{"id":5679,"date":"2025-07-25T00:00:00","date_gmt":"2025-07-25T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/sfp28-what-it-is-and-how-it-works-in-modern-networks\/"},"modified":"2026-06-22T08:47:59","modified_gmt":"2026-06-22T08:47:59","slug":"sfp28-what-it-is-and-how-it-works-in-modern-networks","status":"publish","type":"post","link":"https:\/\/resources.l-p.com\/vi\/knowledge-center\/sfp28-what-it-is-and-how-it-works-in-modern-networks","title":{"rendered":"Gi\u1ea3i m\u00e3 SFP28: H\u01b0\u1edbng d\u1eabn thi\u1ebft y\u1ebfu v\u1ec1 b\u1ed9 thu ph\u00e1t quang 25G"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/b892ea692bb4434e906f82e9cd9797a4.webp\" alt=\"What is SFP28 and How Does It Work in Modern Networks\" class=\"wp-image-5677\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/b892ea692bb4434e906f82e9cd9797a4.webp 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/b892ea692bb4434e906f82e9cd9797a4-300x178.webp 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/b892ea692bb4434e906f82e9cd9797a4-1024x608.webp 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/b892ea692bb4434e906f82e9cd9797a4-768x456.webp 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/b892ea692bb4434e906f82e9cd9797a4-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">Khi nhu c\u1ea7u v\u1ec1 m\u1ea1ng b\u00f9ng n\u1ed5 \u2013 do \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI), 5G v\u00e0 c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 c\u1ef1c l\u1edbn \u2013 nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a Ethernet 10 Gigabit (10GbE) tr\u1edf n\u00ean r\u00f5 r\u00e0ng, trong khi Ethernet 100 Gigabit (100GbE) c\u00f3 th\u1ec3 qu\u00e1 d\u01b0 th\u1eeba ho\u1eb7c qu\u00e1 t\u1ed1n k\u00e9m \u0111\u1ed1i v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\"><span class=\"qc-p1-tag\"><strong>b\u1ed9 thu ph\u00e1t SFP28<\/strong><\/span><\/a><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">, c\u00f4ng ngh\u1ec7 c\u1ea7u n\u1ed1i then ch\u1ed1t cung c\u1ea5p k\u1ebft n\u1ed1i 25 Gigabit m\u1ed7i gi\u00e2y (25G) hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 m\u1eadt \u0111\u1ed9 cao, ra \u0111\u1eddi. Tuy nhi\u00ean, <\/span><span class=\"qc-p1-tag\"><strong>SFP28 l\u00e0 g\u00ec<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> ch\u00ednh x\u00e1c, v\u00e0 t\u1ea1i sao n\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t tr\u1ee5 c\u1ed9t trong c\u00e1c n\u00e2ng c\u1ea5p m\u1ea1ng hi\u1ec7n \u0111\u1ea1i? H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111i s\u00e2u v\u00e0o c\u00f4ng ngh\u1ec7 SFP28, c\u00e1c lo\u1ea1i kh\u00e1c nhau c\u1ee7a n\u00f3, nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 c\u00e1ch t\u1eadn d\u1ee5ng hi\u1ec7u qu\u1ea3. <\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25bb Nh\u1eefng \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c m\u00f4-\u0111un SFP28 truy\u1ec1n d\u1eef li\u1ec7u r\u1ea5t nhanh, l\u00ean \u0111\u1ebfn 25 Gbps. \u0110i\u1ec1u n\u00e0y gi\u00fap m\u1ea1ng di chuy\u1ec3n nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng.<\/p><\/li><li><p>Ch\u00fang v\u1eeba kh\u00edt v\u00e0o c\u00f9ng c\u00e1c khe c\u1eafm nh\u1ecf nh\u01b0 c\u00e1c m\u00f4-\u0111un SFP+ c\u0169 h\u01a1n. Nh\u1edd \u0111\u00f3, vi\u1ec7c n\u00e2ng c\u1ea5p tr\u1edf n\u00ean d\u1ec5 d\u00e0ng m\u00e0 kh\u00f4ng c\u1ea7n mua to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb m\u1edbi.<\/p><\/li><li><p>SFP28 t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u0169 h\u01a1n, n\u00ean b\u1ea1n c\u00f3 th\u1ec3 n\u00e2ng c\u1ea5p d\u1ea7n d\u1ea7n. \u0110i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed theo th\u1eddi gian.<\/p><\/li><li><p>C\u00e1c m\u00f4-\u0111un n\u00e0y ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 sinh nhi\u1ec7t \u00edt h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m h\u00f3a \u0111\u01a1n \u0111i\u1ec7n v\u00e0 gi\u00fap m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n.