{"id":3135,"date":"2026-03-09T00:00:00","date_gmt":"2026-03-09T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/sfp-small-form-factor-pluggable-transceiver-guide\/"},"modified":"2026-06-22T04:03:57","modified_gmt":"2026-06-22T04:03:57","slug":"sfp-small-form-factor-pluggable-transceiver-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-small-form-factor-pluggable-transceiver-guide","title":{"rendered":"B\u1ed9 thu ph\u00e1t SFP (Small Form-Factor Pluggable): H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7"},"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\/3c58f10ed1c14477b80de89cbe96a28d.jpg\" alt=\"SFP Small Form-Factor Pluggable Transceiver\" class=\"wp-image-3127\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c58f10ed1c14477b80de89cbe96a28d.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c58f10ed1c14477b80de89cbe96a28d-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c58f10ed1c14477b80de89cbe96a28d-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c58f10ed1c14477b80de89cbe96a28d-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3c58f10ed1c14477b80de89cbe96a28d-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>B\u1ed9 thu ph\u00e1t SFP (Small Form-Factor Pluggable)<\/strong><\/a> c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/the-hot-pluggable-nature-of-optical-modules\/\">thi\u1ebft k\u1ebf c\u1eafm n\u00f3ng<\/a> l\u00e0 c\u00e1c m\u00f4-\u0111un m\u1ea1ng \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng truy\u1ec1n th\u00f4ng d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c v\u1edbi c\u00e1p quang s\u1ee3i ho\u1eb7c c\u00e1p \u0111\u1ed3ng, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25832-1-2-4g-transceiver-modules.htm\">C\u00e1c m\u00f4-\u0111un SFP<\/a> ch\u00fang cung c\u1ea5p gi\u1ea3i ph\u00e1p linh ho\u1ea1t v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4 cho c\u00e1c m\u1ea1ng t\u1eeb trung t\u00e2m d\u1eef li\u1ec7u doanh nghi\u1ec7p \u0111\u1ebfn x\u01b0\u01a1ng s\u1ed1ng vi\u1ec5n th\u00f4ng. T\u00ednh \u0111a d\u1ee5ng c\u1ee7a ch\u00fang cho ph\u00e9p qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng n\u00e2ng c\u1ea5p ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh li\u00ean k\u1ebft m\u1ea1ng m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb, t\u1eeb \u0111\u00f3 h\u1ed7 tr\u1ee3 tri\u1ec3n khai c\u1ed5ng m\u1eadt \u0111\u1ed9 cao v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00f4ng qua h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u c\u00e1c ch\u1ee9c n\u0103ng thi\u1ebft y\u1ebfu c\u1ee7a b\u1ed9 thu ph\u00e1t SFP, hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SFP, SFP+ v\u00e0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/491483.htm\">C\u00e1c module QSFP<\/a>, \u0111\u1ed3ng th\u1eddi kh\u00e1m ph\u00e1 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng nh\u01b0 t\u1ed1c \u0111\u1ed9 h\u1ed7 tr\u1ee3, gi\u1edbi h\u1ea1n kho\u1ea3ng c\u00e1ch v\u00e0 lo\u1ea1i \u0111\u1ea7u n\u1ed1i (LC-UPC so v\u1edbi LC-APC). Ngo\u00e0i ra, b\u00e0i vi\u1ebft c\u00f2n n\u00eau b\u1eadt c\u00e1c th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t khi l\u1ef1a ch\u1ecdn c\u00e1c m\u00f4-\u0111un t\u01b0\u01a1ng th\u00edch, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u tr\u00ean nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng m\u1ea1ng kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ebfn cu\u1ed1i b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd n\u1eafm \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin th\u1ef1c ti\u1ec5n v\u1ec1:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>C\u00e1ch x\u00e1c \u0111\u1ecbnh m\u00f4-\u0111un SFP ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u m\u1ea1ng c\u1ee5 th\u1ec3.<\/p><\/li>\n\n\n\n<li><p>So s\u00e1nh SFP v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf nh\u01b0 <a href=\"https:\/\/www.l-p.com\/products\/476813.htm\" target=\"_self\">RJ45<\/a> v\u00e0 c\u00e1c li\u00ean k\u1ebft SFP+.<\/p><\/li>\n\n\n\n<li><p>Hi\u1ec3u r\u00f5 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 v\u1eadn h\u00e0nh \u0111\u1ec3 tri\u1ec3n khai \u0111\u00e1ng tin c\u1eady.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n gi\u1edbi thi\u1ec7u n\u00e0y t\u1ea1o n\u1ec1n t\u1ea3ng cho vi\u1ec7c kh\u00e1m ph\u00e1 chi ti\u1ebft v\u1ec1 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/blog\/types-of-sfp-modules-1g-10g-and-25g-network-guide.htm\">c\u00e1c lo\u1ea1i SFP<\/a>, \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c c\u00e2n nh\u1eafc v\u1ec1 t\u00ednh t\u01b0\u01a1ng th\u00edch, cung c\u1ea5p h\u01b0\u1edbng d\u1eabn ch\u00ednh th\u1ed1ng c\u1ea3 cho k\u1ef9 s\u01b0 l\u1eabn chuy\u00ean gia mua h\u00e0ng nh\u1eb1m ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd36 B\u1ed9 thu ph\u00e1t SFP (Small Form-Factor Pluggable) l\u00e0 g\u00ec \u2014 \u0110\u1ecbnh ngh\u0129a &amp; Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>B\u1ed9 thu ph\u00e1t nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm r\u1eddi <\/strong><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476756.htm\"><strong>B\u1ed9 thu ph\u00e1t (SFP)<\/strong><\/a> l\u00e0 m\u1ed9t m\u00f4-\u0111un m\u1ea1ng nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 giao ti\u1ebfp gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng\u2014nh\u01b0 b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef\u2014v\u1edbi c\u00e1p quang s\u1ee3i ho\u1eb7c c\u00e1p \u0111\u1ed3ng. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cmini-GBIC\u201d (B\u1ed9 chuy\u1ec3n \u0111\u1ed5i giao di\u1ec7n Gigabit), m\u00f4-\u0111un SFP tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n <strong>Th\u1ecfa thu\u1eadn ngu\u1ed3n chung (Multi-Source Agreement \u2014<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/optical-transceivers-msa-standards-guide\/\"><strong>MSA<\/strong><\/a><strong>) SFP<\/strong> do \u1ee6y ban Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf (Small Form Factor Committee \u2014 SFF) thi\u1ebft l\u1eadp v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau. <\/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\/9012650102264291917148aa79eadbf7.jpg\" alt=\"What Is An SFP (Small Form-Factor Pluggable) Transceiver\" class=\"wp-image-3128\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9012650102264291917148aa79eadbf7.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9012650102264291917148aa79eadbf7-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9012650102264291917148aa79eadbf7-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9012650102264291917148aa79eadbf7-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/9012650102264291917148aa79eadbf7-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ecbnh ngh\u0129a Small Form-Factor Pluggable<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u1ed9 thu ph\u00e1t SFP ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c thi\u1ebft b\u1ecb l\u1edbp v\u1eadt l\u00fd (physical layer) c\u00f3 t\u00ednh m\u00f4-\u0111un, chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh t\u00edn hi\u1ec7u quang \u0111\u1ec3 truy\u1ec1n tr\u00ean c\u00e1p quang s\u1ee3i, ho\u1eb7c th\u00edch nghi v\u1edbi giao di\u1ec7n \u0111\u1ed3ng \u0111\u1ec3 k\u1ebft n\u1ed1i Ethernet. K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn c\u1ee7a ch\u00fang cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng h\u1ed7 tr\u1ee3 m\u1eadt \u0111\u1ed9 c\u1ed5ng cao m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u n\u0103ng. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Thi\u1ebft k\u1ebf h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng<\/strong>: C\u00e1c m\u00f4-\u0111un c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o ho\u1eb7c th\u00e1o ra trong khi thi\u1ebft b\u1ecb v\u1eabn \u0111ang ho\u1ea1t \u0111\u1ed9ng, gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ng.<\/p><\/li>\n\n\n\n<li><p><strong>Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng chu\u1ea9n h\u00f3a<\/strong>: K\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd (kho\u1ea3ng 13,4 mm \u00d7 56,5 mm \u00d7 8,5 mm) \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi m\u1ecdi c\u1ed5ng tu\u00e2n th\u1ee7 chu\u1ea9n SFP.<\/p><\/li>\n\n\n\n<li><p><strong>H\u1ed7 tr\u1ee3 giao di\u1ec7n linh ho\u1ea1t<\/strong>: T\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u chu\u1ea9n d\u1eef li\u1ec7u, bao g\u1ed3m 1GBASE-T, 1000BASE-SX\/LX, Fibre Channel v\u00e0 <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sonet-sdh-in-optical-transport-networks\/\" target=\"_blank\" rel=\"\">SONET<\/a>.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a SFP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 thu ph\u00e1t SFP ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u hai chi\u1ec1u gi\u1eefa thi\u1ebft b\u1ecb m\u1ea1ng v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p><strong>Chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n\u2013quang (cho c\u00e1p quang s\u1ee3i)<\/strong>: B\u00ean trong <a href=\"https:\/\/www.l-p.com\/products\/488474.htm\" target=\"_self\">SFP<\/a>, t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o t\u1eeb thi\u1ebft b\u1ecb ch\u1ee7 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng b\u1eb1ng m\u1ed9t <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/laser-types-in-optical-transceiver-modules\/\" target=\"_blank\" rel=\"\">\u0111i-\u1ed1t laser<\/a> ho\u1eb7c LED. Sau \u0111\u00f3, t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n qua c\u00e1p quang s\u1ee3i \u0111\u01a1n mode ho\u1eb7c \u0111a mode t\u1edbi thi\u1ebft b\u1ecb nh\u1eadn.<\/p><\/li>\n\n\n\n<li><p><strong>Chuy\u1ec3n \u0111\u1ed5i quang\u2013\u0111i\u1ec7n (cho c\u00e1p quang s\u1ee3i)<\/strong>: T\u1ea1i \u0111\u1ea7u nh\u1eadn, m\u1ed9t <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/pin-apd-photodiode-technologies-applications\/\" target=\"_blank\" rel=\"\">\u0111i-\u1ed1t quang<\/a> b\u00ean trong b\u1ed9 thu ph\u00e1t SFP chuy\u1ec3n \u0111\u1ed5i l\u1ea1i t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng \u0111\u1ea7u v\u00e0o th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u1ec3 thi\u1ebft b\u1ecb ch\u1ee7 x\u1eed l\u00fd.<\/p><\/li>\n\n\n\n<li><p><strong>Giao di\u1ec7n \u0111\u1ed3ng (t\u00f9y ch\u1ecdn)<\/strong>: M\u1ed9t s\u1ed1 m\u00f4-\u0111un SFP h\u1ed7 tr\u1ee3 c\u00e1p \u0111\u1ed3ng (<a href=\"https:\/\/www.l-p.com\/products\/476770.htm\" target=\"_self\">1GBASE-T<\/a>), tr\u1ef1c ti\u1ebfp truy\u1ec1n v\u00e0 nh\u1eadn t\u00edn hi\u1ec7u \u0111i\u1ec7n m\u00e0 kh\u00f4ng c\u1ea7n chuy\u1ec3n \u0111\u1ed5i quang.<\/p><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>25Gbps<\/strong>: SFP chu\u1ea9n h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 1 Gbps; SFP+ h\u1ed7 tr\u1ee3 10 Gbps; SFP28 h\u1ed7 tr\u1ee3 25\u201328 Gbps.