{"id":3228,"date":"2026-03-02T00:00:00","date_gmt":"2026-03-02T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/sfp-stand-for-in-networking-explained\/"},"modified":"2026-06-22T04:08:18","modified_gmt":"2026-06-22T04:08:18","slug":"sfp-stand-for-in-networking-explained","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-stand-for-in-networking-explained","title":{"rendered":"SFP l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a g\u00ec trong m\u1ea1ng m\u00e1y t\u00ednh? Gi\u1ea3i th\u00edch \u00fd ngh\u0129a"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9676d9a2deec4b2bb7e1d556b25d8b7b.jpg\" alt=\"What Does SFP Stand For\" class=\"wp-image-3219\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9676d9a2deec4b2bb7e1d556b25d8b7b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9676d9a2deec4b2bb7e1d556b25d8b7b-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9676d9a2deec4b2bb7e1d556b25d8b7b-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9676d9a2deec4b2bb7e1d556b25d8b7b-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9676d9a2deec4b2bb7e1d556b25d8b7b-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">SFP l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a <strong>Typical Medium<\/strong>. N\u00f3 l\u00e0 m\u1ed9t m\u00f4-\u0111un nh\u1ecf g\u1ecdn, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478230.htm\">b\u1ed9 thu ph\u00e1t c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng<\/a> \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n (MSA) v\u1ec1 Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf (SFF) nh\u1eb1m cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i giao di\u1ec7n m\u1ea1ng linh ho\u1ea1t. V\u1ec1 m\u1eb7t th\u1ef1c ti\u1ec5n trong m\u1ea1ng, m\u1ed9t m\u00f4-\u0111un SFP l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra (I\/O) c\u00f3 th\u1ec3 c\u1eafm r\u1eddi, \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, t\u01b0\u1eddng l\u1eeda v\u00e0 th\u1ebb giao di\u1ec7n m\u1ea1ng (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-nic-network-interface-card\/\">b\u1ed9 \u0111i\u1ec1u khi\u1ec3n giao di\u1ec7n m\u1ea1ng (NIC)<br><\/a>), c\u0169ng nh\u01b0 thi\u1ebft b\u1ecb v\u1eadn chuy\u1ec3n quang \u0111\u1ec3 k\u00edch ho\u1ea1t c\u00e1c li\u00ean k\u1ebft s\u1ee3i quang ho\u1eb7c \u0111\u1ed3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng SFP \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u nh\u01b0 m\u1ed9t phi\u00ean b\u1ea3n k\u1ebf th\u1eeba nh\u1ecf h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi GBIC (B\u1ed9 chuy\u1ec3n \u0111\u1ed5i Giao di\u1ec7n Gigabit) tr\u01b0\u1edbc \u0111\u00f3. B\u1eb1ng c\u00e1ch gi\u1ea3m k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd trong khi v\u1eabn duy tr\u00ec t\u00ednh m\u00f4-\u0111un, SFP cho ph\u00e9p t\u0103ng m\u1eadt \u0111\u1ed9 c\u1ed5ng tr\u00ean ph\u1ea7n c\u1ee9ng m\u1ea1ng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c. V\u00ec c\u00e1c m\u00f4-\u0111un SFP tu\u00e2n theo c\u00e1c \u0111\u1eb7c t\u1ea3 \u0111i\u1ec7n v\u00e0 c\u01a1 h\u1ecdc chu\u1ea9n h\u00f3a trong khu\u00f4n kh\u1ed5 MSA, c\u00e1c nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf c\u00e1c c\u1ed5ng h\u1ed7 tr\u1ee3 nhi\u1ec1u bi\u1ebfn th\u1ec3 quang ho\u1eb7c \u0111\u1ed3ng trong c\u00f9ng m\u1ed9t khe c\u1eafm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 m\u1eb7t ch\u1ee9c n\u0103ng, m\u1ed9t <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476091.htm\">m\u00f4-\u0111un SFP<\/a> th\u1ef1c hi\u1ec7n vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n\u2013quang (v\u00e0 quang\u2013\u0111i\u1ec7n) khi s\u1eed d\u1ee5ng v\u1edbi s\u1ee3i quang, ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n t\u00edn hi\u1ec7u \u0111i\u1ec7n khi s\u1eed d\u1ee5ng v\u1edbi c\u00e1c giao di\u1ec7n \u0111\u1ed3ng. T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u \u0111i\u1ec3n h\u00ecnh c\u1ee7a c\u00e1c m\u00f4-\u0111un SFP ti\u00eau chu\u1ea9n l\u00ean t\u1edbi 1 Gb\/s theo <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/ieee-802-3-ethernet-standard-explained\/\">\u0111\u1eb7c t\u1ea3 IEEE 802.3<\/a> (v\u00ed d\u1ee5 nh\u01b0 1000BASE-SX v\u00e0 1000BASE-LX), m\u1eb7c d\u00f9 c\u00f9ng y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd n\u00e0y sau \u0111\u00f3 \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh SFP+ d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng 10 Gb\/s. Ki\u1ebfn tr\u00fac m\u00f4-\u0111un cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1ea1ng l\u1ef1a ch\u1ecdn b\u01b0\u1edbc s\u00f3ng, kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn v\u00e0 lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n ph\u00f9 h\u1ee3p m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf thi\u1ebft b\u1ecb ch\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u SFP vi\u1ebft t\u1eaft cho g\u00ec do \u0111\u00f3 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 gi\u1ea3i m\u00e3 m\u1ed9t t\u1eeb vi\u1ebft t\u1eaft. N\u00f3 ph\u1ea3n \u00e1nh m\u1ed9t nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf n\u1ec1n t\u1ea3ng trong m\u1ea1ng hi\u1ec7n \u0111\u1ea1i: c\u00e1c b\u1ed9 thu ph\u00e1t chu\u1ea9n h\u00f3a, c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i l\u1eabn nhau nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i \u1edf t\u1ea7ng v\u1eadt l\u00fd linh ho\u1ea1t, m\u1edf r\u1ed9ng quy m\u00f4 v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec trong c\u00e1c m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd34 <\/strong>SFP vi\u1ebft t\u1eaft cho g\u00ec? (\u0110\u1ecbnh ngh\u0129a tr\u1ef1c ti\u1ebfp)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u1ea1ng, SFP vi\u1ebft t\u1eaft cho Small Form-factor Pluggable (M\u00f4-\u0111un C\u1eafm r\u1eddi Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf), m\u1ed9t b\u1ed9 thu ph\u00e1t nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 c\u1eafm r\u1eddi khi thi\u1ebft b\u1ecb \u0111ang ho\u1ea1t \u0111\u1ed9ng, d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng v\u1edbi ph\u01b0\u01a1ng ti\u1ec7n s\u1ee3i quang ho\u1eb7c \u0111\u1ed3ng. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">C\u00e1c m\u00f4-\u0111un SFP<\/a> cho ph\u00e9p k\u1ebft n\u1ed1i linh ho\u1ea1t v\u00e0 m\u00f4-\u0111un cho c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 th\u1ebb giao di\u1ec7n m\u1ea1ng (NIC), gi\u00fap k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n, t\u1ed1c \u0111\u1ed9 v\u00e0 kho\u1ea3ng c\u00e1ch ph\u00f9 h\u1ee3p cho t\u1eebng li\u00ean k\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un n\u00e0y tu\u00e2n theo c\u00e1c ti\u00eau chu\u1ea9n do \u1ee6y ban Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf (SFF) <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\">Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n<\/a> (MSA) quy \u0111\u1ecbnh, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p v\u00e0 thi\u1ebft b\u1ecb kh\u00e1c nhau. Vi\u1ec7c hi\u1ec3u r\u00f5 SFP vi\u1ebft t\u1eaft cho g\u00ec v\u00e0 vai tr\u00f2 ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 gi\u00fap c\u00e1c chuy\u00ean gia m\u1ea1ng l\u1eadp k\u1ebf ho\u1ea1ch tri\u1ec3n khai v\u1edbi \u0111\u1ed9 tin c\u1eady cao h\u01a1n, n\u00e2ng c\u1ea5p \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 s\u1eed d\u1ee5ng s\u1ee3i quang t\u1ed1i \u01b0u h\u01a1n.<\/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\/89960a9016ad4e7c8a4a9e24f6f11c30.jpg\" alt=\"What Does SFP Stand For? (Small Form-factor Pluggable)\" class=\"wp-image-3220\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89960a9016ad4e7c8a4a9e24f6f11c30.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89960a9016ad4e7c8a4a9e24f6f11c30-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89960a9016ad4e7c8a4a9e24f6f11c30-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89960a9016ad4e7c8a4a9e24f6f11c30-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/89960a9016ad4e7c8a4a9e24f6f11c30-18x10.