{"id":5423,"date":"2025-08-16T00:00:00","date_gmt":"2025-08-16T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/100g-single-mode-qsfp28-module-types\/"},"modified":"2026-06-22T08:23:41","modified_gmt":"2026-06-22T08:23:41","slug":"100g-single-mode-qsfp28-module-types","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/100g-single-mode-qsfp28-module-types","title":{"rendered":"Kh\u00e1m Ph\u00e1 C\u00e1c Lo\u1ea1i B\u1ed9 Thu Ph\u00e1t Quang QSFP28 \u0110\u01a1n M\u00f4-\u0111un 100G"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a277037fdbf465da68d3eb2a9e19044.webp\" alt=\"Comparing 100G Single Mode QSFP28 Module Types and Their Use Cases\" class=\"wp-image-5421\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a277037fdbf465da68d3eb2a9e19044.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a277037fdbf465da68d3eb2a9e19044-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a277037fdbf465da68d3eb2a9e19044-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a277037fdbf465da68d3eb2a9e19044-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a277037fdbf465da68d3eb2a9e19044-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\"><em>\u0110ang g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u ho\u1eb7c c\u00e1c t\u00f2a nh\u00e0 trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng qua kho\u1ea3ng c\u00e1ch h\u00e0ng kil\u00f4m\u00e9t?<\/em><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> The <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm?ca=1516&amp;cv=8480\"><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"><strong>M\u00f4-\u0111un s\u1ee3i quang \u0111\u01a1n mode (SMF) 100G QSFP28<\/strong><\/span><\/a><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> l\u00e0 v\u1ecb \u201cchi\u1ebfn binh\u201d t\u1ed1c \u0111\u1ed9 cao, kho\u1ea3ng c\u00e1ch xa thi\u1ebft y\u1ebfu c\u1ee7a b\u1ea1n. B\u1ed9 ngu\u1ed3n nh\u1ecf g\u1ecdn n\u00e0y gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c k\u1ebft n\u1ed1i then ch\u1ed1t, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u 100Gbps m\u1ea1nh m\u1ebd v\u01b0\u1ee3t xa gi\u1edbi h\u1ea1n c\u1ee7a c\u00e1c gi\u1ea3i ph\u00e1p quang \u0111a mode. C\u00f9ng t\u00ecm hi\u1ec3u l\u00fd do v\u00ec sao n\u00f3 kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 T\u1ea1i sao n\u00ean ch\u1ecdn m\u00f4-\u0111un QSFP28 \u0111\u01a1n mode 100G?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ea1ng hi\u1ec7n \u0111\u1ea1i \u0111\u00f2i h\u1ecfi t\u1ed1c \u0111\u1ed9 <em>and<\/em> v\u00e0 ph\u1ea1m vi ph\u1ee7 s\u00f3ng. Trong khi c\u00e1c gi\u1ea3i ph\u00e1p \u0111a mode \u0111\u1ee7 d\u00f9ng cho c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n ng\u1eafn, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work\/\"><strong>s\u1ee3i quang \u0111\u01a1n mode<\/strong><\/a> l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t \u0111\u1ed1i cho c\u00e1c kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 100 m\u00e9t, th\u01b0\u1eddng \u0111\u1ea1t t\u1edbi <strong>80 km, 40 km, 10 km<\/strong>, or <strong>2km<br><\/strong>. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 l\u00fd do v\u00ec sao c\u00e1c m\u00f4-\u0111un QSFP28 SMF 100G l\u1ea1i v\u00f4 c\u00f9ng quan tr\u1ecdng:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>\ud83c\udf1f Ph\u1ea1m vi m\u1edf r\u1ed9ng:<\/strong> V\u01b0\u1ee3t qua kho\u1ea3ng c\u00e1ch t\u1eeb <strong>2 kil\u00f4m\u00e9t l\u00ean \u0111\u1ebfn 100 kil\u00f4m\u00e9t<\/strong> v\u00e0 xa h\u01a1n n\u1eefa, k\u1ebft n\u1ed1i li\u1ec1n m\u1ea1ch gi\u1eefa c\u00e1c t\u00f2a nh\u00e0, khu\u00f4n vi\u00ean tr\u01b0\u1eddng ho\u1eb7c c\u00e1c v\u1ecb tr\u00ed \u0111\u00f4 th\u1ecb. Ho\u00e0n h\u1ea3o cho <strong>K\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/strong> and <strong>m\u1ea1ng \u0111\u00f4 th\u1ecb (metro