{"id":3054,"date":"2026-03-13T00:00:00","date_gmt":"2026-03-13T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/products\/copper-sfp-vs-fiber-sfp\/"},"modified":"2026-06-22T03:59:02","modified_gmt":"2026-06-22T03:59:02","slug":"copper-sfp-vs-fiber-sfp","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/products\/copper-sfp-vs-fiber-sfp","title":{"rendered":"SFP \u0111\u1ed3ng vs. SFP s\u1ee3i quang: Lo\u1ea1i n\u00e0o t\u1ed1t nh\u1ea5t cho hi\u1ec7u n\u0103ng m\u1ea1ng"},"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\/b29edfaca85c44f9a0701b63741c99df.jpg\" alt=\"Copper SFP vs. Fiber SFP\" class=\"wp-image-3044\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b29edfaca85c44f9a0701b63741c99df.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b29edfaca85c44f9a0701b63741c99df-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b29edfaca85c44f9a0701b63741c99df-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b29edfaca85c44f9a0701b63741c99df-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b29edfaca85c44f9a0701b63741c99df-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao hi\u1ec7n nay, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">m\u00f4-\u0111un SFP<\/a> l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u. <strong>SFP \u0111\u1ed3ng vs. SFP quang<\/strong> v\u1eabn l\u00e0 ch\u1ee7 \u0111\u1ec1 tranh lu\u1eadn ph\u1ed5 bi\u1ebfn gi\u1eefa c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng, chuy\u00ean gia CNTT v\u00e0 qu\u1ea3n l\u00fd trung t\u00e2m d\u1eef li\u1ec7u. M\u1ed7i <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-types-overview-optical-copper-direct-attach-modules\/\">lo\u1ea1i m\u00f4-\u0111un SFP<\/a> mang l\u1ea1i nh\u1eefng l\u1ee3i th\u1ebf ri\u00eang v\u1ec1 m\u1eb7t <strong>kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng v\u00e0 chi ph\u00ed tri\u1ec3n khai<\/strong>, khi\u1ebfn quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a m\u1ea1ng b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh, c\u00e1c y\u1ebfu t\u1ed1 hi\u1ec7u su\u1ea5t v\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng tri\u1ec3n khai cho m\u00f4-\u0111un SFP \u0111\u1ed3ng v\u00e0 SFP s\u1ee3i quang, gi\u00fap b\u1ea1n \u0111\u01b0a ra l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t cho c\u00e1c m\u1ea1ng 10GBASE-T, c\u00e1c thi\u1ebft l\u1eadp PoE v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng trung t\u00e2m d\u1eef li\u1ec7u. B\u1eb1ng c\u00e1ch \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/are-sfp-modules-hot-swappable-safe-sfp-hot-swap-guide\/\">m\u00f4-\u0111un SFP c\u00f3 kh\u1ea3 n\u0103ng thay n\u00f3ng<\/a> , kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c switch Cisco v\u00e0 Juniper, c\u0169ng nh\u01b0 c\u00e1c c\u00e2n nh\u1eafc v\u1ec1 truy\u1ec1n d\u1eabn s\u1ee3i quang kho\u1ea3ng c\u00e1ch xa, t\u1eeb \u0111\u00f3 l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udea9\u00a0Hi\u1ec3u r\u00f5 SFP \u0111\u1ed3ng so v\u1edbi SFP s\u1ee3i quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang m\u00f4-\u0111un SFP l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady, t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed cho m\u1ea1ng. C\u1ea3 hai lo\u1ea1i <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476770.htm\">SFP \u0111\u1ed3ng<\/a> and <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">c\u00e1c module SFP quang<\/a> \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng doanh nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng vi\u1ec5n th\u00f4ng, nh\u01b0ng ch\u00fang kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 thi\u1ebft k\u1ebf, hi\u1ec7u su\u1ea5t v\u00e0 t\u00ecnh hu\u1ed1ng tri\u1ec3n khai. Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t m\u1ea1ng l\u01b0\u1edbi m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u su\u1ea5t cao.<\/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\/c88b6434689146ba83f8953926c2173f.jpg\" alt=\"Understanding Copper SFP vs. Fiber SFP\" class=\"wp-image-3045\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c88b6434689146ba83f8953926c2173f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c88b6434689146ba83f8953926c2173f-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c88b6434689146ba83f8953926c2173f-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c88b6434689146ba83f8953926c2173f-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c88b6434689146ba83f8953926c2173f-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u00f4-\u0111un SFP \u0111\u1ed3ng l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476812.htm\">m\u00f4-\u0111un 10Gbps Copper SFP<\/a> l\u00e0 b\u1ed9 thu ph\u00e1t c\u00f3 kh\u1ea3 n\u0103ng thay n\u00f3ng, k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng b\u1eb1ng c\u00e1p Ethernet \u0111\u1ed3ng ti\u00eau chu\u1ea9n, ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>Cat5e, Cat6 ho\u1eb7c Cat6a<\/strong>. C\u00e1c m\u00f4-\u0111un n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng cho <strong>k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch ng\u1eafn<\/strong>, th\u01b0\u1eddng l\u00ean \u0111\u1ebfn 100 m\u00e9t \u0111\u1ed1i v\u1edbi m\u1ea1ng 1GBASE-T v\u00e0 t\u1ed1i \u0111a 30 m\u00e9t \u0111\u1ed1i v\u1edbi m\u1ea1ng 10GBASE-T.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00ednh n\u0103ng n\u1ed5i b\u1eadt c\u1ee7a m\u00f4-\u0111un SFP \u0111\u1ed3ng 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 n\u00f3ng<\/strong>, cho ph\u00e9p thay th\u1ebf d\u1ec5 d\u00e0ng m\u00e0 kh\u00f4ng c\u1ea7n t\u1eaft ngu\u1ed3n switch ho\u1eb7c router.<\/p><\/li><li><p><strong>Tri\u1ec3n khai ti\u1ebft ki\u1ec7m chi ph\u00ed<\/strong> cho c\u00e1c k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch ng\u1eafn, tr\u00e1nh nhu c\u1ea7u s\u1eed d\u1ee5ng c\u00e1p s\u1ee3i quang.<\/p><\/li><li><p><strong>T\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c thi\u1ebft b\u1ecb PoE<\/strong> v\u00e0 c\u00e1c c\u1ed5ng Ethernet RJ45 ti\u00eau chu\u1ea9n.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \u0111\u1ed3ng \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i nh\u00e0, m\u1ea1ng v\u0103n ph\u00f2ng nh\u1ecf v\u00e0 t\u1ee7 m\u00e1y ch\u1ee7 n\u01a1i y\u00eau c\u1ea7u kho\u1ea3ng c\u00e1ch h\u1ea1n ch\u1ebf v\u00e0 c\u00e2n nh\u1eafc ng\u00e2n s\u00e1ch l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u00f4-\u0111un SFP s\u1ee3i quang l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u00f4-\u0111un SFP s\u1ee3i quang s\u1eed d\u1ee5ng s\u1ee3i quang \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u, mang l\u1ea1i kh\u1ea3 n\u0103ng ph\u1ee7 s\u00f3ng xa h\u01a1n \u0111\u00e1ng k\u1ec3 v\u00e0 \u0111\u1ed9 tin c\u1eady cao h\u01a1n so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u1ed3ng. SFP s\u1ee3i quang c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 kho\u1ea3ng c\u00e1ch t\u1eeb <strong>550 m\u00e9t \u0111\u1ebfn h\u01a1n 80 km<\/strong>, t\u00f9y thu\u1ed9c v\u00e0o vi\u1ec7c ch\u00fang l\u00e0 m\u00f4-\u0111un <strong>\u0111\u01a1n mode (SMF)<br><\/strong> or <strong>\u0111a mode (MMF)<\/strong> hay \u0111\u01a1n mode (SMF).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a m\u00f4-\u0111un SFP s\u1ee3i quang:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa<\/strong> m\u00e0 kh\u00f4ng suy hao t\u00edn hi\u1ec7u.<\/p><\/li><li><p><strong>\u0110\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 b\u0103ng th\u00f4ng cao<\/strong>, ph\u00f9 h\u1ee3p cho c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng l\u00f5i doanh nghi\u1ec7p.