<\/p><\/li>\n\n\n\n<li><p><strong>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn<\/strong>: C\u00e1c m\u00f4-\u0111un \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo ph\u1ea1m vi truy\u1ec1n d\u1eabn\u2014Ng\u1eafn (SR), D\u00e0i (LR) v\u00e0 M\u1edf r\u1ed9ng (ER). V\u00ed d\u1ee5, <a href=\"https:\/\/www.l-p.com\/products\/477879.htm\" target=\"_self\">SFP 1GBASE-LX<\/a> c\u00f3 th\u1ec3 \u0111\u1ea1t kho\u1ea3ng c\u00e1ch l\u00ean \u0111\u1ebfn 10 km tr\u00ean c\u00e1p quang s\u1ee3i \u0111\u01a1n mode.<\/p><\/li>\n\n\n\n<li><p><strong>Lo\u1ea1i \u0111\u1ea7u n\u1ed1i<\/strong>: \u0110\u1ea7u n\u1ed1i LC l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t; ki\u1ec3u \u0111\u00e1nh b\u00f3ng m\u1eb7t \u0111\u1ea7u c\u00f3 th\u1ec3 l\u00e0 UPC (Ultra-Physical Contact) ho\u1eb7c APC (Angled Physical Contact), \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed5n hao ch\u00e8n v\u00e0 t\u1ed5n hao ph\u1ea3n x\u1ea1.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1edd chu\u1ea9n h\u00f3a y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd c\u0169ng nh\u01b0 giao di\u1ec7n \u0111i\u1ec7n\/quang, c\u00e1c b\u1ed9 thu ph\u00e1t SFP cho ph\u00e9p tri\u1ec3n khai m\u1ea1ng linh ho\u1ea1t. Qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng c\u00f3 th\u1ec3 n\u00e2ng c\u1ea5p t\u1ed1c \u0111\u1ed9 li\u00ean k\u1ebft, chuy\u1ec3n t\u1eeb c\u00e1p quang sang c\u00e1p \u0111\u1ed3ng ho\u1eb7c thay th\u1ebf c\u00e1c m\u00f4-\u0111un b\u1ecb l\u1ed7i 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, t\u1eeb \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u1ea3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4 v\u00e0 hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00e0i li\u1ec7u tham kh\u1ea3o:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Small_Form-factor_Pluggable\" target=\"_blank\" rel=\"nofollow\">B\u1ed9 thu ph\u00e1t nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm r\u1eddi<\/a> (SFP) <\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-8472-standard-explained-ddm-for-optical-transceivers\/\" target=\"_blank\" rel=\"\">Long-distance fiber links<\/a>: Giao di\u1ec7n gi\u00e1m s\u00e1t ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 cho c\u00e1c m\u00f4-\u0111un SFP \u2014 MSA \/ \u1ee6y ban SFF<\/p><\/li>\n\n\n\n<li><p>Nh\u00e0 cung c\u1ea5p <a href=\"https:\/\/www.l-p.com\/file\/datasheet\/ls-sm311g-10c.pdf\" target=\"_blank\" rel=\"\">B\u1ea3ng d\u1eef li\u1ec7u SFP<\/a>: C\u00e1c m\u00f4-\u0111un SFP 1G\/10G c\u1ee7a Cisco, SFP+ FTLX8571D3BCL c\u1ee7a Finisar<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd36 L\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t Small Form-Factor Pluggable ph\u00f9 h\u1ee3p: MMF so v\u1edbi SMF, SR\/LR\/ER v\u00e0 (LC-UPC so v\u1edbi LC-APC)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t SFP (Small Form-Factor Pluggable) ph\u00f9 h\u1ee3p \u0111\u00f2i h\u1ecfi \u0111\u00e1nh gi\u00e1 nhi\u1ec1u th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt then ch\u1ed1t: <strong>lo\u1ea1i c\u00e1p quang s\u1ee3i (<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/smf-optical-transceiver-vs-mmf-optical-transceiver-guide\/\"><strong>\u0111a mode so v\u1edbi \u0111\u01a1n mode<\/strong><\/a><strong>), kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn (SR\/LR\/ER) v\u00e0 ki\u1ec3u \u0111\u00e1nh b\u00f3ng m\u1eb7t \u0111\u1ea7u \u0111\u1ea7u n\u1ed1i (UPC so v\u1edbi APC)<\/strong>. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u n\u0103ng li\u00ean k\u1ebft, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ed9 tin c\u1eady d\u00e0i h\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf, ph\u1ea7n l\u1edbn s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i kh\u00f4ng xu\u1ea5t ph\u00e1t t\u1eeb b\u1ed9 thu ph\u00e1t quang (transceiver) m\u00e0 do vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1p quang sai, kh\u00f4ng kh\u1edbp \u0111\u1ea7u n\u1ed1i ho\u1eb7c hi\u1ec3u sai th\u00f4ng s\u1ed1 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn quang. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u1ef1a ch\u1ecdn c\u00f3 h\u1ec7 th\u1ed1ng gi\u00fap tr\u00e1nh nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">MMF so v\u1edbi SMF \u2014 L\u1ef1a ch\u1ecdn lo\u1ea1i c\u00e1p quang ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module SFP quang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1p quang \u0111a mode (MMF) ho\u1eb7c c\u00e1p quang \u0111\u01a1n mode (SMF). S\u1ef1 kh\u00e1c bi\u1ec7t ch\u1ee7 y\u1ebfu li\u00ean quan \u0111\u1ebfn <strong>\u0111\u01b0\u1eddng k\u00ednh l\u00f5i, b\u01b0\u1edbc s\u00f3ng v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1p quang \u0111a mode (MMF)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u00edch th\u01b0\u1edbc l\u00f5i \u0111i\u1ec3n h\u00ecnh: <strong>50 \u00b5m ho\u1eb7c 62,5 \u00b5m<\/strong><\/p><\/li>\n\n\n\n<li><p>C\u00e1c b\u01b0\u1edbc s\u00f3ng \u0111i\u1ec3n h\u00ecnh: <strong>850 nm<\/strong><\/p><\/li>\n\n\n\n<li><p>C\u00e1c module ph\u1ed5 bi\u1ebfn: <a href=\"https:\/\/www.l-p.com\/products\/478231.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><strong>, <\/strong><a href=\"https:\/\/www.l-p.com\/products\/475415.htm\" target=\"_self\"><strong>10GBASE-SR<\/strong><\/a><strong>, <\/strong><a href=\"https:\/\/www.l-p.com\/products\/476088.htm\" target=\"_self\"><strong>25GBASE-LR<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p>Ph\u1ea1m vi truy\u1ec1n d\u1eabn \u0111i\u1ec3n h\u00ecnh: <strong>100\u2013550 m\u00e9t t\u00f9y thu\u1ed9c v\u00e0o c\u1ea5p \u0111\u1ed9 c\u00e1p quang (OM3\/OM4\/OM5)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">MMF th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 c\u00e1c li\u00ean k\u1ebft doanh nghi\u1ec7p ng\u1eafn, n\u01a1i c\u00e1c th\u00e0nh ph\u1ea7n quang chi ph\u00ed th\u1ea5p v\u00e0 h\u1ec7 th\u1ed1ng c\u00e1p c\u1ea5u tr\u00fac s\u1eb5n c\u00f3 l\u00e0m cho n\u00f3 tr\u1edf n\u00ean kh\u1ea3 thi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1p quang \u0111\u01a1n mode (SMF)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u00edch th\u01b0\u1edbc l\u00f5i \u0111i\u1ec3n h\u00ecnh: <strong>~9 \u00b5m<\/strong><\/p><\/li>\n\n\n\n<li><p>C\u00e1c b\u01b0\u1edbc s\u00f3ng \u0111i\u1ec3n h\u00ecnh: <strong>1310 nm ho\u1eb7c 1550 nm<\/strong><\/p><\/li>\n\n\n\n<li><p>C\u00e1c module ph\u1ed5 bi\u1ebfn: <a href=\"https:\/\/www.l-p.com\/products\/477879.htm\" target=\"_self\"><strong>1000BASE-LX<\/strong><\/a><strong>, <\/strong><a href=\"https:\/\/www.l-p.com\/products\/476750.htm\" target=\"_self\"><strong>10GBASE-LR<\/strong><\/a><strong>, <\/strong><a href=\"https:\/\/www.l-p.com\/products\/476852.htm\" target=\"_self\"><strong>10GBASE-ER<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p>Ph\u1ea1m vi truy\u1ec1n d\u1eabn \u0111i\u1ec3n h\u00ecnh: <strong>10 km \u0111\u1ebfn 40 km ho\u1eb7c h\u01a1n<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SMF \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u1ea1ng khu\u00f4n vi\u00ean, m\u1ea1ng \u0111\u00f4 th\u1ecb v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng, n\u01a1i y\u00eau c\u1ea7u truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SR so v\u1edbi LR so v\u1edbi ER \u2014 Hi\u1ec3u c\u00e1c l\u1edbp kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn quang<\/h3>\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\/f420c005f52548e5b53c671734f342c8.jpg\" alt=\"Choosing The Right Small Form-Factor Pluggable Transceiver\uff1a SR\/LR\/ER\" class=\"wp-image-3129\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f420c005f52548e5b53c671734f342c8.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f420c005f52548e5b53c671734f342c8-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f420c005f52548e5b53c671734f342c8-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f420c005f52548e5b53c671734f342c8-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f420c005f52548e5b53c671734f342c8-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module Small Form-Factor Pluggable th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn v\u00e0 b\u01b0\u1edbc s\u00f3ng, s\u1eed d\u1ee5ng c\u00e1c k\u00fd hi\u1ec7u ti\u00eau chu\u1ea9n nh\u01b0 <strong>SR (Short Reach \u2013 Truy\u1ec1n d\u1eabn ng\u1eafn), LR (Long Reach \u2013 Truy\u1ec1n d\u1eabn d\u00e0i) v\u00e0 ER (Extended Reach \u2013 Truy\u1ec1n d\u1eabn m\u1edf r\u1ed9ng)<\/strong>.<\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i quang h\u1ecdc<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>B\u01b0\u1edbc s\u00f3ng \u0111i\u1ec3n h\u00ecnh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i s\u1ee3i<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch \u0111i\u1ec3n h\u00ecnh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476059.htm\"><strong>SR<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>850 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100\u2013400 m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft n\u1ed9i b\u1ed9 trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/491478.htm\"><strong>LR<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn ~10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft x\u01b0\u01a1ng s\u1ed1ng trong khu\u00f4n vi\u00ean<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475581.htm\"><strong>ER<\/strong><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1550 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn ~40 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng \u0111\u00f4 th\u1ecb v\u00e0 vi\u1ec5n th\u00f4ng<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5:<\/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\"><strong>SFP+ 10GBASE-SR<\/strong><\/a> \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho <strong>c\u00e1c li\u00ean k\u1ebft c\u00e1p quang \u0111a mode kho\u1ea3ng c\u00e1ch ng\u1eafn b\u00ean trong trung t\u00e2m d\u1eef li\u1ec7u<\/strong>.<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/477684.htm\" target=\"_self\"><strong>SFP+ 10GBASE-LR<\/strong><\/a> m\u00f4-\u0111un hi\u1ec7n \u0111\u1ea1i h\u1ed7 tr\u1ee3 <strong>c\u00e1c li\u00ean k\u1ebft c\u00e1p quang \u0111\u01a1n mode l\u00ean \u0111\u1ebfn kho\u1ea3ng 10 km<\/strong>.