{"id":3469,"date":"2025-12-03T17:10:00","date_gmt":"2025-12-03T17:10:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/100g-lr4-vs-cwdm4-vs-psm4-best-100g-transceiver-choice\/"},"modified":"2026-06-22T04:23:12","modified_gmt":"2026-06-22T04:23:12","slug":"100g-lr4-vs-cwdm4-vs-psm4-best-100g-transceiver-choice","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/100g-lr4-vs-cwdm4-vs-psm4-best-100g-transceiver-choice","title":{"rendered":"100G LR4 so s\u00e1nh v\u1edbi CWDM4 v\u00e0 PSM4: B\u1ed9 thu ph\u00e1t 100G n\u00e0o l\u00e0 t\u1ed1t nh\u1ea5t cho m\u1ea1ng c\u1ee7a b\u1ea1n"},"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\/86e1678f03cf4d59bed7f145d5fb0523.webp\" alt=\"100G LR4 vs CWDM4 vs PSM4\" class=\"wp-image-3467\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/86e1678f03cf4d59bed7f145d5fb0523.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/86e1678f03cf4d59bed7f145d5fb0523-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/86e1678f03cf4d59bed7f145d5fb0523-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/86e1678f03cf4d59bed7f145d5fb0523-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/86e1678f03cf4d59bed7f145d5fb0523-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ebf gi\u1edbi c\u00f3 m\u1ee9c \u0111\u1ed9 r\u1ee7i ro cao c\u1ee7a c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng hi\u1ec7u n\u0103ng cao, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>b\u1ed9 thu ph\u00e1t quang 100G<br><\/strong><\/a> l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh then ch\u1ed1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u n\u0103ng, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu. Th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay do ba lo\u1ea1i thi\u1ebft b\u1ecb ch\u1ee7 l\u1ef1c th\u1ed1ng tr\u1ecb:<br> <strong>d\u1ea1ng th\u1ee9c QSFP28<\/strong> . Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i gi\u1eefa ch\u00fang l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 v\u00e0 k\u1ef9 s\u01b0 m\u1ea1ng.<br> <strong>100G LR4<\/strong>, <strong>CWDM4<\/strong>, and <strong>PSM4<\/strong>. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft ba ti\u00eau chu\u1ea9n quang 100G ph\u1ed5 bi\u1ebfn n\u00e0y, gi\u00fap b\u1ea1n \u0111\u01b0a ra l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh, b\u1ea5t k\u1ec3 l\u00e0 cho<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">, ki\u1ebfn tr\u00fac spine-leaf hay c\u00e1c backbone doanh nghi\u1ec7p c\u00f3 dung l\u01b0\u1ee3ng cao.<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\"><strong>k\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/strong><\/a>, cho c\u00e1c k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch xa l\u00ean t\u1edbi 10 km. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u trong c\u00f9ng khu\u00f4n vi\u00ean ho\u1eb7c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ed1.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \u0110i\u1ec3m n\u1ed5i b\u1eadt<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ch\u1ecdn <strong>100G LR4<\/strong> Ch\u1ecdn<br>.<\/p><\/li><li><p>cho c\u00e1c k\u1ebft n\u1ed1i t\u1ea7m trung l\u00ean t\u1edbi 2 km. Gi\u1ea3i ph\u00e1p n\u00e0y c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u n\u0103ng, th\u00edch h\u1ee3p cho c\u00e1c k\u1ebft n\u1ed1i trong ph\u1ea1m vi t\u00f2a nh\u00e0 l\u1edbn.<br> <strong>100G CWDM4<\/strong> cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn l\u00ean t\u1edbi 500 m\u00e9t. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 ho\u00e0n h\u1ea3o \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb trong c\u00f9ng m\u1ed9t gi\u00e1 rack ho\u1eb7c h\u00e0ng rack.<br>.<\/p><\/li><li><p>H\u00e3y l\u1ef1a ch\u1ecdn <strong>100G PSM4<\/strong> H\u00e3y xem x\u00e9t kho\u1ea3ng c\u00e1ch, ng\u00e2n s\u00e1ch, lo\u1ea1i c\u00e1p v\u00e0 nhu c\u1ea7u \u1ee9ng d\u1ee5ng khi l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u nh\u1ea5t cho m\u1ea1ng c\u1ee7a m\u00ecnh.<br>.