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 Nh\u1ecf: \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cY\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf\u201d \u0111\u1ec1 c\u1eadp \u0111\u1ebfn k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd v\u00e0 thi\u1ebft k\u1ebf c\u01a1 h\u1ecdc c\u1ee7a m\u00f4-\u0111un.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng SFP \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u1eb1m thay th\u1ebf GBIC (B\u1ed9 chuy\u1ec3n \u0111\u1ed5i Giao di\u1ec7n Gigabit) l\u1edbn h\u01a1n, cho ph\u00e9p t\u0103ng m\u1eadt \u0111\u1ed9 c\u1ed5ng tr\u00ean b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn. B\u1eb1ng c\u00e1ch gi\u1ea3m di\u1ec7n t\u00edch chi\u1ebfm ch\u1ed7 c\u1ee7a m\u00f4-\u0111un, c\u00e1c nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 tri\u1ec3n khai nhi\u1ec1u giao di\u1ec7n h\u01a1n tr\u00ean m\u1ed7i th\u1ebb \u0111\u01b0\u1eddng d\u00e2y m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng k\u00edch th\u01b0\u1edbc khung m\u00e1y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 g\u00f3c \u0111\u1ed9 k\u1ef9 thu\u1eadt, bao b\u00ec c\u01a1 h\u1ecdc v\u00e0 giao di\u1ec7n k\u1ebft n\u1ed1i c\u1ee7a SFP \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf (SFF MSA), \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ch\u00e9o nh\u00e0 cung c\u1ea5p \u1edf c\u1ea5p \u0111\u1ed9 ph\u1ea7n c\u1ee9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 qu\u1ea3 then ch\u1ed1t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n<\/p><\/li><li><p>M\u1eadt \u0111\u1ed9 c\u1ed5ng cao h\u01a1n<\/p><\/li><li><p>Giao di\u1ec7n c\u01a1 h\u1ecdc chu\u1ea9n h\u00f3a<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00f3 th\u1ec3 c\u1eafm r\u1eddi: \u0110i\u1ec1u n\u00e0y h\u00e0m \u00fd g\u00ec trong m\u1ea1ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/the-hot-pluggable-nature-of-optical-modules\/\">C\u00f3 th\u1ec3 c\u1eafm r\u1eddi (Pluggable)<\/a>\u201d ngh\u0129a l\u00e0 m\u00f4-\u0111un c\u00f3 th\u1ec3 c\u1eafm r\u1eddi khi thi\u1ebft b\u1ecb \u0111ang ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u00f4-\u0111un SFP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o ho\u1eb7c th\u00e1o ra kh\u1ecfi c\u1ed5ng t\u01b0\u01a1ng th\u00edch trong khi thi\u1ebft b\u1ecb ch\u1ee7 v\u1eabn \u0111ang \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n, mi\u1ec5n l\u00e0 firmware h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 thao t\u00e1c c\u1eafm r\u1eddi n\u00f3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng n\u00e0y cho ph\u00e9p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thay th\u1ebf nhanh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/p><\/li><li><p>N\u00e2ng c\u1ea5p linh ho\u1ea1t cho c\u00e1c li\u00ean k\u1ebft<\/p><\/li><li><p>Gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ebfn tr\u00fac c\u00f3 th\u1ec3 c\u1eafm r\u1eddi c\u0169ng t\u00e1ch bi\u1ec7t b\u1ed9 thu ph\u00e1t kh\u1ecfi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ch\u1ee7, cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1ea1ng thay \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf to\u00e0n b\u1ed9 b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP theo \u0111\u1ecbnh ngh\u0129a c\u1ee7a Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf (SFF MSA)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP kh\u00f4ng \u0111\u01b0\u1ee3c IEEE \u0111\u1ecbnh ngh\u0129a nh\u01b0 m\u1ed9t giao th\u1ee9c, m\u00e0 do \u1ee6y ban Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf th\u00f4ng qua Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n (MSA).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MSA quy \u0111\u1ecbnh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u00edch th\u01b0\u1edbc c\u01a1 h\u1ecdc<\/p><\/li><li><p>Giao di\u1ec7n \u0111i\u1ec7n<\/p><\/li><li><p>Lo\u1ea1i k\u1ebft n\u1ed1i (LC \u0111\u1ed1i v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 quang)<\/p><\/li><li><p>B\u1ea3n \u0111\u1ed3 b\u1ed9 nh\u1edb EEPROM<\/p><\/li><li><p>Gi\u00e1m s\u00e1t ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-8472-standard-explained-ddm-for-optical-transceivers\/\">Long-distance fiber links<\/a>)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IEEE \u0111\u1ecbnh ngh\u0129a c\u00e1c ti\u00eau chu\u1ea9n Ethernet (v\u00ed d\u1ee5: 1000BASE-SX, 1000BASE-LX),<br\/>trong khi SFF MSA \u0111\u1ecbnh ngh\u0129a y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd c\u1ee7a b\u1ed9 thu ph\u00e1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ea1i sao \u0111\u1ecbnh ngh\u0129a n\u00e0y l\u1ea1i quan tr\u1ecdng trong thi\u1ebft k\u1ebf m\u1ea1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u SFP vi\u1ebft t\u1eaft cho g\u00ec v\u01b0\u1ee3t xa vi\u1ec7c n\u1eafm thu\u1eadt ng\u1eef.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 l\u00e0m r\u00f5 r\u1eb1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t t\u1ed1c \u0111\u1ed9<\/p><\/li><li><p>N\u00f3 h\u1ed7 tr\u1ee3 nhi\u1ec1u ti\u00eau chu\u1ea9n v\u1eadt l\u00fd kh\u00e1c nhau<\/p><\/li><li><p>N\u00f3 cho ph\u00e9p ki\u1ebfn tr\u00fac t\u1ea7ng v\u1eadt l\u00fd theo m\u00f4-\u0111un<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y ng\u0103n ng\u1eeba nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u201cSFP ch\u1ec9 b\u1eb1ng 1G\u201d<\/p><\/li><li><p>\u201cSFP l\u00e0 m\u1ed9t giao th\u1ee9c s\u1ee3i quang\u201d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Thay v\u00e0o \u0111\u00f3, SFP l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng giao di\u1ec7n chu\u1ea9n h\u00f3a v\u00e0 m\u00f4-\u0111un.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd34 <\/strong>M\u00f4-\u0111un SFP trong m\u1ea1ng l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u00f4-\u0111un SFP l\u00e0 m\u1ed9t b\u1ed9 thu ph\u00e1t nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 c\u1eafm r\u1eddi, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i \u1edf t\u1ea7ng v\u1eadt l\u00fd trong thi\u1ebft b\u1ecb m\u1ea1ng. N\u00f3 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb thi\u1ebft b\u1ecb ch\u1ee7 th\u00e0nh t\u00edn hi\u1ec7u quang \u0111\u1ec3 truy\u1ec1n qua s\u1ee3i quang \u2014 ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n t\u00edn hi\u1ec7u \u0111i\u1ec7n cho c\u00e1c li\u00ean k\u1ebft \u0111\u1ed3ng \u2014 t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i m\u00f4-\u0111un. Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng SFP cho ph\u00e9p m\u1ed9t c\u1ed5ng m\u1ea1ng duy nh\u1ea5t h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i n\u1ec1n t\u1ea3ng ph\u1ea7n c\u1ee9ng c\u01a1 b\u1ea3n.<\/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\/87a67e48a43f4fd0a2a9eeae5bcee29e.jpg\" alt=\"What Is an SFP Module in Networking?\" class=\"wp-image-3221\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a67e48a43f4fd0a2a9eeae5bcee29e.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a67e48a43f4fd0a2a9eeae5bcee29e-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a67e48a43f4fd0a2a9eeae5bcee29e-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a67e48a43f4fd0a2a9eeae5bcee29e-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/87a67e48a43f4fd0a2a9eeae5bcee29e-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ecbnh ngh\u0129a B\u1ed9 thu ph\u00e1t Quang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c bi\u1ebfn th\u1ec3 d\u1ef1a tr\u00ean s\u1ee3i quang, m\u00f4-\u0111un SFP ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t<br> <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">b\u1ed9 thu ph\u00e1t quang<\/a>. B\u00ean trong, n\u00f3 bao g\u1ed3m:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>A <strong>b\u1ed9 ph\u00e1t laser<br><\/strong> (th\u01b0\u1eddng l\u00e0<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/overview-of-vcsel\/\">Laser VCSEL.