<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476054.htm\" target=\"_self\"><strong>SFP+ 10GBASE-ER<\/strong><\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho <strong>c\u00e1c m\u1ea1ng \u0111\u00f4 th\u1ecb ho\u1eb7c m\u1ea1ng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 kho\u1ea3ng c\u00e1ch d\u00e0i<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c h\u1ea1ng m\u1ee5c kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ed9 thu ph\u00e1t quang \u0111\u01b0\u1ee3c ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi c\u1ea5u tr\u00fac v\u1eadt l\u00fd c\u1ee7a m\u1ea1ng v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ea7u n\u1ed1i \u0111\u1ea7u cu\u1ed1i: LC-UPC so v\u1edbi LC-APC<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n l\u1edbn c\u00e1c module quang SFP s\u1eed d\u1ee5ng <strong>\u0111\u1ea7u n\u1ed1i LC duplex<\/strong>, nh\u01b0ng ki\u1ec3u \u0111\u00e1nh b\u00f3ng b\u1ec1 m\u1eb7t \u0111\u1ea7u c\u00e1p quang\u2014<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/pc-vs-upc-vs-apc-fiber-connector-comparison-guide\/\">UPC ho\u1eb7c APC<\/a>\u2014c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u n\u0103ng quang h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LC-UPC (Ultra Physical Contact \u2013 Ti\u1ebfp x\u00fac v\u1eadt l\u00fd si\u00eau cao)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ec1 m\u1eb7t \u0111\u1ea7u cu\u1ed1i ph\u1eb3ng ho\u1eb7c h\u01a1i cong<\/p><\/li>\n\n\n\n<li><p>T\u1ed5n hao ph\u1ea3n x\u1ea1 \u0111i\u1ec3n h\u00ecnh: <strong>~50 dB<\/strong><\/p><\/li>\n\n\n\n<li><p>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong <strong>M\u1ea1ng Ethernet v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LC-APC (Angled Physical Contact \u2013 Ti\u1ebfp x\u00fac v\u1eadt l\u00fd nghi\u00eang)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ec1 m\u1eb7t \u0111\u1ea7u cu\u1ed1i nghi\u00eang 8 \u0111\u1ed9<\/p><\/li>\n\n\n\n<li><p>Hi\u1ec7u n\u0103ng t\u1ed5n hao ph\u1ea3n x\u1ea1 cao h\u01a1n (<strong>~60 dB ho\u1eb7c t\u1ed1t h\u01a1n<\/strong>)<\/p><\/li>\n\n\n\n<li><p>Ph\u1ed5 bi\u1ebfn trong <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/passive-optical-networks-what-they-are-and-how-they-work\/\" target=\"_blank\" rel=\"\"><strong>PON<br><\/strong><\/a><strong>, <\/strong><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-ftth-fiber-to-the-home\/\" target=\"_blank\" rel=\"\"><strong>FTTH<\/strong><\/a><strong>, v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng quang c\u00f4ng su\u1ea5t cao<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong h\u1ea7u h\u1ebft c\u00e1c tri\u1ec3n khai SFP Ethernet, \u0111\u1ea7u n\u1ed1i LC-UPC l\u00e0 ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">C\u00e1ch nh\u1eadn di\u1ec7n \u0111\u1ea7u n\u1ed1i UPC so v\u1edbi APC<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ef9 s\u01b0 m\u1ea1ng th\u01b0\u1eddng c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c lo\u1ea1i \u0111\u1ea7u n\u1ed1i b\u1eb1ng c\u00e1ch <strong>m\u00e0u s\u1eafc v\u00e0 thi\u1ebft k\u1ebf v\u1eadt l\u00fd<\/strong>:<\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i \u0111\u1ea7u n\u1ed1i<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00e0u s\u1eafc \u0111i\u1ec3n h\u00ecnh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>G\u00f3c b\u1ec1 m\u1eb7t \u0111\u1ea7u cu\u1ed1i<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>UPC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Xanh lam<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u1eb3ng<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>APC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Xanh l\u00e1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>G\u00f3c 8\u00b0<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u0111\u00e1ng tin c\u1eady. Ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n nh\u1ea5t l\u00e0 x\u00e1c minh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>B\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ed9 thu ph\u00e1t quang<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a d\u00e2y c\u00e1p n\u1ed1i quang<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>T\u00e0i li\u1ec7u thi\u1ebft b\u1ecb m\u1ea1ng<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn khi l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t quang Small Form-Factor Pluggable<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 nh\u1eefng k\u1ef9 s\u01b0 l\u1eafp \u0111\u1eb7t m\u1ea1ng gi\u00e0u kinh nghi\u1ec7m \u0111\u00f4i khi v\u1eabn g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch. Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p><strong>K\u1ebft h\u1ee3p module \u0111a mode v\u1edbi c\u00e1p quang \u0111\u01a1n mode<\/strong><br>(v\u00ed d\u1ee5: s\u1eed d\u1ee5ng module <a href=\"https:\/\/www.l-p.com\/products\/477618.htm\" target=\"_self\">SR<\/a> tr\u00ean SMF).<\/p><\/li>\n\n\n\n<li><p><strong>K\u1ebft n\u1ed1i \u0111\u1ea7u n\u1ed1i quang UPC v\u1edbi \u0111\u1ea7u n\u1ed1i c\u00e1p quang APC<\/strong><br>g\u00e2y ra ph\u1ea3n x\u1ea1 qu\u00e1 m\u1ee9c v\u00e0 m\u1ea5t \u1ed5n \u0111\u1ecbnh li\u00ean k\u1ebft.<\/p><\/li>\n\n\n\n<li><p><strong>L\u1ef1a ch\u1ecdn kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn kh\u00f4ng \u0111\u1ee7<\/strong><br>v\u00ed d\u1ee5 nh\u01b0 d\u00f9ng module SR cho c\u00e1c li\u00ean k\u1ebft v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n c\u00e1p quang \u0111a mode.<\/p><\/li>\n\n\n\n<li><p><strong>B\u1ecf qua c\u00e1c y\u00eau c\u1ea7u t\u01b0\u01a1ng th\u00edch c\u1ee7a nh\u00e0 cung c\u1ea5p<\/strong><br>khi l\u1eafp \u0111\u1eb7t module SFP c\u1ee7a b\u00ean th\u1ee9 ba.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ng\u0103n ng\u1eeba nh\u1eefng l\u1ed7i n\u00e0y, c\u1ea7n x\u00e1c minh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a module SFP, lo\u1ea1i c\u00e1p quang, ki\u1ec3u \u0111\u00e1nh b\u00f3ng \u0111\u1ea7u n\u1ed1i v\u00e0 c\u00e1c chu\u1ea9n Ethernet \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ma tr\u1eadn ra quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn SFP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ma tr\u1eadn \u0111\u01a1n gi\u1ea3n sau \u0111\u00e2y c\u00f3 th\u1ec3 gi\u00fap k\u1ef9 s\u01b0 ch\u1ecdn b\u1ed9 thu ph\u00e1t quang ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean y\u00eau c\u1ea7u m\u1ea1ng.<\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>T\u00ecnh hu\u1ed1ng m\u1ea1ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Module \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i s\u1ee3i<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ea7u n\u1ed1i<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u1eeb gi\u00e1 rack \u0111\u1ebfn gi\u00e1 rack trong trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476077.htm\">SFP+ SR<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF (OM3\/OM4)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LC-UPC<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 trong khu\u00f4n vi\u00ean<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477743.htm\">SFP+ LR<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LC-UPC<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>X\u01b0\u01a1ng s\u1ed1ng m\u1ea1ng \u0111\u00f4 th\u1ecb ho\u1eb7c vi\u1ec5n th\u00f4ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477944.htm\">SFP+ ER<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LC-UPC\/APC t\u00f9y theo m\u1ea1ng<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng quang th\u1ee5 \u0111\u1ed9ng (PON)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>B\u1ed9 thu ph\u00e1t quang chuy\u00ean d\u1ee5ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LC-APC<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y \u0111\u1ea3m b\u1ea3o th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ed9 thu ph\u00e1t quang ph\u00f9 h\u1ee3p v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quang h\u1ecdc v\u00e0 y\u00eau c\u1ea7u hi\u1ec7u n\u0103ng m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u1eb9o l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t quang Small Form-Factor Pluggable ph\u00f9 h\u1ee3p:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1a ch\u1ecdn \u0111\u00fang <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\"><strong>B\u1ed9 thu ph\u00e1t SFP<\/strong><\/a> bao g\u1ed3m vi\u1ec7c \u0111\u1ed3ng b\u1ed9 h\u00f3a <strong>lo\u1ea1i c\u00e1p quang, kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn v\u00e0 ki\u1ec3u \u0111\u00e1nh b\u00f3ng \u0111\u1ea7u n\u1ed1i \u0111\u1ea7u cu\u1ed1i<\/strong> v\u1edbi m\u00f4i tr\u01b0\u1eddng m\u1ea1ng th\u1ef1c t\u1ebf. Trong h\u1ea7u h\u1ebft c\u00e1c tri\u1ec3n khai Ethernet doanh nghi\u1ec7p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>module SR + c\u00e1p quang \u0111a mode<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p><\/li>\n\n\n\n<li><p><strong>module LR + c\u00e1p quang \u0111\u01a1n mode<\/strong> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c li\u00ean k\u1ebft khu\u00f4n vi\u00ean ho\u1eb7c gi\u1eefa c\u00e1c t\u00f2a nh\u00e0.<\/p><\/li>\n\n\n\n<li><p><strong>\u0110\u1ea7u n\u1ed1i LC-UPC<\/strong> l\u00e0 giao di\u1ec7n ti\u00eau chu\u1ea9n cho c\u00e1c b\u1ed9 thu ph\u00e1t quang SFP Ethernet.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch kh\u1edbp c\u1ea9n th\u1eadn c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y, ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1ea1ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c li\u00ean k\u1ebft quang \u1ed5n \u0111\u1ecbnh, hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u00e2u d\u00e0i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd36 C\u00e1c lo\u1ea1i SFP v\u00e0 d\u1ea1ng h\u00ecnh: SFP, SFP+, SFP28, QSFP \u2014 T\u1ed1c \u0111\u1ed9 v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>H\u1ec7 sinh th\u00e1i Small Form-Factor Pluggable (SFP)<\/strong> \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u00e1ng k\u1ec3 nh\u1eb1m \u0111\u00e1p \u1ee9ng nhu c\u1ea7u b\u0103ng th\u00f4ng ng\u00e0y c\u00e0ng t\u0103ng trong m\u1ea1ng doanh nghi\u1ec7p, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng. M\u1eb7c d\u00f9 chu\u1ea9n SFP ban \u0111\u1ea7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho Gigabit Ethernet, c\u00e1c bi\u1ebfn th\u1ec3 m\u1edbi h\u01a1n nh\u01b0 <strong>SFP+, SFP28 v\u00e0 QSFP<\/strong> m\u1edf r\u1ed9ng c\u00f9ng kh\u00e1i ni\u1ec7m m\u00f4-\u0111un n\u00e0y sang c\u00e1c t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao h\u01a1n nhi\u1ec1u, trong khi v\u1eabn duy tr\u00ec k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u00e0 kh\u1ea3 n\u0103ng c\u1eafm n\u00f3ng (hot-pluggable).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng n\u00e0y tu\u00e2n theo c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt do \u1ee6y ban Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf (Small Form Factor Committee) v\u00e0 Nh\u00f3m Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n SFP (SFP Multi\u2011Source Agreement \u2013 MSA) \u0111\u1ecbnh ngh\u0129a, nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c m\u00f4-\u0111un c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau v\u00e0 thi\u1ebft b\u1ecb ch\u1ee7. Nh\u1edd s\u1ef1 chu\u1ea9n h\u00f3a n\u00e0y, k\u1ef9 s\u01b0 m\u1ea1ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng m\u1ea1ng m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n b\u1eb1ng c\u00e1ch ch\u1ecdn lo\u1ea1i m\u00f4-\u0111un quang ph\u00f9 h\u1ee3p m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf ph\u1ea7n c\u1ee9ng chuy\u1ec3n m\u1ea1ch n\u1ec1n t\u1ea3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng b\u1ed9 thu ph\u00e1t c\u1eafm r\u1eddi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2158c6b60aad4782964f18bb68675813-1024x576.jpg\" alt=\"SFP Types And Form Factors: SFP, SFP+, SFP28, QSFP \u2014 Speeds And Common Use Cases\" class=\"wp-image-3130\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2158c6b60aad4782964f18bb68675813-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2158c6b60aad4782964f18bb68675813-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2158c6b60aad4782964f18bb68675813-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2158c6b60aad4782964f18bb68675813-18x10.jpg 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2158c6b60aad4782964f18bb68675813.