{"id":5161,"date":"2025-09-09T00:00:00","date_gmt":"2025-09-09T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/what-is-multiplexing-in-networking-and-telecommunications\/"},"modified":"2026-06-22T07:33:51","modified_gmt":"2026-06-22T07:33:51","slug":"da-ghep-kenh-trong-mang-va-vien-thong-la-gi","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-multiplexing-in-networking-and-telecommunications","title":{"rendered":"K\u1ef9 thu\u1eadt gh\u00e9p k\u00eanh: H\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng cao t\u1ed1c v\u00f4 h\u00ecnh cho d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"634\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/66ed80e8075a481db0392df09802b0f8.jpg\" alt=\"\u0110a gh\u00e9p k\u00eanh trong m\u1ea1ng v\u00e0 vi\u1ec5n th\u00f4ng l\u00e0 g\u00ec\" class=\"wp-image-5156\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/66ed80e8075a481db0392df09802b0f8.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/66ed80e8075a481db0392df09802b0f8-300x159.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/66ed80e8075a481db0392df09802b0f8-1024x541.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/66ed80e8075a481db0392df09802b0f8-768x406.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/66ed80e8075a481db0392df09802b0f8-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n t\u1eebng t\u1ef1 h\u1ecfi l\u00e0m th\u1ebf n\u00e0o h\u00e0ng ngh\u00ecn video YouTube, cu\u1ed9c g\u1ecdi Zoom v\u00e0 vi\u1ec7c t\u1ea3i xu\u1ed1ng c\u00e1c t\u1ec7p l\u1edbn c\u00f3 th\u1ec3 di\u1ec5n ra \u0111\u1ed3ng th\u1eddi qua m\u1ed9t s\u1ee3i c\u00e1p quang duy nh\u1ea5t? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf m\u1ed9t kh\u00e1i ni\u1ec7m n\u1ec1n t\u1ea3ng c\u1ee7a m\u1ea1ng m\u00e1y t\u00ednh: <strong>gh\u00e9p k\u00eanh<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gh\u00e9p k\u00eanh<\/strong> l\u00e0 qu\u00e1 tr\u00ecnh th\u00f4ng minh k\u1ebft h\u1ee3p nhi\u1ec1u t\u00edn hi\u1ec7u ho\u1eb7c lu\u1ed3ng d\u1eef li\u1ec7u th\u00e0nh m\u1ed9t t\u00edn hi\u1ec7u duy nh\u1ea5t tr\u00ean m\u1ed9t m\u00f4i tr\u01b0\u1eddng chung. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00e0n \u0111\u01b0\u1eddng \u0111i chung t\u1ed1i \u01b0u cho d\u1eef li\u1ec7u, cho ph\u00e9p s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u1eaft \u0111\u1ecf nh\u01b0 c\u00e1p bi\u1ec3n v\u00e0 li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u. N\u1ebfu kh\u00f4ng c\u00f3 n\u00f3, th\u1ebf gi\u1edbi k\u1ebft n\u1ed1i hi\u1ec7n \u0111\u1ea1i c\u1ee7a ch\u00fang ta \u0111\u01a1n gi\u1ea3n s\u1ebd kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ch\u00fang ta s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft c\u00e1c k\u1ef9 thu\u1eadt <strong>gh\u00e9p k\u00eanh<\/strong> ch\u1ee7 ch\u1ed1t t\u1ea1o n\u00ean n\u1ec1n t\u1ea3ng cho vi\u1ec5n th\u00f4ng to\u00e0n c\u1ea7u v\u00e0 kh\u00e1m ph\u00e1 ph\u1ea7n c\u1ee9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 <strong>thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn c\u1ee7a LINK-PP <\/strong><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>, gi\u00fap to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a4 V\u00ec sao gh\u00e9p k\u00eanh l\u00e0 y\u1ebfu t\u1ed1 thay \u0111\u1ed5i cu\u1ed9c ch\u01a1i trong m\u1ea1ng m\u00e1y t\u00ednh<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o ph\u1ea7n <em>c\u00e1ch th\u1ee9c<\/em>, h\u00e3y c\u00f9ng hi\u1ec3u r\u00f5 ph\u1ea7n <em>l\u00fd do<\/em>. Gh\u00e9p k\u00eanh mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch then ch\u1ed1t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u qu\u1ea3 chi ph\u00ed:<\/strong> Gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng th\u00e0nh ph\u1ea7n m\u1ea1ng v\u1eadt l\u00fd v\u00e0 li\u00ean k\u1ebft c\u1ea7n thi\u1ebft.