<\/a> cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111a ch\u1ebf \u0111\u1ed9 c\u1ef1 ly ng\u1eafn ho\u1eb7c laser DFB cho c\u00e1c li\u00ean k\u1ebft \u0111\u01a1n ch\u1ebf \u0111\u1ed9 d\u00e0i h\u01a1n)<br><\/p><\/li><li><p>A <strong>b\u1ed9 thu \u0111i\u1ed1t quang<br><\/strong> (th\u01b0\u1eddng l\u00e0 PIN ho\u1eb7c APD, t\u00f9y theo y\u00eau c\u1ea7u v\u1ec1 kho\u1ea3ng c\u00e1ch truy\u1ec1n)<br><\/p><\/li><li><p>A <strong>m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n v\u00e0 khu\u1ebfch \u0111\u1ea1i gi\u1edbi h\u1ea1n<br><\/strong><\/p><\/li><li><p>M\u1ed9t <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/how-eeprom-powers-sfp-and-qsfp-optical-modules\/\">B\u1ed9 nh\u1edb EEPROM<\/a> \u0111\u1ec3 nh\u1eadn d\u1ea1ng v\u00e0 ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 (theo ti\u00eau chu\u1ea9n SFF-8472 trong c\u00e1c m\u00f4-\u0111un h\u1ed7 tr\u1ee3)<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 ph\u00e1t chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u \u0111i\u1ec7n t\u1eeb thi\u1ebft b\u1ecb ch\u1ee7 th\u00e0nh \u00e1nh s\u00e1ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf \u1edf b\u01b0\u1edbc s\u00f3ng x\u00e1c \u0111\u1ecbnh (v\u00ed d\u1ee5: 850 nm, 1310 nm ho\u1eb7c 1550 nm t\u00f9y theo ti\u00eau chu\u1ea9n). B\u1ed9 thu chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u quang \u0111\u1ea7u v\u00e0o tr\u1edf l\u1ea1i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n m\u00e0 thi\u1ebft b\u1ecb ch\u1ee7 c\u00f3 th\u1ec3 x\u1eed l\u00fd.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Nguy\u00ean l\u00fd chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n\u2013quang<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng tu\u00e2n theo quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n\u2013quang ti\u00eau chu\u1ea9n:<br><\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p>Thi\u1ebft b\u1ecb ch\u1ee7 g\u1eedi t\u00edn hi\u1ec7u \u0111i\u1ec7n vi sai t\u1ed1c \u0111\u1ed9 cao t\u1edbi giao di\u1ec7n SFP.<br>.<\/p><\/li><li><p>M\u1ea1ch \u0111i\u1ec1u khi\u1ec3n laser c\u1ee7a m\u00f4-\u0111un \u0111i\u1ec1u ch\u1ebf ngu\u1ed3n quang theo lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<br>.<\/p><\/li><li><p>\u00c1nh s\u00e1ng lan truy\u1ec1n qua s\u1ee3i quang \u0111\u1ebfn \u0111\u1ea7u xa.<br>.<\/p><\/li><li><p>\u0110i\u1ed1t quang c\u1ee7a m\u00f4-\u0111un thu chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng quang th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n.<br>.<\/p><\/li><li><p>B\u1ed9 khu\u1ebfch \u0111\u1ea1i gi\u1edbi h\u1ea1n kh\u00f4i ph\u1ee5c t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u tr\u01b0\u1edbc khi truy\u1ec1n t\u1edbi PHY ch\u1ee7.<br>.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ebfn tr\u00fac n\u00e0y t\u00e1ch giao di\u1ec7n ph\u01b0\u01a1ng ti\u1ec7n v\u1eadt l\u00fd ra kh\u1ecfi bo m\u1ea1ch h\u1ec7 th\u1ed1ng ch\u00ednh, cho ph\u00e9p n\u00e2ng c\u1ea5p theo m\u00f4-\u0111un v\u00e0 b\u1ea3o tr\u00ec \u0111\u01a1n gi\u1ea3n h\u01a1n.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Thi\u1ebft b\u1ecb ch\u1ee7 ph\u1ed5 bi\u1ebfn<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ed9 chuy\u1ec3n m\u1ea1ch Ethernet<\/p><\/li><li><p>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn l\u1edbp 2\/l\u1edbp 3<br><\/p><\/li><li><p>T\u01b0\u1eddng l\u1eeda v\u00e0 thi\u1ebft b\u1ecb an ninh<br><\/p><\/li><li><p>Card giao di\u1ec7n m\u1ea1ng (NIC)<\/p><\/li><li><p>N\u1ec1n t\u1ea3ng v\u1eadn chuy\u1ec3n v\u00e0 t\u1eadp trung quang<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec gi\u00e1 \u0111\u1ee1 c\u1ed5ng \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a theo Hi\u1ec7p \u0111\u1ecbnh Ti\u00eau chu\u1ea9n \u0110a nh\u00e0 s\u1ea3n xu\u1ea5t SFP (SFP MSA), m\u1ed9t m\u1eabu thi\u1ebft b\u1ecb duy nh\u1ea5t c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i li\u00ean k\u1ebft ch\u1ec9 b\u1eb1ng c\u00e1ch c\u1eafm c\u00e1c m\u00f4-\u0111un SFP kh\u00e1c nhau.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Bi\u1ebfn th\u1ec3 s\u1ee3i quang v\u00e0 \u0111\u1ed3ng<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP h\u1ed7 tr\u1ee3 c\u1ea3 ph\u01b0\u01a1ng ti\u1ec7n s\u1ee3i quang v\u00e0 \u0111\u1ed3ng:<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c lo\u1ea1i SFP d\u1ef1a tr\u00ean s\u1ee3i quang<br><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482145.htm\">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<\/a> (s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9, th\u01b0\u1eddng l\u00e0 850 nm)<br><\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\">1000BASE-LX<\/a> (s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9, th\u01b0\u1eddng l\u00e0 1310 nm)<br><\/p><\/li><li><p>C\u00e1c bi\u1ebfn th\u1ec3 c\u1ef1 ly m\u1edf r\u1ed9ng (li\u00ean k\u1ebft \u0111\u01a1n ch\u1ebf \u0111\u1ed9 d\u00e0i h\u01a1n \u1edf 1310 nm ho\u1eb7c 1550 nm)<br><\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-27039-1g-bidi-sfp.htm\">BiDi<br><\/a> (hai chi\u1ec1u tr\u00ean m\u1ed9t s\u1ee3i quang s\u1eed d\u1ee5ng hai b\u01b0\u1edbc s\u00f3ng)<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c lo\u1ea1i SFP d\u1ef1a tr\u00ean \u0111\u1ed3ng<br><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476813.htm\">1000BASE-T<\/a> (RJ45, d\u00e2y xo\u1eafn \u0111\u00f4i \u0111\u1ed3ng l\u00ean \u0111\u1ebfn 100 m\u00e9t)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefa h\u1ec7 s\u1ed1 d\u1ea1ng (SFP) v\u00e0 ti\u00eau chu\u1ea9n l\u1edbp v\u1eadt l\u00fd (v\u00ed d\u1ee5: 1000BASE-LX) l\u00e0 r\u1ea5t quan tr\u1ecdng. SFP x\u00e1c \u0111\u1ecbnh giao di\u1ec7n c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n c\u1ee7a m\u00f4-\u0111un, trong khi IEEE 802.3 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh t\u00edn hi\u1ec7u v\u00e0 truy\u1ec1n d\u1eabn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i, m\u00f4-\u0111un SFP l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb giao di\u1ec7n l\u1edbp v\u1eadt l\u00fd c\u00f3 t\u00ednh m\u00f4-\u0111un, cho ph\u00e9p k\u1ebft n\u1ed1i linh ho\u1ea1t tr\u00ean c\u00e1c m\u1ea1ng s\u1ee3i quang v\u00e0 \u0111\u1ed3ng, h\u1ed7 tr\u1ee3 tri\u1ec3n khai m\u1edf r\u1ed9ng quy m\u00f4 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd34 <\/strong>SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476762.htm\">B\u1ed9 thu ph\u00e1t SFP<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i linh ho\u1ea1t \u1edf l\u1edbp v\u1eadt l\u00fd gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng qua ph\u01b0\u01a1ng ti\u1ec7n s\u1ee3i quang ho\u1eb7c \u0111\u1ed3ng. V\u00ec c\u00f3 t\u00ednh m\u00f4-\u0111un v\u00e0 thay th\u1ebf n\u00f3ng \u0111\u01b0\u1ee3c, n\u00ean n\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf m\u1ea1ng \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch truy\u1ec1n, b\u01b0\u1edbc s\u00f3ng v\u00e0 lo\u1ea1i c\u00e1p m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf thi\u1ebft b\u1ecb ch\u1ee7. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 li\u00ean k\u1ebft c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 c\u00e1c n\u00fat m\u1ea1ng kh\u00e1c tr\u00ean c\u00e1c \u0111\u01b0\u1eddng li\u00ean k\u1ebft ng\u1eafn, trung b\u00ecnh v\u00e0 d\u00e0i.<\/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\/e28a418c35984b7abb2a61e181417490.jpg\" alt=\"What Is SFP Used For?\" class=\"wp-image-3222\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e28a418c35984b7abb2a61e181417490.