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">SFP (1G)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Phi\u00ean b\u1ea3n g\u1ed1c <strong>SFP <\/strong><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25832-1-2-4g-transceiver-modules.htm\"><strong>(B\u1ed9 k\u1ebft n\u1ed1i d\u1ea1ng nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm th\u00e1o \u0111\u01b0\u1ee3c)<\/strong> Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/a> \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u nh\u01b0 m\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf nh\u1ecf g\u1ecdn cho b\u1ed9 thu ph\u00e1t GBIC c\u0169 h\u01a1n. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho <strong>c\u00e1c k\u1ebft n\u1ed1i Ethernet 1 Gigabit v\u00e0 Fibre Channel<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a:<\/strong> l\u00ean \u0111\u1ebfn 1,25 Gb\/s<\/p><\/li>\n\n\n\n<li><p><strong>C\u00e1c ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn:<\/strong> 1000BASE-SX, 1000BASE-LX, <a href=\"https:\/\/www.l-p.com\/products\/478077.htm\" target=\"_self\">1000BASE-ZX<\/a>, and <a href=\"https:\/\/www.l-p.com\/products\/476770.htm\" target=\"_self\">1000BASE-T<\/a><\/p><\/li>\n\n\n\n<li><p><strong>\u0110\u1ea7u n\u1ed1i \u0111i\u1ec3n h\u00ecnh:<\/strong> LC duplex cho c\u00e1c m\u00f4-\u0111un s\u1ee3i quang, RJ45 cho c\u00e1c phi\u00ean b\u1ea3n \u0111\u1ed3ng tr\u1ee5c<\/p><\/li>\n\n\n\n<li><p><strong>Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>SX (s\u1ee3i quang \u0111a mode 850 nm): l\u00ean \u0111\u1ebfn kho\u1ea3ng 550 m<\/p><\/li>\n\n\n\n<li><p>LX (s\u1ee3i quang \u0111\u01a1n mode 1310 nm): l\u00ean \u0111\u1ebfn kho\u1ea3ng 10 km<\/p><\/li>\n\n\n\n<li><p>ZX (s\u1ee3i quang \u0111\u01a1n mode 1550 nm): l\u00ean \u0111\u1ebfn kho\u1ea3ng 80 km<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP v\u1eabn \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i trong c\u00e1c m\u1ea1ng truy c\u1eadp doanh nghi\u1ec7p, m\u1ea1ng khu\u00f4n vi\u00ean, m\u1ea1ng Ethernet c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng trung t\u00e2m d\u1eef li\u1ec7u k\u1ebf th\u1eeba n\u01a1i k\u1ebft n\u1ed1i 1G l\u00e0 \u0111\u1ee7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SFP+ (10G)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\"><strong>SFP+<\/strong><\/a><strong> (B\u1ed9 thu ph\u00e1t nh\u1ecf d\u1ea1ng n\u00e2ng cao c\u00f3 th\u1ec3 c\u1eafm r\u1eddi)<\/strong> l\u00e0 phi\u00ean b\u1ea3n n\u00e2ng cao c\u1ee7a thi\u1ebft k\u1ebf SFP, h\u1ed7 tr\u1ee3 <strong>Ethernet 10 Gigabit<\/strong> trong khi v\u1eabn gi\u1eef g\u1ea7n nh\u01b0 c\u00f9ng k\u00edch th\u01b0\u1edbc c\u01a1 h\u1ecdc. Nh\u1edd chung y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng, nhi\u1ec1u b\u1ed9 chuy\u1ec3n m\u1ea1ch cung c\u1ea5p c\u1ed5ng k\u1ebft h\u1ee3p SFP\/SFP+, tuy nhi\u00ean c\u00e1c m\u00f4-\u0111un SFP kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 10G.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a:<\/strong> l\u00ean \u0111\u1ebfn 10,3 Gb\/s<\/p><\/li>\n\n\n\n<li><p><strong>C\u00e1c ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn:<\/strong> 10GBASE-SR, 10GBASE-LR, 10GBASE-ER, 10GBASE-ZR<\/p><\/li>\n\n\n\n<li><p><strong>Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>SR (s\u1ee3i quang \u0111a mode 850 nm): l\u00ean \u0111\u1ebfn kho\u1ea3ng 300\u2013400 m<\/p><\/li>\n\n\n\n<li><p>LR (s\u1ee3i quang \u0111\u01a1n mode 1310 nm): l\u00ean \u0111\u1ebfn kho\u1ea3ng 10 km<\/p><\/li>\n\n\n\n<li><p>ER (s\u1ee3i quang \u0111\u01a1n mode 1550 nm): l\u00ean \u0111\u1ebfn kho\u1ea3ng 40 km<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p><strong>C\u00e1c t\u00f9y ch\u1ecdn c\u00e1p:<\/strong> s\u1ee3i quang, DAC (Direct Attach Copper), ho\u1eb7c AOC (Active Optical Cable)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP+ th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u1edbp t\u1eadp h\u1ee3p trung t\u00e2m d\u1eef li\u1ec7u, x\u01b0\u01a1ng s\u1ed1ng doanh nghi\u1ec7p t\u1ed1c \u0111\u1ed9 cao v\u00e0 m\u1ea1ng l\u00f5i vi\u1ec5n th\u00f4ng n\u01a1i y\u00eau c\u1ea7u b\u0103ng th\u00f4ng 10G.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SFP28 (25\/28G)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\"><strong>SFP28<\/strong><\/a> m\u1edf r\u1ed9ng giao di\u1ec7n \u0111i\u1ec7n c\u1ee7a SFP+ \u0111\u1ec3 h\u1ed7 tr\u1ee3 <strong>Ethernet 25 Gb\/s<\/strong>, cung c\u1ea5p l\u1ed9 tr\u00ecnh n\u00e2ng c\u1ea5p hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed cho c\u00e1c m\u1ea1ng trung t\u00e2m d\u1eef li\u1ec7u m\u1eadt \u0111\u1ed9 cao. N\u00f3 duy tr\u00ec c\u00f9ng k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd v\u1edbi SFP+, cho ph\u00e9p c\u00e1c nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb thi\u1ebft k\u1ebf c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch c\u00f3 th\u00f4ng l\u01b0\u1ee3ng cao h\u01a1n m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng k\u00edch th\u01b0\u1edbc c\u1ed5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a:<\/strong> 25\u201328 Gb\/s<\/p><\/li>\n\n\n\n<li><p><strong>C\u00e1c ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn:<\/strong> 25GBASE-SR, 25GBASE-LR<\/p><\/li>\n\n\n\n<li><p><strong>Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>SR (MMF): l\u00ean \u0111\u1ebfn kho\u1ea3ng 70\u2013100 m t\u00f9y theo c\u1ea5p \u0111\u1ed9 s\u1ee3i quang<\/p><\/li>\n\n\n\n<li><p>LR (SMF): l\u00ean \u0111\u1ebfn kho\u1ea3ng 10 km<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFP28 \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i trong <strong>c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u si\u00eau quy m\u00f4 hi\u1ec7n \u0111\u1ea1i, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y v\u00e0 k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7\u2013b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/strong>, n\u01a1i c\u00e1c li\u00ean k\u1ebft 25G mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1i \u01b0u gi\u1eefa chi ph\u00ed, hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u n\u0103ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ecd QSFP (40G, 100G V\u00e0 Cao H\u01a1n)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26152-10-25-40g-100g-transceiver-modules.htm\"><strong>QSFP<\/strong><\/a><strong> (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)<\/strong> h\u1ecd t\u0103ng b\u0103ng th\u00f4ng b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p <strong>b\u1ed1n k\u00eanh truy\u1ec1n v\u00e0 nh\u1eadn t\u1ed1c \u0111\u1ed9 cao trong m\u1ed9t module duy nh\u1ea5t<\/strong>. Ki\u1ebfn tr\u00fac n\u00e0y cho ph\u00e9p t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed5ng h\u1ee3p cao \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c module SFP \u0111\u01a1n k\u00eanh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c bi\u1ebfn th\u1ec3 ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/491590.htm\" target=\"_self\"><strong>QSFP+<\/strong><\/a> \u2014 Ethernet 40 Gb\/s<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/491585.htm\" target=\"_self\"><strong>QSFP28<br><\/strong><\/a> \u2014 Ethernet 100 Gb\/s<\/p><\/li>\n\n\n\n<li><p><strong>QSFP56 \/ QSFP112<\/strong> \u2014 200\u2013400 Gb\/s cho c\u00e1c c\u1ea5u tr\u00fac trung t\u00e2m d\u1eef li\u1ec7u th\u1ebf h\u1ec7 ti\u1ebfp theo<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong chuy\u1ec3n m\u1ea1ch l\u00f5i trung t\u00e2m d\u1eef li\u1ec7u, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y si\u00eau quy m\u00f4 v\u00e0 m\u1ea1ng v\u1eadn chuy\u1ec3n vi\u1ec5n th\u00f4ng c\u00f3 dung l\u01b0\u1ee3ng cao, n\u01a1i y\u00eau c\u1ea7u th\u00f4ng l\u01b0\u1ee3ng c\u1ef1c cao v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ed5ng l\u1edbn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">So s\u00e1nh c\u00e1c lo\u1ea1i b\u1ed9 thu ph\u00e1t g\u1eafn r\u1eddi ph\u1ed5 bi\u1ebfn<\/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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>H\u1ec7 s\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>Lo\u1ea1i s\u1ee3i quang<\/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><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>SFP<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF \/ SMF \/ \u0110\u1ed3ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn kho\u1ea3ng 80 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng truy c\u1eadp doanh nghi\u1ec7p, Ethernet c\u00f4ng nghi\u1ec7p<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>SFP+<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF \/ SMF \/ DAC<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn ~40 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u00edch h\u1ee3p trung t\u00e2m d\u1eef li\u1ec7u, x\u01b0\u01a1ng s\u1ed1ng doanh nghi\u1ec7p<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>SFP28<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>25 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF \/ SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn ~10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung t\u00e2m d\u1eef li\u1ec7u si\u00eau quy m\u00f4, li\u00ean k\u1ebft m\u00e1y ch\u1ee7\u2013b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>QSFP+ \/ QSFP28<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40\u2013100 Gb\/s<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF \/ SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn kho\u1ea3ng 10\u201340 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chuy\u1ec3n m\u1ea1ch l\u00f5i, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110i\u1ec3m c\u1ea7n l\u01b0u \u00fd ch\u00ednh<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ti\u1ebfn h\u00f3a t\u1eeb <strong>SFP sang SFP+, SFP28 v\u00e0 QSFP<\/strong> cho th\u1ea5y c\u00e1ch c\u00e1c b\u1ed9 thu ph\u00e1t quang g\u1eafn r\u1eddi \u0111\u00e3 m\u1edf r\u1ed9ng quy m\u00f4 theo nhu c\u1ea7u b\u0103ng th\u00f4ng m\u1ea1ng trong khi v\u1eabn duy tr\u00ec thi\u1ebft k\u1ebf m\u00f4-\u0111un chu\u1ea9n h\u00f3a. T\u00ednh m\u00f4-\u0111un n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1ea1ng <strong>t\u0103ng dung l\u01b0\u1ee3ng, n\u00e2ng c\u1ea5p t\u1ed1c \u0111\u1ed9 ho\u1eb7c thay \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn ch\u1ec9 b\u1eb1ng c\u00e1ch thay th\u1ebf b\u1ed9 thu ph\u00e1t<\/strong>, m\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft k\u1ebf l\u1ea1i to\u00e0n b\u1ed9 n\u1ec1n t\u1ea3ng m\u1ea1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd36 T\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a SFP b\u00ean th\u1ee9 ba v\u00e0 c\u00e1c lo ng\u1ea1i v\u1ec1 b\u1ea3o h\u00e0nh \u2014 Gi\u1ea3i th\u00edch hi\u1ec7n t\u01b0\u1ee3ng kh\u00f3a nh\u00e0 cung