<\/p><\/li><li><p><strong>Kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-electromagnetic-interference\/\"><strong>nhi\u1ec5u \u0111i\u1ec7n t\u1eeb<\/strong><\/a><strong> (EMI)<\/strong>, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c tri\u1ec3n khai c\u00f4ng nghi\u1ec7p v\u00e0 khu\u00f4n vi\u00ean.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFP s\u1ee3i quang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng khu\u00f4n vi\u00ean v\u00e0 c\u00e1c c\u1ea5u h\u00ecnh doanh nghi\u1ec7p \u0111a t\u00f2a nh\u00e0, n\u01a1i y\u00eau c\u1ea7u k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >So s\u00e1nh ch\u00ednh gi\u1eefa SFP \u0111\u1ed3ng v\u00e0 SFP s\u1ee3i quang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u00e1nh gi\u00e1 SFP \u0111\u1ed3ng so v\u1edbi SFP s\u1ee3i quang, h\u00e3y xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh sau:<\/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>Comparison Factor<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>SFP \u0111\u1ed3ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ng\u1eafn (t\u1ed1i \u0111a 100 m \u0111\u1ed1i v\u1edbi 1G, 30 m \u0111\u1ed1i v\u1edbi 10G)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u00e0i (t\u1ed1i \u0111a 80 km t\u00f9y theo lo\u1ea1i)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>B\u0103ng th\u00f4ng \/ T\u1ed1c \u0111\u1ed9<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 10G (10GBASE-T)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 100G+ v\u1edbi c\u00e1c m\u00f4-\u0111un SFP+ v\u00e0 SFP28 hi\u1ec7n \u0111\u1ea1i<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cost<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p h\u01a1n, chi ph\u00ed c\u00e1p r\u1ebb h\u01a1n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n, \u0111\u00f2i h\u1ecfi c\u00e1p s\u1ee3i quang v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ti\u00eau Th\u1ee5 N\u0103ng L\u01b0\u1ee3ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c m\u00f4-\u0111un 10GBASE-T<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p h\u01a1n, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p khi l\u1eafp \u0111\u1eb7t<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u1eafm v\u00e0 ch\u1ea1y d\u1ec5 d\u00e0ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Y\u00eau c\u1ea7u x\u1eed l\u00fd v\u00e0 l\u00e0m s\u1ea1ch s\u1ee3i quang c\u1ea9n th\u1eadn<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>T\u01b0\u01a1ng th\u00edch<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c c\u1ed5ng Ethernet RJ45 ti\u00eau chu\u1ea9n, h\u1ed7 tr\u1ee3 PoE<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Y\u00eau c\u1ea7u khe c\u1eafm SFP v\u00e0 \u0111\u00f4i khi c\u1ea7n h\u1ed7 tr\u1ee3 \u0111\u1eb7c th\u00f9 theo nh\u00e0 s\u1ea3n xu\u1ea5t<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng \u0111i\u1ec3m so s\u00e1nh then ch\u1ed1t n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng, qu\u1ea3n l\u00fd CNTT v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh trung t\u00e2m d\u1eef li\u1ec7u l\u1ef1a ch\u1ecdn \u0111\u00fang m\u00f4-\u0111un ph\u00f9 h\u1ee3p v\u1edbi t\u00f4-p\u00f4 m\u1ea1ng, ng\u00e2n s\u00e1ch v\u00e0 y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udea9\u00a0So s\u00e1nh hi\u1ec7u su\u1ea5t: \u0110\u1ed3ng so v\u1edbi S\u1ee3i quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi l\u1ef1a ch\u1ecdn gi\u1eefa m\u00f4-\u0111un SFP \u0111\u1ed3ng v\u00e0 SFP s\u1ee3i quang, vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 hi\u1ec7u su\u1ea5t l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng. T\u1ed1c \u0111\u1ed9 m\u1ea1ng, \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng l\u1edbn b\u1edfi l\u1ef1a ch\u1ecdn m\u00f4-\u0111un c\u1ee7a b\u1ea1n, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng doanh nghi\u1ec7p v\u00e0 c\u00e1c tri\u1ec3n khai PoE.<\/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\/57acd056ee7149838bdb1584e48e0aac.jpg\" alt=\"Performance Comparison: Copper vs. Fiber\" class=\"wp-image-3046\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57acd056ee7149838bdb1584e48e0aac.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57acd056ee7149838bdb1584e48e0aac-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57acd056ee7149838bdb1584e48e0aac-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57acd056ee7149838bdb1584e48e0aac-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57acd056ee7149838bdb1584e48e0aac-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn v\u00e0 t\u1ed1c \u0111\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch ng\u1eafn, th\u01b0\u1eddng h\u1ed7 tr\u1ee3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>100 m\u00e9t<\/strong> cho k\u1ebft n\u1ed1i 1GBASE-T<\/p><\/li><li><p><strong>30 m\u00e9t<\/strong> cho c\u00e1c c\u1ea5u h\u00ecnh 10GBASE-T s\u1eed d\u1ee5ng c\u00e1p Cat6a ch\u1ea5t l\u01b0\u1ee3ng cao<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c m\u00f4-\u0111un SFP s\u1ee3i quang v\u01b0\u1ee3t tr\u1ed9i trong c\u00e1c \u1ee9ng d\u1ee5ng kho\u1ea3ng c\u00e1ch xa:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>S\u1ee3i quang \u0111a mode (MMF)<\/strong> c\u00f3 th\u1ec3 \u0111\u1ea1t kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a 550 m\u00e9t<\/p><\/li><li><p><strong>S\u1ee3i quang \u0111\u01a1n mode (SMF)<\/strong> h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i t\u1eeb 2 km \u0111\u1ebfn h\u01a1n 80 km, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i m\u00f4-\u0111un v\u00e0 ti\u00eau chu\u1ea9n m\u1ea1ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFP s\u1ee3i quang c\u00f2n cho ph\u00e9p b\u0103ng th\u00f4ng cao h\u01a1n v\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n v\u1edbi m\u1ee9c suy hao t\u00edn hi\u1ec7u th\u1ea5p h\u01a1n tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i, khi\u1ebfn ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u1ea1ng l\u00f5i v\u00e0 k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c t\u00f2a nh\u00e0. SFP \u0111\u1ed3ng v\u1eabn th\u1ef1c t\u1ebf h\u01a1n cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn n\u01a1i t\u00ednh \u0111\u01a1n gi\u1ea3n trong l\u1eafp \u0111\u1eb7t v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng v\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng th\u01b0\u1eddng b\u1ecb b\u1ecf qua l\u00e0 <strong>hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476800.htm\"><strong>SFP \u0111\u1ed3ng<\/strong><\/a>, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c m\u00f4-\u0111un 10GBASE-T, ti\u00eau th\u1ee5 nhi\u1ec1u \u0111i\u1ec7n n\u0103ng h\u01a1n (th\u01b0\u1eddng t\u1eeb 2\u20134 W m\u1ed7i m\u00f4-\u0111un) v\u00e0 sinh nhi\u1ec7t nhi\u1ec1u h\u01a1n do qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n c\u1ea7n thi\u1ebft \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u qua c\u00e1p \u0111\u1ed3ng.<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482435.htm\"><strong>Module SFP quang<\/strong><\/a> ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng h\u01a1n (th\u01b0\u1eddng d\u01b0\u1edbi 1 W cho <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475817.htm\">Module SFP+ 10G<\/a>), l\u00e0m gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 t\u1ea3i nhi\u1ec7t trong c\u00e1c gi\u00e1 \u0111\u1ee1 c\u00f4ng t\u1eafc ho\u1eb7c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t d\u00e0y \u0111\u1eb7c.