{"id":5194,"date":"2025-09-05T00:00:00","date_gmt":"2025-09-05T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/role-of-optical-modules-in-backbone-networks\/"},"modified":"2026-06-22T07:42:00","modified_gmt":"2026-06-22T07:42:00","slug":"role-of-optical-modules-in-backbone-networks","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/role-of-optical-modules-in-backbone-networks","title":{"rendered":"Vai tr\u00f2 c\u1ee7a module quang trong m\u1ea1ng backbone"},"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\/4da57dd1f4a5473ebd2aeeec21b3c62b.webp\" alt=\"High-tech backbone network visualization with optical modules connecting global datacenters, symbolizing LINK-PP innovation and reliability.\" class=\"wp-image-5192\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4da57dd1f4a5473ebd2aeeec21b3c62b.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4da57dd1f4a5473ebd2aeeec21b3c62b-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4da57dd1f4a5473ebd2aeeec21b3c62b-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4da57dd1f4a5473ebd2aeeec21b3c62b-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4da57dd1f4a5473ebd2aeeec21b3c62b-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >Gi\u1edbi thi\u1ec7u: C\u00e1c m\u00f4-\u0111un quang nh\u01b0 nh\u1eefng \u0111\u1ed9ng l\u1ef1c th\u00fac \u0111\u1ea9y m\u1ea1ng l\u00f5i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u1ea1ng l\u00f5i t\u1ea1o th\u00e0nh n\u1ec1n t\u1ea3ng c\u1ee7a vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ed1, qu\u1ed1c gia v\u00e0 th\u1eadm ch\u00ed c\u1ea3 c\u00e1c ch\u00e2u l\u1ee5c th\u00f4ng qua c\u00e1p quang s\u1ee3i c\u00f3 dung l\u01b0\u1ee3ng cao. \u1ede trung t\u00e2m c\u1ee7a nh\u1eefng m\u1ea1ng n\u00e0y l\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>module quang<br><\/strong><\/a>, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 nh\u1eefng \u201c\u0111\u1ed9ng c\u01a1 th\u00f4ng tin\u201d, chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh \u00e1nh s\u00e1ng cho <strong>vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao tr\u00ean kho\u1ea3ng c\u00e1ch xa<\/strong>. Nh\u1eefng m\u00f4-\u0111un n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1ea1ng l\u00f5i ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady, m\u1edf r\u1ed9ng quy m\u00f4 \u0111\u01b0\u1ee3c v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao trong c\u00e1c m\u1ea1ng l\u00f5i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao l\u00e0 m\u1ea1ch m\u00e1u c\u1ee7a c\u00e1c m\u1ea1ng l\u00f5i. C\u00e1c b\u1ed9 thu ph\u00e1t quang nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/488423.htm\"><strong>QSFP28<br><\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\"><strong>QSFP-DD<\/strong><\/a><strong>, v\u00e0 OSFP<\/strong> cho ph\u00e9p c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh t\u00edn hi\u1ec7u quang, c\u00f3 th\u1ec3 truy\u1ec1n \u0111i qua <strong>c\u00e1p quang DWDM ho\u1eb7c OTN<\/strong> v\u1edbi m\u1ee9c suy hao t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c m\u00f4-\u0111un quang, vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 truy\u1ec1n si\u00eau nhanh \u1edf m\u1ee9c <strong>100G, 200G, 400G v\u00e0 th\u1eadm ch\u00ed 800G<\/strong> tr\u00ean kho\u1ea3ng c\u00e1ch xa l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3. Nh\u1eefng m\u00f4-\u0111un n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u l\u01b0u th\u00f4ng li\u1ec1n m\u1ea1ch gi\u1eefa c\u00e1c n\u00fat l\u00f5i c\u1ee7a m\u1ea1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Li\u00ean k\u1ebft kho\u1ea3ng c\u00e1ch xa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u1ea1ng l\u00f5i th\u01b0\u1eddng k\u00e9o d\u00e0i tr\u00ean <strong>h\u00e0ng tr\u0103m \u0111\u1ebfn h\u00e0ng ngh\u00ecn kil\u00f4m\u00e9t<\/strong>, k\u1ebft n\u1ed1i nhi\u1ec1u th\u00e0nh ph\u1ed1, khu v\u1ef1c ho\u1eb7c qu\u1ed1c gia. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm?ca=1486&amp;cv=8305\"><strong>C\u00e1c m\u00f4-\u0111un quang t\u1ea7m xa<\/strong><\/a> s\u1eed d\u1ee5ng gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM) v\u00e0 b\u1ed9 khu\u1ebfch \u0111\u1ea1i quang \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch li\u00ean l\u1ee5c \u0111\u1ecba.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng m\u00f4-\u0111un n\u00e0y h\u00ecnh th\u00e0nh n\u00ean \u201ch\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng cao t\u1ed1c\u201d c\u1ee7a m\u1ea1ng l\u00f5i, cho ph\u00e9p li\u00ean k\u1ebft gi\u1eefa c\u00e1c th\u00e0nh ph\u1ed1 v\u00e0 gi\u1eefa c\u00e1c qu\u1ed1c gia. <strong>c\u00e1c k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao<\/strong>. Ch\u00fang \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c duy tr\u00ec hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng trong c\u00e1c giao ti\u1ebfp qu\u1ed1c t\u1ebf v\u00e0 li\u00ean l\u1ee5c \u0111\u1ecba.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>M\u1edf r\u1ed9ng v\u00e0 li\u00ean k\u1ebft linh ho\u1ea1t<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u1ea1ng l\u00f5i ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng l\u01b0u l\u01b0\u1ee3ng ng\u00e0y c\u00e0ng t\u0103ng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <strong>c\u00e1c m\u00f4-\u0111un quang thay th\u1ebf n\u00f3ng<\/strong> LPJK9036AHNL <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">SFP+<\/a> and <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\">QSFP<\/a> lo\u1ea1t, c\u00e1c nh\u00e0 khai th\u00e1c c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng b\u0103ng th\u00f4ng m\u1ea1ng m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u1edbn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1edd t\u1eadn d\u1ee5ng <strong>C\u00f4ng ngh\u1ec7 CWDM ho\u1eb7c DWDM<\/strong>, nhi\u1ec1u k\u00eanh quang c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u1ed9t s\u1ee3i c\u00e1p duy nh\u1ea5t, t\u1eeb \u0111\u00f3 n\u00e2ng cao hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng s\u1ee3i quang v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-dwdm.htm\"><strong>M\u00f4-\u0111un quang<\/strong><\/a> mang l\u1ea1i c\u1ea3 t\u00ednh linh ho\u1ea1t l\u1eabn hi\u1ec7u qu\u1ea3, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c m\u1ea1ng l\u00f5i c\u00f3 th\u1ec3 th\u00edch \u1ee9ng v\u1edbi nh\u1eefng y\u00eau c\u1ea7u \u0111ang kh\u00f4ng ng\u1eebng thay \u0111\u1ed5i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Duy tr\u00ec <strong>\u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u<\/strong> l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng l\u00f5i. C\u00e1c m\u00f4-\u0111un quang ti\u00ean ti\u1ebfn t\u00edch h\u1ee3p c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/fec-forward-error-correction-in-optical-communication\/\"><strong>FEC (Hi\u1ec7u ch\u1ec9nh l\u1ed7i ti\u1ebfn)<\/strong><\/a><strong>:<\/strong> Ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda l\u1ed7i truy\u1ec1n d\u1eabn.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/clock-and-data-recovery-in-modern-communication-systems\/\"><strong>CDR (Kh\u00f4i ph\u1ee5c \u0111\u1ed3ng h\u1ed3 v\u00e0 d\u1eef li\u1ec7u)<\/strong><\/a><strong>:<\/strong> Duy tr\u00ec \u0111\u1ed3ng b\u1ed9 th\u1eddi gian \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u ch\u00ednh x\u00e1c.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/pin-apd-photodiode-technologies-applications\/\"><strong>B\u1ed9 thu quang APD (Photodiode th\u00e1c l\u0169)<\/strong><\/a><strong>:<\/strong> N\u00e2ng cao \u0111\u1ed9 nh\u1ea1y \u0111\u1ed1i v\u1edbi t\u00edn hi\u1ec7u truy\u1ec1n tr\u00ean kho\u1ea3ng c\u00e1ch xa.