c\u1ea5p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c tri\u1ec3n khai m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, nhi\u1ec1u t\u1ed5 ch\u1ee9c c\u00e2n nh\u1eafc <strong>b\u1ed9 thu ph\u00e1t SFP c\u1ee7a b\u00ean th\u1ee9 ba ho\u1eb7c \u201ct\u01b0\u01a1ng th\u00edch\u201d<\/strong> nh\u01b0 m\u1ed9t l\u1ef1a ch\u1ecdn thay th\u1ebf cho c\u00e1c thi\u1ebft b\u1ecb quang h\u1ecdc c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM). M\u1eb7c d\u00f9 c\u00e1c m\u00f4-\u0111un OEM t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 Cisco Systems ho\u1eb7c Juniper Networks \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng th\u00edch v\u1edbi n\u1ec1n t\u1ea3ng c\u1ee7a h\u1ecd, nh\u01b0ng ch\u00fang th\u01b0\u1eddng \u0111\u1eaft h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c thi\u1ebft b\u1ecb quang h\u1ecdc t\u01b0\u01a1ng th\u00edch \u0111a nh\u00e0 cung c\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ch\u00eanh l\u1ec7ch gi\u00e1 n\u00e0y \u0111\u00e3 d\u1eabn \u0111\u1ebfn c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn r\u1ed9ng r\u00e3i trong ng\u00e0nh v\u1ec1 vi\u1ec7c b\u1ecb kh\u00f3a v\u00e0o nh\u00e0 cung c\u1ea5p (vendor lock-in), kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c (interoperability) v\u00e0 c\u00e1c h\u1ec7 qu\u1ea3 li\u00ean quan \u0111\u1ebfn b\u1ea3o h\u00e0nh. H\u1ec7 sinh th\u00e1i SFP b\u1ea3n th\u00e2n n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u00e1c \u0111\u1eb7c t\u1ea3 m\u1edf do Nh\u00f3m Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n SFP (SFP Multi\u2011Source Agreement \u2013 MSA) \u0111\u1ecbnh ngh\u0129a <strong>Nh\u00f3m Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n SFP (SFP Multi\u2011Source Agreement \u2013 MSA)<\/strong>, quy chu\u1ea9n h\u00f3a y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd v\u00e0 giao di\u1ec7n \u0111i\u1ec7n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb quang h\u1ecdc c\u00f3 th\u1ec3 c\u1eafm r\u1eddi. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb m\u1ea1ng tri\u1ec3n khai c\u00e1c ki\u1ec3m tra ph\u1ea7n m\u1ec1m\u56fa\u4ef6 \u0111\u1ec3 x\u00e1c minh d\u1eef li\u1ec7u nh\u1eadn d\u1ea1ng c\u1ee7a b\u1ed9 thu ph\u00e1t.<\/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\/403cf7da9b834568ae272fdc2bb2480c.jpg\" alt=\" Third-Party SFP Compatibility And Warranty Concerns \u2014 Vendor Lock-In Explained\" class=\"wp-image-3131\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/403cf7da9b834568ae272fdc2bb2480c.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/403cf7da9b834568ae272fdc2bb2480c-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/403cf7da9b834568ae272fdc2bb2480c-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/403cf7da9b834568ae272fdc2bb2480c-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/403cf7da9b834568ae272fdc2bb2480c-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ) sau \u0111\u00e2y gi\u1ea3i \u0111\u00e1p nh\u1eefng lo ng\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 k\u1ef9 s\u01b0 m\u1ea1ng v\u00e0 \u0111\u1ed9i ng\u0169 mua s\u1eafm \u0111\u1eb7t ra khi \u0111\u00e1nh gi\u00e1<a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"> SFP c\u1ee7a b\u00ean th\u1ee9 ba<\/a> hay \u0111\u01a1n mode (SMF).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c m\u00f4-\u0111un SFP c\u1ee7a b\u00ean th\u1ee9 ba c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbn kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00f3\u2014trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c thi\u1ebft b\u1ecb quang h\u1ecdc t\u01b0\u01a1ng th\u00edch th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tu\u00e2n theo c\u00f9ng c\u00e1c ti\u00eau chu\u1ea9n MSA nh\u01b0 c\u00e1c m\u00f4-\u0111un OEM. Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t b\u00ean th\u1ee9 ba l\u1eadp tr\u00ecnh d\u1eef li\u1ec7u <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/how-eeprom-powers-sfp-and-qsfp-optical-modules\/\"><strong>B\u1ed9 nh\u1edb EEPROM<\/strong><\/a><strong> nh\u1eadn d\u1ea1ng<\/strong> sao cho b\u1ed9 chuy\u1ec3n m\u1ea1ch nh\u1eadn ra thi\u1ebft b\u1ecb quang l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ef1c t\u1ebf, c\u00e1c b\u1ed9 quang t\u01b0\u01a1ng th\u00edch \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>m\u1ea1ng doanh nghi\u1ec7p tr\u00ean khu\u00f4n vi\u00ean<\/p><\/li>\n\n\n\n<li><p>trung t\u00e2m d\u1eef li\u1ec7u<br><\/p><\/li>\n\n\n\n<li><p>m\u1ea1ng vi\u1ec5n th\u00f4ng \u1edf bi\u00ean<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, t\u00ednh t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>the <strong>phi\u00ean b\u1ea3n firmware c\u1ee7a switch<\/strong><\/p><\/li>\n\n\n\n<li><p>the <strong>m\u00f4 h\u00ecnh module c\u1ee5 th\u1ec3<\/strong><\/p><\/li>\n\n\n\n<li><p>the <strong>ch\u00ednh s\u00e1ch x\u00e1c th\u1ef1c quang h\u1ecdc c\u1ee7a nh\u00e0 cung c\u1ea5p<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec l\u00fd do n\u00e0y, c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn th\u01b0\u1eddng cung c\u1ea5p ma tr\u1eadn t\u01b0\u01a1ng th\u00edch \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra, li\u1ec7t k\u00ea c\u00e1c switch v\u00e0 router \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vi\u1ec7c s\u1eed d\u1ee5ng SFP c\u1ee7a b\u00ean th\u1ee9 ba c\u00f3 l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o h\u00e0nh thi\u1ebft b\u1ecb kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, <strong>vi\u1ec7c l\u1eafp \u0111\u1eb7t m\u1ed9t b\u1ed9 SFP c\u1ee7a b\u00ean th\u1ee9 ba kh\u00f4ng t\u1ef1 \u0111\u1ed9ng l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o h\u00e0nh ph\u1ea7n c\u1ee9ng<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb m\u1ea1ng l\u1edbn th\u01b0\u1eddng kh\u00f4ng th\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a b\u1ea3o h\u00e0nh thi\u1ebft b\u1ecb ch\u1ec9 v\u00ec \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ed9t b\u1ed9 quang t\u01b0\u01a1ng th\u00edch. Tuy nhi\u00ean, n\u1ebfu s\u1ef1 c\u1ed1 m\u1ea1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp do module kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 g\u00e2y ra, \u0111\u1ed9i h\u1ed7 tr\u1ee3 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u thay th\u1ebf module b\u1eb1ng linh ki\u1ec7n g\u1ed1c (OEM) tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t l\u00e0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>X\u00e1c minh b\u1ed9 quang v\u1edbi <strong>danh s\u00e1ch t\u01b0\u01a1ng th\u00edch c\u1ee7a nh\u00e0 cung c\u1ea5p<\/strong>.<\/p><\/li>\n\n\n\n<li><p>Gi\u1eef s\u1eb5n <strong>c\u00e1c b\u1ed9 quang OEM \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n<\/strong> n\u1ebfu \u0111\u1ed9i h\u1ed7 tr\u1ee3 y\u00eau c\u1ea7u.<\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng c\u00e1c module t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p cung c\u1ea5p <strong>b\u1ea3o h\u00e0nh tr\u1ecdn \u0111\u1eddi v\u00e0 ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c<\/strong>.<\/p><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao m\u1ed9t s\u1ed1 switch t\u1eeb ch\u1ed1i c\u00e1c b\u1ed9 quang c\u1ee7a b\u00ean th\u1ee9 ba?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb m\u1ea1ng tri\u1ec3n khai c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c firmware nh\u1eb1m ki\u1ec3m tra th\u00f4ng tin nh\u1eadn d\u1ea1ng \u0111\u01b0\u1ee3c l\u01b0u trong EEPROM c\u1ee7a b\u1ed9 thu ph\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ki\u1ec3m tra n\u00e0y c\u00f3 th\u1ec3 x\u00e1c minh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>t\u00ean nh\u00e0 cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>m\u00e3 nh\u1eadn d\u1ea1ng s\u1ea3n ph\u1ea9m (PID)<\/p><\/li>\n\n\n\n<li><p>m\u00e3 \u0111\u1eb7c t\u1ea3 quang h\u1ecdc<\/p><\/li>\n\n\n\n<li><p>t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu d\u1eef li\u1ec7u EEPROM kh\u00f4ng kh\u1edbp v\u1edbi h\u1ed3 s\u01a1 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t, switch c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u201cPh\u00e1t hi\u1ec7n b\u1ed9 thu ph\u00e1t kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3\u201d<\/p><\/li>\n\n\n\n<li><p>\u201c\u0110\u00e3 c\u00e0i \u0111\u1eb7t module kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n\u201d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u b\u1ed9 quang t\u01b0\u01a1ng th\u00edch \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh v\u1edbi c\u00e1c h\u1ed3 s\u01a1 EEPROM \u0111\u1eb7c th\u00f9 theo nh\u00e0 cung c\u1ea5p nh\u1eb1m \u0111\u1ea3m b\u1ea3o switch nh\u1eadn di\u1ec7n ch\u00fang m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1ch ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a b\u1ed9 thu ph\u00e1t nh\u1ecf d\u1ea1ng c\u1eafm r\u1eddi (Small Form-Factor Pluggable)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi mua ho\u1eb7c l\u1eafp \u0111\u1eb7t c\u00e1c b\u1ed9 quang, qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng n\u00ean x\u00e1c minh t\u00ednh t\u01b0\u01a1ng th\u00edch b\u1eb1ng c\u00e1c b\u01b0\u1edbc sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ki\u1ec3m tra t\u00e0i li\u1ec7u ph\u1ea7n c\u1ee9ng c\u1ee7a switch<\/strong><br>Xem l\u1ea1i danh s\u00e1ch b\u1ed9 thu ph\u00e1t \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 do nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb c\u00f4ng b\u1ed1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>X\u00e1c nh\u1eadn y\u00eau c\u1ea7u firmware<\/strong><br>M\u1ed9t s\u1ed1 phi\u00ean b\u1ea3n firmware b\u1ed5 sung ho\u1eb7c lo\u1ea1i b\u1ecf h\u1ed7 tr\u1ee3 cho c\u00e1c b\u1ed9 quang c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eed d\u1ee5ng ma tr\u1eadn t\u01b0\u01a1ng th\u00edch<\/strong><br>C\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn cung c\u1ea5p b\u1ea3ng t\u01b0\u01a1ng th\u00edch switch bao g\u1ed3m c\u00e1c n\u1ec1n t\u1ea3ng t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 Arista Networks, Hewlett Packard Enterprise v\u00e0 Juniper Networks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>X\u00e1c minh \u0111\u1eb7c t\u1ea3 quang h\u1ecdc<\/strong><br>\u0110\u1ea3m b\u1ea3o b\u01b0\u1edbc s\u00f3ng, l\u1edbp kho\u1ea3ng c\u00e1ch truy\u1ec1n v\u00e0 lo\u1ea1i \u0111\u1ea7u n\u1ed1i c\u1ee7a module ph\u00f9 h\u1ee3p v\u1edbi h\u1ea1 t\u1ea7ng c\u00e1p quang hi\u1ec7n c\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb m\u1ea1ng c\u00f4ng b\u1ed1 c\u00e1c danh s\u00e1ch n\u00e0y d\u01b0\u1edbi d\u1ea1ng t\u00e0i li\u1ec7u c\u00f3 th\u1ec3 t\u1ea3i xu\u1ed1ng. Vi\u1ec7c cung c\u1ea5p ma tr\u1eadn t\u01b0\u01a1ng th\u00edch switch c\u00f3 th\u1ec3 gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a \u0111\u00e1ng k\u1ec3 quy tr\u00ecnh l\u1ef1a ch\u1ecdn cho k\u1ef9 s\u01b0 v\u00e0 \u0111\u1ed9i mua h\u00e0ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1ch \u0111\u1ecdc th\u00f4ng tin EEPROM c\u1ee7a SFP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/492168.htm\">m\u00f4-\u0111un SFP<\/a> \u0111\u1ec1u ch\u1ee9a m\u1ed9t EEPROM n\u1ed9i b\u1ed9 (B\u1ed9 nh\u1edb ch\u1ec9 \u0111\u1ecdc c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh v\u00e0 x\u00f3a \u0111i\u1ec7n) l\u01b0u tr\u1eef th\u00f4ng tin nh\u1eadn d\u1ea1ng v\u00e0 ch\u1ea9n \u0111o\u00e1n. C\u1ea5u tr\u00fac d\u1eef li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a theo \u0111\u1eb7c t\u1ea3 Giao di\u1ec7n gi\u00e1m s\u00e1t ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 SFF\u20118472.