<\/p><\/li><li><p>SFP28 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i \u1edf kho\u1ea3ng c\u00e1ch xa v\u00e0 h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng (hot-swappable). \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o m\u1ea1ng ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong su\u1ed1t qu\u00e1 tr\u00ecnh thay \u0111\u1ed5i.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25bb SFP28 l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a d\u1ea1ng h\u00ecnh (form factor)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SFP28<\/strong> stands for <strong>Small Form-factor Pluggable 28 Gigabit<\/strong>. \u0110\u00e2y l\u00e0 th\u1ebf h\u1ec7 th\u1ee9 ba trong h\u1ecd m\u00f4-\u0111un SFP (Small Form-factor Pluggable) ph\u1ed5 bi\u1ebfn, k\u1ebf th\u1eeba SFP (1G) v\u00e0 SFP+ (10G). Ch\u1eef \u201c28\u201d bi\u1ec3u th\u1ecb t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u danh \u0111\u1ecbnh t\u1ed1i \u0111a c\u1ee7a n\u00f3 l\u00e0 28 Gigabit m\u1ed7i gi\u00e2y (Gbps), d\u00f9 tr\u00ean th\u1ef1c t\u1ebf ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho Ethernet 25 Gigabit (25GbE) v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng Fibre Channel 32G m\u1ed9t k\u00eanh.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>T\u00ednh t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t v\u1eadt l\u00fd:<\/strong> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\"><strong>C\u00e1c m\u00f4-\u0111un SFP28<\/strong><\/a> chia s\u1ebb <strong>c\u00f9ng k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u00e1ng v\u1eadt l\u00fd gi\u1ed1ng h\u1ec7t<\/strong> v\u1edbi c\u00e1c m\u00f4-\u0111un SFP v\u00e0 SFP+. T\u00ednh t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c n\u00e0y l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf l\u1edbn, cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1ea1ng n\u00e2ng c\u1ea5p c\u1ed5ng switch SFP+ hi\u1ec7n c\u00f3 l\u00ean t\u1ed1c \u0111\u1ed9 25G ch\u1ec9 b\u1eb1ng c\u00e1ch thay th\u1ebf m\u00f4-\u0111un thu ph\u00e1t v\u00e0 n\u00e2ng c\u1ea5p ph\u1ea7n m\u1ec1m\/hardware switch khi c\u1ea7n, t\u1eeb \u0111\u00f3 b\u1ea3o v\u1ec7 kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Giao di\u1ec7n \u0111i\u1ec7n:<\/strong> M\u1eb7c d\u00f9 v\u1ec1 m\u1eb7t v\u1eadt l\u00fd t\u01b0\u01a1ng t\u1ef1, SFP28 s\u1eed d\u1ee5ng giao di\u1ec7n \u0111i\u1ec7n t\u1ed1c \u0111\u1ed9 cao h\u01a1n <strong>Giao di\u1ec7n \u0111i\u1ec7n 28 Gbps<\/strong> so v\u1edbi 10 Gbps c\u1ee7a SFP+. Vi\u1ec7c n\u00e2ng c\u1ea5p t\u00edn hi\u1ec7u \u0111i\u1ec7n n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u 25 G.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25bb SFP28 so v\u1edbi SFP+: T\u1ea1i sao n\u00ean n\u00e2ng c\u1ea5p l\u00ean 25G?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u r\u00f5 <strong>SFP28 so v\u1edbi SFP+<\/strong> so s\u00e1nh l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 bi\u1ec7n minh cho vi\u1ec7c n\u00e2ng c\u1ea5p. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch chi ti\u1ebft:<\/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><strong>Feature<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>SFP+ (10G)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>SFP28 (25G)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>L\u1ee3i th\u1ebf c\u1ee7a SFP28<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>25Gbps<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>25Gbps<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>B\u0103ng th\u00f4ng cao g\u1ea5p 2,5 l\u1ea7n<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Giao di\u1ec7n \u0111i\u1ec7n<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>NRZ 10 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>NRZ 28 Gbps<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u00edn hi\u1ec7u t\u1ed1c \u0111\u1ed9 cao h\u01a1n<\/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>~1 W (th\u00f4ng th\u01b0\u1eddng)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>~1 W \u2013 1,5 W<\/strong> (th\u00f4ng