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e28a418c35984b7abb2a61e181417490-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e28a418c35984b7abb2a61e181417490-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e28a418c35984b7abb2a61e181417490-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e28a418c35984b7abb2a61e181417490-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c k\u1ecbch b\u1ea3n tri\u1ec3n khai ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng SFP \u0111i\u1ec3n h\u00ecnh<\/h3>\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;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u1ee5c \u0111\u00edch Ch\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i \u0111\u01b0\u1eddng li\u00ean k\u1ebft \u0111i\u1ec3n h\u00ecnh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Ph\u1ea1m vi kho\u1ea3ng c\u00e1ch<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-data-center\/\">Trung t\u00e2m d\u1eef li\u1ec7u<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft gi\u1eefa c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 li\u00ean k\u1ebft l\u00ean m\u00e1y ch\u1ee7<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i quang \u0111a mode (SX) ho\u1eb7c \u0111\u1ed3ng (1000BASE-T)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a kho\u1ea3ng 550 m (MMF) ho\u1eb7c 100 m (\u0111\u1ed3ng)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng doanh nghi\u1ec7p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00f5i t\u00f2a nh\u00e0 v\u00e0 c\u00e1c t\u1ea7ng ph\u00e2n ph\u1ed1i<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i quang \u0111\u01a1n mode (LX)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 10 km (LX ti\u00eau chu\u1ea9n)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>R\u00eca ISP \/ Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 vi\u1ec5n th\u00f4ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c \u0111\u01b0\u1eddng li\u00ean k\u1ebft truy c\u1eadp v\u00e0 t\u1eadp h\u1ee3p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>What Does SFP Stand For?<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eeb 10 km \u0111\u1ebfn c\u00e1c bi\u1ebfn th\u1ec3 t\u1ea7m xa m\u1edf r\u1ed9ng<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c \u0111\u01b0\u1eddng li\u00ean k\u1ebft l\u00f5i s\u1ee3i quang<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 ho\u1eb7c li\u00ean k\u1ebft khu\u00f4n vi\u00ean<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>What Does SFP Stand For?<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u1ee5 thu\u1ed9c v\u00e0o ti\u00eau chu\u1ea9n quang h\u1ecdc<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Trung t\u00e2m d\u1eef li\u1ec7u<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, m\u00f4-\u0111un SFP th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-tor-top-of-rack-switch\/\">Tr\u00ean c\u00f9ng m\u1ed9t rack<\/a> Li\u00ean k\u1ebft l\u00ean t\u1eeb b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u1ea7u t\u1ee7 (ToR) \u0111\u1ebfn b\u1ed9 chuy\u1ec3n m\u1ea1ch t\u1eadp h\u1ee3p<\/p><\/li><li><p>Gh\u00e9p n\u1ed1i b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li><li><p>K\u1ebft n\u1ed1i NIC m\u00e1y ch\u1ee7 (m\u00f4i tr\u01b0\u1eddng 1G)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ee3i quang \u0111a mode (v\u00ed d\u1ee5: 1000BASE-SX t\u1ea1i 850 nm) th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c \u0111\u01b0\u1eddng ch\u1ea1y ng\u1eafn trong n\u1ed9i b\u1ed9 trung t\u00e2m d\u1eef li\u1ec7u do hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p. C\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng (1000BASE-T) c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch ng\u1eafn khi kh\u00f4ng c\u1ea7n d\u00f9ng s\u1ee3i quang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u1ea1ng doanh nghi\u1ec7p<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng khu\u00f4n vi\u00ean doanh nghi\u1ec7p, m\u00f4-\u0111un SFP th\u01b0\u1eddng \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c \u0111\u01b0\u1eddng li\u00ean k\u1ebft t\u1eeb l\u00f5i \u0111\u1ebfn ph\u00e2n ph\u1ed1i<\/p><\/li><li><p>C\u00e1c li\u00ean k\u1ebft l\u00ean t\u1eeb ph\u00e2n ph\u1ed1i \u0111\u1ebfn truy c\u1eadp<\/p><\/li><li><p>C\u00e1c k\u1ebft n\u1ed1i l\u00f5i gi\u1eefa c\u00e1c t\u00f2a nh\u00e0<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c bi\u1ebfn th\u1ec3 s\u1ee3i quang \u0111\u01a1n mode nh\u01b0 1000BASE-LX (th\u01b0\u1eddng l\u00e0 1310 nm) ph\u1ed5 bi\u1ebfn cho kho\u1ea3ng c\u00e1ch l\u00ean \u0111\u1ebfn 10 km, mang l\u1ea1i hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh v\u00e0 suy hao th\u1ea5p h\u01a1n so v\u1edbi s\u1ee3i \u0111a mode tr\u00ean c\u00e1c kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u1ea1ng ISP v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-an-isp-internet-service-provider\/\">Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet<\/a> s\u1eed d\u1ee5ng m\u00f4-\u0111un SFP trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>V\u00f2ng truy c\u1eadp<\/p><\/li><li><p>Li\u00ean k\u1ebft \u0111\u1ea7u cu\u1ed1i kh\u00e1ch h\u00e0ng (CPE)<\/p><\/li><li><p>C\u00e1c l\u1edbp t\u1eadp h\u1ee3p \u0111\u00f4 th\u1ecb<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP \u0111\u01a1n mode \u0111\u01b0\u1ee3c \u01b0u ti\u00ean do kh\u1ea3 n\u0103ng truy\u1ec1n xa h\u01a1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u00edn hi\u1ec7u t\u1ed1t h\u01a1n tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i. C\u00e1c bi\u1ebfn th\u1ec3 t\u1ea7m xa m\u1edf r\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u00f9y theo y\u00eau c\u1ea7u ng\u00e2n s\u00e1ch quang h\u1ecdc.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Li\u00ean k\u1ebft c\u00e1p quang v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4-\u0111un SFP c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u1ebft n\u1ed1i t\u1ee7 m\u1ea1ng gi\u1eefa c\u00e1c t\u1ea7ng<\/p><\/li><li><p>Li\u00ean k\u1ebft c\u00e1c ph\u00f2ng m\u1ea1ng \u1edf xa<\/p><\/li><li><p>M\u1edf r\u1ed9ng k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 trong khu\u00f4n vi\u00ean<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec d\u1ea1ng h\u00ecnh SFP \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a, c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng c\u00f3 th\u1ec3 ch\u1ecdn th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quang h\u1ecdc ph\u00f9 h\u1ee3p (SX, LX, t\u1ea7m xa m\u1edf r\u1ed9ng ho\u1eb7c \u0111\u1ed3ng tr\u1ee5c) d\u1ef1a tr\u00ean lo\u1ea1i c\u00e1p quang v\u00e0 kho\u1ea3ng c\u00e1ch m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i thi\u1ebft b\u1ecb ch\u1ee7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u00f3m t\u1eaft ch\u1ee9c n\u0103ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede m\u1ee9c th\u1ef1c t\u1ebf, m\u00f4-\u0111un SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Cho ph\u00e9p k\u1ebft n\u1ed1i \u1edf t\u1ea7ng v\u1eadt l\u00fd theo d\u1ea1ng m\u00f4-\u0111un<\/p><\/li><li><p>T\u0103ng m\u1eadt \u0111\u1ed9 c\u1ed5ng tr\u00ean thi\u1ebft b\u1ecb m\u1ea1ng<\/p><\/li><li><p>H\u1ed7 tr\u1ee3 nhi\u1ec1u ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn tr\u00ean c\u00f9ng m\u1ed9t n\u1ec1n t\u1ea3ng ph\u1ea7n c\u1ee9ng<\/p><\/li><li><p>\u0110\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c n\u00e2ng c\u1ea5p v\u00e0 b\u1ea3o tr\u00ec th\u00f4ng qua <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/hot-pluggable-optical-modules-insertion-cycles-care-tips\/\">Cat5e\/Cat6 Ethernet<\/a> thi\u1ebft k\u1ebf<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Thay v\u00ec g\u1eafn b\u00f3 v\u1edbi m\u1ed9t \u1ee9ng d\u1ee5ng duy nh\u1ea5t, SFP \u0111\u00f3ng vai tr\u00f2 l\u00e0 giao di\u1ec7n k\u1ebft n\u1ed1i n\u1ec1n t\u1ea3ng xuy\u00ean su\u1ed1t c\u00e1c m\u1ea1ng doanh nghi\u1ec7p, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd34 <\/strong>SFP so v\u1edbi SFP+ so v\u1edbi GBIC: S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP, SFP+ v\u00e0 GBIC l\u00e0 c\u00e1c d\u1ea1ng m\u00f4-\u0111un thu ph\u00e1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p k\u1ebft n\u1ed1i m\u1ea1ng theo d\u1ea1ng m\u00f4-\u0111un. M\u1eb7c d\u00f9 ch\u00fang ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng ch\u00fang kh\u00e1c nhau v\u1ec1 k\u00edch th\u01b0\u1edbc, t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u h\u1ed7 tr\u1ee3 v\u00e0 thi\u1ebft k\u1ebf giao di\u1ec7n \u0111i\u1ec7n. Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SFP v\u00e0 SFP+ \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u00ec ch\u00fang c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd nh\u01b0ng kh\u00f4ng gi\u1ed1ng nhau v\u1ec1 m\u1eb7t \u0111i\u1ec7n.<\/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\/b4121586d1104a1ab550b70afa5a9455.jpg\" alt=\"SFP vs. SFP+ vs. GBIC: What\u2019s the Difference?\" class=\"wp-image-3223\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b4121586d1104a1ab550b70afa5a9455.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b4121586d1104a1ab550b70afa5a9455-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b4121586d1104a1ab550b70afa5a9455-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b4121586d1104a1ab550b70afa5a9455-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b4121586d1104a1ab550b70afa5a9455-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea3ng so s\u00e1nh nhanh SFP vs. SFP+ vs. GBIC<\/h3>\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;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Tham s\u1ed1<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">SFP<\/a><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">SFP+<\/a><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-gbic-hot-pluggable-transceiver-networking-explained\/\">GBIC<\/a><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u00dd ngh\u0129a \u0111\u1ea7y \u0111\u1ee7<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Typical Medium<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nh\u1ecf g\u1ecdn c\u1ea3i ti\u1ebfn \u2013 Enhanced Small Form-factor Pluggable<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i giao di\u1ec7n Gigabit<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1 Gb\/s<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>K\u00edch th\u01b0\u1edbc d\u1ea1ng module<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nh\u1ecf g\u1ecdn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gi\u1ed1ng nh\u01b0 SFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u1edbn h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1eadt \u0111\u1ed9 c\u1ed5ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lower<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Giao di\u1ec7n \u0111i\u1ec7n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PHY t\u00edch h\u1ee3p b\u00ean trong m\u00f4-\u0111un<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nhi\u1ec1u ch\u1ee9c n\u0103ng PHY \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi thi\u1ebft b\u1ecb ch\u1ee7<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>PHY t\u00edch h\u1ee3p<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1000BASE-SX\/LX<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10GBASE-SR\/LR\/ER<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1000BASE-SX\/LX<br><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u00f4-\u0111un SFP (Small Form-factor Pluggable)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng Gigabit Ethernet (1G), ch\u1eb3ng h\u1ea1n nh\u01b0:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>1000BASE-SX (s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9, th\u01b0\u1eddng l\u00e0 850 nm)<br><\/p><\/li><li><p>1000BASE-LX (s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9, th\u01b0\u1eddng l\u00e0 1310 nm)<br><\/p><\/li><li><p>1000BASE-T (\u0111\u1ed3ng)<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4-\u0111un SFP truy\u1ec1n th\u1ed1ng, m\u1ed9t ph\u1ea7n x\u1eed l\u00fd<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-phy-physical-layer-basics-explained\/\">t\u1ea7ng v\u1eadt l\u00fd<\/a> (PHY) \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p b\u00ean trong b\u1ed9 thu ph\u00e1t.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u00dd ngh\u0129a v\u00e0 kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt c\u1ee7a SFP+<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP+ l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a<br> <strong>Nh\u1ecf g\u1ecdn c\u1ea3i ti\u1ebfn \u2013 Enhanced Small Form-factor Pluggable<\/strong>. N\u00f3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u nh\u1eb1m h\u1ed7 tr\u1ee3 Gigabit Ethernet 10 Gb\/s trong khi v\u1eabn gi\u1eef nguy\u00ean k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd gi\u1ed1ng nh\u01b0 SFP.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/blog\/what-is-the-difference-between-sfp-and-sfp.htm\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SFP v\u00e0 SFP+<br><\/a> n\u1eb1m \u1edf ki\u1ebfn tr\u00fac \u0111i\u1ec7n:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c m\u00f4-\u0111un SFP+ chuy\u1ec3n nhi\u1ec1u tr\u00e1ch nhi\u1ec7m x\u1eed l\u00fd t\u00edn hi\u1ec7u h\u01a1n sang h\u1ec7 th\u1ed1ng ch\u1ee7.<br>.<\/p><\/li><li><p>M\u00f4-\u0111un ch\u1ee7 y\u1ebfu th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng chuy\u1ec3n \u0111\u1ed5i quang\u2013\u0111i\u1ec7n, trong khi vi\u1ec7c kh\u00f4i ph\u1ee5c \u0111\u1ed3ng h\u1ed3 v\u00e0 \u0111i\u1ec1u ki\u1ec7n t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean bo m\u1ea1ch ch\u1ee7.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf n\u00e0y cho ph\u00e9p t\u1ed1c \u0111\u1ed9 cao h\u01a1n (10 Gb\/s) nh\u01b0ng y\u00eau c\u1ea7u ph\u1ea7n c\u1ee9ng ch\u1ee7 t\u01b0\u01a1ng th\u00edch. M\u1eb7c d\u00f9 c\u1ed5ng SFP+ c\u00f3 th\u1ec3 ti\u1ebfp nh\u1eadn v\u1eadt l\u00fd m\u00f4-\u0111un SFP tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb, \u0111i\u1ec1u ng\u01b0\u1ee3c l\u1ea1i th\u00ec kh\u00f4ng kh\u1ea3 thi, v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1ch tri\u1ec3n khai c\u1ee7a nh\u00e0 cung c\u1ea5p.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >GBIC (B\u1ed9 chuy\u1ec3n \u0111\u1ed5i giao di\u1ec7n gigabit) <\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">GBIC l\u00e0 ti\u1ec1n th\u00e2n c\u1ee7a SFP. N\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c chu\u1ea9n quang 1G t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng s\u1eed d\u1ee5ng m\u00f4-\u0111un c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n \u0111\u00e1ng k\u1ec3.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1eadt \u0111\u1ed9 c\u1ed5ng tr\u00ean c\u00e1c switch th\u1ea5p h\u01a1n.<br>.<\/p><\/li><li><p>M\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng n\u00f3i chung cao h\u01a1n so v\u1edbi SFP.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Khi thi\u1ebft b\u1ecb m\u1ea1ng ph\u00e1t tri\u1ec3n theo h\u01b0\u1edbng m\u1eadt \u0111\u1ed9 cao h\u01a1n v\u00e0 thi\u1ebft k\u1ebf chassis nh\u1ecf g\u1ecdn h\u01a1n, SFP \u0111\u00e3 thay th\u1ebf ph\u1ea7n l\u1edbn GBIC trong c\u00e1c tri\u1ec3n khai hi\u1ec7n \u0111\u1ea1i.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c y\u1ebfu t\u1ed1 th\u1ef1c ti\u1ec5n c\u1ea7n c\u00e2n nh\u1eafc khi l\u1ef1a ch\u1ecdn<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi l\u1ef1a ch\u1ecdn gi\u1eefa SFP v\u00e0 SFP+:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1eed d\u1ee5ng <strong>SFP<\/strong> <strong>M\u00f4-\u0111un<\/strong> d\u00f9ng cho c\u00e1c tri\u1ec3n khai Gigabit Ethernet 1 Gb\/s.<br>.<\/p><\/li><li><p>S\u1eed d\u1ee5ng <strong>SFP+<\/strong> <strong>M\u00f4-\u0111un <\/strong>d\u00f9ng cho c\u00e1c \u1ee9ng d\u1ee5ng Gigabit Ethernet 10 Gb\/s.<br>.