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng t\u00ednh n\u0103ng n\u00e0y \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady tr\u00ean kho\u1ea3ng c\u00e1ch xa, gi\u1ea3m thi\u1ec3u m\u1ea5t d\u1eef li\u1ec7u v\u00e0 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u1ea1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Application Scenarios<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1\ufe0f\u20e3 <strong>C\u00e1c m\u1ea1ng l\u00f5i c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5:<\/strong> K\u1ebft n\u1ed1i c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u l\u00f5i tr\u00ean to\u00e0n qu\u1ed1c ho\u1eb7c to\u00e0n c\u1ea7u.<br\/>2\ufe0f\u20e3 <strong>K\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI):<\/strong> Cung c\u1ea5p c\u00e1c li\u00ean k\u1ebft quang t\u1ed1c \u0111\u1ed9 cao gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn.<br\/>3\ufe0f\u20e3 <strong>C\u00e1c h\u1ec7 th\u1ed1ng c\u00e1p ng\u1ea7m bi\u1ec3n qu\u1ed1c t\u1ebf:<\/strong> Y\u00eau c\u1ea7u c\u00e1c m\u00f4-\u0111un t\u1ea7m xa, c\u00f4ng su\u1ea5t cao nh\u01b0 d\u1ea3i C <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-dwdm-page3.htm\">c\u00e1c module DWDM<\/a> cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u xuy\u00ean \u0111\u1ea1i d\u01b0\u01a1ng.<\/p>\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\/a77224f4cd2e4baf87da60fe911ddf8f.webp\" alt=\"Optical Transceivers in Submarine \" class=\"wp-image-5193\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a77224f4cd2e4baf87da60fe911ddf8f.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a77224f4cd2e4baf87da60fe911ddf8f-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a77224f4cd2e4baf87da60fe911ddf8f-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a77224f4cd2e4baf87da60fe911ddf8f-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a77224f4cd2e4baf87da60fe911ddf8f-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" >T\u00f3m T\u1eaft<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un quang l\u00e0 <strong>nh\u1eefng \u0111\u1ed9ng l\u1ef1c c\u1ed1t l\u00f5i c\u1ee7a m\u1ea1ng l\u00f5i<\/strong>, chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh \u00e1nh s\u00e1ng nh\u1eb1m ph\u1ee5c v\u1ee5 vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao tr\u00ean kho\u1ea3ng c\u00e1ch xa. Ch\u00fang r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i to\u00e0n c\u1ea7u, \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP\u2019s<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-dwdm.htm\"><strong>C\u00e1c m\u00f4-\u0111un quang DWDM t\u1ea7m xa<\/strong><\/a> mang l\u1ea1i hi\u1ec7u n\u0103ng d\u1eabn \u0111\u1ea7u ng\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng DWDM, OTN v\u00e0 li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u, h\u1ed7 tr\u1ee3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng l\u00f5i l\u00e0m n\u1ec1n t\u1ea3ng cho Internet hi\u1ec7n \u0111\u1ea1i.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 c\u00e1ch module quang v\u1eadn h\u00e0nh m\u1ea1ng backbone: d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, \u0111\u1ed9 tin c\u1eady, l\u1ee3i th\u1ebf c\u1ee7a LINK-PP, v\u00e0 l\u1eddi khuy\u00ean mua s\u1eafm cho trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 nh\u00e0 khai th\u00e1c.<\/p>","protected":false},"author":1,"featured_media":5192,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5194","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5194","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=5194"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5194\/revisions"}],"predecessor-version":[{"id":11175,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5194\/revisions\/11175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5192"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}