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c tr\u01b0\u1eddng EEPROM ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Tr\u01b0\u1eddng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4 t\u1ea3<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u00ean nh\u00e0 cung c\u1ea5p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u00e3 nh\u1eadn d\u1ea1ng nh\u00e0 s\u1ea3n xu\u1ea5t<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>S\u1ed1 ph\u1ee5 t\u00f9ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u00f4 h\u00ecnh module quang h\u1ecdc<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>S\u1ed1 s\u00ea-ri<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>ID ph\u1ea7n c\u1ee9ng duy nh\u1ea5t<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>v\u00ed d\u1ee5: 1G, 10G<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>B\u01b0\u1edbc s\u00f3ng<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>B\u01b0\u1edbc s\u00f3ng truy\u1ec1n d\u1eabn quang h\u1ecdc<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>D\u1eef li\u1ec7u DOM\/DDM<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec7n \u00e1p, c\u00f4ng su\u1ea5t ph\u00e1t\/thu (Tx\/Rx) theo th\u1eddi gian th\u1ef1c<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c switch cho ph\u00e9p qu\u1ea3n tr\u1ecb vi\u00ean \u0111\u1ecdc c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y th\u00f4ng qua giao di\u1ec7n d\u00f2ng l\u1ec7nh nh\u01b0:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>hi\u1ec3n th\u1ecb chi ti\u1ebft b\u1ed9 thu ph\u00e1t giao di\u1ec7n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c gi\u00e1m s\u00e1t EEPROM v\u00e0 <strong>d\u1eef li\u1ec7u telemetry DOM\/DDM<\/strong> gi\u00fap k\u1ef9 s\u01b0 x\u00e1c minh t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a module v\u00e0 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 quang h\u1ecdc ti\u1ec1m \u1ea9n tr\u01b0\u1edbc khi x\u1ea3y ra l\u1ed7i li\u00ean k\u1ebft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t khi s\u1eed d\u1ee5ng SFP c\u1ee7a b\u00ean th\u1ee9 ba<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t uy t\u00edn v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c, c\u00e1c b\u1ed9 quang t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady c\u00f9ng kho\u1ea3n ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e1ng k\u1ec3. \u0110\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro tri\u1ec3n khai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>mua c\u00e1c b\u1ed9 quang t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p cung c\u1ea5p <strong>ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u00e0 h\u1ed7 tr\u1ee3 firmware<\/strong><\/p><\/li>\n\n\n\n<li><p>x\u00e1c minh c\u00e1c module v\u1edbi <strong>c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u01b0\u01a1ng th\u00edch n\u1ec1n t\u1ea3ng<\/strong><\/p><\/li>\n\n\n\n<li><p>duy tr\u00ec t\u00e0i li\u1ec7u r\u00f5 r\u00e0ng v\u1ec1 c\u00e1c b\u1ed9 quang \u0111\u00e3 l\u1eafp \u0111\u1eb7t trong kho t\u00e0i nguy\u00ean m\u1ea1ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c tri\u1ec3n khai s\u1ed1 l\u01b0\u1ee3ng l\u1edbn b\u1ed9 thu ph\u00e1t, vi\u1ec7c truy c\u1eadp ma tr\u1eadn t\u01b0\u01a1ng th\u00edch switch c\u00f3 th\u1ec3 t\u1ea3i xu\u1ed1ng s\u1ebd gi\u00fap t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh mua h\u00e0ng v\u00e0 tr\u00e1nh c\u00e1c s\u1ef1 c\u1ed1 l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd36 Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 &amp; th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t: Ho\u00e1n \u0111\u1ed5i n\u00f3ng, gi\u00e1 tr\u1ecb DOM\/DDM, l\u1ed7i LOS v\u00e0 l\u00e0m s\u1ea1ch c\u00e1p quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 <strong>SFP c\u1ee7a b\u00ean th\u1ee9 ba<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng ho\u00e1n \u0111\u1ed5i n\u00f3ng, nh\u01b0ng c\u00e1c li\u00ean k\u1ebft quang v\u1eabn c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 nh\u01b0 M\u1ea5t t\u00edn hi\u1ec7u (LOS), suy hao quang cao ho\u1eb7c l\u1ed7i nh\u1eadn di\u1ec7n b\u1ed9 thu ph\u00e1t. Vi\u1ec7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 hi\u1ec7u qu\u1ea3 \u0111\u00f2i h\u1ecfi ki\u1ec3m tra tr\u1ea1ng th\u00e1i b\u1ed9 thu ph\u00e1t, ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1, t\u00ecnh tr\u1ea1ng c\u00e1p quang v\u00e0 c\u1ea5u h\u00ecnh giao di\u1ec7n switch.<\/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\/c6a609c525904249ad804565c3e98f0e.jpg\" alt=\"Troubleshooting &amp; Best Practices: Hot-Swap, DOM\/DDM Readings, LOS Faults, And Fiber Cleaning\" class=\"wp-image-3132\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c6a609c525904249ad804565c3e98f0e.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c6a609c525904249ad804565c3e98f0e-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c6a609c525904249ad804565c3e98f0e-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c6a609c525904249ad804565c3e98f0e-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c6a609c525904249ad804565c3e98f0e-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t v\u00e0 c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra t\u1eebng ph\u1ea7n sau \u0111\u00e2y th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n nhanh c\u00e1c s\u1ef1 c\u1ed1 li\u00ean k\u1ebft SFP.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1ee7 t\u1ee5c ho\u00e1n \u0111\u1ed5i n\u00f3ng an to\u00e0n cho c\u00e1c module SFP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng l\u1ee3i th\u1ebf l\u1edbn c\u1ee7a <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">b\u1ed9 quang SFP<\/a> l\u00e0 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i n\u00f3ng, \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong \u0111\u1eb7c t\u1ea3 Th\u1ecfa thu\u1eadn ngu\u1ed3n \u0111a SFP (SFP Multi-Source Agreement). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c module c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o ho\u1eb7c th\u00e1o ra trong khi switch v\u1eabn \u0111ang \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t khi ho\u00e1n \u0111\u1ed5i n\u00f3ng:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p><strong>Tr\u01b0\u1edbc ti\u00ean x\u00e1c minh tr\u1ea1ng th\u00e1i c\u1ed5ng<\/strong><br>Ki\u1ec3m tra xem giao di\u1ec7n c\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng hay kh\u00f4ng tr\u01b0\u1edbc khi th\u00e1o module.<\/p><\/li>\n\n\n\n<li><p><strong>V\u00f4 hi\u1ec7u h\u00f3a giao di\u1ec7n n\u1ebfu c\u1ea7n thi\u1ebft<\/strong><br>M\u1ed9t s\u1ed1 qu\u1ea3n tr\u1ecb vi\u00ean th\u00edch v\u00f4 hi\u1ec7u h\u00f3a c\u1ed5ng \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea5p nh\u00e1y t\u1ea1m th\u1eddi c\u1ee7a li\u00ean k\u1ebft.<\/p><\/li>\n\n\n\n<li><p><strong>S\u1eed d\u1ee5ng ch\u1ed1t kh\u00f3a b\u1ed9 thu ph\u00e1t \u0111\u00fang c\u00e1ch<\/strong><br>K\u00e9o ch\u1ed1t kh\u00f3a ho\u1eb7c n\u00fat th\u1ea3 tr\u01b0\u1edbc khi th\u00e1o m\u00f4-\u0111un.<\/p><\/li>\n\n\n\n<li><p><strong>\u0110\u1ea9y m\u00f4-\u0111un m\u1edbi v\u00e0o ch\u1eafc ch\u1eafn<\/strong><br>\u0110\u1ea3m b\u1ea3o m\u00f4-\u0111un \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1ea7y \u0111\u1ee7 v\u00e0o khung k\u1eb9p.<\/p><\/li>\n\n\n\n<li><p><strong>K\u1ebft n\u1ed1i l\u1ea1i c\u00e1p s\u1ee3i quang m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn<\/strong><br>Tr\u00e1nh u\u1ed1n cong s\u1ee3i quang v\u01b0\u1ee3t qu\u00e1 b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u c\u1ee7a n\u00f3.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c thay th\u1ebf n\u00f3ng (hot-swapping) th\u01b0\u1eddng ch\u1ec9 m\u1ea5t v\u00e0i gi\u00e2y, cho ph\u00e9p b\u1ea3o tr\u00ec m\u1ea1ng m\u00e0 kh\u00f4ng g\u00e2y gi\u00e1n \u0111o\u1ea1n h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng gi\u00e1m s\u00e1t DOM\/DDM \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n c\u00e1c li\u00ean k\u1ebft quang h\u1ecdc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c m\u00f4-\u0111un SFP v\u00e0 SFP+ hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u h\u1ed7 tr\u1ee3 <strong>Gi\u00e1m s\u00e1t quang h\u1ecdc k\u1ef9 thu\u1eadt s\u1ed1 (DOM)<\/strong> or <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/troubleshoot-optical-transceivers-digital-diagnostic-monitoring\/\"><strong>Gi\u00e1m s\u00e1t ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1<\/strong><\/a><strong> (DDM)<\/strong> nh\u01b0 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong \u0111\u1eb7c t\u1ea3 <strong>Long-distance fiber links<\/strong> .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DOM cung c\u1ea5p d\u1eef li\u1ec7u \u0111o l\u01b0\u1eddng th\u1eddi gian th\u1ef1c gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c s\u1ef1 c\u1ed1 quang h\u1ecdc tr\u01b0\u1edbc khi x\u1ea3y ra l\u1ed7i li\u00ean k\u1ebft.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Tham s\u1ed1<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4 t\u1ea3<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Nhi\u1ec7t \u0111\u1ed9<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nhi\u1ec7t \u0111\u1ed9 n\u1ed9i b\u1ed9 c\u1ee7a m\u00f4-\u0111un<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e1t hi\u1ec7n t\u00ecnh tr\u1ea1ng qu\u00e1 nhi\u1ec7t<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110i\u1ec7n \u00e1p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110i\u1ec7n \u00e1p cung c\u1ea5p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>X\u00e1c \u0111\u1ecbnh c\u00e1c b\u1ea5t th\u01b0\u1eddng v\u1ec1 c\u00f4ng su\u1ea5t<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>C\u00f4ng su\u1ea5t ph\u00e1t (Tx Power)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00f4ng su\u1ea5t quang ph\u00e1t<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ki\u1ec3m tra hi\u1ec7u su\u1ea5t laser<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>C\u00f4ng su\u1ea5t thu (Rx Power)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00f4ng su\u1ea5t quang thu<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e1t hi\u1ec7n suy hao ho\u1eb7c \u0111\u1ea7u n\u1ed1i b\u1ea9n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>D\u00f2ng ph\u00e2n c\u1ef1c (Bias Current)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u00f2ng ph\u00e2n c\u1ef1c laser<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gi\u00e1m s\u00e1t qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a laser<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V\u00ed d\u1ee5 v\u1ec1 l\u1ec7nh (th\u00f4ng d\u1ee5ng tr\u00ean nhi\u1ec1u switch):<br><\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>hi\u1ec3n th\u1ecb chi ti\u1ebft b\u1ed9 thu ph\u00e1t giao di\u1ec7n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">or<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show interfaces diagnostics optics<br><\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c l\u1ec7nh n\u00e0y hi\u1ec3n th\u1ecb c\u00e1c gi\u00e1 tr\u1ecb quang h\u1ecdc theo th\u1eddi gian th\u1ef1c, gi\u00fap x\u00e1c \u0111\u1ecbnh v\u1ea5n \u0111\u1ec1 c\u00f3 ph\u1ea3i do suy hao quang, h\u01b0 h\u1ecfng c\u00e1p s\u1ee3i quang hay module b\u1ecb l\u1ed7i hay kh\u00f4ng.