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u00e0 c\u00f2n k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb m\u1ea1ng b\u1eb1ng c\u00e1ch gi\u1ea3m thi\u1ec3u hao m\u00f2n do nhi\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ed9 tr\u1ec5 v\u00e0 Hi\u1ec7u qu\u1ea3 M\u1ea1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 tr\u1ec5 l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c kh\u00e1c m\u00e0 c\u00e1c module SFP s\u1ee3i quang th\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi \u0111\u1ed3ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP \u0111\u1ed3ng<\/strong> g\u00e2y ra \u0111\u1ed9 tr\u1ec5 nh\u1ecf do x\u1eed l\u00fd t\u00edn hi\u1ec7u v\u00e0 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n\u2013\u0111i\u1ec7n.<\/p><\/li><li><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/strong> cung c\u1ea5p kh\u1ea3 n\u0103ng lan truy\u1ec1n t\u00edn hi\u1ec7u g\u1ea7n nh\u01b0 t\u1ee9c th\u1eddi, \u0111\u1eb7c bi\u1ec7t tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tr\u1ec5 \u0111\u1ea7u cu\u1ed1i th\u1ea5p h\u01a1n.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng hi\u1ec7u n\u0103ng cao nh\u01b0 n\u1ec1n t\u1ea3ng giao d\u1ecbch t\u00e0i ch\u00ednh, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-data-center\/\">trung t\u00e2m d\u1eef li\u1ec7u<br><\/a>, v\u00e0 c\u1ee5m t\u00ednh to\u00e1n AI, \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n c\u00f9ng hi\u1ec7u qu\u1ea3 m\u1ea1ng cao h\u01a1n c\u1ee7a c\u00e1c module s\u1ee3i quang mang l\u1ea1i l\u1ee3i th\u1ebf hi\u1ec7u n\u0103ng r\u00f5 r\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i, c\u00e1c module SFP \u0111\u1ed3ng n\u1ed5i b\u1eadt trong c\u00e1c tri\u1ec3n khai kho\u1ea3ng c\u00e1ch ng\u1eafn v\u00e0 nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed, cung c\u1ea5p k\u1ebft n\u1ed1i d\u1ec5 thay th\u1ebf n\u00f3ng (hot-swappable) v\u00e0 t\u00edch h\u1ee3p d\u1ec5 d\u00e0ng v\u1edbi c\u00e1c thi\u1ebft b\u1ecb PoE. Trong khi \u0111\u00f3, c\u00e1c module SFP s\u1ee3i quang v\u01b0\u1ee3t tr\u1ed9i h\u01a1n \u0111\u1ed3ng v\u1ec1 truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng khu\u00f4n vi\u00ean v\u00e0 x\u01b0\u01a1ng s\u1ed1ng doanh nghi\u1ec7p. Vi\u1ec7c l\u1ef1a ch\u1ecdn module ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 m\u1ea1ng, kho\u1ea3ng c\u00e1ch v\u00e0 \u01b0u ti\u00ean hi\u1ec7u n\u0103ng c\u1ee7a b\u1ea1n, nh\u1eb1m \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i t\u1ed1i \u01b0u v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udea9\u00a0C\u00e1c y\u1ebfu t\u1ed1 Chi ph\u00ed v\u00e0 T\u01b0\u01a1ng th\u00edch<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i hi\u1ec7u n\u0103ng, chi ph\u00ed v\u00e0 t\u00ednh t\u01b0\u01a1ng th\u00edch l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh khi l\u1ef1a ch\u1ecdn gi\u1eefa module SFP \u0111\u1ed3ng v\u00e0 module SFP s\u1ee3i quang<strong>s<\/strong>. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u1ea3 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u l\u1eabn c\u00e1c h\u1ec7 qu\u1ea3 v\u1eadn h\u00e0nh l\u00e2u d\u00e0i c\u00f3 th\u1ec3 gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian, chi ph\u00ed v\u00e0 tr\u00e1nh c\u00e1c s\u1ef1 c\u1ed1 kh\u00f3 kh\u1eafc ph\u1ee5c.<\/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\/5db07345aeae418698dffafb44bc10a7.jpg\" alt=\"Copper SFP vs. Fiber SFP: Cost and Compatibility Considerations\" class=\"wp-image-3047\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5db07345aeae418698dffafb44bc10a7.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5db07345aeae418698dffafb44bc10a7-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5db07345aeae418698dffafb44bc10a7-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5db07345aeae418698dffafb44bc10a7-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5db07345aeae418698dffafb44bc10a7-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Chi ph\u00ed Module Ban \u0111\u1ea7u so v\u1edbi Chi ph\u00ed Tri\u1ec3n khai<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>M\u00f4-\u0111un SFP \u0111\u1ed3ng<\/strong> th\u01b0\u1eddng c\u00f3 gi\u00e1 mua ban \u0111\u1ea7u th\u1ea5p h\u01a1n, v\u00e0 c\u00e1p Ethernet ti\u00eau chu\u1ea9n (Cat5e, Cat6, Cat6a) ph\u1ed5 bi\u1ebfn v\u00e0 r\u1ebb. \u0110i\u1ec1u n\u00e0y khi\u1ebfn \u0111\u1ed3ng tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho <strong>c\u00e1c tri\u1ec3n khai kho\u1ea3ng c\u00e1ch ng\u1eafn, v\u0103n ph\u00f2ng nh\u1ecf ho\u1eb7c ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i nh\u00e0<\/strong>.<\/p><\/li><li><p><strong>c\u00e1c module SFP quang<\/strong> \u0111\u00f2i h\u1ecfi chi ph\u00ed \u0111\u1ea7u t\u01b0 cao h\u01a1n do b\u1ed9 thu ph\u00e1t, c\u00e1p quang v\u00e0 thi\u1ebft b\u1ecb l\u1eafp \u0111\u1eb7t ti\u1ec1m \u1ea9n. Tuy nhi\u00ean, trong c\u00e1c m\u1ea1ng quy m\u00f4 l\u1edbn ho\u1eb7c li\u00ean k\u1ebft kho\u1ea3ng c\u00e1ch xa, s\u1ee3i quang c\u00f3 th\u1ec3 gi\u1ea3m chi ph\u00ed li\u00ean quan \u0111\u1ebfn <strong>b\u1ed9 l\u1eb7p t\u00edn hi\u1ec7u, b\u1ea3o tr\u00ec v\u00e0 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng<\/strong> theo th\u1eddi gian.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c c\u00e2n nh\u1eafc c\u1ea3 chi ph\u00ed module v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c l\u1eadp ng\u00e2n s\u00e1ch m\u1ea1ng doanh nghi\u1ec7p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00f4ng t\u1eafc v\u00e0 t\u00ecnh tr\u1ea1ng ph\u1ee5 thu\u1ed9c nh\u00e0 cung c\u1ea5p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh t\u01b0\u01a1ng th\u00edch l\u00e0 m\u1ed1i quan t\u00e2m th\u01b0\u1eddng g\u1eb7p c\u1ee7a k\u1ef9 s\u01b0 m\u1ea1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP \u0111\u1ed3ng<\/strong> th\u01b0\u1eddng t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ea5t k\u1ef3 c\u1ed5ng RJ45 n\u00e0o h\u1ed7 tr\u1ee3 chu\u1ea9n 1G ho\u1eb7c 10GBASE-T. Ch\u00fang c\u0169ng<strong> Cat5e\/Cat6 Ethernet<\/strong>, gi\u00fap gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec.<\/p><\/li><li><p><strong>Module SFP quang<\/strong> c\u00f3 th\u1ec3 y\u00eau c\u1ea7u lo\u1ea1i khe SFP c\u1ee5 th\u1ec3, chu\u1ea9n module (SFP, SFP+, SFP28) ho\u1eb7c th\u1eadm ch\u00ed c\u00e1c b\u1ed9 quang h\u1ecdc \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p ph\u00ea duy\u1ec7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. M\u1ed9t s\u1ed1 c\u00f4ng t\u1eafc t\u1eeb <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477525.htm\">Cisco<\/a>, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477532.htm\">Juniper<br><\/a>, or <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477529.htm\">Arista<\/a> c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i c\u00e1c module s\u1ee3i quang c\u1ee7a b\u00ean th\u1ee9 ba, d\u1eabn \u0111\u1ebfn nguy c\u01a1 ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 cung c\u1ea5p.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi tri\u1ec3n khai, h\u00e3y lu\u00f4n x\u00e1c minh r\u1eb1ng module SFP \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi m\u00f4 h\u00ecnh c\u00f4ng t\u1eafc c\u1ee7a b\u1ea1n \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch v\u00e0 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 H\u1ed7 tr\u1ee3 PoE<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-you-need-to-know-about-power-over-ethernet\/\">Cung c\u1ea5p \u0111i\u1ec7n qua Ethernet <\/a>(PoE) c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn module:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP \u0111\u1ed3ng<\/strong> h\u1ed7 tr\u1ee3 c\u1ea5p ngu\u1ed3n PoE tr\u1ef1c ti\u1ebfp qua c\u00e1p Ethernet, \u0111i\u1ec1u n\u00e0y r\u1ea5t ti\u1ec7n l\u1ee3i cho c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/ip-internet-protocol-cameras-overview\/\">Camera IP<\/a>, \u0111i\u1ec3m truy c\u1eadp v\u00e0 \u0111i\u1ec7n tho\u1ea1i VoIP.