<\/p><\/li><li><p>Tr\u00e1nh <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sff-transceiver-vs-gbic-key-differences-and-network-upgrades\/\">B\u1ed9 thu ph\u00e1t GBIC<br><\/a> trong c\u00e1c thi\u1ebft k\u1ebf m\u1edbi tr\u1eeb khi \u0111ang duy tr\u00ec c\u00e1c h\u1ec7 th\u1ed1ng c\u0169.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 c\u1ea7n hi\u1ec3u r\u1eb1ng nh\u1eefng thu\u1eadt ng\u1eef n\u00e0y m\u00f4 t\u1ea3<br> <strong>d\u1ea1ng ch\u00e2n c\u1eafm<\/strong>, ch\u1ee9 kh\u00f4ng ph\u1ea3i lo\u1ea1i s\u1ee3i quang hay b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3. Chu\u1ea9n quang \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 (v\u00ed d\u1ee5:<br>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476064.htm\">SR<\/a>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476750.htm\">LR<\/a>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475581.htm\">ER<\/a>) x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn v\u00e0 b\u01b0\u1edbc s\u00f3ng, trong khi lo\u1ea1i m\u00f4-\u0111un (SFP hay SFP+) x\u00e1c \u0111\u1ecbnh giao di\u1ec7n c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i, SFP v\u00e0 SFP+ c\u00f3 k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd t\u01b0\u01a1ng t\u1ef1 nhau nh\u01b0ng kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 t\u1ed1c \u0111\u1ed9 h\u1ed7 tr\u1ee3 v\u00e0 thi\u1ebft k\u1ebf \u0111i\u1ec7n b\u00ean trong, trong khi GBIC \u0111\u1ea1i di\u1ec7n cho m\u1ed9t \u0111\u1ecbnh d\u1ea1ng b\u1ed9 thu ph\u00e1t th\u1ebf h\u1ec7 tr\u01b0\u1edbc, l\u1edbn h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd34 <\/strong>C\u00e1c lo\u1ea1i m\u00f4-\u0111un SFP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau nh\u1eb1m h\u1ed7 tr\u1ee3 c\u00e1c kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn, ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn v\u00e0 y\u00eau c\u1ea7u m\u1ea1ng kh\u00e1c nhau. Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u00fap k\u1ef9 s\u01b0 m\u1ea1ng l\u1ef1a ch\u1ecdn \u0111\u00fang m\u00f4-\u0111un cho t\u1eebng t\u00ecnh hu\u1ed1ng tri\u1ec3n khai.<\/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\/b6113098f762409b893fdf04f9e05305.jpg\" alt=\"Types of SFP Modules\" class=\"wp-image-3224\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b6113098f762409b893fdf04f9e05305.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b6113098f762409b893fdf04f9e05305-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b6113098f762409b893fdf04f9e05305-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b6113098f762409b893fdf04f9e05305-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b6113098f762409b893fdf04f9e05305-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP c\u00f3 nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau nh\u1eb1m h\u1ed7 tr\u1ee3 c\u00e1c lo\u1ea1i s\u1ee3i quang\/ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn, kho\u1ea3ng c\u00e1ch v\u00e0 \u1ee9ng d\u1ee5ng m\u1ea1ng kh\u00e1c nhau. B\u1ea3ng sau \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c lo\u1ea1i ch\u00ednh c\u00f9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u1ee7 ch\u1ed1t v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/p>\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;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i SFP<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i quang\/Ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>B\u01b0\u1edbc s\u00f3ng<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Ph\u1ea1m vi \u0111i\u1ec3n h\u00ecnh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>C\u00e1c \u0111i\u1ec3m ch\u00ednh<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>SX (T\u1ea7m ng\u1eafn)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1p quang \u0111a mode (MMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>850\u202fnm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10\u202fm \u2013 550\u202fm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung t\u00e2m d\u1eef li\u1ec7u, li\u00ean k\u1ebft n\u1ed9i b\u1ed9 t\u00f2a nh\u00e0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed hi\u1ec7u qu\u1ea3, li\u00ean k\u1ebft m\u1eadt \u0111\u1ed9 cao \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>LX (T\u1ea7m xa)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i quang \u0111\u01a1n mode (SMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310\u202fnm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10\u202fkm \u2013 20\u202fkm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng \u0111\u00f4 th\u1ecb, x\u01b0\u01a1ng s\u1ed1ng khu\u00f4n vi\u00ean<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ng\u00e2n s\u00e1ch v\u1eeba ph\u1ea3i, kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t tr\u1ed9i h\u01a1n SX<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>BiDi (Song h\u01b0\u1edbng)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF\/MMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c b\u01b0\u1edbc s\u00f3ng gh\u00e9p \u0111\u00f4i (1310\/1490\u202fnm, 1550\/1310\u202fnm)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10\u202fkm \u2013 40\u202fkm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>FTTx, n\u00e2ng c\u1ea5p c\u1ea3i t\u1ea1o trong \u0111i\u1ec1u ki\u1ec7n h\u1ea1n ch\u1ebf s\u1ee3i quang<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n c\u00f4ng su\u1ea5t k\u00e9p tr\u00ean m\u1ed9t s\u1ee3i (single-fiber duplexing), gi\u1ea3m chi ph\u00ed c\u00e1p<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476801.htm\">\u0110\u1ed3ng RJ45<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u00e2y \u0111\u1ed3ng xo\u1eafn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u00f4ng \u00e1p d\u1ee5ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00ean \u0111\u1ebfn 100\u202fm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet doanh nghi\u1ec7p, li\u00ean k\u1ebft ng\u1eafn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Thay th\u1ebf n\u00f3ng \u0111\u01b0\u1ee3c, t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>CWDM \/ DWDM<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i \u0111\u01a1n ch\u1ebf \u0111\u1ed9<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>CWDM: 1270\u20131610\u202fnm, DWDM: d\u1ea3i C<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10\u202fkm \u2013 120\u202fkm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng \u0111\u00f4 th\u1ecb &amp; \u0111\u01b0\u1eddng d\u00e0i dung l\u01b0\u1ee3ng cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gh\u00e9p k\u00eanh nhi\u1ec1u t\u00edn hi\u1ec7u, m\u1edf r\u1ed9ng b\u0103ng th\u00f4ng linh ho\u1ea1t<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >1. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476091.htm\">SFP SX<\/a> 300 m (OM3) \/ 400 m (OM4)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Lo\u1ea1i s\u1ee3i quang:<\/strong> \u0110a mode (MMF)<\/p><\/li><li><p><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> 850\u202fnm<\/p><\/li><li><p><strong>Ph\u1ea1m vi truy\u1ec1n d\u1eabn \u0111i\u1ec3n h\u00ecnh:<\/strong> 100\u202fm\u2013550\u202fm (t\u00f9y theo c\u1ea5p \u0111\u1ed9 c\u00e1p s\u1ee3i \u0111a mode, v\u00ed d\u1ee5 OM3\/OM4)<\/p><\/li><li><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> Li\u00ean k\u1ebft t\u1ea7m ng\u1eafn trong trung t\u00e2m d\u1eef li\u1ec7u, li\u00ean k\u1ebft n\u1ed9i b\u1ed9 t\u00f2a nh\u00e0<\/p><\/li><li><p><strong>\u0110i\u1ec3m ch\u00ednh:<\/strong> Chi ph\u00ed hi\u1ec7u qu\u1ea3 cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea7m ng\u1eafn, m\u1eadt \u0111\u1ed9 cao<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >2. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477879.htm\">SFP LX<\/a> (T\u1ea7m xa)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Lo\u1ea1i s\u1ee3i quang:<\/strong> \u0110\u01a1n mode (SMF)<\/p><\/li><li><p><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> 1310\u202fnm<\/p><\/li><li><p><strong>Ph\u1ea1m vi truy\u1ec1n d\u1eabn \u0111i\u1ec3n h\u00ecnh:<\/strong> 10\u202fkm\u201320\u202fkm<\/p><\/li><li><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> M\u1ea1ng \u0111\u00f4 th\u1ecb, li\u00ean k\u1ebft khu\u00f4n vi\u00ean, x\u01b0\u01a1ng s\u1ed1ng doanh nghi\u1ec7p<\/p><\/li><li><p><strong>\u0110i\u1ec3m ch\u00ednh:<\/strong> H\u1ed7 tr\u1ee3 kho\u1ea3ng c\u00e1ch xa h\u01a1n v\u1edbi ng\u00e2n s\u00e1ch quang h\u1ecdc v\u1eeba ph\u1ea3i<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >3. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476696.htm\">B\u1ed9 thu ph\u00e1t SFP BiDi<\/a> (\u0110\u01a1n h\u01b0\u1edbng, \u0111\u01a1n s\u1ee3i)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Lo\u1ea1i s\u1ee3i quang:<\/strong> S\u1ee3i \u0111\u01a1n mode ho\u1eb7c \u0111a mode (t\u00f9y theo m\u00f4-\u0111un)<\/p><\/li><li><p><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> C\u00e1c b\u01b0\u1edbc s\u00f3ng gh\u00e9p \u0111\u00f4i, v\u00ed d\u1ee5 1310\/1490\u202fnm ho\u1eb7c 1550\/1310\u202fnm<\/p><\/li><li><p><strong>Ph\u1ea1m vi truy\u1ec1n d\u1eabn \u0111i\u1ec3n h\u00ecnh:<\/strong> 10\u202fkm\u201340\u202fkm<\/p><\/li><li><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> C\u00e1c t\u00ecnh hu\u1ed1ng thi\u1ebfu s\u1ee3i quang, n\u00e2ng c\u1ea5p c\u1ea3i t\u1ea1o, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/fttx-technical-guide-modern-fiber-access-architectures\/\">FTTx<br><\/a> Vi\u1ec7c tri\u1ec3n khai m\u1ea1ng<\/p><\/li><li><p><strong>\u0110i\u1ec3m ch\u00ednh:<\/strong> Truy\u1ec1n \u0111\u1ed3ng th\u1eddi Tx\/Rx tr\u00ean m\u1ed9t s\u1ee3i duy nh\u1ea5t, gi\u1ea3m chi ph\u00ed c\u00e1p v\u00e0 nhu c\u1ea7u s\u1ee3i quang<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ed3ng <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476770.htm\">SFP RJ45<\/a><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn:<\/strong> C\u00e1p \u0111\u1ed3ng xo\u1eafn<\/p><\/li><li><p><strong>T\u1ed1c \u0111\u1ed9:<\/strong> 1\u202fGbps (1000BASE-T)<\/p><\/li><li><p><strong>L\u00ean \u0111\u1ebfn 70 m tr\u00ean OM3, 100 m tr\u00ean OM4, 150 m tr\u00ean OM5. Chu\u1ea9n h\u00f3a \u1edf m\u1ee9c 100 m tr\u00ean OM4.<\/strong> L\u00ean \u0111\u1ebfn 100\u202fm<\/p><\/li><li><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> Ethernet doanh nghi\u1ec7p tr\u00ean c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1ed3ng hi\u1ec7n h\u1eefu<\/p><\/li><li><p><strong>\u0110i\u1ec3m ch\u00ednh:<\/strong> C\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng v\u00e0 t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi c\u00e1c c\u1ed5ng Ethernet ti\u00eau chu\u1ea9n<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP CWDM \/ DWDM (B\u1ed9 gh\u00e9p k\u00eanh ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng th\u00f4\/d\u00e0y)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Lo\u1ea1i s\u1ee3i quang:<\/strong> \u0110\u01a1n ch\u1ebf \u0111\u1ed9<\/p><\/li><li><p><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> L\u01b0\u1edbi c\u1ee5 th\u1ec3, v\u00ed d\u1ee5:, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/491903.htm\">CWDM<\/a> (1270\u20131610\u202fnm, kho\u1ea3ng c\u00e1ch 20\u202fnm), <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/489213.htm\">DWDM<\/a> (d\u1ea3i C, kho\u1ea3ng c\u00e1ch 50\u2013100\u202fGHz)<\/p><\/li><li><p><strong>L\u00ean \u0111\u1ebfn 70 m tr\u00ean OM3, 100 m tr\u00ean OM4, 150 m tr\u00ean OM5. Chu\u1ea9n h\u00f3a \u1edf m\u1ee9c 100 m tr\u00ean OM4.<\/strong> 10\u202fkm\u2013120\u202fkm (t\u00f9y thu\u1ed9c v\u00e0o s\u1ed1 l\u01b0\u1ee3ng k\u00eanh v\u00e0 khu\u1ebfch \u0111\u1ea1i)<\/p><\/li><li><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> M\u1ea1ng \u0111\u00f4 th\u1ecb v\u00e0 m\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i c\u00f3 dung l\u01b0\u1ee3ng cao, gh\u00e9p k\u00eanh nhi\u1ec1u t\u00edn hi\u1ec7u tr\u00ean m\u1ed9t s\u1ee3i quang<\/p><\/li><li><p><strong>\u0110i\u1ec3m ch\u00ednh:<\/strong> H\u1ed7 tr\u1ee3 b\u0103ng th\u00f4ng m\u1edf r\u1ed9ng linh ho\u1ea1t trong khi t\u1ed1i thi\u1ec3u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng s\u1ee3i quang<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/blog\/types-of-sfp-modules-1g-10g-and-25g-network-guide.htm\">lo\u1ea1i SFP<\/a> d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch, lo\u1ea1i s\u1ee3i quang v\u00e0 ki\u1ebfn tr\u00fac m\u1ea1ng, k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed, hi\u1ec7u n\u0103ng v\u00e0 hi\u1ec7u qu\u1ea3 tri\u1ec3n khai \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd34 <\/strong>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 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\/faf91e85c1ef485fb4daf424628b56cb.jpg\" alt=\"SFPs Frequently Asked Questions\" class=\"wp-image-3225\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/faf91e85c1ef485fb4daf424628b56cb.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/faf91e85c1ef485fb4daf424628b56cb-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/faf91e85c1ef485fb4daf424628b56cb-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/faf91e85c1ef485fb4daf424628b56cb-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/faf91e85c1ef485fb4daf424628b56cb-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 1: SFP d\u00f9ng s\u1ee3i quang hay c\u00e1p \u0111\u1ed3ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>C\u00e1c module SFP h\u1ed7 tr\u1ee3 c\u1ea3 k\u1ebft n\u1ed1i s\u1ee3i quang (\u0111\u01a1n ch\u1ebf \u0111\u1ed9 ho\u1eb7c \u0111a ch\u1ebf \u0111\u1ed9) v\u00e0 c\u00e1p \u0111\u1ed3ng (RJ45), t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i module c\u1ee5 th\u1ec3 v\u00e0 y\u00eau c\u1ea7u m\u1ea1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 2: SFP c\u00f3 h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>C\u00f3, c\u00e1c module SFP h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng, cho ph\u00e9p c\u1eafm ho\u1eb7c r\u00fat ra m\u00e0 kh\u00f4ng c\u1ea7n t\u1eaft ngu\u1ed3n thi\u1ebft b\u1ecb m\u1ea1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 3: Module SFP c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c tr\u00ean khe SFP+ kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>C\u00f3, h\u1ea7u h\u1ebft c\u00e1c module SFP t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi khe SFP+, nh\u01b0ng ch\u00fang s\u1ebd ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n c\u1ee7a SFP (th\u01b0\u1eddng l\u00e0 1\u202fGbps).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 4: SFP h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 bao nhi\u00eau?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>SFP ti\u00eau chu\u1ea9n h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a 1\u202fGbps, trong khi c\u00e1c phi\u00ean b\u1ea3n n\u00e2ng cao nh\u01b0 SFP+ ho\u1eb7c SFP BiDi c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 10\u202fGbps ho\u1eb7c cao h\u01a1n t\u00f9y theo lo\u1ea1i module v\u00e0 s\u1ee3i quang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 5: SFP c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong m\u1ea1ng DWDM kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>M\u1ed9t s\u1ed1 module SFP CWDM\/DWDM \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh ri\u00eang cho \u1ee9ng d\u1ee5ng s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 gh\u00e9p k\u00eanh, h\u1ed7 tr\u1ee3 li\u00ean k\u1ebft \u0111\u01b0\u1eddng d\u00e0i ho\u1eb7c li\u00ean k\u1ebft c\u00f3 dung l\u01b0\u1ee3ng cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 6: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c minh t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a module SFP?