<\/p><\/li><li><p>S\u1eed d\u1ee5ng b\u1ea3ng h\u01b0\u1edbng d\u1eabn ra quy\u1ebft \u0111\u1ecbnh trong b\u00e0i blog \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh l\u1ef1a ch\u1ecdn. B\u1ea3ng n\u00e0y gi\u00fap b\u1ea1n kh\u1edbp c\u00e1c y\u00eau c\u1ea7u m\u1ea1ng v\u1edbi b\u1ed9 thu ph\u00e1t quang 100G ph\u00f9 h\u1ee3p.<br>.<\/p><\/li><li><p>\u27a4 Ch\u01b0\u01a1ng 1: Gi\u1ea3i th\u00edch c\u00e1c c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>100G LR4 (T\u1ea7m xa 4)<br><\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>B\u1ed9 thu ph\u00e1t quang 100G LR4<br><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\"><strong>\u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi<br><\/strong><\/a> . Thi\u1ebft b\u1ecb n\u00e0y s\u1eed d\u1ee5ng<br> <strong>ti\u00eau chu\u1ea9n IEEE 802.3ba<\/strong>. \u0111\u1ec3 k\u1ebft h\u1ee3p b\u1ed1n b\u01b0\u1edbc s\u00f3ng (kho\u1ea3ng 1310 nm) v\u00e0o m\u1ed9t s\u1ee3i c\u00e1p quang \u0111\u01a1n mode ti\u00eau chu\u1ea9n,<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\"><strong>\u0110a h\u1ee3p ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM)<\/strong><\/a> \u0111\u1ea1t t\u1ea7m xa t\u1ed1i \u0111a l\u00ean t\u1edbi<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work\/\"><strong>v\u00e0 s\u1ee3i quang \u0111\u01a1n mode (SMF)<\/strong><\/a>, . \u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p tr\u01b0\u1edfng th\u00e0nh v\u00e0 t\u01b0\u01a1ng th\u00edch cao, th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ea5y trong c\u00e1c m\u1ea1ng khu\u00f4n vi\u00ean v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng DCI t\u1ea7m xa h\u01a1n.<br> <strong>10 km<\/strong>. 100G CWDM4 (\u0110a gh\u00e9p k\u00eanh theo b\u01b0\u1edbc s\u00f3ng th\u00f4 \u2013 4)<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt CWDM4 c\u0169ng s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 WDM nh\u01b0ng \u00e1p d\u1ee5ng b\u1ed1n b\u01b0\u1edbc s\u00f3ng CWDM trong d\u1ea3i 1271\u20131331 nm. M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a n\u00f3 l\u00e0<br><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CWDM4 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\"><strong><p>capability.<\/p><\/strong><\/a> tr\u00ean c\u00e1p quang \u0111\u01a1n mode hai s\u1ee3i (duplex).<br> <strong>v\u1edbi chi ph\u00ed hi\u1ec7u qu\u1ea3<\/strong> Quang h\u1ecdc CWDM4<br>. <strong>\u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n th\u1ef1c t\u1ebf cho c\u00e1c k\u1ebft n\u1ed1i chi ph\u00ed hi\u1ec7u qu\u1ea3 \u1edf t\u1ea7m trung trong v\u00e0 gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng h\u1ea5p d\u1eabn gi\u1eefa hi\u1ec7u n\u0103ng v\u00e0 gi\u00e1 c\u1ea3.<br><\/strong> 100G PSM4 (\u0110\u01a1n mode song song \u2013 4).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>3. 100G PSM4 (Parallel Single-Mode 4)<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi PSM4 MSA, c\u00f4ng ngh\u1ec7 n\u00e0y ti\u1ebfp c\u1eadn theo m\u1ed9t c\u00e1ch kh\u00e1c. N\u00f3 s\u1eed d\u1ee5ng<br> <strong>quang h\u1ecdc song song<br><\/strong>, truy\u1ec1n v\u00e0 nh\u1eadn tr\u00ean b\u1ed1n k\u00eanh (s\u1ee3i quang) theo m\u1ed7i h\u01b0\u1edbng qua m\u1ed9t<br> <strong>c\u00e1p ruy-b\u0103ng s\u1ee3i \u0111\u01a1n ch\u1ebf \u0111\u1ed9 8 s\u1ee3i<br><\/strong> ho\u1eb7c \u0111\u1ea7u n\u1ed1i MTP\/MPO. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho kho\u1ea3ng c\u00e1ch<br> <strong>t\u1eeb 500 m \u0111\u1ebfn 2 km<br><\/strong> ,<br>, <strong>c\u00e1c m\u00f4-\u0111un PSM4<br><\/strong> \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111i d\u00e2y c\u00f3 m\u1eadt \u0111\u1ed9 cao v\u00e0 c\u00f3 c\u1ea5u tr\u00fac nh\u01b0 c\u00e1c li\u00ean k\u1ebft n\u1ed9i trung t\u00e2m d\u1eef li\u1ec7u.