<\/p><\/li><li><p><strong>Module SFP quang<\/strong> kh\u00f4ng truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng, do \u0111\u00f3 c\u1ea7n th\u00eam c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng n\u1ebfu c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5 thu\u1ed9c v\u00e0o PoE. \u0110i\u1ec1u n\u00e0y khi\u1ebfn s\u1ee3i quang ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c k\u1ebft n\u1ed1i x\u01b0\u01a1ng s\u1ed1ng ho\u1eb7c gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 n\u01a1i kh\u00f4ng c\u1ea7n c\u1ea5p ngu\u1ed3n.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 chi ph\u00ed v\u00e0 t\u00ednh t\u01b0\u01a1ng th\u00edch, c\u00e1c module SFP \u0111\u1ed3ng mang l\u1ea1i chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u th\u1ea5p h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i v\u1edbi c\u00e1c c\u1ed5ng RJ45 ti\u00eau chu\u1ea9n, trong khi c\u00e1c module SFP s\u1ee3i quang \u0111\u00f2i h\u1ecfi chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n nh\u01b0ng cung c\u1ea5p kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng quy m\u00f4 l\u1edbn. T\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00f4ng t\u1eafc, y\u00eau c\u1ea7u \u0111\u1eb7c th\u00f9 c\u1ee7a nh\u00e0 cung c\u1ea5p v\u00e0 h\u1ed7 tr\u1ee3 PoE n\u00ean l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 l\u1ef1a ch\u1ecdn. \u0110\u00e1nh gi\u00e1 c\u1ea3 chi ph\u00ed tri\u1ec3n khai l\u1eabn hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh s\u1ebd \u0111\u1ea3m b\u1ea3o module SFP \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u1ea3 nhu c\u1ea7u ng\u00e2n s\u00e1ch l\u1eabn k\u1ef9 thu\u1eadt nh\u1eb1m duy tr\u00ec hi\u1ec7u n\u0103ng m\u1ea1ng \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udea9\u00a0C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 T\u00ecnh hu\u1ed1ng Tri\u1ec3n khai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn module SFP ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o hi\u1ec7u n\u0103ng v\u00e0 chi ph\u00ed m\u00e0 c\u00f2n v\u00e0o m\u00f4i tr\u01b0\u1eddng m\u1ea1ng c\u1ee5 th\u1ec3 v\u00e0 t\u00ecnh hu\u1ed1ng tri\u1ec3n khai. C\u1ea3 module SFP \u0111\u1ed3ng v\u00e0 module SFP s\u1ee3i quang \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c nhau.<\/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\/81c3e30568374945a920df110224993b.jpg\" alt=\"Copper SFP vs. Fiber SFP: Use Cases and Deployment Scenarios\" class=\"wp-image-3048\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/81c3e30568374945a920df110224993b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/81c3e30568374945a920df110224993b-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/81c3e30568374945a920df110224993b-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/81c3e30568374945a920df110224993b-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/81c3e30568374945a920df110224993b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i nh\u00e0 v\u00e0 M\u1ea1ng v\u0103n ph\u00f2ng nh\u1ecf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i nh\u00e0 v\u00e0 m\u1ea1ng v\u0103n ph\u00f2ng nh\u1ecf, c\u00e1c module SFP \u0111\u1ed3ng th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Chi ph\u00ed th\u1ea5p h\u01a1n<\/strong> v\u00e0 c\u00e1p Cat5e\/Cat6 s\u1eb5n c\u00f3<\/p><\/li><li><p><strong>Ti\u1ec7n l\u1ee3i thay th\u1ebf n\u00f3ng (hot-swappable)<\/strong>, gi\u00fap gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c th\u1eed nghi\u1ec7m ho\u1eb7c n\u00e2ng c\u1ea5p<\/p><\/li><li><p><strong>H\u1ed7 tr\u1ee3 PoE<\/strong> cho \u0111i\u1ec7n tho\u1ea1i IP, \u0111i\u1ec3m truy c\u1eadp ho\u1eb7c camera<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module SFP \u0111\u1ed3ng cho ph\u00e9p c\u00e1c m\u1ea1ng quy m\u00f4 nh\u1ecf duy tr\u00ec k\u1ebft n\u1ed1i 1G ho\u1eb7c 10G \u0111\u00e1ng tin c\u1eady m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c l\u1eafp \u0111\u1eb7t s\u1ee3i quang, khi\u1ebfn ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c tri\u1ec3n khai kho\u1ea3ng c\u00e1ch ng\u1eafn v\u00e0 nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 M\u1ea1ng doanh nghi\u1ec7p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p quy m\u00f4 l\u1edbn, c\u00e1c module SFP s\u1ee3i quang chi\u1ebfm \u01b0u th\u1ebf nh\u1edd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Truy\u1ec1n d\u1eabn t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 tr\u1ec5 th\u1ea5p<\/strong> tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i<\/p><\/li><li><p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong> \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c gi\u00e1 \u0111\u1ee1, m\u00e1y ch\u1ee7 v\u00e0 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef<\/p><\/li><li><p><strong>Gi\u1ea3m nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI)<\/strong> trong m\u00f4i tr\u01b0\u1eddng \u0111i d\u00e2y d\u00e0y \u0111\u1eb7c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module SFP s\u1ee3i quang, bao g\u1ed3m <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\"><strong>SFP+<\/strong><\/a><strong> and <\/strong><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\"><strong>SFP28<\/strong><\/a><strong> m\u00f4-\u0111un<\/strong>, h\u1ed7 tr\u1ee3 c\u00e1c k\u1ebft n\u1ed1i x\u01b0\u01a1ng s\u1ed1ng v\u00e0 gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 n\u01a1i hi\u1ec7u n\u0103ng v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t, \u0111\u1eb7c bi\u1ec7t trong <strong>c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 10G, 25G ho\u1eb7c cao h\u01a1n<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u1ea1ng khu\u00f4n vi\u00ean v\u00e0 M\u1ea1ng \u0111a t\u00f2a nh\u00e0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u1ea1ng khu\u00f4n vi\u00ean ho\u1eb7c m\u1ea1ng nhi\u1ec1u t\u00f2a nh\u00e0, c\u00e1c module SFP s\u1ee3i quang l\u00e0 thi\u1ebft y\u1ebfu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Cho ph\u00e9p k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch xa gi\u1eefa nhi\u1ec1u t\u00f2a nh\u00e0<\/p><\/li><li><p>Duy tr\u00ec t\u1ed1c \u0111\u1ed9 m\u1ea1ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 tr\u1ec5 t\u1ed1i thi\u1ec3u<\/p><\/li><li><p>H\u1ed7 tr\u1ee3 m\u1edf r\u1ed9ng t\u01b0\u01a1ng lai v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn s\u1ee3i quang \u0111\u01a1n mode ho\u1eb7c \u0111a mode<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module SFP \u0111\u1ed3ng kh\u00f4ng ph\u00f9 h\u1ee3p cho li\u00ean k\u1ebft gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 do gi\u1edbi h\u1ea1n v\u1ec1 kho\u1ea3ng c\u00e1ch, khi\u1ebfn s\u1ee3i quang tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p \u01b0u ti\u00ean cho k\u1ebft n\u1ed1i \u0111\u01b0\u1eddng d\u00e0i v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ea5p doanh nghi\u1ec7p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea3ng so s\u00e1nh: Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng SFP \u0111\u1ed3ng so v\u1edbi SFP s\u1ee3i quang<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Module \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Ghi ch\u00fa \/ C\u00e2n nh\u1eafc<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i nh\u00e0<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP \u0111\u1ed3ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed th\u1ea5p, h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng, h\u1ed7 tr\u1ee3 PoE<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch ng\u1eafn; l\u00fd t\u01b0\u1edfng cho th\u1eed nghi\u1ec7m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng v\u0103n ph\u00f2ng nh\u1ecf<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP \u0111\u1ed3ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tri\u1ec3n khai d\u1ec5 d\u00e0ng, chi ph\u00ed h\u1ee3p l\u00fd<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u01b0\u1eddng \u00e1p d\u1ee5ng cho c\u00e1c li\u00ean k\u1ebft d\u01b0\u1edbi 100 m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i t\u1ee7 m\u00e1y trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 tr\u1ec5 th\u1ea5p, ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00f9 h\u1ee3p nh\u1ea5t cho k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7\u2013m\u00e1y ch\u1ee7 ho\u1eb7c m\u00e1y ch\u1ee7\u2013l\u01b0u tr\u1eef<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng x\u01b0\u01a1ng s\u1ed1ng doanh nghi\u1ec7p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch xa, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 b\u0103ng th\u00f4ng cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00f9 h\u1ee3p cho m\u1ea1ng 10G, 25G, 40G<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng khu\u00f4n vi\u00ean<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i gi\u1eefa nhi\u1ec1u t\u00f2a nh\u00e0, t\u1ed5n hao t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Y\u00eau c\u1ea7u s\u1ee3i quang \u0111\u01a1n mode ho\u1eb7c \u0111a mode<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng c\u00f4ng nghi\u1ec7p \/ nh\u00e0 m\u00e1y<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m EMI, ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1eed d\u1ee5ng c\u00e1c module ch\u1ecbu nhi\u1ec7t m\u1edf r\u1ed9ng ho\u1eb7c module chuy\u00ean d\u1ee5ng cho \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng \/ ISP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n d\u1eabn \u0111\u01b0\u1eddng d\u00e0i, \u0111\u1ed9 tin c\u1eady cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1ed7 tr\u1ee3 h\u1ec7 th\u1ed1ng truy\u1ec1n d\u1eabn quang<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft m\u1eadt \u0111\u1ed9 cao gi\u1eefa b\u1ed9 chuy\u1ec3n m\u1ea1ch \/ m\u00e1y ch\u1ee7<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP \u0111\u1ed3ng ho\u1eb7c SFP s\u1ee3i quang<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed3ng d\u00f9ng cho li\u00ean k\u1ebft n\u1ed9i b\u1ed9 ng\u1eafn, s\u1ee3i quang d\u00f9ng cho li\u00ean k\u1ebft gi\u1eefa c\u00e1c t\u1ee7 m\u00e1y<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c module h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a b\u1ea3o tr\u00ec<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udea9 M\u1eb9o l\u1eafp \u0111\u1eb7t v\u00e0 th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch c\u00e1c module SFP l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady, hi\u1ec7u n\u0103ng v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a m\u1ea1ng. Tu\u00e2n th\u1ee7 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t gi\u00fap ng\u0103n ng\u1eeba gi\u00e1n \u0111o\u1ea1n, gi\u1ea3m th\u1eddi gian x\u1eed s\u1ef1 s\u1ef1 c\u1ed1 v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ea3 module SFP \u0111\u1ed3ng l\u1eabn SFP s\u1ee3i quang.<\/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\/4e4939a0217f4d41bd0b9fb8a376e504.jpg\" alt=\"Installation Tips for Copper SFP and Fiber SFP modules \" class=\"wp-image-3049\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4e4939a0217f4d41bd0b9fb8a376e504.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4e4939a0217f4d41bd0b9fb8a376e504-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4e4939a0217f4d41bd0b9fb8a376e504-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4e4939a0217f4d41bd0b9fb8a376e504-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4e4939a0217f4d41bd0b9fb8a376e504-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >L\u1ef1a ch\u1ecdn gi\u1eefa DAC, SFP \u0111\u1ed3ng ho\u1eb7c SFP s\u1ee3i quang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o kho\u1ea3ng c\u00e1ch, ng\u00e2n s\u00e1ch v\u00e0 y\u00eau c\u1ea7u m\u1ea1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>DAC (<\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/direct-attach-cables-dac-in-networking\/\"><strong>\u0110\u1ed3ng tr\u1ef1c ti\u1ebfp g\u1eafn<\/strong><\/a><strong>)<\/strong>: L\u00fd t\u01b0\u1edfng cho c\u00e1c k\u1ebft n\u1ed1i si\u00eau ng\u1eafn (th\u01b0\u1eddng &lt;7 m), mang l\u1ea1i \u0111\u1ed9 tr\u1ec5 r\u1ea5t th\u1ea5p v\u00e0 chi ph\u00ed tri\u1ec3n khai hi\u1ec7u qu\u1ea3.<\/p><\/li><li><p><strong>SFP \u0111\u1ed3ng<\/strong>: Ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c li\u00ean k\u1ebft ng\u1eafn \u0111\u1ebfn 100 m (1G) ho\u1eb7c 30 m (<a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482688.htm\">10GBASE-T<\/a>). H\u1ed7 tr\u1ee3 thi\u1ebft b\u1ecb PoE v\u00e0 d\u1ec5 tri\u1ec3n khai trong ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i nh\u00e0, v\u0103n ph\u00f2ng nh\u1ecf v\u00e0 t\u1ee7 m\u00e1y d\u00e0y \u0111\u1eb7c.<\/p><\/li><li><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/strong>: \u0110\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho c\u00e1c k\u1ebft n\u1ed1i trung b\u00ecnh \u0111\u1ebfn d\u00e0i, m\u1ea1ng khu\u00f4n vi\u00ean nhi\u1ec1u t\u00f2a nh\u00e0 v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u. \u0110em l\u1ea1i \u0111\u1ed9 tr\u1ec5 th\u1ea5p, kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m EMI v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch \u0111\u00e1nh gi\u00e1 c\u1ea5u tr\u00fac m\u1ea1ng, kh\u1ea3 n\u0103ng c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 ng\u00e2n s\u00e1ch, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn module c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed, hi\u1ec7u n\u0103ng v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Qu\u1ea3n l\u00fd c\u00e1p v\u00e0 l\u00e0m s\u1ea1ch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c x\u1eed l\u00fd c\u00e1p \u0111\u00fang c\u00e1ch l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 duy tr\u00ec hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Module SFP quang<\/strong> C\u00e1p s\u1ee3i quang y\u00eau c\u1ea7u x\u1eed l\u00fd c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh tr\u1ea7y x\u01b0\u1edbc v\u00e0 b\u1ee5i b\u00e1m tr\u00ean \u0111\u1ea7u n\u1ed1i LC ho\u1eb7c SC. L\u00e0m s\u1ea1ch \u0111\u1ecbnh k\u1ef3 b\u1ec1 m\u1eb7t \u0111\u1ea7u n\u1ed1i s\u1ee3i quang b\u1eb1ng kh\u0103n lau kh\u00f4ng x\u01a1 ho\u1eb7c b\u1ed9 d\u1ee5ng c\u1ee5 l\u00e0m s\u1ea1ch s\u1ee3i quang.<\/p><\/li><li><p><strong>SFP \u0111\u1ed3ng<\/strong> C\u00e1p Ethernet n\u00ean \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1p ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1ea3m b\u1ea3o \u0111\u1ea7u n\u1ed1i \u0111\u01b0\u1ee3c thi c\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt v\u00e0 tr\u00e1nh u\u1ed1n cong v\u01b0\u1ee3t qu\u00e1 b\u00e1n k\u00ednh u\u1ed1n cho ph\u00e9p.