th\u01b0\u1eddng)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng cao tr\u00ean m\u1ed7i Gbps<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Form Factor<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Gi\u1ed1ng h\u1ec7t SFP+<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>N\u00e2ng c\u1ea5p c\u1ed5ng li\u1ec1n m\u1ea1ch<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng ch\u00ednh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10GbE, Fibre Channel 8G\/16G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>25GbE, Fibre Channel 32G<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy c\u1eadp\/t\u1ed5ng h\u1ee3p th\u1ebf h\u1ec7 ti\u1ebfp theo, l\u01b0u tr\u1eef<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Chi ph\u00ed tr\u00ean m\u1ed7i Gbps<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Higher<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Ho\u00e0n v\u1ed1n t\u1ed1t h\u01a1n, m\u1eadt \u0111\u1ed9 b\u0103ng th\u00f4ng cao h\u01a1n<\/strong><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>M\u1eadt \u0111\u1ed9 b\u0103ng th\u00f4ng:<\/strong> Cung c\u1ea5p b\u0103ng th\u00f4ng cao g\u1ea5p 2,5 l\u1ea7n SFP+ trong c\u00f9ng kh\u00f4ng gian c\u1ed5ng v\u1eadt l\u00fd, t\u0103ng \u0111\u00e1ng k\u1ec3 dung l\u01b0\u1ee3ng switch m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng di\u1ec7n t\u00edch chi\u1ebfm ch\u1ed7. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi <strong>ki\u1ebfn tr\u00fac spine-leaf trung t\u00e2m d\u1eef li\u1ec7u<\/strong> and <strong>\u0111\u01b0\u1eddng truy\u1ec1n tr\u01b0\u1edbc\/mi\u1ec1n gi\u1eefa 5G<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u qu\u1ea3 chi ph\u00ed:<\/strong> Cung c\u1ea5p m\u1ee9c <strong>chi ph\u00ed tr\u00ean m\u1ed7i gigabit th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3<\/strong> so v\u1edbi SFP+ \u1edf m\u1ee9c 10G v\u00e0 th\u01b0\u1eddng l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u kinh t\u1ebf h\u01a1n so v\u1edbi QSFP28 \u1edf m\u1ee9c 100G (s\u1eed d\u1ee5ng 4 k\u00eanh SFP28). <strong>C\u00e1p DAC 25G<\/strong> and <strong>C\u00e1p AOC 25G<\/strong> cung c\u1ea5p gi\u1ea3i ph\u00e1p chi ph\u00ed hi\u1ec7u qu\u1ea3 cho kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng:<\/strong> M\u1eb7c d\u00f9 ti\u00eau th\u1ee5 c\u00f4ng su\u1ea5t tuy\u1ec7t \u0111\u1ed1i h\u01a1i cao h\u01a1n SFP+, SFP28 l\u1ea1i hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng h\u01a1n r\u1ea5t nhi\u1ec1u <strong>tr\u00ean m\u1ed7i gigabit<\/strong> \u0111\u01b0\u1ee3c truy\u1ec1n, m\u1ed9t y\u1ebfu t\u1ed1 then ch\u1ed1t trong c\u00e1c tri\u1ec3n khai quy m\u00f4 l\u1edbn.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u01b0\u1eddng d\u1eabn l\u00ean 100G\/400G:<\/strong> SFP28 l\u00e0 kh\u1ed1i x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng cho 100G (s\u1eed d\u1ee5ng QSFP28 v\u1edbi 4 k\u00eanh 25G) v\u00e0 th\u1eadm ch\u00ed c\u1ea3 400G (s\u1eed d\u1ee5ng QSFP-DD\/OSFP v\u1edbi 8 k\u00eanh 50G <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\">PAM4<\/a> \u0111\u01b0\u1ee3c suy ra t\u1eeb 25G <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/understanding-non-return-to-zero-in-digital-communication\/\">NRZ<\/a> c\u00f4ng ngh\u1ec7).<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25bb Kh\u00e1m ph\u00e1 c\u00e1c lo\u1ea1i transceiver SFP28: Ph\u00f9 h\u1ee3p v\u1edbi kho\u1ea3ng c\u00e1ch &amp; ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choosing the right <strong>Lo\u1ea1i module SFP28<\/strong> ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn y\u00eau c\u1ea7u v\u00e0 lo\u1ea1i c\u00e1p quang s\u1eb5n c\u00f3 (\u0111a mode ho\u1eb7c \u0111\u01a1n mode). D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i ch\u00ednh:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px 0px 4px;\"><strong>SFP28 SR (kho\u1ea3ng c\u00e1ch ng\u1eafn):<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>M\u00f4 h\u00ecnh LINK-PP:<\/strong> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473141.htm\">LS-MM8525-S1C<\/a><\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7:<\/strong> 850nm <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/overview-of-vcsel\/\">Laser VCSEL.