networking)<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u26a1 Hi\u1ec7u n\u0103ng cao:<\/strong> Cung c\u1ea5p b\u0103ng th\u00f4ng <strong>100Gbps \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u00e1ng tin c\u1eady<\/strong> (4 k\u00eanh 25Gbps) b\u1eb1ng c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn nh\u01b0 <strong>4WDM<\/strong> or <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\"><strong>PAM4<\/strong><\/a> \u0111\u1ec3 \u0111\u1ea1t ph\u1ea1m vi truy\u1ec1n xa h\u01a1n, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a <strong>c\u1ee5m t\u00ednh to\u00e1n hi\u1ec7u n\u0103ng cao <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-hpc-high-performance-computing\/\"><strong>(T\u00ednh to\u00e1n hi\u1ec7u n\u0103ng cao \u2013 HPC)<\/strong><\/a> and <strong>thi\u1ebft y\u1ebfu cho<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ud83d\udcf6 \u0110\u1ed9 nguy\u00ean v\u1eb9n t\u00edn hi\u1ec7u v\u01b0\u1ee3t tr\u1ed9i:<\/strong> L\u00f5i nh\u1ecf h\u01a1n c\u1ee7a s\u1ee3i SMF gi\u1ea3m thi\u1ec3u s\u1ef1 t\u00e1n s\u1eafc mode, \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u r\u00f5 n\u00e9t h\u01a1n tr\u00ean kho\u1ea3ng c\u00e1ch l\u1edbn so v\u1edbi <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\"><strong>s\u1ee3i quang \u0111a mode (MMF)<\/strong><\/a>. \u0110i\u1ec1u n\u00e0y chuy\u1ec3n th\u00e0nh t\u1ef7 l\u1ec7 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/understanding-what-is-bit-error-rate\/\"><strong>t\u1ef7 l\u1ec7 l\u1ed7i bit (BER)<\/strong><\/a>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ud83d\udca1 Kh\u1ea3 n\u0103ng n\u00e2ng c\u1ea5p trong t\u01b0\u01a1ng lai:<\/strong> \u0110\u1ea7u t\u01b0 v\u00e0o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng SMF mang l\u1ea1i l\u1ed9 tr\u00ecnh r\u00f5 r\u00e0ng \u0111\u1ec3 n\u00e2ng c\u1ea5p trong t\u01b0\u01a1ng lai l\u00ean c\u00e1c t\u1ed1c \u0111\u1ed9 <strong>200G, 400G<\/strong>, v\u00e0 th\u1eadm ch\u00ed cao h\u01a1n n\u1eefa, <strong>800G<\/strong> b\u1eb1ng ch\u00ednh h\u1ec7 th\u1ed1ng s\u1ee3i quang hi\u1ec7n c\u00f3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\ud83d\udd0b Hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng:<\/strong> C\u00e1c m\u00f4-\u0111un hi\u1ec7n \u0111\u1ea1i cung c\u1ea5p hi\u1ec7u n\u0103ng xu\u1ea5t s\u1eafc tr\u00ean m\u1ed7i watt, r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c tri\u1ec3n khai m\u1eadt \u0111\u1ed9 cao v\u00e0 gi\u1ea3m thi\u1ec3u <strong>T\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO)<\/strong>.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 Gi\u1ea3i th\u00edch c\u00e1c lo\u1ea1i m\u00f4-\u0111un QSFP28 \u0111\u01a1n mode 100G<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c m\u00f4-\u0111un QSFP28 SMF 100G \u0111\u1ec1u gi\u1ed1ng nhau. C\u00e1c bi\u1ebfn th\u1ec3 ch\u00ednh ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn v\u00e0 kho\u1ea3ng c\u00e1ch m\u1ee5c ti\u00eau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>\ud83d\udce1 B\u1ed9 thu ph\u00e1t 100GBASE-LR4 \/ 100G LR4 QSFP28:<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>Chu\u1ea9n:<\/strong> IEEE 802.3ba<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> 4 k\u00eanh s\u1eed d\u1ee5ng <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-lwdm-and-why-important-for-lans\/\"><strong>LWDM<\/strong><\/a> c\u00e1c b\u01b0\u1edbc s\u00f3ng (kho\u1ea3ng 1295 nm, 1300 nm, 1304 nm, 1309 nm).<\/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> <strong>L\u00ean t\u1edbi 10 km<\/strong> b\u1eadt <strong>S\u1ee3i quang \u0111\u01a1n mode OS2<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong> \u201cC\u00f4ng c\u1ee5 l\u00e0m vi\u1ec7c chu\u1ea9n\u201d cho c\u00e1c li\u00ean k\u1ebft n\u1ed9i khu\u00f4n vi\u00ean v\u00e0 li\u00ean k\u1ebft gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u (DCI) l\u00ean \u0111\u1ebfn 10 km.