<\/p><\/li><li><p><strong>Vi\u1ec7c qu\u1ea3n l\u00fd c\u00e1p c\u00f3 t\u1ed5 ch\u1ee9c<\/strong> b\u1eb1ng m\u00e1ng c\u00e1p ho\u1eb7c d\u00e2y bu\u1ed9c Velcro gi\u00fap gi\u1ea3m l\u1ef1c c\u0103ng l\u00ean c\u00e1c b\u1ed9 thu ph\u00e1t v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a b\u1ea3o tr\u00ec trong c\u00e1c t\u1ee7 m\u00e1y chuy\u1ec3n m\u1ea1ch ho\u1eb7c m\u00e1y ch\u1ee7 d\u00e0y \u0111\u1eb7c.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u1ea3n l\u00fd c\u00e1p t\u1ed1t kh\u00f4ng ch\u1ec9 n\u00e2ng cao t\u00ednh to\u00e0n v\u1eb9n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a t\u00edn hi\u1ec7u m\u00e0 c\u00f2n gi\u00fap x\u1eed l\u00fd s\u1ef1 c\u1ed1 d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea3o d\u01b0\u1ee1ng tu\u1ed5i th\u1ecd module SFP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd module SFP:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Lu\u00f4n l\u1eafp v\u00e0 th\u00e1o module h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p><\/li><li><p>Tr\u00e1nh nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao; \u0111\u1ea3m b\u1ea3o lu\u1ed3ng kh\u00ed l\u00e0m m\u00e1t \u0111\u1ea7y \u0111\u1ee7 cho b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 m\u00e1y ch\u1ee7 l\u1eafp t\u1ee7.<\/p><\/li><li><p>Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ee5i b\u00e1m ho\u1eb7c \u0103n m\u00f2n tr\u00ean ti\u1ebfp \u0111i\u1ec3m \u0111\u1ea7u n\u1ed1i.<\/p><\/li><li><p>Theo d\u00f5i tu\u1ed5i th\u1ecd v\u00e0 s\u1ed1 chu k\u1ef3 s\u1eed d\u1ee5ng module nh\u1eb1m d\u1ef1 b\u00e1o th\u1eddi \u0111i\u1ec3m thay th\u1ebf tr\u01b0\u1edbc khi hi\u1ec7u n\u0103ng suy gi\u1ea3m.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t n\u00e0y \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng m\u1ea1ng \u1ed5n \u0111\u1ecbnh, gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1 v\u00e0 b\u1ea3o v\u1ec7 kho\u1ea3n \u0111\u1ea7u t\u01b0 v\u00e0o c\u1ea3 module SFP \u0111\u1ed3ng l\u1eabn SFP s\u1ee3i quang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udea9 X\u1eed l\u00fd s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 khi l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch, module SFP v\u1eabn c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 v\u1eadn h\u00e0nh. Hi\u1ec3u r\u00f5 c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c gi\u00fap duy tr\u00ec th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng, hi\u1ec7u n\u0103ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng \u0111\u1ed1i v\u1edbi c\u1ea3 module SFP \u0111\u1ed3ng l\u1eabn SFP s\u1ee3i quang.<\/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\/f51620db253b46e9959ef21062d0c243.jpg\" alt=\"Troubleshooting Copper SFP and Fiber SFP modules Common Issues \" class=\"wp-image-3050\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f51620db253b46e9959ef21062d0c243.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f51620db253b46e9959ef21062d0c243-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f51620db253b46e9959ef21062d0c243-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f51620db253b46e9959ef21062d0c243-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f51620db253b46e9959ef21062d0c243-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 module<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c d\u1ea5u hi\u1ec7u ph\u1ed5 bi\u1ebfn c\u1ee7a <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477131.htm\">m\u00f4-\u0111un SFP<\/a> s\u1ef1 c\u1ed1 module bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u00e8n tr\u1ea1ng th\u00e1i li\u00ean k\u1ebft kh\u00f4ng s\u00e1ng d\u00f9 c\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u0111\u00fang c\u00e1ch<\/p><\/li><li><p>T\u1ed1c \u0111\u1ed9 m\u1ea1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c dao \u0111\u1ed9ng<\/p><\/li><li><p>Nh\u1eadt k\u00fd b\u1ed9 chuy\u1ec3n m\u1ea1ch b\u00e1o l\u1ed7i module ho\u1eb7c b\u1ed9 thu ph\u00e1t kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u1eb9o x\u1eed l\u00fd s\u1ef1 c\u1ed1:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thay module nghi ng\u1edd b\u1eb1ng m\u1ed9t module \u0111\u00e3 bi\u1ebft ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n<\/p><\/li><li><p>\u0110\u1ea3m b\u1ea3o module SFP \u0111\u01b0\u1ee3c c\u1eafm ch\u1eb7t ho\u00e0n to\u00e0n v\u00e0o khe tr\u00ean b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/p><\/li><li><p>Ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9 chuy\u1ec3n m\u1ea1ch (Cisco, Juniper, Arista, v.v.)<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >X\u1eed l\u00fd s\u1ef1 c\u1ed1 do nhi\u1ec7t v\u00e0 ngu\u1ed3n \u0111i\u1ec7n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng cao v\u00e0 sinh nhi\u1ec7t l\u00e0 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn \u1edf module SFP \u0111\u1ed3ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c model 10GBASE-T:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t ch\u1ebf \u0111\u1ed9 t\u1eaft t\u1ef1 \u0111\u1ed9ng ho\u1eb7c l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd module<\/p><\/li><li><p>C\u00e1c \u0111\u1ee3t t\u0103ng c\u00f4ng su\u1ea5t \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 g\u00e2y m\u1ea5t k\u1ebft n\u1ed1i t\u1ea1m th\u1eddi ho\u1eb7c ng\u1eaft li\u00ean k\u1ebft<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gi\u1ea3i ph\u00e1p:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ea3i thi\u1ec7n lu\u1ed3ng kh\u00ed l\u00e0m m\u00e1t trong t\u1ee7 ho\u1eb7c b\u1ed5 sung h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t n\u1ebfu module b\u1ecb qu\u00e1 nhi\u1ec7t<\/p><\/li><li><p>Gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 module b\u1eb1ng c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c c\u00f4ng c\u1ee5 SNMP<\/p><\/li><li><p>C\u00e2n nh\u1eafc s\u1eed d\u1ee5ng module SFP s\u1ee3i quang cho c\u00e1c tri\u1ec3n khai \u0111\u01b0\u1eddng d\u00e0i ho\u1eb7c m\u1eadt \u0111\u1ed9 cao nh\u1eb1m gi\u1ea3m t\u1ea3i c\u00f4ng su\u1ea5t<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng t\u01b0\u01a1ng th\u00edch l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y ra s\u1ef1 c\u1ed1 m\u1ea1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476076.htm\">Module SFP b\u00ean th\u1ee9 ba<\/a> C\u00e1c m\u00f4-\u0111un c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 switch nh\u1eadn di\u1ec7n<\/p><\/li><li><p>C\u00e1c m\u00f4-\u0111un SFP quang y\u00eau c\u1ea7u chu\u1ea9n t\u01b0\u01a1ng th\u00edch (SFP, SFP+, SFP28) v\u00e0 lo\u1ea1i c\u00e1p quang (\u0111\u01a1n ch\u1ebf \u0111\u1ed9 ho\u1eb7c \u0111a ch\u1ebf \u0111\u1ed9)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ki\u1ec3m tra danh s\u00e1ch m\u00f4-\u0111un SFP \u0111\u01b0\u1ee3c switch ph\u00ea duy\u1ec7t tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t<\/p><\/li><li><p>Duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n v\u1ec1 lo\u1ea1i m\u00f4-\u0111un tr\u00ean to\u00e0n b\u1ed9 c\u00e1c k\u1ebft n\u1ed1i uplink \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng m\u1ea1ng \u1ed5n \u0111\u1ecbnh<\/p><\/li><li><p>S\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un SFP h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng (hot-swappable) \u0111\u1ec3 nhanh ch\u00f3ng thay th\u1ebf c\u00e1c \u0111\u01a1n v\u1ecb l\u1ed7i m\u00e0 kh\u00f4ng g\u00e2y gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udea9\u00a0C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 SFP \u0111\u1ed3ng tr\u1ee5c so v\u1edbi SFP quang<\/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\/f1913dbcd3c848a5984175fdaf39185d.jpg\" alt=\"FAQs About Copper SFP vs. Fiber SFP\" class=\"wp-image-3051\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1913dbcd3c848a5984175fdaf39185d.