<\/a> (MMF \u2013 OM3\/OM4\/OM5).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Lo\u1ea1i c\u00e1p quang:<\/strong> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\">S\u1ee3i \u0111a ch\u1ebf \u0111\u1ed9<\/a> Kho\u1ea3ng c\u00e1ch:.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>L\u00ean \u0111\u1ebfn 70 m tr\u00ean OM3, 100 m tr\u00ean OM4, 150 m tr\u00ean OM5. Chu\u1ea9n h\u00f3a \u1edf m\u1ee9c 100 m tr\u00ean OM4.<\/strong> Chuy\u1ec3n m\u1ea1ch Top-of-Rack (ToR), k\u1ebft n\u1ed1i trong t\u1ee7 rack, li\u00ean k\u1ebft ng\u1eafn trong trung t\u00e2m d\u1eef li\u1ec7u. S\u1eed d\u1ee5ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Application:<\/strong> c\u00e1p n\u1ed1i \u0111a mode LC duplex chi ph\u00ed th\u1ea5p <strong>SFP28 LR (kho\u1ea3ng c\u00e1ch xa):<\/strong>.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>LS-SM3125-10C<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>M\u00f4 h\u00ecnh LINK-PP:<\/strong> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\">LS-SM3125-10C<\/a><\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7:<\/strong> 1310nm <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/dfb-laser-definition\/\">DFB<\/a> (MMF \u2013 OM3\/OM4\/OM5).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Lo\u1ea1i c\u00e1p quang:<\/strong> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work\/\">S\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n<\/a> (SMF \u2013 OS2).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>L\u00ean \u0111\u1ebfn 70 m tr\u00ean OM3, 100 m tr\u00ean OM4, 150 m tr\u00ean OM5. Chu\u1ea9n h\u00f3a \u1edf m\u1ee9c 100 m tr\u00ean OM4.<\/strong> L\u00ean \u0111\u1ebfn 10 kil\u00f4m\u00e9t (km).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Application:<\/strong> Th\u01b0\u1eddng d\u00f9ng cho vi\u1ec7c t\u1eadp h\u1ee3p trung t\u00e2m d\u1eef li\u1ec7u, l\u00f5i\/doanh nghi\u1ec7p ph\u00e2n ph\u1ed1i, c\u00e1c li\u00ean k\u1ebft khu\u00f4n vi\u00ean d\u00e0i h\u01a1n, truy c\u1eadp vi\u1ec5n th\u00f4ng. \u0110\u1ed9ng c\u01a1 ch\u00ednh cho <strong>S\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n 25G<\/strong> tri\u1ec3n khai. <strong>M\u00f4-\u0111un LINK-PP 25GBASE-LR<\/strong> <strong>Module<\/strong> l\u00e0 m\u1ed9t v\u00ed d\u1ee5 ti\u00eau bi\u1ec3u v\u1ec1 m\u00f4-\u0111un LR \u0111\u00e1ng tin c\u1eady, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\">tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n MSA<\/a> LR module.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>SFP28 ER (T\u1ea7m xa m\u1edf r\u1ed9ng):<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>M\u00f4 h\u00ecnh LINK-PP:<\/strong> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476095.htm\">LS-SM3125-40C<\/a><\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7:<\/strong> Laser DFB 1550nm, th\u01b0\u1eddng k\u00e8m theo <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/pin-apd-photodiode-technologies-applications\/\">b\u1ed9 thu APD<\/a> receiver.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Lo\u1ea1i c\u00e1p quang:<\/strong> S\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n (SMF \u2013 OS2).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>L\u00ean \u0111\u1ebfn 70 m tr\u00ean OM3, 100 m tr\u00ean OM4, 150 m tr\u00ean OM5. Chu\u1ea9n h\u00f3a \u1edf m\u1ee9c 100 m tr\u00ean OM4.<\/strong> L\u00ean \u0111\u1ebfn 40 kil\u00f4m\u00e9t (km).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Application:<\/strong> C\u00e1c r\u00eca m\u1ea1ng \u0111\u00f4 th\u1ecb, c\u00e1c li\u00ean k\u1ebft x\u01b0\u01a1ng s\u1ed1ng khu\u00f4n vi\u00ean\/doanh nghi\u1ec7p d\u00e0i h\u01a1n, c\u00e1c t\u00ecnh hu\u1ed1ng y\u00eau c\u1ea7u t\u1ea7m xa v\u01b0\u1ee3t m\u1ee9c LR nh\u01b0ng ch\u01b0a c\u1ea7n t\u1edbi ZR \u0111\u1ea7y \u0111\u1ee7. <strong>M\u00f4-\u0111un LINK-PP 25GBASE-ER<\/strong> cung c\u1ea5p hi\u1ec7u n\u0103ng m\u1edf r\u1ed9ng n\u00e0y.