{"id":3965,"date":"2025-09-05T00:00:00","date_gmt":"2025-09-05T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/otu4-backbone-high-speed-optical-transport-networks\/"},"modified":"2026-06-22T07:40:25","modified_gmt":"2026-06-22T07:40:25","slug":"otu4-backbone-high-speed-optical-transport-networks","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/otu4-backbone-high-speed-optical-transport-networks","title":{"rendered":"Gi\u1ea3i th\u00edch OTU4: N\u1ec1n t\u1ea3ng c\u1ee7a h\u1ec7 th\u1ed1ng v\u1eadn chuy\u1ec3n quang t\u1ed1c \u0111\u1ed9 cao"},"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\/5c37cc52bd2c4003be5c5f52c5d94a34.webp\" alt=\"OTU4 Explained The Backbone of High-Speed Optical Transport\" class=\"wp-image-3963\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c37cc52bd2c4003be5c5f52c5d94a34.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c37cc52bd2c4003be5c5f52c5d94a34-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c37cc52bd2c4003be5c5f52c5d94a34-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c37cc52bd2c4003be5c5f52c5d94a34-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c37cc52bd2c4003be5c5f52c5d94a34-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1 v\u1eadn h\u00e0nh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u. T\u1eeb vi\u1ec7c ph\u00e1t tr\u1ef1c tuy\u1ebfn video 4K \u0111\u1ebfn vi\u1ec7c v\u1eadn h\u00e0nh \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, nhu c\u1ea7u v\u1ec1 b\u0103ng th\u00f4ng \u0111ang b\u00f9ng n\u1ed5. \u0110\u1eb1ng sau h\u1eadu tr\u01b0\u1eddng, m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p v\u00e0 ti\u00eau chu\u1ea9n h\u00f3a ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng ng\u1eebng ngh\u1ec9 \u0111\u1ec3 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u n\u00e0y m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady qua nh\u1eefng kho\u1ea3ng c\u00e1ch r\u1ed9ng l\u1edbn. Trung t\u00e2m c\u1ee7a c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao hi\u1ec7n \u0111\u1ea1i l\u00e0 m\u1ed9t giao th\u1ee9c then ch\u1ed1t: <strong>OTU4<\/strong>. N\u1ebfu b\u1ea1n tham gia v\u00e0o <strong>Hi\u1ec7u n\u0103ng c\u1ee7a c\u00e1c k\u1ebft n\u1ed1i v\u1eadt l\u00fd b\u00ean trong v\u00e0 gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi<\/strong>, <strong>trung t\u00e2m d\u1eef li\u1ec7u<br><\/strong>, or <strong>vi\u1ec5n th\u00f4ng<\/strong>, vi\u1ec7c hi\u1ec3u r\u00f5 OTU4 l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u1ea3i th\u00edch chi ti\u1ebft OTU4 l\u00e0 g\u00ec, t\u1ea1i sao n\u00f3 l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a <strong>v\u1eadn chuy\u1ec3n 100G<\/strong>, v\u00e0 c\u00e1ch n\u00f3 duy tr\u00ec k\u1ebft n\u1ed1i cho n\u1ec1n kinh t\u1ebf s\u1ed1 to\u00e0n c\u1ea7u c\u1ee7a ch\u00fang ta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd OTU4 th\u1ef1c ch\u1ea5t l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">OTU4 l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a <strong>\u0110\u01a1n v\u1ecb V\u1eadn chuy\u1ec3n Quang h\u1ecdc 4<\/strong>. \u0110\u00e2y l\u00e0 m\u1ed9t l\u1edbp bao b\u1ecdc s\u1ed1 \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a do <strong>ITU-T (Li\u00ean minh Vi\u1ec5n th\u00f4ng Qu\u1ed1c t\u1ebf)<\/strong> \u0111\u1ecbnh ngh\u0129a trong khuy\u1ebfn ngh\u1ecb <strong>G.709<\/strong> , th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201c<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-otn-optical-transport-network\/\"><strong>OTN<\/strong><\/a>\u201d (<strong>M\u1ea1ng truy\u1ec1n t\u1ea3i quang<\/strong>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y