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1913dbcd3c848a5984175fdaf39185d-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1913dbcd3c848a5984175fdaf39185d-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1913dbcd3c848a5984175fdaf39185d-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/f1913dbcd3c848a5984175fdaf39185d-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 1. Lo\u1ea1i n\u00e0o t\u1ed1t h\u01a1n: SFP \u0111\u1ed3ng tr\u1ee5c hay SFP quang?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa SFP \u0111\u1ed3ng tr\u1ee5c v\u00e0 SFP quang ph\u1ee5 thu\u1ed9c v\u00e0o kho\u1ea3ng c\u00e1ch m\u1ea1ng v\u00e0 y\u00eau c\u1ea7u hi\u1ec7u n\u0103ng. C\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng tr\u1ee5c l\u00fd t\u01b0\u1edfng cho <strong>c\u00e1c k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch ng\u1eafn (t\u1ed1i \u0111a 100 m\u00e9t)<\/strong> v\u00e0 c\u00f3 chi ph\u00ed l\u1eafp \u0111\u1eb7t th\u1ea5p h\u01a1n nh\u1edd s\u1eed d\u1ee5ng c\u00e1p Ethernet ti\u00eau chu\u1ea9n. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c m\u00f4-\u0111un SFP quang cung c\u1ea5p <strong>kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa, \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb t\u1ed1t h\u01a1n<\/strong>, do \u0111\u00f3 ph\u00f9 h\u1ee3p h\u01a1n cho trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng x\u01b0\u01a1ng s\u1ed1ng doanh nghi\u1ec7p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 2. V\u00ec sao c\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng tr\u1ee5c ti\u00eau th\u1ee5 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>C\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng tr\u1ee5c, \u0111\u1eb7c bi\u1ec7t l\u00e0 lo\u1ea1i SFP+ 10GBASE-T, \u0111\u00f2i h\u1ecfi x\u1eed l\u00fd t\u00edn hi\u1ec7u b\u1ed5 sung \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u \u0111i\u1ec7n qua c\u00e1p xo\u1eafn \u0111\u00f4i. Qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i n\u00e0y l\u00e0m t\u0103ng m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 sinh nhi\u1ec7t, th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 2\u20134 watt m\u1ed7i m\u00f4-\u0111un. Trong khi \u0111\u00f3, c\u00e1c m\u00f4-\u0111un SFP quang s\u1eed d\u1ee5ng truy\u1ec1n d\u1eabn quang, th\u01b0\u1eddng ti\u00eau th\u1ee5 d\u01b0\u1edbi 1 watt, gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n trong c\u00e1c m\u00f4i tr\u01b0\u1eddng m\u1ea1ng m\u1eadt \u0111\u1ed9 cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 3. Khi n\u00e0o n\u00ean ch\u1ecdn SFP \u0111\u1ed3ng tr\u1ee5c thay v\u00ec SFP quang?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>C\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng tr\u1ee5c th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u khi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kho\u1ea3ng c\u00e1ch m\u1ea1ng l\u00e0 <strong>d\u01b0\u1edbi 100 m\u00e9t<\/strong><\/p><\/li><li><p>\u0110\u00e3 l\u1eafp \u0111\u1eb7t s\u1eb5n <strong>c\u00e1p Cat5e, Cat6 ho\u1eb7c Cat6a<\/strong> C\u00e1c thi\u1ebft b\u1ecb PoE<\/p><\/li><li><p><strong>nh\u01b0 camera IP ho\u1eb7c \u0111i\u1ec3m truy c\u1eadp \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/strong> Vi\u1ec7c tri\u1ec3n khai c\u1ea7n ph\u1ea3i<\/p><\/li><li><p>ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 \u0111\u01a1n gi\u1ea3n <strong>\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn b\u00ean trong ph\u00f2ng m\u00e1y ch\u1ee7 ho\u1eb7c m\u1ea1ng v\u0103n ph\u00f2ng nh\u1ecf, SFP \u0111\u1ed3ng tr\u1ee5c c\u00f3 th\u1ec3 l\u00e0 gi\u1ea3i ph\u00e1p th\u1ef1c ti\u1ec5n v\u00e0 kinh t\u1ebf.<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u h\u1ecfi 4. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi SFP \u0111\u1ed3ng tr\u1ee5c v\u00e0 SFP quang tr\u00ean c\u00f9ng m\u1ed9t switch kh\u00f4ng?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00f3. H\u1ea7u h\u1ebft c\u00e1c switch hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u h\u1ed7 tr\u1ee3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>nhi\u1ec1u lo\u1ea1i m\u00f4-\u0111un SFP <strong>, cho ph\u00e9p c\u1ea3<\/strong>, SFP \u0111\u1ed3ng tr\u1ee5c v\u00e0 SFP quang <strong>ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi tr\u00ean c\u00e1c c\u1ed5ng kh\u00e1c nhau. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ph\u1ee5 thu\u1ed9c v\u00e0o<\/strong> m\u1eabu switch v\u00e0 c\u00e1c chu\u1ea9n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 <strong>(SFP, SFP+ ho\u1eb7c SFP28). Qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng lu\u00f4n c\u1ea7n x\u00e1c minh danh s\u00e1ch t\u01b0\u01a1ng th\u00edch m\u00f4-\u0111un do nh\u00e0 s\u1ea3n xu\u1ea5t switch cung c\u1ea5p.<\/strong> C\u00e2u h\u1ecfi 5. V\u00ec sao c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u \u01b0a chu\u1ed9ng m\u00f4-\u0111un SFP quang?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c trung t\u00e2m d\u1eef li\u1ec7u th\u01b0\u1eddng \u01b0a chu\u1ed9ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>v\u00ec ch\u00fang cung c\u1ea5p: <strong>c\u00e1c module SFP quang<\/strong> Kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch xa<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>gi\u1eefa c\u00e1c t\u1ee7 rack ho\u1eb7c gi\u1eefa c\u00e1c t\u00f2a nh\u00e0<\/strong> cho c\u00e1c kh\u1ed1i c\u00f4ng vi\u1ec7c hi\u1ec7u n\u0103ng cao<\/p><\/li><li><p><strong>\u0110\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n<\/strong> trong c\u00e1c tri\u1ec3n khai quy m\u00f4 l\u1edbn<\/p><\/li><li><p><strong>Gi\u1ea3m nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI)<\/strong><\/p><\/li><li><p><strong>M\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n<\/strong> Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u00e0y khi\u1ebfn c\u00e1p quang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho c\u00e1c m\u1ea1ng doanh nghi\u1ec7p t\u1ed1c \u0111\u1ed9 cao v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u h\u1ecfi 6. C\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng tr\u1ee5c c\u00f3 h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng kh\u00f4ng?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00f3. Ph\u1ea7n l\u1edbn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>, bao g\u1ed3m c\u1ea3 <strong>C\u00e1c m\u00f4-\u0111un SFP<\/strong>, \u0111\u1ec1u <strong>ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi tr\u00ean c\u00e1c c\u1ed5ng kh\u00e1c nhau. Tuy nhi\u00ean, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ph\u1ee5 thu\u1ed9c v\u00e0o<\/strong>, . \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o ho\u1eb7c th\u00e1o ra kh\u1ecfi switch m\u00e0 kh\u00f4ng c\u1ea7n t\u1eaft thi\u1ebft b\u1ecb. T\u00ednh h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a b\u1ea3o tr\u00ec, n\u00e2ng c\u1ea5p v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1, gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ng. <strong>Cat5e\/Cat6 Ethernet<\/strong>. C\u00e2u h\u1ecfi 7. H\u1ea1n ch\u1ebf ch\u00ednh c\u1ee7a c\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng tr\u1ee5c l\u00e0 g\u00ec?