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>SFP28 ESR (T\u1ea7m ng\u1eafn m\u1edf r\u1ed9ng):<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>M\u00f4 h\u00ecnh LINK-PP:<\/strong> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476088.htm\">LS-MM8525-S3C<\/a><\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7:<\/strong> Laser VCSEL 850nm, \u0111i\u1ed1t quang PIN.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Lo\u1ea1i c\u00e1p quang:<\/strong> S\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 (MMF \u2013 OM4).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>L\u00ean \u0111\u1ebfn 70 m tr\u00ean OM3, 100 m tr\u00ean OM4, 150 m tr\u00ean OM5. Chu\u1ea9n h\u00f3a \u1edf m\u1ee9c 100 m tr\u00ean OM4.<\/strong> L\u00ean \u0111\u1ebfn 300 m tr\u00ean c\u00e1p OM4.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Application:<\/strong> Li\u00ean k\u1ebft Ethernet 25GBASE-SR.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>SFP28 CWDM &amp; DWDM (Ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng):<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7:<\/strong> S\u1eed d\u1ee5ng laser c\u1ee5 th\u1ec3 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing\/\">CWDM<\/a> (18 b\u01b0\u1edbc s\u00f3ng t\u1eeb 1270nm \u0111\u1ebfn 1610nm) ho\u1eb7c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/what-is-dwdm-explaining-dense-wavelength-division-multiplexing\/\">DWDM<\/a> (d\u1ea3i C ho\u1eb7c d\u1ea3i L, kho\u1ea3ng c\u00e1ch b\u01b0\u1edbc s\u00f3ng d\u00e0y \u0111\u1eb7c) .<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Lo\u1ea1i c\u00e1p quang:<\/strong> S\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n (SMF \u2013 OS2).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>L\u00ean \u0111\u1ebfn 70 m tr\u00ean OM3, 100 m tr\u00ean OM4, 150 m tr\u00ean OM5. Chu\u1ea9n h\u00f3a \u1edf m\u1ee9c 100 m tr\u00ean OM4.<\/strong> Th\u00f4ng th\u01b0\u1eddng l\u00e0 LR (10 km), ER (40 km) d\u1ef1a tr\u00ean quang h\u1ecdc n\u1ec1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Application:<\/strong> <strong>T\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng s\u1ee3i quang<\/strong> b\u1eb1ng c\u00e1ch truy\u1ec1n nhi\u1ec1u t\u00edn hi\u1ec7u 25G tr\u00ean c\u00e1c b\u01b0\u1edbc s\u00f3ng kh\u00e1c nhau qua m\u1ed9t c\u1eb7p s\u1ee3i quang duy nh\u1ea5t. Thi\u1ebft y\u1ebfu cho <strong>m\u1ea1ng c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5<\/strong> v\u00e0 c\u00e1c doanh nghi\u1ec7p l\u1edbn c\u1ea7n b\u0103ng th\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. <strong>transceiver quang h\u1ecdc LINK-PP<\/strong> cho ph\u00e9p tri\u1ec3n khai hi\u1ec7u qu\u1ea3 <strong>25G DWDM<\/strong> and <strong>25G CWDM<\/strong> gi\u1ea3i ph\u00e1p.<\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>SFP28 DAC (C\u00e1p \u0111\u1ed3ng g\u1eafn tr\u1ef1c ti\u1ebfp) &amp; AOC (C\u00e1p quang ch\u1ee7 \u0111\u1ed9ng):<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7:<\/strong> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/direct-attach-cables-dac-in-networking\/\">SFF-8472<\/a> s\u1eed d\u1ee5ng c\u00e1p \u0111\u1ed3ng \u0111\u00f4i (twinax) th\u1ee5 \u0111\u1ed9ng v\u1edbi \u0111\u1ea7u n\u1ed1i t\u00edch h\u1ee3p. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/what-is-active-optical-cable-and-how-does-it-work-explained\/\">AOC<\/a> s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n\u2013quang ch\u1ee7 \u0111\u1ed9ng <em>b\u00ean trong \u0111\u1ea7u n\u1ed1i<\/em> v\u1edbi s\u1ee3i quang \u1edf gi\u1eefa.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>L\u00ean \u0111\u1ebfn 70 m tr\u00ean OM3, 100 m tr\u00ean OM4, 150 m tr\u00ean OM5. Chu\u1ea9n h\u00f3a \u1edf m\u1ee9c 100 m tr\u00ean OM4.<\/strong> DAC: Th\u01b0\u1eddng t\u1eeb 1\u20135 m (th\u1ee5 \u0111\u1ed9ng), t\u1ed1i \u0111a 7\u201315 m (ch\u1ee7 \u0111\u1ed9ng). AOC: Th\u01b0\u1eddng t\u1eeb 1 m \u0111\u1ebfn h\u01a1n 30 m.