h\u00ecnh dung n\u00f3 nh\u01b0 m\u1ed9t container v\u1eadn chuy\u1ec3n c\u1ef1c k\u1ef3 an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 d\u00e0nh ri\u00eang cho d\u1eef li\u1ec7u. D\u1eef li\u1ec7u kh\u00e1ch h\u00e0ng th\u00f4 (nh\u01b0 Ethernet, Fibre Channel ho\u1eb7c MPLS) \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean trong \u201ccontainer\u201d OTU4. Container n\u00e0y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Cung c\u1ea5p m\u1ed9t c\u1ea5u tr\u00fac khung ti\u00eau chu\u1ea9n<\/strong> \u0111\u1ec3 v\u1eadn chuy\u1ec3n d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 100 gigabit m\u1ed7i gi\u00e2y (Gbps).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Th\u00eam c\u00e1c byte d\u01b0 th\u1eeba<\/strong> ph\u1ee5c v\u1ee5 c\u00e1c ch\u1ee9c n\u0103ng quan tr\u1ecdng nh\u01b0 gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t, ph\u00e1t hi\u1ec7n l\u1ed7i v\u00e0 c\u00e1c k\u00eanh qu\u1ea3n l\u00fd.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u1ea3m b\u1ea3o c\u01a1 ch\u1ebf <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/fec-forward-error-correction-in-optical-communication\/\"><strong>s\u1eeda l\u1ed7i ti\u1ebfn (FEC)<\/strong><\/a>, m\u1ea1nh m\u1ebd, \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u v\u00e0 m\u1edf r\u1ed9ng ph\u1ea1m vi truy\u1ec1n d\u1eabn tr\u00ean c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng d\u00e0i. <strong>S\u1eed d\u1ee5ng<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, <strong>OTU4 l\u00e0 giao th\u1ee9c x\u00e1c \u0111\u1ecbnh c\u00e1ch th\u1ee9c t\u00edn hi\u1ec7u 100G \u0111\u01b0\u1ee3c \u0111\u1ecbnh d\u1ea1ng, qu\u1ea3n l\u00fd v\u00e0 v\u1eadn chuy\u1ec3n qua c\u00e1c m\u1ea1ng quang.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd V\u00ec sao OTU4 l\u1ea1i quan tr\u1ecdng: C\u00e1c l\u1ee3i \u00edch ch\u00ednh v\u00e0 vai tr\u00f2 c\u1ee7a n\u00f3<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OTU4<\/strong> kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t giao th\u1ee9c kh\u00e1c; \u0111\u00e2y l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn v\u01b0\u1ee3t b\u1eadc. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 l\u00fd do v\u00ec sao n\u00f3 quan tr\u1ecdng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Chu\u1ea9n h\u00f3a:<\/strong> N\u00f3 t\u1ea1o ra m\u1ed9t ti\u00eau chu\u1ea9n ph\u1ed5 qu\u00e1t v\u00e0 t\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1ee3c cho <strong>v\u1eadn chuy\u1ec3n quang 100G<\/strong>, cho ph\u00e9p thi\u1ebft b\u1ecb t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau ho\u1ea1t \u0111\u1ed9ng \u0103n kh\u1edbp ho\u00e0n h\u1ea3o v\u1edbi nhau.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u n\u0103ng v\u01b0\u1ee3t tr\u1ed9i:<\/strong> C\u01a1 ch\u1ebf <strong>FEC<\/strong> s\u1eeda l\u1ed7i ti\u1ebfn (FEC) m\u1ea1nh m\u1ebd \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p s\u1eb5n trong OTU4 cho ph\u00e9p t\u0103ng kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec5u so v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n tr\u01b0\u1edbc \u0111\u00f3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u00e1m s\u00e1t n\u00e2ng cao:<\/strong> Ph\u1ea7n d\u01b0 th\u1eeba phong ph\u00fa c\u1ee7a n\u00f3 cung c\u1ea5p cho c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng kh\u1ea3 n\u0103ng quan s\u00e1t chi ti\u1ebft v\u00e0 th\u1eddi gian th\u1ef1c v\u1ec1 t\u00ecnh tr\u1ea1ng v\u00e0 hi\u1ec7u n\u0103ng c\u1ee7a t\u1eebng b\u01b0\u1edbc s\u00f3ng, t\u1eeb \u0111\u00f3 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00f4ng t\u00e1c <strong>qu\u1ea3n l\u00fd m\u1ea1ng<\/strong> gi\u00e1m s\u00e1t v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u qu\u1ea3 gh\u00e9p k\u00eanh:<\/strong> OTU4 l\u00e0 m\u1ed9t kh\u1ed1i x\u00e2y d\u1ef1ng then ch\u1ed1t trong<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-dwdm-explaining-dense-wavelength-division-multiplexing\/\"><strong>DWDM (\u0110a ph\u00e2n b\u01b0\u1edbc s\u00f3ng d\u00e0y \u0111\u1eb7c)<\/strong><\/a> c\u00e1c h\u1ec7 th\u1ed1ng, cho ph\u00e9p k\u1ebft h\u1ee3p nhi\u1ec1u k\u00eanh 100G tr\u00ean m\u1ed9t s\u1ee3i c\u00e1p quang duy nh\u1ea5t.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd So s\u00e1nh nhanh OTU4 v\u1edbi c\u00e1c chu\u1ea9n OTN kh\u00e1c:<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>OTN<\/strong> ph\u00e2n c\u1ea5p OTN bao g\u1ed3m nhi\u1ec1u m\u1ee9c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh OTU4 v\u1edbi c\u00e1c th\u1ebf h\u1ec7 ti\u1ec1n nhi\u1ec7m.<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>M\u1ee9c OTU<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n (x\u1ea5p x\u1ec9)<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>T\u00edn hi\u1ec7u kh\u00e1ch th\u00f4ng d\u1ee5ng<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>OTU1<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2,67 Gbps<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SDH\/SONET STM-16\/OC-48<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n d\u1eabn c\u1ed5 \u0111i\u1ec3n 2,5G<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>OTU2<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10,71 Gbps<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet 10 Gigabit<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n d\u1eabn 10G<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>OTU2e<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>11,10 Gbps<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet 10GBASE-R<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n d\u1eabn LAN PHY<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>OTU3<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>43,02 Gbps<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet 40 Gigabit<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n d\u1eabn 40G<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>OTU4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>111,81 Gbps<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Ethernet 100 Gigabit<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Truy\u1ec1n d\u1eabn 100G<br><\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>OTUCn<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>n \u00d7 105,25 Gbps<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet 200G, 400G, 800G<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n d\u1eabn t\u1ed1c \u0111\u1ed9 cao linh ho\u1ea1t<br><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd OTU4 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u1edf \u0111\u00e2u? C\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n s\u1ebd th\u1ea5y c\u00f4ng ngh\u1ec7 OTU4 h\u1ed7 tr\u1ee3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng tr\u1ecdng y\u1ebfu trong c\u00e1c l\u0129nh v\u1ef1c sau:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Data Center Interconnects <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\"><strong>(DCI)<\/strong><\/a><strong>:<\/strong> K\u1ebft n\u1ed1i c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u ph\u00e2n t\u00e1n v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd b\u1eb1ng c\u00e1c li\u00ean k\u1ebft<br> <strong>100G c\u00f3 dung l\u01b0\u1ee3ng