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hi\u1ec3u v\u1ec1 l\u1ed7i LOS (M\u1ea5t t\u00edn hi\u1ec7u)<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>M\u1ea5t t\u00edn hi\u1ec7u (LOS)<br><\/strong> b\u00e1o \u0111\u1ed9ng cho bi\u1ebft b\u1ed9 thu kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u1ee7 c\u00f4ng su\u1ea5t quang t\u1eeb b\u1ed9 ph\u00e1t xa.<br>.<\/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>c\u00e1p s\u1ee3i quang b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i<br><\/p><\/li>\n\n\n\n<li><p>lo\u1ea1i s\u1ee3i quang kh\u00f4ng \u0111\u00fang (l\u1ed7i t\u01b0\u01a1ng th\u00edch gi\u1eefa MMF v\u00e0 SMF)<br><\/p><\/li>\n\n\n\n<li><p>kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a module<br><\/p><\/li>\n\n\n\n<li><p>\u0111\u1ea7u n\u1ed1i b\u1ea9n ho\u1eb7c b\u1ecb h\u01b0 h\u1ea1i<br><\/p><\/li>\n\n\n\n<li><p>module quang kh\u00f4ng t\u01b0\u01a1ng th\u00edch<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u01b0\u1edbc kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u0111i\u1ec3n h\u00ecnh:<br><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p><strong>Ki\u1ec3m tra c\u1ef1c t\u00ednh s\u1ee3i quang (Tx \u2194 Rx)<br><\/strong><br><br>\u0110\u1ea3m b\u1ea3o s\u1ee3i truy\u1ec1n v\u00e0 s\u1ee3i nh\u1eadn kh\u00f4ng b\u1ecb \u0111\u1ea3o ng\u01b0\u1ee3c.<br>.<\/p><\/li>\n\n\n\n<li><p><strong>Ki\u1ec3m tra \u0111\u1ed9 s\u1ea1ch c\u1ee7a \u0111\u1ea7u n\u1ed1i<br><\/strong><br><br>B\u1ee5i ho\u1eb7c t\u1ea1p ch\u1ea5t l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y suy hao quang.<br>.<\/p><\/li>\n\n\n\n<li><p><strong>X\u00e1c minh t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a module<br><\/strong><br><br>\u0110\u1ea3m b\u1ea3o c\u1ea3 hai \u0111\u1ea7u s\u1eed d\u1ee5ng module quang ph\u00f9 h\u1ee3p (v\u00ed d\u1ee5: SR \u2194 SR ho\u1eb7c LR \u2194 LR).<br>.<\/p><\/li>\n\n\n\n<li><p><strong>\u0110o c\u00f4ng su\u1ea5t quang nh\u1eadn \u0111\u01b0\u1ee3c<\/strong><br><br>So s\u00e1nh gi\u00e1 tr\u1ecb Rx t\u1eeb DOM v\u1edbi th\u00f4ng s\u1ed1 \u0111\u1ed9 nh\u1ea1y c\u1ee7a module.<br>.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu c\u00f4ng su\u1ea5t quang Rx th\u1ea5p h\u01a1n ng\u01b0\u1ee1ng t\u1ed1i thi\u1ec3u, switch th\u01b0\u1eddng s\u1ebd k\u00edch ho\u1ea1t b\u00e1o \u0111\u1ed9ng LOS.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3i th\u00edch c\u00e1c ch\u1ec9 b\u00e1o LED SFP ph\u1ed5 bi\u1ebfn<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u switch c\u00f3 \u0111\u00e8n LED tr\u1ea1ng th\u00e1i g\u1ea7n c\u1ed5ng SFP \u0111\u1ec3 hi\u1ec3n th\u1ecb t\u00ecnh tr\u1ea1ng k\u1ebft n\u1ed1i.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00dd ngh\u0129a \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<br><\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Tr\u1ea1ng th\u00e1i LED<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u00dd ngh\u0129a<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u00e0u xanh l\u00e1 c\u1ed1 \u0111\u1ecbnh<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i \u0111ang ho\u1ea1t \u0111\u1ed9ng<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u00e0u xanh l\u00e1 nh\u1ea5p nh\u00e1y<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ho\u1ea1t \u0111\u1ed9ng d\u1eef li\u1ec7u<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u00e0u h\u1ed5 ph\u00e1ch \/ cam<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u1ed7i k\u1ebft n\u1ed1i ho\u1eb7c sai l\u1ec7ch t\u1ed1c \u0111\u1ed9<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u1eaft<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c li\u00ean k\u1ebft<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e0nh vi LED ch\u00ednh x\u00e1c thay \u0111\u1ed5i t\u00f9y theo nh\u00e0 s\u1ea3n xu\u1ea5t, do \u0111\u00f3 k\u1ef9 s\u01b0 lu\u00f4n c\u1ea7n tham kh\u1ea3o<br> <strong>s\u1ed5 tay ph\u1ea7n c\u1ee9ng thi\u1ebft b\u1ecb<br><\/strong> \u0111\u1ec3 bi\u1ebft \u0111\u1ecbnh ngh\u0129a chi ti\u1ebft.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quy tr\u00ecnh l\u00e0m s\u1ea1ch s\u1ee3i quang t\u1ed1t nh\u1ea5t<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1ea7u n\u1ed1i quang r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c h\u1ea1t b\u1ee5i vi m\u00f4, c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m \u0111\u00e1ng k\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nghi\u00ean c\u1ee9u trong ng\u00e0nh cho th\u1ea5y \u0111\u1ea7u n\u1ed1i s\u1ee3i quang b\u1ecb nhi\u1ec5m b\u1ea9n l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y l\u1ed7i li\u00ean k\u1ebft quang.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh l\u00e0m s\u1ea1ch \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb:<br><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p><strong>Ki\u1ec3m tra \u0111\u1ea7u n\u1ed1i b\u1eb1ng k\u00ednh hi\u1ec3n vi s\u1ee3i quang n\u1ebfu c\u00f3 s\u1eb5n<br><\/strong><\/p><\/li>\n\n\n\n<li><p><strong>S\u1eed d\u1ee5ng kh\u0103n lau kh\u00f4ng x\u01a1 ho\u1eb7c d\u1ee5ng c\u1ee5 l\u00e0m s\u1ea1ch s\u1ee3i quang chuy\u00ean d\u1ee5ng<br><\/strong><\/p><\/li>\n\n\n\n<li><p><strong>L\u00e0m s\u1ea1ch \u0111\u1ea7u n\u1ed1i tr\u01b0\u1edbc m\u1ed7i l\u1ea7n c\u1eafm l\u1ea1i<br><\/strong><\/p><\/li>\n\n\n\n<li><p><strong>Tr\u00e1nh ch\u1ea1m v\u00e0o m\u1eb7t cu\u1ed1i c\u1ee7a ferrule<br><\/strong><\/p><\/li>\n\n\n\n<li><p><strong>S\u1eed d\u1ee5ng n\u1eafp \u0111\u1eady ch\u1ed1ng b\u1ee5i khi c\u00e1p kh\u00f4ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i<br><\/strong><\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u00e0m s\u1ea1ch s\u1ee3i quang \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/attenuation-in-optical-transceiver-management-and-solutions\/\">suy hao t\u00edn hi\u1ec7u<br><\/a>, cao <a target=\"_self\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/understanding-what-is-bit-error-rate\/\">t\u1ef7 l\u1ec7 l\u1ed7i bit<br><\/a>, v\u00e0 c\u00e1c s\u1ef1 c\u1ed1 m\u1ea5t k\u1ebft n\u1ed1i ng\u1eaft qu\u00e3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra nhanh SFP (Small Form-Factor Pluggable)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ch\u1ea9n \u0111o\u00e1n nhanh, k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 l\u00e0m theo danh s\u00e1ch ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n sau:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>X\u00e1c minh <strong>\u0111\u00fang <\/strong><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-types-overview-optical-copper-direct-attach-modules\/\" target=\"_blank\" rel=\"\"><strong>lo\u1ea1i m\u00f4-\u0111un SFP<\/strong><\/a> \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t.<\/p><\/li>\n\n\n\n<li><p>Ki\u1ec3m tra <strong>c\u1ef1c t\u00ednh s\u1ee3i quang v\u00e0 k\u1ebft n\u1ed1i c\u00e1p<\/strong>.<\/p><\/li>\n\n\n\n<li><p>Ki\u1ec3m tra v\u00e0 l\u00e0m s\u1ea1ch <strong>c\u00e1p quang<\/strong>.<\/p><\/li>\n\n\n\n<li><p>Xem l\u1ea1i <strong>m\u1ee9c c\u00f4ng su\u1ea5t quang DOM\/DDM<\/strong>.<\/p><\/li>\n\n\n\n<li><p>X\u00e1c nh\u1eadn <strong>kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi switch v\u00e0 h\u1ed7 tr\u1ee3 firmware<\/strong>.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tu\u00e2n theo c\u00e1c b\u01b0\u1edbc n\u00e0y gi\u00fap gi\u1ea3i quy\u1ebft h\u1ea7u h\u1ebft c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn SFP m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf ph\u1ea7n c\u1ee9ng m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd36 C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 b\u1ed9 thu ph\u00e1t SFP (Small Form-Factor Pluggable)<\/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\/cb7630913d4640ea805e56517a953f90.jpg\" alt=\"FAQs About SFP Small Form-Factor Pluggable Transceivers\" class=\"wp-image-3133\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb7630913d4640ea805e56517a953f90.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb7630913d4640ea805e56517a953f90-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb7630913d4640ea805e56517a953f90-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb7630913d4640ea805e56517a953f90-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/cb7630913d4640ea805e56517a953f90-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ed9 thu ph\u00e1t Small Form-Factor Pluggable (SFP) th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>B\u1ed9 thu ph\u00e1t SFP<\/strong> k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng\u2014nh\u01b0 switch, router v\u00e0 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef\u2014v\u1edbi c\u00e1p quang ho\u1eb7c c\u00e1p \u0111\u1ed3ng. N\u00f3 chuy\u1ec3n \u0111\u1ed5i <strong>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 c\u00e1p quang<\/strong>, v\u00e0 chuy\u1ec3n \u0111\u1ed5i ng\u01b0\u1ee3c l\u1ea1i t\u00edn hi\u1ec7u quang nh\u1eadn \u0111\u01b0\u1ee3c th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u1ec3 x\u1eed l\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RJ45 Copper SFP <strong>c\u00f3 th\u1ec3 c\u1eafm n\u00f3ng v\u00e0 ti\u00eau chu\u1ea9n h\u00f3a<\/strong>, cho ph\u00e9p qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng n\u00e2ng c\u1ea5p t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i, thay \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn ho\u1eb7c thay th\u1ebf module quang b\u1ecb l\u1ed7i m\u00e0 kh\u00f4ng c\u1ea7n thay to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb m\u1ea1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ed5ng SFP c\u00f3 ch\u1ee9c n\u0103ng g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>C\u1ed5ng SFP<\/strong> cung c\u1ea5p giao di\u1ec7n m\u00f4-\u0111un ch\u1ea5p nh\u1eadn c\u00e1c b\u1ed9 thu ph\u00e1t SFP c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau. Thi\u1ebft k\u1ebf n\u00e0y cho ph\u00e9p thi\u1ebft b\u1ecb m\u1ea1ng h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i k\u1ebft n\u1ed1i, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>k\u1ebft n\u1ed1i s\u1ee3i quang \u0111a mode cho truy\u1ec1n th\u00f4ng kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/li>\n\n\n\n<li><p>k\u1ebft n\u1ed1i s\u1ee3i quang \u0111\u01a1n mode cho truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa<\/p><\/li>\n\n\n\n<li><p>k\u1ebft n\u1ed1i Ethernet \u0111\u1ed3ng s\u1eed d\u1ee5ng module SFP RJ45<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf m\u00f4-\u0111un c\u1ea3i thi\u1ec7n <strong>t\u00ednh linh ho\u1ea1t, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 kh\u1ea3 n\u0103ng n\u00e2ng c\u1ea5p c\u1ee7a m\u1ea1ng<\/strong> so v\u1edbi c\u00e1c giao di\u1ec7n m\u1ea1ng c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SFP c\u00f3 nhanh h\u01a1n RJ45 kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3n th\u00e2n SFP kh\u00f4ng t\u1ef1 nhi\u00ean nhanh h\u01a1n RJ45, v\u00ec <strong>t\u1ed1c \u0111\u1ed9 ph\u1ee5 thu\u1ed9c v\u00e0o chu\u1ea9n Ethernet \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\" target=\"_self\"><strong>SFP 1G<\/strong><\/a><strong> (1000BASE-SX\/LX)<\/strong> ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ee9c <strong>1 Gbps<\/strong>, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 <strong>1GBASE-T RJ45<\/strong>.