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>T\u1ed1i \u0111a h\u00f3a b\u0103ng th\u00f4ng:<\/strong> Khai th\u00e1c \u0111\u1ea7y \u0111\u1ee7 dung l\u01b0\u1ee3ng v\u1ed1n c\u00f3 c\u1ee7a m\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eabn (nh\u01b0 <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/fiber-optic-cable-what-it-is-and-how-it-works-explained\/\" target=\"_blank\" rel=\"\"><strong>c\u00e1p quang<\/strong><\/a>).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> Cho ph\u00e9p m\u1ea1ng m\u1edf r\u1ed9ng v\u00e0 ph\u1ee5c v\u1ee5 th\u00eam ng\u01b0\u1eddi d\u00f9ng m\u00e0 kh\u00f4ng c\u1ea7n l\u1eafp \u0111\u1eb7t c\u00e1p m\u1edbi cho t\u1eebng k\u1ebft n\u1ed1i.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a4 Gi\u1ea3i th\u00edch c\u00e1c k\u1ef9 thu\u1eadt gh\u00e9p k\u00eanh ch\u1ee7 ch\u1ed1t<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(15, 17, 21);\">C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u1ec3 gh\u00e9p k\u00eanh t\u00edn hi\u1ec7u, m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 \u01b0u \u0111i\u1ec3m ri\u00eang v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3.<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Gh\u00e9p k\u00eanh ph\u00e2n chia theo t\u1ea7n s\u1ed1 (FDM) \ud83d\udcfb<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"479\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd4dce6e7a7947adb21ec6e8567628e9.jpg\" alt=\" \u0110a gh\u00e9p k\u00eanh ph\u00e2n chia theo t\u1ea7n s\u1ed1\" class=\"wp-image-5157\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd4dce6e7a7947adb21ec6e8567628e9.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd4dce6e7a7947adb21ec6e8567628e9-300x120.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd4dce6e7a7947adb21ec6e8567628e9-1024x409.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd4dce6e7a7947adb21ec6e8567628e9-768x307.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fd4dce6e7a7947adb21ec6e8567628e9-18x7.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/frequency-division-multiplexing-importance-and-how-it-works\/\"><strong>FDM<\/strong><\/a> chia t\u1ed5ng b\u0103ng th\u00f4ng kh\u1ea3 d\u1ee5ng trong m\u1ed9t k\u00eanh truy\u1ec1n th\u00f4ng th\u00e0nh chu\u1ed7i c\u00e1c d\u1ea3i t\u1ea7n s\u1ed1 con kh\u00f4ng ch\u1ed3ng l\u1ea5n. M\u1ed7i t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c g\u00e1n m\u1ed9t d\u1ea3i t\u1ea7n s\u1ed1 ri\u00eang bi\u1ec7t (ho\u1eb7c \u201ck\u00eanh\u201d).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Minh h\u1ecda:<\/strong> H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng ph\u1ed5 s\u00f3ng radio: c\u00e1c \u0111\u00e0i ph\u00e1t thanh (t\u00edn hi\u1ec7u) ph\u00e1t s\u00f3ng \u1edf c\u00e1c t\u1ea7n s\u1ed1 kh\u00e1c nhau (95,1 MHz, 102,5 MHz, v.v.). B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh radio (b\u1ed9 t\u00e1ch k\u00eanh) c\u1ee7a b\u1ea1n ch\u1ecdn xem b\u1ea1n mu\u1ed1n nghe \u0111\u00e0i n\u00e0o.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/strong> Ph\u00e1t s\u00f3ng radio\/truy\u1ec1n h\u00ecnh truy\u1ec1n th\u1ed1ng, h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i t\u01b0\u01a1ng t\u1ef1 \u0111\u1ea7u ti\u00ean.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Gh\u00e9p k\u00eanh ph\u00e2n chia theo th\u1eddi gian (TDM) \u23f1\ufe0f<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"435\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57d48ccc4142427f8c18a4f3f4b34592.jpg\" alt=\"\u0110a gh\u00e9p k\u00eanh ph\u00e2n chia theo th\u1eddi gian\" class=\"wp-image-5158\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57d48ccc4142427f8c18a4f3f4b34592.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57d48ccc4142427f8c18a4f3f4b34592-300x109.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57d48ccc4142427f8c18a4f3f4b34592-1024x371.