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u00f4 h\u00ecnh LINK-PP: <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\"><strong>LQ-LW100-LR4C<br><\/strong><\/a><\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\ud83d\udce1 M\u00f4-\u0111un 100GBASE-ER4 \/ 100G ER4 QSFP28:<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>Chu\u1ea9n:<\/strong> IEEE 802.3ba (Ph\u1ea1m vi m\u1edf r\u1ed9ng \u2013 Extended Reach)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> 4 k\u00eanh s\u1eed d\u1ee5ng <strong>LAN-WDM<\/strong> c\u00e1c b\u01b0\u1edbc s\u00f3ng.<\/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> <strong>L\u00ean \u0111\u1ebfn 40 km<\/strong> tr\u00ean s\u1ee3i SMF OS2.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong> Li\u00ean k\u1ebft DCI v\u00e0 v\u00f2ng metro \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u00f4 h\u00ecnh LINK-PP: <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472708.htm\"><strong>LQ-LW100-ER4C<\/strong><\/a><\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\ud83d\udcf6 M\u00f4-\u0111un 100G ZR4 QSFP28 (th\u01b0\u1eddng l\u00e0 lo\u1ea1i coherent):<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>Chu\u1ea9n:<\/strong> Th\u01b0\u1eddng d\u1ef1a tr\u00ean c\u00e1c Th\u1ecfa thu\u1eadn Tri\u1ec3n khai c\u1ee7a OIF ho\u1eb7c c\u00f4ng ngh\u1ec7 \u0111\u1ed9c quy\u1ec1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7:<\/strong> . Kho\u1ea3ng c\u00e1ch l\u00ean t\u1edbi 2 km (v\u00ed d\u1ee5: chu\u1ea9n 1000BASE-SX). Ph\u1ed5 bi\u1ebfn cho c\u00e1c li\u00ean k\u1ebft trong t\u00f2a nh\u00e0 ho\u1eb7c khu\u00f4n vi\u00ean. <strong>quang h\u1ecdc k\u1ebft h\u1ee3p<br><\/strong> v\u00e0 \u0111i\u1ec1u ch\u1ebf n\u00e2ng cao (v\u00ed d\u1ee5:, <strong>K\u1ef9 thu\u1eadt \u0111i\u1ec1u ch\u1ebf QPSK ph\u00e2n c\u1ef1c k\u00e9p (DP-QPSK)<\/strong>).<\/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> <strong>L\u00ean \u0111\u1ebfn 80km<\/strong> ho\u1eb7c th\u1eadm ch\u00ed <strong>Tr\u00ean 100 km<\/strong> tr\u00ean s\u1ee3i SMF OS2.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong> K\u1ebft n\u1ed1i d\u1eef li\u1ec7u trung t\u00e2m (DCI) \u0111\u01b0\u1eddng d\u00e0i, m\u1ea1ng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5. (L\u01b0u \u00fd: Th\u01b0\u1eddng ti\u00eau th\u1ee5 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n LR4\/ER4).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u00f4 h\u00ecnh LINK-PP: <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482513.htm\"><strong>LQ-LW100-ZR4C<br><\/strong><\/a><\/p><\/li><\/ul><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>\ud83d\udcf6 100G DR\/FR\/LR (D\u1ef1a tr\u00ean PAM4 \u2013 v\u00ed d\u1ee5: 100G-FR1\/100G-LR1):<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><strong>Chu\u1ea9n:<\/strong> IEEE 802.3cu (<strong>100G qua<\/strong> <strong>Single Lambda<\/strong>)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7:<\/strong> chuy\u1ec3n m\u1ea1ch ch\u1ecdn l\u1ecdc b\u01b0\u1edbc s\u00f3ng d\u1ef1a tr\u00ean WSS <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\"><strong>\u0110i\u1ec1u ch\u1ebf PAM4<\/strong><\/a> \u0111\u1ec3 truy\u1ec1n 100 Gbps qua m\u1ed9t <em>single<\/em> b\u01b0\u1edbc s\u00f3ng\/tia laser.<\/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> <strong>DR (500 m)<\/strong> th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1p quang \u0111a mode (MMF), <strong>FR (2 km)<\/strong> and <strong>LR (10 km)<br><\/strong> s\u1eed d\u1ee5ng c\u00e1p quang \u0111\u01a1n mode (SMF).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong> Cung c\u1ea5p gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n h\u01a1n, c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n cho c\u00e1c kho\u1ea3ng c\u00e1ch c\u1ee5 th\u1ec3 (2 km, 10 km) b\u1eb1ng c\u00e1ch ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t ho\u1eb7c hai s\u1ee3i quang (c\u00e1c bi\u1ebfn th\u1ec3 BiDi t\u1ed3n t\u1ea1i).