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 Ch\u01b0\u01a1ng 2: So s\u00e1nh tr\u1ef1c ti\u1ebfp<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft nh\u1eefng kh\u00e1c bi\u1ec7t k\u1ef9 thu\u1eadt v\u00e0 v\u1eadn h\u00e0nh ch\u00ednh:<br><\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\"><strong>B\u1ed9 thu ph\u00e1t 100G LR4<br><\/strong><\/a><strong> (IEEE)<br><\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472577.htm\"><strong>B\u1ed9 thu ph\u00e1t 100G CWDM4<br><\/strong><\/a><strong> (MSA)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488422.htm\"><strong>B\u1ed9 thu ph\u00e1t 100G PSM4<br><\/strong><\/a><strong> (MSA)<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>10km, 20km, 40km<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00ean t\u1edbi 10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 2 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00ean \u0111\u1ebfn 2 km (th\u01b0\u1eddng l\u00e0 500 m)<br><\/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>4 b\u01b0\u1edbc s\u00f3ng LAN WDM (~1310 nm)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>4 b\u01b0\u1edbc s\u00f3ng CWDM (1271\u20131331 nm)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>4 b\u01b0\u1edbc s\u00f3ng \u0111\u01a1n (v\u00ed d\u1ee5: 1310 nm)<br><\/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 ch\u1ebf \u0111\u1ed9 duplex (SMF)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 duplex (SMF)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ruy-b\u0103ng s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 8 s\u1ee3i (MTP\/MPO)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>S\u1ed1 s\u1ee3i<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2 s\u1ee3i (Tx\/Rx)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2 s\u1ee3i (Tx\/Rx)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>8 s\u1ee3i (4 Tx, 4 Rx)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chu\u1ea9n h\u00f3a, t\u1ea7m xa<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Hi\u1ec7u qu\u1ea3 chi ph\u00ed cho kho\u1ea3ng c\u00e1ch 2 km, s\u1ee3i duplex<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed m\u00f4-\u0111un th\u1ea5p h\u01a1n, c\u00f4ng su\u1ea5t \u1ed5n \u0111\u1ecbnh<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Khu\u00f4n vi\u00ean\/Doanh nghi\u1ec7p, li\u00ean k\u1ebft li\u00ean trung t\u00e2m d\u1eef li\u1ec7u (DCI) d\u00e0i<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft li\u00ean trung t\u00e2m d\u1eef li\u1ec7u (\u22642 km)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft n\u1ed9i trung t\u00e2m d\u1eef li\u1ec7u, li\u00ean k\u1ebft ruy-b\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea5u n\u1ed1i s\u1eb5n<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng c\u00e1p<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung b\u00ecnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p h\u01a1n (m\u00f4-\u0111un), cao h\u01a1n (\u0111i d\u00e2y)<br><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 Ch\u01b0\u01a1ng 3: L\u1ef1a ch\u1ecdn \u0111\u00fang cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o kho\u1ea3ng c\u00e1ch, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ee3i quang v\u00e0 ng\u00e2n s\u00e1ch.<br>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Ch\u1ecdn 100G LR4<br><\/strong> khi b\u1ea1n c\u1ea7n m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng v\u00e0 chu\u1ea9n h\u00f3a cho kho\u1ea3ng c\u00e1ch<br> <strong>l\u00ean \u0111\u1ebfn 10 km<\/strong> v\u00e0 \u0111ang k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c khu\u00f4n vi\u00ean ho\u1eb7c gi\u1eefa c\u00e1c c\u01a1 s\u1edf c\u00e1ch xa nhau. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho<br> <strong>li\u00ean k\u1ebft li\u00ean trung t\u00e2m d\u1eef li\u1ec7u \u0111\u01b0\u1eddng d\u00e0i<br><\/strong> n\u01a1i s\u1ee3i quang duplex \u0111\u00e3 \u0111\u01b0\u1ee3c tri\u1ec3n khai.<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ch\u1ecdn 100G CWDM4<br><\/strong> cho ph\u1ea7n l\u1edbn c\u00e1c t\u00ecnh hu\u1ed1ng<br> <strong>li\u00ean k\u1ebft li\u00ean trung t\u00e2m d\u1eef li\u1ec7u 2 km<br><\/strong> Gi\u1ea3i ph\u00e1p n\u00e0y mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t nh\u1ea5t, s\u1eed d\u1ee5ng s\u1ee3i quang LC duplex \u0111\u01a1n gi\u1ea3n, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p m\u1ea1nh m\u1ebd v\u00e0 c\u00f3 chi ph\u00ed th\u1ea5p h\u01a1n LR4 \u1edf kho\u1ea3ng c\u00e1ch n\u00e0y. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho<br> <strong>m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<br><\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ch\u1ecdn 100G PSM4<br><\/strong> khi ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t<br> <strong>, thi\u1ebft k\u1ebf<\/strong> m\u00f4i tr\u01b0\u1eddng c\u00f3 h\u1ec7 th\u1ed1ng s\u1ee3i quang song song c\u00f3 c\u1ea5u tr\u00fac (c\u00e1c \u0111\u01b0\u1eddng c\u00e1p MTP\/MPO). Gi\u1ea3i ph\u00e1p n\u00e0y t\u1ecfa s\u00e1ng trong c\u00e1c k\u1ebft n\u1ed1i<br> <strong>t\u1eeb \u0111\u1ea7u t\u1ee7 (ToR) \u0111\u1ebfn spine<br><\/strong> ho\u1eb7c k\u1ebft n\u1ed1i n\u1ed9i c\u1ee5m d\u01b0\u1edbi 500 m, n\u01a1i chi ph\u00ed b\u1ed9 thu ph\u00e1t th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 b\u00f9 \u0111\u1eafp chi ph\u00ed ban \u0111\u1ea7u cho h\u1ec7 th\u1ed1ng \u0111i d\u00e2y.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 Ch\u01b0\u01a1ng 4: T\u1eadp trung v\u00e0o c\u00e1c m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang<br><\/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\/96c2fc69d193491587b2e45fae65797e.webp\" alt=\"qsfp28 100g optical transceivers\" class=\"wp-image-3468\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96c2fc69d193491587b2e45fae65797e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96c2fc69d193491587b2e45fae65797e-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96c2fc69d193491587b2e45fae65797e-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96c2fc69d193491587b2e45fae65797e-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96c2fc69d193491587b2e45fae65797e-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00e1i tim c\u1ee7a b\u1ea5t k\u1ef3 li\u00ean k\u1ebft 100G n\u00e0o l\u00e0<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang QSFP28<\/strong><\/a>. C\u00e1c m\u00f4-\u0111un c\u00f3 kh\u1ea3 n\u0103ng c\u1eafm n\u00f3ng n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 h\u00e0ng h\u00f3a th\u00f4ng th\u01b0\u1eddng; ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u1ec1 hi\u1ec7u n\u0103ng v\u00e0 t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng. Khi l\u1ef1a ch\u1ecdn c\u00e1c m\u00f4-\u0111un, h\u00e3y c\u00e2n nh\u1eafc c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng, d\u1ea3i nhi\u1ec7t \u0111\u1ed9 (th\u01b0\u01a1ng m\u1ea1i so v\u1edbi c\u00f4ng nghi\u1ec7p) v\u00e0 <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 (DDM\/DOM)<\/strong><\/a> c\u00e1c kh\u1ea3 n\u0103ng kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 \u0111ang t\u00ecm ki\u1ebfm c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady, hi\u1ec7u n\u0103ng cao, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> cung c\u1ea5p danh m\u1ee5c \u0111\u1ea7y \u0111\u1ee7 c\u00e1c <strong>100G QSFP28 ch\u1ea5t l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch<br><\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u1eaft khe. M\u1ed9t v\u00ed d\u1ee5 ti\u00eau bi\u1ec3u l\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472577.htm\"><strong>m\u00f4-\u0111un LINK-PP QSFP28-100G-CWDM4<\/strong><\/a> , tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 ti\u00eau chu\u1ea9n CWDM4 MSA, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c li\u1ec1n m\u1ea1ch cho c\u00e1c k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch 2 km \u0111\u1ed3ng th\u1eddi cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng gi\u00e1m s\u00e1t m\u1ea1nh m\u1ebd nh\u1eb1m n\u00e2ng cao kh\u1ea3 n\u0103ng quan s\u00e1t m\u1ea1ng. T\u01b0\u01a1ng t\u1ef1, \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng quang h\u1ecdc song song, m\u00f4-\u0111un <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488422.htm\"><strong>LINK-PP QSFP28-100G-PSM4<\/strong><\/a> mang l\u1ea1i hi\u1ec7u n\u0103ng \u1ed5n \u0111\u1ecbnh cho c\u00e1c k\u1ebft n\u1ed1i l\u00f5i trung t\u00e2m d\u1eef li\u1ec7u, t\u1eeb \u0111\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn th\u00f4ng minh cho <strong>c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng trung t\u00e2m d\u1eef li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p style=\"margin: 0px;\"><strong>M\u1eb9o chuy\u00ean gia:<\/strong> Lu\u00f4n x\u00e1c minh t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a m\u00f4-\u0111un v\u1edbi th\u01b0\u01a1ng hi\u1ec7u b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t uy t\u00edn nh\u01b0 <strong>LINK-PP<\/strong> \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i v\u00e0 cung c\u1ea5p h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro tri\u1ec3n khai v\u00e0 t\u1ed1i \u01b0u h\u00f3a <strong>\u0111i\u1ec1u ch\u1ec9nh hi\u1ec7u su\u1ea5t m\u1ea1ng<\/strong>.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 K\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng c\u00f3 gi\u1ea3i ph\u00e1p \u201cm\u1ed9t k\u00edch c\u1ee1 ph\u00f9 h\u1ee3p v\u1edbi t\u1ea5t c\u1ea3\u201d trong l\u0129nh v\u1ef1c <strong>so s\u00e1nh LR4 100G so v\u1edbi CWDM4 so v\u1edbi PSM4<\/strong> n\u00e0y.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>LR4<\/strong> v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho <strong>ti\u00eau chu\u1ea9n truy\u1ec1n d\u1eabn \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n<\/strong> k\u1ebft n\u1ed1i.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>CWDM4<\/strong> \u0111\u00e3 chi\u1ebfm l\u0129nh th\u1ecb tr\u01b0\u1eddng cho <strong>k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u (DCI) \u1edf kho\u1ea3ng c\u00e1ch 2 km<\/strong> nh\u1edd v\u00e0o chi ph\u00ed th\u1ea5p v\u00e0 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng s\u1ee3i quang duplex.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>PSM4<\/strong> l\u00e0 gi\u1ea3i ph\u00e1p chuy\u00ean bi\u1ec7t cho <strong>m\u00f4i tr\u01b0\u1eddng s\u1ee3i quang song song c\u00f3 m\u1eadt \u0111\u1ed9 cao v\u00e0 kho\u1ea3ng c\u00e1ch ng\u1eafn<\/strong> .<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Quy\u1ebft \u0111\u1ecbnh c\u1ee7a b\u1ea1n n\u00ean d\u1ef1a tr\u00ean vi\u1ec7c \u0111\u00e1nh gi\u00e1 r\u00f5 r\u00e0ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 kho\u1ea3ng c\u00e1ch, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ee3i quang hi\u1ec7n c\u00f3, t\u1ed5ng chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 nhu c\u1ea7u m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai. B\u1eb1ng c\u00e1ch l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t m\u1ea1ng nhanh h\u01a1n, hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a v\u1ec1 chi ph\u00ed, s\u1eb5n s\u00e0ng \u0111\u1ed1i m\u1eb7t v\u1edbi nh\u1eefng th\u00e1ch th\u1ee9c c\u1ee7a ng\u00e0y mai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u1ea1n \u0111ang t\u00ecm ki\u1ebfm l\u1eddi khuy\u00ean chuy\u00ean gia v\u1ec1 vi\u1ec7c tri\u1ec3n khai 100G c\u1ee7a m\u00ecnh?<\/strong> Kh\u00e1m ph\u00e1 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 <strong>h\u01b0\u1edbng d\u1eabn t\u01b0\u01a1ng th\u00edch<\/strong> d\u00e0nh cho c\u00e1c gi\u1ea3i ph\u00e1p ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 c\u1ee7a <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u1ec1n t\u1ea3ng quang h\u1ecdc c\u1ee7a b\u1ea1n v\u1eefng ch\u1eafc v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n c\u00e1 nh\u00e2n h\u00f3a v\u00e0 kh\u00e1m ph\u00e1 s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa LR4, CWDM4 v\u00e0 PSM4 trong trung t\u00e2m d\u1eef li\u1ec7u l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">LR4 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch xa trong trung t\u00e2m d\u1eef li\u1ec7u. CWDM4 ph\u00f9 h\u1ee3p cho kho\u1ea3ng c\u00e1ch trung b\u00ecnh. PSM4 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn. M\u1ed7i lo\u1ea1i gi\u00fap b\u1ea1n thi\u1ebft l\u1eadp m\u1ed9t trung