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Application:<\/strong> K\u1ebft n\u1ed1i si\u00eau ng\u1eafn trong c\u00f9ng t\u1ee7 ho\u1eb7c gi\u1eefa c\u00e1c t\u1ee7 li\u1ec1n k\u1ec1. DAC l\u00e0 l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t. AOC mang l\u1ea1i tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 h\u01a1n, \u0111\u1ed9 linh ho\u1ea1t cao h\u01a1n v\u00e0 t\u1ea7m xa l\u1edbn h\u01a1n so v\u1edbi DAC th\u1ee5 \u0111\u1ed9ng. Thi\u1ebft y\u1ebfu cho <strong>tri\u1ec3n khai c\u00f4ng t\u1eafc m\u1eadt \u0111\u1ed9 cao<\/strong>.<\/p><\/li><\/ul><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25bb C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh th\u00fac \u0111\u1ea9y vi\u1ec7c \u00e1p d\u1ee5ng SFP28<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Ki\u1ebfn tr\u00fac spine-leaf trung t\u00e2m d\u1eef li\u1ec7u:<\/strong> SFP28 l\u00e0 ti\u00eau chu\u1ea9n th\u1ef1c t\u1ebf cho k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7 25G (leaf t\u1edbi m\u00e1y ch\u1ee7) v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng cho li\u00ean k\u1ebft uplink t\u1eeb leaf t\u1edbi spine (s\u1eed d\u1ee5ng 4\u00d7SFP28 = 100G).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ea1ng di \u0111\u1ed9ng 5G:<\/strong> Thi\u1ebft y\u1ebfu cho <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/5g-fronthaul-high-speed-low-latency-communication-explained\/\"><strong>fronthaul<\/strong><\/a> (DU t\u1edbi RU) v\u00e0 <strong>midhaul<\/strong> (CU t\u1edbi DU), y\u00eau c\u1ea7u \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 b\u0103ng th\u00f4ng cao.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ea1ng doanh nghi\u1ec7p:<\/strong> N\u00e2ng c\u1ea5p c\u00e1c l\u1edbp l\u00f5i v\u00e0 ph\u00e2n ph\u1ed1i v\u01b0\u1ee3t m\u1ee9c 10G, h\u1ed7 tr\u1ee3 c\u00e1c \u0111i\u1ec3m truy c\u1eadp Wi-Fi 6\/6E\/7 t\u1ed1c \u0111\u1ed9 cao v\u00e0 c\u00e1c li\u00ean k\u1ebft backbone.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao (HPC) &amp; M\u1ea1ng khu v\u1ef1c l\u01b0u tr\u1eef (SAN):<\/strong> Cung c\u1ea5p li\u00ean k\u1ebft n\u1ed9i b\u1ed9 c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 b\u0103ng th\u00f4ng cao cho c\u1ee5m m\u00e1y t\u00ednh v\u00e0 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef (Fibre Channel 32G).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u1ed5ng m\u1ea1ng b\u0103ng th\u00f4ng r\u1ed9ng (BNG) &amp; H\u1ec7 th\u1ed1ng ch\u1ea5m d\u1ee9t modem c\u00e1p (CMTS):<\/strong> X\u1eed l\u00fd nhu c\u1ea7u b\u0103ng th\u00f4ng ng\u00e0y c\u00e0ng t\u0103ng t\u1eeb ng\u01b0\u1eddi d\u00f9ng.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25bb L\u1ef1a ch\u1ecdn module SFP28 ph\u00f9 h\u1ee3p: C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\"><strong>thu ph\u00e1t SFP28 25G<\/strong><\/a> kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch y\u00eau c\u1ea7u &amp; lo\u1ea1i s\u1ee3i quang:<\/strong> Ph\u00f9 h\u1ee3p module (SR\/LR\/ER\/WDM) v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ee3i quang hi\u1ec7n c\u00f3 (MMF\/SMF) v\u00e0 kho\u1ea3ng c\u00e1ch c\u1ea7n thi\u1ebft.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u00ednh t\u01b0\u01a1ng th\u00edch:<\/strong> \u0110\u1ea3m b\u1ea3o <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\"><p>capability.<\/p><\/a> tu\u00e2n th\u1ee7 v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi th\u01b0\u01a1ng hi\u1ec7u v\u00e0 m\u1eabu switch\/router c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. Module SFP28 <strong>optical transceivers<\/strong> t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t uy t\u00edn nh\u01b0 <strong>LINK-PP<\/strong> mang l\u1ea1i kho\u1ea3n ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e1ng k\u1ec3 \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 hi\u1ec7u n\u0103ng. <em>(T\u1eeb kh\u00f3a: t\u00ednh t\u01b0\u01a1ng th\u00edch SFP28, module SFP28 tu\u00e2n th\u1ee7 MSA)<\/em>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u