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u00f4 h\u00ecnh LINK-PP: <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482616.htm\"><strong>LQ-SM31100-DR1C<\/strong><\/a><\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt &amp; ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t ch\u00ednh<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Gi\u00e1 tr\u1ecb\/th\u00f4ng s\u1ed1 \u0111i\u1ec3n h\u00ecnh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>\u00dd ngh\u0129a<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>25Gbps<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100 Gbps (4\u00d725G NRZ ho\u1eb7c 1\u00d7\/2\u00d7 PAM4)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i \u2013 k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>10km, 20km, 40km<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2 km, 10 km, 40 km, 80 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>X\u00e1c \u0111\u1ecbnh ph\u1ea1m vi \u1ee9ng d\u1ee5ng (DCI, \u0111\u00f4 th\u1ecb, khu\u00f4n vi\u00ean).<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Lo\u1ea1i s\u1ee3i<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i quang \u0111\u01a1n mode OS2<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch \u0111\u00e3 n\u00eau.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>B\u01b0\u1edbc s\u00f3ng<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>CWDM, LAN-WDM, B\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3 (PAM4)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc v\u00e0 b\u1ed9 l\u1ecdc.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ea7u n\u1ed1i<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ea7u n\u1ed1i LC hai chi\u1ec1u (Duplex LC)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Giao di\u1ec7n chu\u1ea9n cho b\u1ea3ng \u0111\u1ea5u n\u1ed1i s\u1ee3i quang \u0111\u01a1n mode (SMF).<\/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>Kho\u1ea3ng 3,5 W \u2013 6 W tr\u1edf l\u00ean<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn m\u1eadt \u0111\u1ed9, l\u00e0m m\u00e1t v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh (TCO).<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>DDM\/DOM<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00f3<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ddm-dom-in-optical-transceivers\/\"><strong>Gi\u00e1m s\u00e1t ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1<\/strong><\/a> r\u1ea5t quan tr\u1ecdng cho vi\u1ec7c b\u1ea3o tr\u00ec ch\u1ee7 \u0111\u1ed9ng.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 T\u1ea1i sao n\u00ean ch\u1ecdn LINK-PP cho nhu c\u1ea7u QSFP28 \u0111\u01a1n mode 100G c\u1ee7a b\u1ea1n?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0086ff9cf16c4136afdc46bfa6ac70f6.webp\" alt=\"100g qsfp28 transceivers\" class=\"wp-image-5422\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0086ff9cf16c4136afdc46bfa6ac70f6.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0086ff9cf16c4136afdc46bfa6ac70f6-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0086ff9cf16c4136afdc46bfa6ac70f6-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0086ff9cf16c4136afdc46bfa6ac70f6-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0086ff9cf16c4136afdc46bfa6ac70f6-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Khi tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng <strong>quang h\u1ecdc 100G<\/strong>, \u0111\u1ed9 tin c\u1eady, hi\u1ec7u n\u0103ng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> cung c\u1ea5p s\u1ea3n ph\u1ea9m quang h\u1ecdc cao c\u1ea5p <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>100G QSFP28 ch\u1ea5t