cao v\u00e0 \u0111\u1ed9 tin c\u1eady cao<br><\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>L\u00f5i vi\u1ec5n th\u00f4ng &amp;<br> <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/metro-ethernet-improve-network-connectivity-business-benefits\/\"><strong>Metro Networks<\/strong><\/a><strong>:<\/strong> H\u00ecnh th\u00e0nh x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a m\u1ea1ng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5, x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng t\u1ed5ng h\u1ee3p kh\u1ed5ng l\u1ed3.<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ea1ng nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y:<br><\/strong> L\u00e0m n\u1ec1n t\u1ea3ng cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1eb1ng sau c\u00e1c d\u1ecbch v\u1ee5 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y l\u1edbn v\u00e0 m\u1ea1ng ph\u00e2n ph\u1ed1i n\u1ed9i dung (CDN).<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ea1ng t\u00e0i ch\u00ednh:<br><\/strong> N\u01a1i \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 \u0111\u1ed9 tin c\u1eady tuy\u1ec7t \u0111\u1ed1i l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi giao d\u1ecbch t\u1ea7n s\u1ed1 cao.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd \u0110\u1ec3 OTU4 ho\u1ea1t \u0111\u1ed9ng: Vai tr\u00f2 then ch\u1ed1t c\u1ee7a 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\/481123d61fe74e21bd974711f145ccfa.webp\" alt=\"optical transceiver\" class=\"wp-image-3964\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/481123d61fe74e21bd974711f145ccfa.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/481123d61fe74e21bd974711f145ccfa-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/481123d61fe74e21bd974711f145ccfa-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/481123d61fe74e21bd974711f145ccfa-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/481123d61fe74e21bd974711f145ccfa-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>OTU4<\/strong> t\u00edn hi\u1ec7u kh\u00f4ng t\u1ef1 di chuy\u1ec3n; n\u00f3 c\u1ea7n ph\u1ea7n c\u1ee9ng \u0111\u1ec3 t\u1ea1o ra, truy\u1ec1n \u0111i v\u00e0 nh\u1eadn l\u1ea1i. \u0110\u00e2y ch\u00ednh l\u00e0 n\u01a1i m\u00e0<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a> c\u00e1c b\u1ed9 thu ph\u00e1t quang xu\u1ea5t hi\u1ec7n. Nh\u1eefng m\u00f4-\u0111un c\u1eafm r\u1eddi n\u00e0y l\u00e0 nh\u1eefng \u201cc\u00f4ng c\u1ee5 lao \u0111\u1ed9ng\u201d chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u OTU4 d\u1ea1ng \u0111i\u1ec7n th\u00e0nh xung \u00e1nh s\u00e1ng quang \u0111\u1ec3 truy\u1ec1n qua s\u1ee3i quang.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 tri\u1ec3n khai <strong>tri\u1ec3n khai m\u1ea1ng OTU4<br><\/strong>, vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 \u0111\u00e1ng tin c\u1eady l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. \u0110\u00e2y l\u00e0 l\u00fac m\u1ed9t \u0111\u1ed1i t\u00e1c uy t\u00edn nh\u01b0<br> <strong>LINK-PP<\/strong> t\u1ea1o n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t ho\u00e0n to\u00e0n.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>LINK-PP<\/strong><\/a> cung c\u1ea5p c\u00e1c b\u1ed9 thu ph\u00e1t<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>s\u1eb5n s\u00e0ng gi\u00fap b\u1ea1n \u0111i\u1ec1u h\u01b0\u1edbng nh\u1eefng l\u1ef1a ch\u1ecdn n\u00e0y. Ch\u00fang t\u00f4i cung c\u1ea5p lo\u1ea1t<\/strong><\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi t\u1ed1c \u0111\u1ed9 <strong>\u1ee9ng d\u1ee5ng OTU4<br><\/strong>. M\u1ed9t v\u00ed d\u1ee5 ti\u00eau bi\u1ec3u l\u00e0<br> <strong>m\u00f4-\u0111un QSFP28-100G-ZR4-S<br><\/strong> B\u1ed9 thu ph\u00e1t n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 h\u1ed7 tr\u1ee3 chu\u1ea9n OTU4, mang l\u1ea1i c\u00e1c t\u00ednh n\u0103ng sau:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">\u0110\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u ITU-T G.709 v\u1ec1 OTU4.