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >H\u1ea1n ch\u1ebf ch\u00ednh c\u1ee7a c\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng tr\u1ee5c l\u00e0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A: <\/strong>. Ngay c\u1ea3 khi s\u1eed d\u1ee5ng c\u00e1p Ethernet ch\u1ea5t l\u01b0\u1ee3ng cao, c\u00e1c k\u1ebft n\u1ed1i d\u1ef1a tr\u00ean \u0111\u1ed3ng tr\u1ee5c th\u01b0\u1eddng \u0111\u1ea1t t\u1ed1i \u0111a <strong>kho\u1ea3ng c\u00e1ch<br><\/strong>. 100 m\u00e9t \u0111\u1ed1i v\u1edbi Gigabit Ethernet <strong>v\u00e0 kho\u1ea3ng<\/strong> 30 m\u00e9t \u0111\u1ed1i v\u1edbi 10GBASE-T <strong>. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ebft n\u1ed1i d\u00e0i h\u01a1n,<\/strong>. mang l\u1ea1i hi\u1ec7u n\u0103ng v\u00e0 \u0111\u1ed9 tin c\u1eady v\u01b0\u1ee3t tr\u1ed9i \u0111\u00e1ng k\u1ec3., <strong>c\u00e1c module SFP quang<\/strong> \ud83d\udea9\u00a0K\u1ebft lu\u1eadn: L\u1ef1a ch\u1ecdn m\u00f4-\u0111un SFP ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00f4-\u0111un SFP ph\u00f9 h\u1ee3p \u0111\u00f2i h\u1ecfi c\u00e2n nh\u1eafc gi\u1eefa hi\u1ec7u n\u0103ng, chi ph\u00ed, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 y\u00eau c\u1ea7u tri\u1ec3n khai. C\u1ea3 m\u00f4-\u0111un SFP \u0111\u1ed3ng tr\u1ee5c v\u00e0 SFP quang \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang bi\u1ec7t t\u00f9y thu\u1ed9c v\u00e0o kho\u1ea3ng c\u00e1ch m\u1ea1ng, t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng. Hi\u1ec3u r\u00f5 \u0111i\u1ec3m m\u1ea1nh c\u1ee7a t\u1eebng lo\u1ea1i s\u1ebd \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i m\u1ea1ng \u0111\u00e1ng tin c\u1eady, hi\u1ec7u qu\u1ea3 v\u00e0 s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed5ng quan v\u1ec1 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u01afu \u0111i\u1ec3m<\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i m\u00f4-\u0111un<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p, h\u1ed7 tr\u1ee3 PoE, h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng, d\u1ec5 l\u1eafp \u0111\u1eb7t<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>SFP \u0111\u1ed3ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch gi\u1edbi h\u1ea1n (t\u1ed1i \u0111a 100m cho 1G, 30m cho 10G), ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n, sinh nhi\u1ec7t<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch xa, \u0111\u1ed9 tr\u1ec5 th\u1ea5p, mi\u1ec5n nhi\u1ec5m nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI), m\u1edf r\u1ed9ng quy m\u00f4 cho m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n, y\u00eau c\u1ea7u c\u00e1p quang v\u00e0 l\u1eafp \u0111\u1eb7t c\u1ea9n th\u1eadn, ti\u1ec1m \u1ea9n v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch nh\u00e0 cung c\u1ea5p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>B\u1ea3ng so s\u00e1nh n\u00e0y gi\u00fap x\u00e1c \u0111\u1ecbnh m\u00f4-\u0111un n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u v\u1ec1 t\u1ed1c \u0111\u1ed9, kho\u1ea3ng c\u00e1ch v\u00e0 ng\u00e2n s\u00e1ch m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">G\u1ee3i \u00fd l\u1ef1a ch\u1ecdn theo t\u1eebng tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i nh\u00e0 &amp; v\u0103n ph\u00f2ng nh\u1ecf:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP \u0111\u1ed3ng tr\u1ee5c l\u00fd t\u01b0\u1edfng cho c\u00e1c tri\u1ec3n khai kho\u1ea3ng c\u00e1ch ng\u1eafn v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/strong> Trung t\u00e2m d\u1eef li\u1ec7u &amp; m\u1ea1ng x\u01b0\u01a1ng s\u1ed1ng doanh nghi\u1ec7p:.<\/p><\/li><li><p><strong>C\u00e1c m\u00f4-\u0111un SFP quang cung c\u1ea5p kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, li\u00ean k\u1ebft t\u1ed1c \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p.<\/strong> M\u1ea1ng khu\u00f4n vi\u00ean ho\u1eb7c \u0111a t\u00f2a nh\u00e0:.<\/p><\/li><li><p><strong>C\u00e1c m\u00f4-\u0111un SFP quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 ho\u1eb7c \u0111a ch\u1ebf \u0111\u1ed9 \u0111\u1ea3m b\u1ea3o truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa \u0111\u00e1ng tin c\u1eady.<\/strong> M\u00f4i tr\u01b0\u1eddng switch m\u1eadt \u0111\u1ed9 cao:.<\/p><\/li><li><p><strong>S\u1eed d\u1ee5ng SFP \u0111\u1ed3ng tr\u1ee5c cho c\u00e1c k\u1ebft n\u1ed1i n\u1ed9i b\u1ed9 trong t\u1ee7 rack v\u00e0 SFP quang cho c\u00e1c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c t\u1ee7 rack ho\u1eb7c gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u.<\/strong> Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00f4-\u0111un d\u1ef1a tr\u00ean c\u00e1c k\u1ecbch b\u1ea3n n\u00e0y s\u1ebd \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u, \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1m ph\u00e1 c\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng tr\u1ee5c v\u00e0 SFP quang ch\u1ea5t l\u01b0\u1ee3ng cao.<\/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\/2db63c0b5031479f9cce20828285cf0c.jpg\" alt=\"Selecting the Right SFP Module\" class=\"wp-image-3052\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2db63c0b5031479f9cce20828285cf0c.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2db63c0b5031479f9cce20828285cf0c-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2db63c0b5031479f9cce20828285cf0c-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2db63c0b5031479f9cce20828285cf0c-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2db63c0b5031479f9cce20828285cf0c-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Kh\u00e1m ph\u00e1 c\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng v\u00e0 s\u1ee3i quang ch\u1ea5t l\u01b0\u1ee3ng cao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eb5n s\u00e0ng n\u00e2ng c\u1ea5p m\u1ea1ng c\u1ee7a b\u1ea1n? Kh\u00e1m ph\u00e1 c\u00e1c module SFP \u0111\u1ed3ng b\u1ed9 ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a ch\u00fang t\u00f4i, t\u01b0\u01a1ng th\u00edch \u0111\u1ea7y \u0111\u1ee7 v\u1edbi c\u00e1c switch ph\u1ed5 bi\u1ebfn nh\u01b0 Cisco, Juniper v\u00e0 Arista. T\u1eadn d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p SFP c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cho ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i nh\u00e0, v\u0103n ph\u00f2ng nh\u1ecf, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng khu\u00f4n vi\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd17<br> <a target=\"_new\" rel=\"noopener\" class=\"decorated-link\" href=\"https:\/\/www.link-pp.com\">Truy c\u1eadp C\u1eecA H\u00c0NG CH\u00cdNH TH\u1ee8C LINK-PP \u0111\u1ec3 duy\u1ec7t c\u00e1c module SFP \u2192<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 s\u1ef1 kh\u00e1c bi\u1ec7t, hi\u1ec7u n\u0103ng, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 chi ph\u00ed gi\u1eefa SFP \u0111\u1ed3ng v\u00e0 SFP s\u1ee3i quang. T\u00ecm hi\u1ec3u c\u00e1ch ch\u1ecdn module SFP ph\u00f9 h\u1ee3p cho ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i nh\u00e0, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng PoE.<\/p>","protected":false},"author":1,"featured_media":3053,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[20,26],"class_list":["post-3054","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-rj45-copper-sfp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3054","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=3054"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3054\/revisions"}],"predecessor-version":[{"id":10750,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3054\/revisions\/10750"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3053"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}