l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch<br><\/strong><\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf tinh x\u1ea3o v\u00ec s\u1ef1 xu\u1ea5t s\u1eafc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u2705 Ki\u1ec3m tra t\u01b0\u01a1ng th\u00edch nghi\u00eam ng\u1eb7t:<\/strong> \u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c ho\u00e0n to\u00e0n v\u1edbi c\u00e1c switch v\u00e0 router OEM l\u1edbn (Cisco, Juniper, Arista, NVIDIA, v.v.), tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 <strong>t\u01b0\u01a1ng th\u00edch m\u1ea1ng t\u1ed1n k\u00e9m<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u2705 Ch\u1ea5t l\u01b0\u1ee3ng tuy\u1ec7t \u0111\u1ed1i:<\/strong> S\u1ea3n xu\u1ea5t theo ti\u00eau chu\u1ea9n cao nh\u1ea5t, \u0111\u1ea3m b\u1ea3o t\u1ef7 l\u1ec7 l\u1ed7i th\u1ea5p <strong>t\u1ef7 l\u1ec7 l\u1ed7i bit (BER)<\/strong> v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i cho h\u1ec7 th\u1ed1ng <strong>t\u1ed1c \u0111\u1ed9 cao c\u1ee7a b\u1ea1n<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u2705 H\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 DDM\/DOM:<\/strong> Gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec7n \u00e1p, c\u00f4ng su\u1ea5t ph\u00e1t\/nh\u1eadn (Tx\/Rx) nh\u1eb1m <strong>qu\u1ea3n l\u00fd m\u1ea1ng ch\u1ee7 \u0111\u1ed9ng<\/strong> v\u00e0 ch\u1ea9n \u0111o\u00e1n s\u1ef1 c\u1ed1 \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u2705 Gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed:<\/strong> \u0110\u01b0a ra hi\u1ec7u n\u0103ng c\u1ea5p doanh nghi\u1ec7p m\u00e0 kh\u00f4ng k\u00e8m m\u1ee9c gi\u00e1 cao c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m quang h\u1ecdc th\u01b0\u01a1ng hi\u1ec7u, gi\u1ea3m \u0111\u00e1ng k\u1ec3 <strong>chi ph\u00ed m\u1ea1ng quang h\u1ecdc<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u00e1m ph\u00e1 c\u00e1c module LINK-PP QSFP28 \u0111\u01a1n mode 100G hi\u1ec7u n\u0103ng cao c\u1ee7a ch\u00fang t\u00f4i:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\"><strong>LQ-LW100-LR4C<br><\/strong><\/a><strong>:<\/strong> Gi\u1ea3i ph\u00e1p ti\u00eau chu\u1ea9n l\u00fd t\u01b0\u1edfng cho kho\u1ea3ng c\u00e1ch 10 km. Ho\u00e0n h\u1ea3o cho <strong>k\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u<\/strong> v\u00e0 x\u01b0\u01a1ng s\u1ed1ng m\u1ea1ng khu\u00f4n vi\u00ean.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472708.htm\"><strong>LQ-LW100-ER4C<\/strong><\/a><strong>:<\/strong> Gi\u1ea3i quy\u1ebft c\u00e1c kho\u1ea3ng c\u00e1ch xa h\u01a1n l\u00ean t\u1edbi 40 km cho c\u00e1c \u1ee9ng d\u1ee5ng <strong>Ethernet \u0111\u00f4 th\u1ecb<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482513.htm\"><strong>LQ-LW100-ZR4C<br><\/strong><\/a><strong>:<\/strong> Chinh ph\u1ee5c c\u00e1c li\u00ean k\u1ebft DCI \u0111\u01b0\u1eddng d\u00e0i y\u00eau c\u1ea7u cao tr\u00ean 80 km <strong>b\u1eb1ng c\u00f4ng ngh\u1ec7 quang h\u1ecdc \u0111\u1ed3ng pha (coherent technology).<\/strong> (coherent technology).<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482616.htm\"><strong>LQ-SM31100-DR1C:<\/strong><\/a> C\u00e1c t\u00f9y ch\u1ecdn hi\u1ec7u qu\u1ea3 d\u1ef1a tr\u00ean PAM4 cho kho\u1ea3ng c\u00e1ch 2 km\/10 km, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1p quang.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\ude80 S\u1eb5n s\u00e0ng n\u00e2ng c\u1ea5p m\u1ea1ng c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng t\u01b0\u01a1ng lai v\u1edbi gi\u1ea3i ph\u00e1p 100G \u0111\u00e1ng tin c\u1eady?