t\u00e2m d\u1eef li\u1ec7u linh ho\u1ea1t \u0111\u00e1p \u1ee9ng c\u00e1c nhu c\u1ea7u kh\u00e1c nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u00f4i c\u00f3 th\u1ec3 d\u00f9ng PSM4 cho k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng PSM4 \u0111\u1ec3 k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u. PSM4 ch\u1ec9 h\u1ed7 tr\u1ee3 kho\u1ea3ng c\u00e1ch ng\u1eafn. LR4 ho\u1eb7c CWDM4 m\u1edbi ph\u00f9 h\u1ee3p h\u01a1n cho c\u00e1c k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u v\u00ec ch\u00fang ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ea1i sao c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u th\u01b0\u1eddng ch\u1ecdn CWDM4 cho c\u00e1c \u1ee9ng d\u1ee5ng trung t\u00e2m d\u1eef li\u1ec7u?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u trung t\u00e2m d\u1eef li\u1ec7u l\u1ef1a ch\u1ecdn CWDM4 v\u00ec kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi kho\u1ea3ng c\u00e1ch trung b\u00ecnh. C\u00e1c module CWDM4 ho\u1ea1t \u0111\u1ed9ng l\u00ean \u0111\u1ebfn 2 km, \u0111\u00e1p \u1ee9ng h\u1ea7u h\u1ebft nhu c\u1ea7u trong trung t\u00e2m d\u1eef li\u1ec7u. Ngo\u00e0i ra, m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n v\u00e0 vi\u1ec7c \u0111i c\u00e1p c\u0169ng d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn b\u1ed9 thu ph\u00e1t ph\u00f9 h\u1ee3p cho k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y ki\u1ec3m tra kho\u1ea3ng c\u00e1ch k\u1ebft n\u1ed1i, h\u1ec7 th\u1ed1ng c\u00e1p v\u00e0 ng\u00e2n s\u00e1ch tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn. LR4 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho c\u00e1c k\u1ebft n\u1ed1i d\u00e0i trong trung t\u00e2m d\u1eef li\u1ec7u. CWDM4 ph\u00f9 h\u1ee3p cho c\u00e1c k\u1ebft n\u1ed1i trung b\u00ecnh. PSM4 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn. H\u00e3y l\u1ef1a ch\u1ecdn sao cho ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a trung t\u00e2m d\u1eef li\u1ec7u b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >LR4 c\u00f3 ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho k\u1ebft n\u1ed1i li\u00ean trung t\u00e2m d\u1eef li\u1ec7u \u1edf kho\u1ea3ng c\u00e1ch xa kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00fang v\u1eady, LR4 l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho c\u00e1c k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch xa gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u. C\u00e1c module LR4 ho\u1ea1t \u0111\u1ed9ng l\u00ean \u0111\u1ebfn 10 km, do \u0111\u00f3 r\u1ea5t l\u00fd t\u01b0\u1edfng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u \u1edf c\u00e1c th\u00e0nh ph\u1ed1 kh\u00e1c nhau ho\u1eb7c trong c\u00f9ng m\u1ed9t khu\u00f4n vi\u00ean.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>M\u1eb9o: Lu\u00f4n xem x\u00e9t nhu c\u1ea7u m\u1ea1ng c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi ch\u1ecdn b\u1ed9 thu ph\u00e1t cho trung t\u00e2m d\u1eef li\u1ec7u.<\/p><\/blockquote>","protected":false},"excerpt":{"rendered":"<p>So s\u00e1nh 100G LR4, CWDM4 v\u00e0 PSM4 \u0111\u1ec3 t\u00ecm b\u1ed9 thu ph\u00e1t 100G ph\u00f9 h\u1ee3p nh\u1ea5t cho m\u1ea1ng c\u1ee7a b\u1ea1n d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch, chi ph\u00ed v\u00e0 y\u00eau c\u1ea7u c\u00e1p.<\/p>","protected":false},"author":1,"featured_media":3467,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[13,14,15,18,24,26],"class_list":["post-3469","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-100g-modules","tag-10g-sfp-transceivers","tag-link-pp-1g-sfp-modules","tag-40g-qsfp-transceivers","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3469","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=3469"}],"version-history":[{"count":3,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3469\/revisions"}],"predecessor-version":[{"id":10804,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3469\/revisions\/10804"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3467"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}