<br>.<\/p><\/li><li><p style=\"margin: 0px;\">H\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eabn xa l\u00ean \u0111\u1ebfn 80 km tr\u00ean s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9.<br>.<\/p><\/li><li><p style=\"margin: 0px;\">C\u00f4ng ngh\u1ec7 DWDM t\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c t\u00ecnh hu\u1ed1ng<br> <strong>t\u1ed1i \u01b0u h\u00f3a dung l\u01b0\u1ee3ng<br><\/strong> <br>.<\/p><\/li><li><p style=\"margin: 0px;\">\u0110\u1ed9 tin c\u1eady v\u00e0 \u1ed5n \u0111\u1ecbnh cao, \u0111\u1ea3m b\u1ea3o th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ng \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Khi b\u1ea1n \u0111ang thi\u1ebft k\u1ebf ho\u1eb7c n\u00e2ng c\u1ea5p m\u1ed9t <strong>m\u1ea1ng 100G b\u1ec1n b\u1ec9 v\u00e0 hi\u1ec7u n\u0103ng cao<\/strong>, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang <strong>B\u1ed9 thu ph\u00e1t 100G ZR4<\/strong> l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u n\u0103ng v\u00e0 <strong>t\u00ednh hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd K\u1ebft lu\u1eadn: OTU4 \u2013 N\u1ec1n t\u1ea3ng \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng cho m\u1ea1ng 100G<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OTU4<\/strong> \u0111\u00e3 v\u1eefng ch\u1eafc thi\u1ebft l\u1eadp v\u1ecb th\u1ebf l\u00e0 n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i c\u1ee7a <strong>c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn quang 100 gigabit hi\u1ec7n \u0111\u1ea1i<\/strong>. Thi\u1ebft k\u1ebf b\u1ec1n b\u1ec9 c\u1ee7a n\u00f3, t\u00edch h\u1ee3p c\u00e1c kh\u1ea3 n\u0103ng <strong>FEC<\/strong> qu\u1ea3n l\u00fd m\u1ea1nh m\u1ebd v\u00e0 to\u00e0n di\u1ec7n, mang l\u1ea1i \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 m\u00e0 c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng y\u00eau c\u1ea7u. Khi ch\u00fang ta b\u01b0\u1edbc v\u00e0o k\u1ef7 nguy\u00ean 400G v\u00e0 800G, nh\u1eefng nguy\u00ean t\u1eafc v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng OTU4 ti\u1ebfp t\u1ee5c cung c\u1ea5p m\u1ed9t n\u1ec1n t\u1ea3ng then ch\u1ed1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eb5n s\u00e0ng x\u00e2y d\u1ef1ng ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng OTN 100G c\u1ee7a b\u1ea1n?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea3m b\u1ea3o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00e1ng tin c\u1eady, hi\u1ec7u su\u1ea5t cao. Kh\u00e1m ph\u00e1 <strong>LINK-PP<\/strong>\u2018ph\u1ea1m vi r\u1ed9ng l\u1edbn c\u00e1c b\u1ed9 thu ph\u00e1t quang <strong>t\u01b0\u01a1ng th\u00edch OTU4 c\u1ee7a<\/strong>, bao g\u1ed3m c\u00e1c gi\u1ea3i ph\u00e1p <strong>m\u00f4-\u0111un QSFP28-100G-ZR4-S<br><\/strong> v\u00e0 c\u00e1c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/coherent-transceivers-high-speed-data-transmission-explained\/\"><strong>quang h\u1ecdc k\u1ebft h\u1ee3p<br><\/strong><\/a> c\u1ee7a ch\u00fang t\u00f4i, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 mang l\u1ea1i hi\u1ec7u n\u0103ng v\u00e0 gi\u00e1 tr\u1ecb v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ch\u1ea5t l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u00e1ng tin c\u1eady cho c\u1ea3 \u1ee9ng d\u1ee5ng Ethernet v\u00e0 OTN. <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>Truy c\u1eadp trang web LINK-PP<\/strong><\/a><strong> ngay h\u00f4m nay \u0111\u1ec3 t\u00ecm b\u1ed9 thu ph\u00e1t quang ph\u00f9 h\u1ee3p nh\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n v\u00e0 nh\u1eadn b\u00e1o gi\u00e1!