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eebng \u0111\u1ec3 kho\u1ea3ng c\u00e1ch gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng c\u1ee7a b\u1ea1n. <strong>LINK-PP<\/strong>\u2018C\u00e1c module QSFP28 ch\u1ebf \u0111\u1ed9 \u0111\u01a1n 100G ch\u1ea5t l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch c\u1ee7a <em>\u2019s<\/em> cung c\u1ea5p k\u1ebft n\u1ed1i m\u1ea1nh m\u1ebd, t\u1ea7m xa \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00e1t tri\u1ec3n li\u00ean t\u1ee5c c\u1ee7a m\u1ea1ng b\u1ea1n. \u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng li\u1ec1n m\u1ea1ch v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udc49 Duy\u1ec7t to\u00e0n b\u1ed9 danh m\u1ee5c module QSFP28 100G c\u1ee7a ch\u00fang t\u00f4i v\u00e0 y\u00eau c\u1ea7u b\u00e1o gi\u00e1 ngay h\u00f4m nay! <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>Source now \u279e<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u2705 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa c\u00e1c module LR4 v\u00e0 ER4 l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module LR4 ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi t\u1ed1i \u0111a 10 km. C\u00e1c module ER4 c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 40 km. C\u00e1c module ER4 ti\u00eau th\u1ee5 nhi\u1ec1u \u0111i\u1ec7n n\u0103ng h\u01a1n. Ch\u00fang th\u01b0\u1eddng c\u1ea7n h\u1ed7 tr\u1ee3 b\u1ed5 sung cho c\u00e1c \u0111\u01b0\u1eddng c\u00e1p quang d\u00e0i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >K\u1ef9 s\u01b0 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p c\u00e1c lo\u1ea1i module QSFP28 kh\u00e1c nhau trong c\u00f9ng m\u1ed9t m\u1ea1ng kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ef9 s\u01b0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi c\u00e1c lo\u1ea1i module kh\u00e1c nhau. C\u00e1c module ph\u1ea3i tu\u00e2n th\u1ee7 c\u00f9ng m\u1ed9t ti\u00eau chu\u1ea9n. Lu\u00f4n ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch gi\u1eefa thi\u1ebft b\u1ecb v\u00e0 c\u00e1p quang tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ea1i sao m\u1ed9t s\u1ed1 module s\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i MPO thay v\u00ec \u0111\u1ea7u n\u1ed1i LC duplex?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea7u n\u1ed1i MPO cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u \u0111\u1ed3ng th\u1eddi tr\u00ean nhi\u1ec1u s\u1ee3i quang. \u0110i\u1ec1u n\u00e0y h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1p v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao trong kh\u00f4ng gian ng\u1eafn, v\u00ed d\u1ee5 nh\u01b0 c\u00e1c t\u1ee7 m\u00e1y ch\u1ee7 l\u1edbn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec1u ch\u1ebf PAM4 c\u1ea3i thi\u1ec7n vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u ch\u1ebf PAM4 cho ph\u00e9p truy\u1ec1n nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n tr\u00ean m\u1ed7i b\u01b0\u1edbc s\u00f3ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u1ed1c \u0111\u1ed9 nhanh h\u01a1n m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam s\u1ee3i quang. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao m\u1edbi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 c\u00e1c lo\u1ea1i m\u00f4-\u0111un QSFP28 \u0111\u01a1n m\u00f4-\u0111un 100G theo kho\u1ea3ng c\u00e1ch, chi ph\u00ed v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t cho trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng \u0111\u00f4 th\u1ecb ho\u1eb7c m\u1ea1ng truy\u1ec1n d\u1eabn xa.<\/p>","protected":false},"author":1,"featured_media":5421,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[13],"class_list":["post-5423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-100g-modules"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5423","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=5423"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5423\/revisions"}],"predecessor-version":[{"id":11249,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5423\/revisions\/11249"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5421"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}