<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\" target=\"_self\"><strong>m\u00f4-\u0111un SFP+<\/strong><\/a> h\u1ed7 tr\u1ee3 <strong>10 Gbps<\/strong>, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi <strong>10GBASE-T RJ45<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, c\u00e1c k\u1ebft n\u1ed1i d\u1ef1a tr\u00ean SFP\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 <strong>SFP+ v\u1edbi c\u00e1p quang ho\u1eb7c c\u00e1p DAC<\/strong>\u2014th\u01b0\u1eddng mang l\u1ea1i \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n v\u00e0 ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c giao di\u1ec7n \u0111\u1ed3ng 10GBASE-T.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ea7u n\u1ed1i SFP s\u1eed d\u1ee5ng lo\u1ea1i \u0111\u1ea7u n\u1ed1i UPC hay APC?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft Ethernet <strong>C\u00e1c m\u00f4-\u0111un quang SFP s\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i LC v\u1edbi \u0111\u1ed9 b\u00f3ng UPC (Ultra Physical Contact)<\/strong>. C\u00e1c \u0111\u1ea7u n\u1ed1i UPC cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1ed5n hao ph\u1ea3n x\u1ea1 \u0111\u1ee7 cho c\u00e1c \u1ee9ng d\u1ee5ng Ethernet v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u \u0111i\u1ec3n h\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c \u0111\u1ea7u n\u1ed1i APC (Angled Physical Contact)<\/strong>, s\u1eed d\u1ee5ng m\u1eb7t cu\u1ed1i nghi\u00eang 8 \u0111\u1ed9, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn h\u01a1n trong <strong>m\u1ea1ng quang th\u1ee5 \u0111\u1ed9ng (PON), c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng FTTH v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng quang nh\u1ea1y c\u1ea3m v\u1edbi ph\u1ea3n x\u1ea1 cao<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c module SFP Ethernet ti\u00eau chu\u1ea9n, <strong>\u0111\u1ea7u n\u1ed1i LC-UPC l\u00e0 m\u1eb7c \u0111\u1ecbnh c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i module SFP ch\u00ednh l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c d\u1ea1ng h\u00ecnh th\u1ee9c b\u1ed9 thu ph\u00e1t li\u00ean quan \u0111\u1ebfn SFP ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP<\/strong> \u2013 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho <strong>k\u1ebft n\u1ed1i Ethernet 1 Gigabit<\/strong> k\u1ebft n\u1ed1i<\/p><\/li>\n\n\n\n<li><p><strong>SFP+<\/strong> \u2013 h\u1ed7 tr\u1ee3 <strong>Ethernet 10 Gigabit<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>SFP28<\/strong> \u2013 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho <strong>Ethernet 25 Gigabit<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>h\u1ecd QSFP (QSFP+, QSFP28)<\/strong> \u2013 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho <strong>m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao 40G, 100G v\u00e0 cao h\u01a1n<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module n\u00e0y tu\u00e2n theo c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt do \u1ee6y ban Y\u1ebfu t\u1ed1 H\u00ecnh d\u1ea1ng Nh\u1ecf (Small Form Factor Committee) v\u00e0 Nh\u00f3m Th\u1ecfa thu\u1eadn \u0110a Ngu\u1ed3n SFP (SFP Multi-Source Agreement \u2013 MSA) quy \u0111\u1ecbnh, nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c module SFP c\u1ee7a b\u00ean th\u1ee9 ba c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u1edbi thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch Cisco ho\u1eb7c c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3. Nhi\u1ec1u <strong>module SFP c\u1ee7a b\u00ean th\u1ee9 ba ho\u1eb7c module t\u01b0\u01a1ng th\u00edch<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00f9ng c\u00e1c ti\u00eau chu\u1ea9n MSA nh\u01b0 quang h\u1ecdc OEM v\u00e0 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 Cisco Systems, Juniper Networks v\u00e0 Arista Networks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, t\u00ednh t\u01b0\u01a1ng th\u00edch ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>phi\u00ean b\u1ea3n firmware c\u1ee7a switch<\/p><\/li>\n\n\n\n<li><p>d\u1eef li\u1ec7u nh\u1eadn d\u1ea1ng EEPROM c\u1ee7a module<\/p><\/li>\n\n\n\n<li><p>c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c \u0111\u1eb7c th\u00f9 theo nh\u00e0 cung c\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 v\u1eadn h\u00e0nh \u0111\u00e1ng tin c\u1eady, qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng n\u00ean x\u00e1c minh c\u00e1c module b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <strong>ma tr\u1eadn t\u01b0\u01a1ng th\u00edch thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch do nh\u00e0 cung c\u1ea5p cung c\u1ea5p<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd36 K\u1ebft lu\u1eadn: Hi\u1ec3u r\u00f5 vai tr\u00f2 c\u1ee7a c\u00e1c b\u1ed9 thu ph\u00e1t SFP Small Form-Factor Pluggable trong m\u1ea1ng hi\u1ec7n \u0111\u1ea1i<\/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\/c9c519fc80a64ddeb526fa442113765e.jpg\" alt=\"Understanding the Role of SFP Small Form-Factor Pluggable Transceivers in Modern Networks\" class=\"wp-image-3134\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c9c519fc80a64ddeb526fa442113765e.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c9c519fc80a64ddeb526fa442113765e-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c9c519fc80a64ddeb526fa442113765e-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c9c519fc80a64ddeb526fa442113765e-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c9c519fc80a64ddeb526fa442113765e-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u1ed9 thu ph\u00e1t SFP Small Form-Factor Pluggable \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n n\u1ec1n t\u1ea3ng trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. Thi\u1ebft k\u1ebf m\u00f4-\u0111un c\u1ee7a ch\u00fang cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 m\u00e1y ch\u1ee7 h\u1ed7 tr\u1ee3 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn kh\u00e1c nhau, bao g\u1ed3m c\u00e1p s\u1ee3i quang \u0111a mode, c\u00e1p s\u1ee3i quang \u0111\u01a1n mode v\u00e0 k\u1ebft n\u1ed1i Ethernet \u0111\u1ed3ng tr\u1ee5c. B\u1eb1ng c\u00e1ch thay th\u1ebf module SFP thay v\u00ec to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb, k\u1ef9 s\u01b0 m\u1ea1ng c\u00f3 th\u1ec3 n\u00e2ng c\u1ea5p t\u1ed1c \u0111\u1ed9 li\u00ean k\u1ebft, m\u1edf r\u1ed9ng kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn ho\u1eb7c th\u00edch \u1ee9ng v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n c\u00e1p m\u1edbi m\u00e0 g\u00e2y gi\u00e1n \u0111o\u1ea1n t\u1ed1i thi\u1ec3u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u00e0y nay, c\u00e1c m\u1ea1ng doanh nghi\u1ec7p, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u00f4i tr\u01b0\u1eddng vi\u1ec5n th\u00f4ng th\u01b0\u1eddng tri\u1ec3n khai c\u00e1c lo\u1ea1i b\u1ed9 thu ph\u00e1t ti\u00eau chu\u1ea9n nh\u01b0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476862.htm\">SFP (1G)<\/a>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/491493.htm\">SFP+ (10G)<\/a>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\">SFP28 (25G)<\/a>, v\u00e0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26152-10-25-40g-100g-transceiver-modules.htm\">h\u1ecd QSFP<\/a> cho c\u00e1c \u1ee9ng d\u1ee5ng b\u0103ng th\u00f4ng cao h\u01a1n. Vi\u1ec7c l\u1ef1a ch\u1ecdn module quang ph\u00f9 h\u1ee3p th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi \u0111\u00e1nh gi\u00e1 nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m lo\u1ea1i s\u1ee3i quang (MMF so v\u1edbi SMF), c\u00e1c ti\u00eau chu\u1ea9n quang nh\u01b0 SR, LR ho\u1eb7c ER, ki\u1ec3u m\u1eb7t cu\u1ed1i \u0111\u1ea7u n\u1ed1i nh\u01b0 LC-UPC ho\u1eb7c LC-APC, v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u00edch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn v\u00e0 b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch, c\u00e1c b\u1ed9 thu ph\u00e1t SFP mang l\u1ea1i kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao \u0111\u00e1ng tin c\u1eady, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t cho c\u00e1c ki\u1ebfn tr\u00fac m\u1ea1ng \u0111ang kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c t\u1ed5 ch\u1ee9c \u0111ang l\u1eadp k\u1ebf ho\u1ea1ch n\u00e2ng c\u1ea5p m\u1ea1ng ho\u1eb7c tri\u1ec3n khai c\u00e1p quang, vi\u1ec7c xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chi ti\u1ebft v\u00e0 y\u00eau c\u1ea7u t\u01b0\u01a1ng th\u00edch l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu. C\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c b\u1ed9 thu ph\u00e1t SFP, SFP+, SFP28 v\u00e0 QSFP t\u01b0\u01a1ng th\u00edch th\u00f4ng qua <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\">C\u1eeda h\u00e0ng Ch\u00ednh th\u1ee9c LINK-PP<\/a>, t\u1ea3i xu\u1ed1ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt k\u1ef9 thu\u1eadt ho\u1eb7c li\u00ean h\u1ec7 b\u1ed9 ph\u1eadn h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n l\u1ef1a ch\u1ecdn module ph\u00f9 h\u1ee3p nh\u1ea5t cho m\u00f4i tr\u01b0\u1eddng m\u1ea1ng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<div><div widgetid=\"ca8b7315766111f0be050a37e7beaac1\" format=\"embedded\" data-widget-id=\"ca8b7315766111f0be050a37e7beaac1\" 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 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c b\u1ed9 thu ph\u00e1t SFP (Small Form-Factor Pluggable), so s\u00e1nh SFP v\u1edbi SFP+\/RJ45, l\u1ef1a ch\u1ecdn \u0111\u1ea7u n\u1ed1i UPC\/APC, c\u0169ng nh\u01b0 c\u00e1c m\u1eb9o mua s\u1eafm v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1 d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>","protected":false},"author":1,"featured_media":3127,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[14,15,16,26],"class_list":["post-3135","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-10g-sfp-transceivers","tag-link-pp-1g-sfp-modules","tag-link-pp-25g-sfp28-optical-modules","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3135","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=3135"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3135\/revisions"}],"predecessor-version":[{"id":10760,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3135\/revisions\/10760"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3127"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}