t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t v\u1eadt l\u00fd kh\u00f4ng \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t \u0111i\u1ec7n ho\u1eb7c quang h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f4ng kh\u1edbp t\u1ed1c \u0111\u1ed9 (1G so v\u1edbi 10G)<\/p><\/li>\n\n\n\n<li><p>Kh\u00f4ng kh\u1edbp b\u01b0\u1edbc s\u00f3ng (v\u00ed d\u1ee5: 850nm so v\u1edbi 1310nm)<\/p><\/li>\n\n\n\n<li><p>Kh\u00f4ng kh\u1edbp lo\u1ea1i c\u00e1p quang (MMF so v\u1edbi SMF)<\/p><\/li>\n\n\n\n<li><p>H\u1ea1n ch\u1ebf \u0111\u1eb7c th\u00f9 c\u1ee7a nh\u00e0 cung c\u1ea5p ho\u1eb7c kh\u00f3a\u56fa\u4ef6<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Lo\u1ea1i m\u00f4-\u0111un SFP ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c lo\u1ea1i m\u00f4-\u0111un SFP ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/482144.htm\" target=\"_self\"><strong>C\u00e1c h\u1ea1n ch\u1ebf m\u00e3 h\u00f3a c\u1ee7a nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1ee3c xem x\u00e9t n\u1ebfu s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb quang h\u1ecdc c\u1ee7a b\u00ean th\u1ee9 ba<\/strong><\/a> (s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 t\u1ea7m ng\u1eafn)<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/477879.htm\" target=\"_self\"><strong>1000BASE-LX<\/strong><\/a> (s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 t\u1ea7m xa)<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476771.htm\" target=\"_self\"><strong>SFP RJ45 <\/strong><\/a><strong>m\u00f4-\u0111un \u0111\u1ed3ng<\/strong> (Ethernet qua c\u1eb7p xo\u1eafn)<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/store-27039-1g-bidi-sfp.htm\" target=\"_self\"><strong>B\u1ed9 thu ph\u00e1t SFP BiDi<\/strong><\/a><strong> m\u00f4-\u0111un<\/strong> (truy\u1ec1n d\u1eabn hai chi\u1ec1u tr\u00ean s\u1ee3i \u0111\u01a1n)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c m\u00f4i tr\u01b0\u1eddng m\u1ea1ng v\u00e0 y\u00eau c\u1ea7u kho\u1ea3ng c\u00e1ch kh\u00e1c nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SFP v\u1eabn c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, SFP v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>L\u1edbp truy c\u1eadp doanh nghi\u1ec7p<\/p><\/li>\n\n\n\n<li><p>M\u1ea1ng c\u00f4ng nghi\u1ec7p<\/p><\/li>\n\n\n\n<li><p>N\u00e2ng c\u1ea5p h\u1ea1 t\u1ea7ng c\u0169<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, n\u00f3 \u0111ang d\u1ea7n \u0111\u01b0\u1ee3c b\u1ed5 sung ho\u1eb7c thay th\u1ebf b\u1edfi <strong>C\u00e1c gi\u1ea3i ph\u00e1p d\u1ef1a tr\u00ean SFP+ (10G), SFP28 (25G) v\u00e0 QSFP<\/strong> trong c\u00e1c m\u00f4i tr\u01b0\u1eddng hi\u1ec7u n\u0103ng cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\uded1 Nh\u1eefng \u0111i\u1ec3m c\u1ea7n ghi nh\u1edb ch\u00ednh v\u1ec1 d\u1ea1ng th\u1ee9c SFP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n h\u01b0\u1edbng t\u1edbi t\u1ed1c \u0111\u1ed9 cao h\u01a1n v\u00e0 m\u1eadt \u0111\u1ed9 l\u1edbn h\u01a1n, d\u1ea1ng h\u00ecnh th\u1ee9c SFP v\u1eabn l\u00e0 m\u1ed9t kh\u1ed1i x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng doanh nghi\u1ec7p, vi\u1ec5n th\u00f4ng v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u. Tuy nhi\u00ean, nh\u01b0 h\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u00e3 ch\u1ec9 ra, vi\u1ec7c tri\u1ec3n khai th\u00e0nh c\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 h\u01a1n h\u1eb3n so v\u1edbi s\u1ef1 t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t v\u1eadt l\u00fd \u0111\u01a1n thu\u1ea7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1ch th\u1ee9c SFP li\u00ean h\u1ec7 v\u1edbi SFP+, c\u00e1c \u0111\u1eb7c t\u1ea3 quang h\u1ecdc, t\u00edn hi\u1ec7u \u0111i\u1ec7n v\u00e0 h\u1ec7 sinh th\u00e1i nh\u00e0 cung c\u1ea5p l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu nh\u1eb1m tr\u00e1nh nh\u1eefng l\u1ed7i c\u1ea5u h\u00ecnh t\u1ed1n k\u00e9m v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i cho m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 t\u00f3m t\u1eaft nh\u1eefng th\u00f4ng tin k\u1ef9 thu\u1eadt quan tr\u1ecdng nh\u1ea5t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>D\u1ea1ng h\u00ecnh th\u1ee9c SFP x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac v\u1eadt l\u00fd, ch\u1ee9 kh\u00f4ng x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng hi\u1ec7u su\u1ea5t<\/p><\/li>\n\n\n\n<li><p>C\u00e1c module SFP, SFP+, SFP28 v\u00e0 QSFP chia s\u1ebb c\u00f9ng m\u1ed9t kh\u00e1i ni\u1ec7m ti\u00eau chu\u1ea9n h\u00f3a nh\u01b0ng kh\u00e1c nhau v\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 thi\u1ebft k\u1ebf \u0111i\u1ec7n<\/p><\/li>\n\n\n\n<li><p>S\u1ef1 t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t v\u1eadt l\u00fd kh\u00f4ng \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t ch\u1ee9c n\u0103ng<\/p><\/li>\n\n\n\n<li><p>H\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf ph\u00e1t sinh t\u1eeb s\u1ef1 kh\u00f4ng kh\u1edbp v\u1ec1 t\u1ed1c \u0111\u1ed9, b\u01b0\u1edbc s\u00f3ng, lo\u1ea1i c\u00e1p quang ho\u1eb7c h\u1ea1n ch\u1ebf c\u1ee7a nh\u00e0 cung c\u1ea5p \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i do ch\u00ednh d\u1ea1ng h\u00ecnh th\u1ee9c g\u00e2y ra<\/p><\/li>\n\n\n\n<li><p>Vi\u1ec7c l\u1ef1a ch\u1ecdn module ph\u00f9 h\u1ee3p \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO) c\u1ee7a m\u1ea1ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Trong th\u1ef1c t\u1ebf, k\u1ef9 s\u01b0 lu\u00f4n c\u1ea7n x\u00e1c minh ma tr\u1eadn t\u01b0\u01a1ng th\u00edch thi\u1ebft b\u1ecb v\u00e0 \u0111\u1eb7c t\u1ea3 module tr\u01b0\u1edbc khi tri\u1ec3n khai, thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o s\u1ef1 t\u01b0\u01a1ng \u0111\u1ed3ng v\u1ec1 d\u1ea1ng h\u00ecnh th\u1ee9c.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/455cb6fa959b47bca504080e3ac4df97.jpg\" alt=\"Key Takeaways on SFP Form-Factor\" class=\"wp-image-2990\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/455cb6fa959b47bca504080e3ac4df97.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/455cb6fa959b47bca504080e3ac4df97-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/455cb6fa959b47bca504080e3ac4df97-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/455cb6fa959b47bca504080e3ac4df97-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/455cb6fa959b47bca504080e3ac4df97-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng d\u1ef1a tr\u00ean SFP \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3, k\u1ef9 s\u01b0 n\u00ean d\u1ef1a v\u00e0o c\u00e1c \u0111\u1eb7c t\u1ea3 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh v\u00e0 d\u1eef li\u1ec7u t\u01b0\u01a1ng th\u00edch \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m th\u1eed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c trong mua s\u1eafm v\u00e0 gi\u1ea3m r\u1ee7i ro tri\u1ec3n khai b\u1eb1ng c\u00e1ch truy c\u1eadp:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud83d\udcd8 B\u1ea3ng d\u1eef li\u1ec7u s\u1ea3n ph\u1ea9m chi ti\u1ebft<\/p><\/li>\n\n\n\n<li><p>\ud83d\udd17 H\u01b0\u1edbng d\u1eabn t\u01b0\u01a1ng th\u00edch cho c\u00e1c n\u1ec1n t\u1ea3ng switch ph\u1ed5 bi\u1ebfn<\/p><\/li>\n\n\n\n<li><p>\u2699\ufe0f \u0110\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh <a href=\"https:\/\/www.l-p.com\/store-27039-1g-bidi-sfp.htm\" target=\"_self\">B\u1ed9 thu ph\u00e1t SFP<\/a> v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p LAN magnetics<\/p><\/li>\n\n\n\n<li><p>\ud83d\uded2 C\u00e1c th\u00e0nh ph\u1ea7n m\u1ea1ng chuy\u00ean d\u1ee5ng c\u1ea5p \u0111\u1ed9 chuy\u00ean nghi\u1ec7p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Kh\u00e1m ph\u00e1 c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady v\u00e0 t\u00e0i nguy\u00ean k\u1ef9 thu\u1eadt t\u1ea1i <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\"><strong>C\u1eeda h\u00e0ng Ch\u00ednh th\u1ee9c LINK-PP<\/strong><\/a>, n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf k\u1ef9 l\u01b0\u1ee1ng nh\u1eb1m \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t nh\u1ea5t qu\u00e1n trong c\u00e1c m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u v\u1ec1 \u0111\u1ecbnh d\u1ea1ng SFP, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SFP v\u00e0 SFP+, quy t\u1eafc t\u01b0\u01a1ng th\u00edch, c\u00f9ng c\u00e1c th\u00f4ng tin tri\u1ec3n khai th\u1ef1c t\u1ebf \u0111\u1ec3 l\u1ef1a ch\u1ecdn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u00f9 h\u1ee3p cho m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>","protected":false},"author":1,"featured_media":2991,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-2992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2992","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=2992"}],"version-history":[{"count":2,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2992\/revisions"}],"predecessor-version":[{"id":8124,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2992\/revisions\/8124"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/2991"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=2992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=2992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=2992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}