<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd FAQ<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >OTU4 l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OTU4 l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a \u0110\u01a1n v\u1ecb v\u1eadn chuy\u1ec3n quang 4 (Optical Transport Unit 4). B\u1ea1n s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u nhanh trong c\u00e1c m\u1ea1ng quang. N\u00f3 tu\u00e2n theo ti\u00eau chu\u1ea9n ITU-T G.709.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >OTU4 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>OTU4 s\u1eed d\u1ee5ng <a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/fec-forward-error-correction-in-optical-communication\/\"><strong>S\u1eeda l\u1ed7i ti\u1ebfn (FEC)<\/strong><\/a>. FEC th\u00eam c\u00e1c bit b\u1ed5 sung v\u00e0o d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. B\u1ea1n s\u1ebd g\u1eb7p \u00edt l\u1ed7i h\u01a1n v\u00e0 truy\u1ec1n t\u1ea3i an to\u00e0n h\u01a1n, ngay c\u1ea3 tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng OTU4 cho c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, b\u1ea1n c\u00f3 th\u1ec3. OTU4 gi\u00fap c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y di chuy\u1ec3n l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. B\u1ea1n s\u1ebd c\u00f3 c\u00e1c k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u00edn hi\u1ec7u kh\u00e1ch h\u00e0ng ch\u00ednh cho OTU4 l\u00e0 g\u00ec?<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>OTU4<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>T\u00edn hi\u1ec7u kh\u00e1ch h\u00e0ng ch\u00ednh<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>OTU4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100GE (Ethernet 100 Gigabit)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng OTU4 \u0111\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u 100GE qua m\u1ea1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ea1i sao b\u1ea1n n\u00ean ch\u1ecdn OTU4 cho doanh nghi\u1ec7p c\u1ee7a m\u00ecnh?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 cao.<\/p><\/li><li><p>B\u1ea1n t\u1eadn h\u01b0\u1edfng \u0111\u1ed9 tin c\u1eady cao.<\/p><\/li><li><p>B\u1ea1n c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng m\u1ea1ng c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">OTU4 h\u1ed7 tr\u1ee3 nhu c\u1ea7u kinh doanh c\u1ee7a b\u1ea1n v\u1ec1 vi\u1ec7c v\u1eadn chuy\u1ec3n d\u1eef li\u1ec7u nhanh ch\u00f3ng, an to\u00e0n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>OTU4 l\u00e0 m\u1ed9t l\u1edbp k\u1ef9 thu\u1eadt s\u1ed1 t\u1ed1c \u0111\u1ed9 cao trong c\u00e1c m\u1ea1ng v\u1eadn chuy\u1ec3n quang, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u 100GE \u0111\u00e1ng tin c\u1eady v\u1edbi kh\u1ea3 n\u0103ng s\u1eeda l\u1ed7i m\u1ea1nh m\u1ebd v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/p>","protected":false},"author":1,"featured_media":3963,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-3965","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3965","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=3965"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3965\/revisions"}],"predecessor-version":[{"id":11172,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3965\/revisions\/11172"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3963"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}