n\u0103ng &amp; \u0110\u1ed9 tin c\u1eady:<\/strong> T\u00ecm ki\u1ebfm c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00e3 tr\u1ea3i qua ki\u1ec3m tra nghi\u00eam ng\u1eb7t (gi\u00e1m s\u00e1t DDM\/DOM, ki\u1ec3m tra t\u1ef7 l\u1ec7 l\u1ed7i bit \u2013 BER) v\u00e0 s\u1eed d\u1ee5ng linh ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>c\u00e1c module quang LINK-PP<\/strong><\/a> \u0111\u01b0\u1ee3c ki\u1ec3m \u0111\u1ecbnh k\u1ef9 l\u01b0\u1ee1ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Chi ph\u00ed:<\/strong> C\u00e2n b\u1eb1ng chi ph\u00ed ban \u0111\u1ea7u v\u1edbi TCO (T\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu), bao g\u1ed3m m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng v\u00e0 \u0111\u1ed9 tin c\u1eady. Tr\u00e1nh c\u00e1c th\u01b0\u01a1ng hi\u1ec7u kh\u00f4ng r\u00f5 ngu\u1ed3n g\u1ed1c, r\u1ee7i ro cao.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Y\u00eau c\u1ea7u WDM:<\/strong> N\u1ebfu s\u1ee3i quang khan hi\u1ebfm, c\u00e1c module SFP28 CWDM ho\u1eb7c DWDM l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 <strong>t\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng s\u1ee3i quang<\/strong>.<\/p><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/23695a8d3cb3446e8275483ef06f9a81.webp\" alt=\"sfp28 module\" class=\"wp-image-5678\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/23695a8d3cb3446e8275483ef06f9a81.webp 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/23695a8d3cb3446e8275483ef06f9a81-300x178.webp 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/23695a8d3cb3446e8275483ef06f9a81-1024x608.webp 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/23695a8d3cb3446e8275483ef06f9a81-768x456.webp 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/23695a8d3cb3446e8275483ef06f9a81-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>LINK-PP: \u0110\u1ed1i t\u00e1c c\u1ee7a b\u1ea1n cho c\u00e1c gi\u1ea3i ph\u00e1p SFP28 hi\u1ec7u n\u0103ng cao<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e0 m\u1ed9t nh\u00e0 \u0111\u1ed5i m\u1edbi h\u00e0ng \u0111\u1ea7u trong l\u0129nh v\u1ef1c m\u1ea1ng quang, <strong>LINK-PP<\/strong> cung c\u1ea5p danh m\u1ee5c \u0111\u1ea7y \u0111\u1ee7 c\u00e1c <strong>module transceiver quang SFP28 ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e1ng tin c\u1eady v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\"><strong>. C\u00e1c module c\u1ee7a ch\u00fang t\u00f4i, bao g\u1ed3m<\/strong><\/a>. 25GBASE-SR <strong>25GBASE-LR<\/strong>, <strong>25GBASE-ER<\/strong>, <strong>25GBASE-ESR<\/strong>, <strong>, c\u0169ng nh\u01b0 nhi\u1ec1u bi\u1ebfn th\u1ec3<\/strong>, kh\u00e1c, \u0111\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m tra nghi\u00eam ng\u1eb7t nh\u1eb1m \u0111\u00e1p \u1ee9ng ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh (IEEE, MSA) v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch li\u1ec1n m\u1ea1ch v\u1edbi c\u00e1c n\u1ec1n t\u1ea3ng OEM l\u1edbn. Ch\u00fang t\u00f4i cung c\u1ea5p <strong>25G CWDM<\/strong>\/<strong>DWDM<\/strong> gi\u1ea3i ph\u00e1p k\u1ebft n\u1ed1i 25G h\u00e0ng \u0111\u1ea7u th\u1ecb tr\u01b0\u1eddng <strong>\u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi \u0111\u1ed9i ng\u0169 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean s\u00e2u.<\/strong> \u25bb K\u1ebft lu\u1eadn: SFP28 \u2013 L\u1ef1a ch\u1ecdn th\u00f4ng minh cho k\u1ebft n\u1ed1i 25G.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>SFP28 \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh v\u1ecb th\u1ebf l\u00e0 gi\u1ea3i ph\u00e1p ch\u1ee7 \u0111\u1ea1o cho k\u1ebft n\u1ed1i 25G v\u00e0 Fibre Channel 32G. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c <strong>v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng SFP+,<\/strong> m\u1eadt \u0111\u1ed9 b\u0103ng th\u00f4ng v\u01b0\u1ee3t tr\u1ed9i, <strong>hi\u1ec7u su\u1ea5t ti\u1ebft ki\u1ec7m \u0111i\u1ec7n tuy\u1ec7t v\u1eddi<\/strong>, <strong>v\u00e0 chi ph\u00ed tr\u00ean m\u1ed7i gigabit h\u1ea5p d\u1eabn<\/strong>, and <strong>khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i, m\u1ea1ng 5G v\u00e0 c\u00e1c backbone doanh nghi\u1ec7p \u0111ang ph\u00e1t tri\u1ec3n. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i<\/strong> SFP28 <strong>\u2013 t\u1eeb<\/strong> \u2013 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng lo\u1ea1i, c\u00e1c nh\u00e0 quy ho\u1ea1ch m\u1ea1ng c\u00f3 th\u1ec3 ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t nh\u1eb1m x\u00e2y d\u1ef1ng m\u1ea1ng l\u01b0\u1edbi c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u n\u0103ng cao. <strong>SR<\/strong> and <strong>LR<\/strong> to <strong>ER<\/strong>, <strong>CWDM<\/strong>, and <strong>DWDM<\/strong> S\u1eb5n s\u00e0ng t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng c\u1ee7a b\u1ea1n v\u1edbi c\u00f4ng ngh\u1ec7 25G?.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>N\u00e2ng c\u1ea5p c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed c\u00f9ng<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">lo\u1ea1t module SFP28 cao c\u1ea5p \u0111a d\u1ea1ng c\u1ee7a ch\u00fang t\u00f4i. <strong>LINK-PP\u2019s<\/strong> Kh\u00e1m ph\u00e1 ngay c\u00e1c gi\u1ea3i ph\u00e1p SFP28 c\u1ee7a ch\u00fang t\u00f4i. <strong>v\u00e0 t\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c<\/strong> module quang \u0111\u00e1ng tin c\u1eady <strong>c\u1ee7a ch\u00fang t\u00f4i n\u00e2ng cao t\u1ed1c \u0111\u1ed9, dung l\u01b0\u1ee3ng v\u00e0 ROI cho m\u1ea1ng c\u1ee7a b\u1ea1n.<\/strong> Li\u00ean h\u1ec7 \u0111\u1ed9i ng\u0169 b\u00e1n h\u00e0ng k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i. <strong>\u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n c\u00e1 nh\u00e2n h\u00f3a khi l\u1ef1a ch\u1ecdn module<\/strong> transceiver 25G <strong>ho\u00e0n h\u1ea3o cho nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n!<\/strong> Module SFP28 25G c\u1ee7a LINK-PP<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u261b <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\">H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u261b <a target=\"_self\" href=\"https:\/\/www.l-p.com\/support.htm\">\u25bb Xem th\u00eam<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>H\u01b0\u1edbng d\u1eabn mua module SFP+ 10G<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/products\/link-pp-10g-sfp-module-selection-guide\/\">So s\u00e1nh SFP-10G-SR v\u00e0 SFP-10G-LR: Gi\u1ea3i th\u00edch chi ti\u1ebft s\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/sfp-10g-sr-vs-sfp-10g-lr-key-differences\/\">So s\u00e1nh c\u00e1p SMF v\u00e0 MMF: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/difference-between-fibers-single-mode-vs-multimode-guide\/\">T\u00ecm hi\u1ec3u v\u1ec1 MSA (Th\u1ecfa thu\u1eadn \u0110a ngu\u1ed3n) trong c\u00e1c module transceiver quang<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\">module sfp28<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>SFP28 l\u00e0 module thu ph\u00e1t quang 25G d\u00e0nh cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u nhanh v\u00e0 hi\u1ec7u qu\u1ea3 trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, mang l\u1ea1i t\u1ed1c \u0111\u1ed9 cao, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>","protected":false},"author":1,"featured_media":5677,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5679","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/5679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/comments?post=5679"}],"version-history":[{"count":4,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/5679\/revisions"}],"predecessor-version":[{"id":11301,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/5679\/revisions\/11301"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media\/5677"}],"wp:attachment":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media?parent=5679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/categories?post=5679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/tags?post=5679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}