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>Ki\u1ec3m tra danh s\u00e1ch t\u01b0\u01a1ng th\u00edch c\u1ee7a nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb, \u0111\u1ecdc EEPROM c\u1ee7a module, x\u00e1c minh d\u1eef li\u1ec7u gi\u00e1m s\u00e1t k\u1ef9 thu\u1eadt s\u1ed1 (DOM), v\u00e0 x\u00e1c nh\u1eadn b\u01b0\u1edbc s\u00f3ng\/c\u1eb7p k\u00eanh tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 7: T\u00f4i c\u00f3 th\u1ec3 tr\u1ed9n c\u00e1c lo\u1ea1i SFP kh\u00e1c nhau trong c\u00f9ng m\u1ed9t m\u1ea1ng kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>C\u00f3, nh\u01b0ng c\u1ea7n \u0111\u1ea3m b\u1ea3o t\u1ed1c \u0111\u1ed9, lo\u1ea1i s\u1ee3i quang v\u00e0 b\u01b0\u1edbc s\u00f3ng kh\u1edbp nhau. Vi\u1ec7c tr\u1ed9n c\u00e1c module kh\u00f4ng t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 g\u00e2y l\u1ed7i li\u00ean k\u1ebft ho\u1eb7c suy gi\u1ea3m hi\u1ec7u n\u0103ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 8: Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a m\u1ed9t module SFP l\u00e0 bao nhi\u00eau?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>Ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i module: SX (\u0111a ch\u1ebf \u0111\u1ed9) l\u00ean \u0111\u1ebfn ~550\u202fm, LX (\u0111\u01a1n ch\u1ebf \u0111\u1ed9) l\u00ean \u0111\u1ebfn 10\u201320\u202fkm, BiDi 10\u201340\u202fkm, v\u00e0 c\u00e1c module DWDM\/CWDM l\u00ean \u0111\u1ebfn 120\u202fkm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 9: L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 ki\u1ec3m tra b\u01b0\u1edbc s\u00f3ng SFP tr\u00ean switch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>S\u1eed d\u1ee5ng c\u00e1c l\u1ec7nh CLI nh\u01b0 <code>show interface transceiver<\/code>, <code>show inventory<\/code>, ho\u1eb7c ki\u1ec3m tra d\u1eef li\u1ec7u gi\u00e1m s\u00e1t k\u1ef9 thu\u1eadt s\u1ed1 (DOM) \u0111\u1ec3 x\u00e1c minh b\u01b0\u1edbc s\u00f3ng danh \u0111\u1ecbnh c\u0169ng nh\u01b0 hi\u1ec7u n\u0103ng ph\u00e1t\/thu (Tx\/Rx).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 10: SFP c\u00f3 y\u00eau c\u1ea7u ph\u1ea7n m\u1ec1m\u56fa\u4ef6 \u0111\u1eb7c bi\u1ec7t tr\u00ean thi\u1ebft b\u1ecb m\u1ea1ng kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>C\u00f3, m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb \u00e1p d\u1ee5ng ch\u00ednh s\u00e1ch t\u01b0\u01a1ng th\u00edch theo nh\u00e0 cung c\u1ea5p. Lu\u00f4n x\u00e1c nh\u1eadn s\u1ef1 h\u1ed7 tr\u1ee3 ph\u1ea7n m\u1ec1m\u56fa\u4ef6 \u0111\u1ed1i v\u1edbi module SFP c\u1ee7a b\u00ean th\u1ee9 ba v\u00e0 ki\u1ec3m tra c\u00e1c h\u1ea1n ch\u1ebf kh\u00f3a nh\u00e0 cung c\u1ea5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd34 <\/strong>T\u1ed5ng quan &amp; H\u01b0\u1edbng d\u1eabn tri\u1ec3n khai SFP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module Small Form-factor Pluggable (SFP) l\u00e0 b\u1ed9 thu ph\u00e1t c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng, cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u1ea1ng linh ho\u1ea1t v\u00e0 m\u00f4-\u0111un tr\u00ean c\u00e1c li\u00ean k\u1ebft s\u1ee3i quang v\u00e0 c\u00e1p \u0111\u1ed3ng. Ch\u00fang cho ph\u00e9p tri\u1ec3n khai m\u1edf r\u1ed9ng trong trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng doanh nghi\u1ec7p v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ISP, h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 t\u1eeb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> 1\u202fGbps (SFP) <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">10\u202fGbps (SFP+)<\/a> to <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">, c\u00f9ng c\u00e1c bi\u1ebfn th\u1ec3 chuy\u00ean bi\u1ec7t nh\u01b0 BiDi, CWDM v\u00e0 DWDM cho c\u00e1c \u1ee9ng d\u1ee5ng n\u00e2ng cao.<\/a>, H\u01b0\u1edbng d\u1eabn tri\u1ec3n khai:.<\/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\/4588db09673c42379e5b7ae1aa728e66.jpg\" alt=\"SFP Stand For Summary &#038; Deployment Guidance\" class=\"wp-image-3226\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4588db09673c42379e5b7ae1aa728e66.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4588db09673c42379e5b7ae1aa728e66-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4588db09673c42379e5b7ae1aa728e66-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4588db09673c42379e5b7ae1aa728e66-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4588db09673c42379e5b7ae1aa728e66-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>X\u00e1c minh lo\u1ea1i module ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ed5ng v\u00e0 t\u1ed1c \u0111\u1ed9 m\u1ea1ng.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>X\u00e1c nh\u1eadn lo\u1ea1i s\u1ee3i quang (SMF\/MMF) ho\u1eb7c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u00e1p \u0111\u1ed3ng.<\/p><\/li><li><p>Ki\u1ec3m tra m\u00e3 h\u00f3a EEPROM,.<\/p><\/li><li><p>gi\u00e1m s\u00e1t DOM, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ddm-dom-in-optical-transceivers\/\">, v\u00e0 danh s\u00e1ch t\u01b0\u01a1ng th\u00edch nh\u00e0 cung c\u1ea5p.<\/a>, \u0110\u1ea3m b\u1ea3o gh\u00e9p c\u1eb7p b\u01b0\u1edbc s\u00f3ng \u0111\u00fang cho c\u00e1c module BiDi ho\u1eb7c DWDM.<\/p><\/li><li><p>D\u1ef1 tr\u1eef module d\u1ef1 ph\u00f2ng v\u00e0 d\u00e1n nh\u00e3n c\u1ed5ng\/s\u1ee3i quang nh\u1eb1m n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh.<\/p><\/li><li><p>Vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 tri\u1ec3n khai SFP \u0111\u00e1ng tin c\u1eady. S\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch gi\u1eefa lo\u1ea1i module, lo\u1ea1i s\u1ee3i quang ho\u1eb7c b\u01b0\u1edbc s\u00f3ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i li\u00ean k\u1ebft, gi\u1ea3m th\u00f4ng l\u01b0\u1ee3ng ho\u1eb7c hao m\u00f2n ph\u1ea7n c\u1ee9ng s\u1edbm. Vi\u1ec7c s\u1eed d\u1ee5ng module t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n IEEE 802.3 v\u00e0 \u0111\u1eb7c t\u1ea3 SFF-8472, trong khi gi\u00e1m s\u00e1t DOM gi\u00fap duy tr\u00ec s\u1ee9c kh\u1ecfe li\u00ean k\u1ebft l\u00e2u d\u00e0i. \u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u1ed9i k\u1ef9 thu\u1eadt \u0111ang t\u00ecm ki\u1ebfm module ch\u1ea5t l\u01b0\u1ee3ng cao, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n v\u00e0 h\u1ed7 tr\u1ee3 tri\u1ec3n khai th\u1ef1c t\u1ebf,.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c module SFP v\u00e0 SFP+ \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u t\u00ecnh hu\u1ed1ng m\u1ea1ng kh\u00e1c nhau. <a target=\"\" rel=\"\" href=\"https:\/\/www.l-p.com\/\"><strong>C\u1eeda h\u00e0ng Ch\u00ednh th\u1ee9c LINK-PP<\/strong><\/a> cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c b\u1ed9 thu ph\u00e1t SFP v\u00e0 SFP+ \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh, ph\u00f9 h\u1ee3p cho nhi\u1ec1u t\u00ecnh hu\u1ed1ng m\u1ea1ng kh\u00e1c nhau.<\/p>\n\n\n\n<div><div widgetid=\"3ef779ac451211f099380a58fbc66727\" format=\"embedded\" data-widget-id=\"3ef779ac451211f099380a58fbc66727\" data-mode=\"production.zh\" style=\"display: block;\"><\/div><\/div>\n\n\n\n<script src=\"https:\/\/cdn.mylandingpages.co\/widgets\/platform\/platform.widget.js\" async=\"true\"><\/script>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u SFP l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a g\u00ec trong m\u1ea1ng m\u00e1y t\u00ednh, \u00fd ngh\u0129a \u0111\u1ea7y \u0111\u1ee7, c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt, \u1ee9ng d\u1ee5ng v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi SFP+ v\u00e0 GBIC trong h\u01b0\u1edbng d\u1eabn chuy\u00ean s\u00e2u n\u00e0y.<\/p>","protected":false},"author":1,"featured_media":3227,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-3228","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\/3228","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=3228"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3228\/revisions"}],"predecessor-version":[{"id":10768,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3228\/revisions\/10768"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3227"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}