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57d48ccc4142427f8c18a4f3f4b34592-768x278.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/57d48ccc4142427f8c18a4f3f4b34592-18x7.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/tdm-time-division-multiplexing-basics-uses-benefits-guide\/\"><strong>TDM<\/strong><\/a> chia k\u00eanh th\u00e0nh c\u00e1c khe th\u1eddi gian c\u00f3 \u0111\u1ed9 d\u00e0i c\u1ed1 \u0111\u1ecbnh. M\u1ed7i t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o chi\u1ebfm to\u00e0n b\u1ed9 b\u0103ng th\u00f4ng c\u1ee7a k\u00eanh, nh\u01b0ng ch\u1ec9 trong m\u1ed9t kho\u1ea3ng th\u1eddi gian gi\u1edbi h\u1ea1n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Minh h\u1ecda:<\/strong> H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t cu\u1ed9c g\u1ecdi h\u1ed9i ngh\u1ecb c\u00f3 ng\u01b0\u1eddi \u0111i\u1ec1u ph\u1ed1i nghi\u00eam ng\u1eb7t. M\u1ed7i ng\u01b0\u1eddi n\u00f3i \u0111\u01b0\u1ee3c 10 gi\u00e2y \u0111\u1ec3 ph\u00e1t bi\u1ec3u, l\u1ea7n l\u01b0\u1ee3t n\u1ed1i ti\u1ebfp nhau theo chu k\u1ef3 li\u00ean t\u1ee5c. Ngay c\u1ea3 khi m\u1ed9t ng\u01b0\u1eddi kh\u00f4ng c\u00f3 g\u00ec \u0111\u1ec3 n\u00f3i, khe th\u1eddi gian c\u1ee7a h\u1ecd v\u1eabn \u0111\u1ec3 tr\u1ed1ng.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/strong> M\u1ea1ng \u0111i\u1ec7n tho\u1ea1i s\u1ed1 truy\u1ec1n th\u1ed1ng <strong>(SONET\/SDH)<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u0110a h\u1ee3p ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM) \ud83c\udf08<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e2fa946457534208bcaf8fdabd39144c.jpg\" alt=\"\u0110a gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng\" class=\"wp-image-5159\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e2fa946457534208bcaf8fdabd39144c.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e2fa946457534208bcaf8fdabd39144c-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e2fa946457534208bcaf8fdabd39144c-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e2fa946457534208bcaf8fdabd39144c-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e2fa946457534208bcaf8fdabd39144c-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\"><strong>WDM<\/strong><\/a> l\u00e0 ng\u00f4i sao s\u00e1ng nh\u1ea5t c\u1ee7a <strong>truy\u1ec1n th\u00f4ng quang s\u1ee3i<\/strong>. V\u1ec1 m\u1eb7t kh\u00e1i ni\u1ec7m, n\u00f3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 FDM nh\u01b0ng s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng (m\u00e0u s\u1eafc) thay v\u00ec t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn. N\u00f3 k\u1ebft h\u1ee3p nhi\u1ec1u t\u00edn hi\u1ec7u mang quang tr\u00ean m\u1ed9t s\u1ee3i quang duy nh\u1ea5t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc s\u00f3ng kh\u00e1c nhau c\u1ee7a \u00e1nh s\u00e1ng laser.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-dwdm-explaining-dense-wavelength-division-multiplexing\/\" target=\"_blank\" rel=\"\"><strong>\u0110a h\u1ee3p ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng m\u1eadt \u0111\u1ed9 cao (DWDM)<\/strong><\/a><strong>:<\/strong> \u0110\u00f3ng g\u00f3i c\u00e1c b\u01b0\u1edbc s\u00f3ng r\u1ea5t s\u00e1t nhau, cho ph\u00e9p s\u1ed1 l\u01b0\u1ee3ng k\u00eanh c\u1ef1c l\u1edbn (80+ ho\u1eb7c th\u1eadm ch\u00ed 160+) tr\u00ean m\u1ed9t s\u1ee3i quang duy nh\u1ea5t. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 n\u1ec1n t\u1ea3ng cho c\u00e1p d\u00e0i v\u00e0 c\u00e1p bi\u1ec3n.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing\/\" target=\"_blank\" rel=\"\"><strong>\u0110a h\u1ee3p ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng th\u00f4 (CWDM)<\/strong><\/a><strong>:<\/strong> S\u1eed d\u1ee5ng kho\u1ea3ng c\u00e1ch r\u1ed9ng h\u01a1n gi\u1eefa c\u00e1c b\u01b0\u1edbc s\u00f3ng, h\u1ed7 tr\u1ee3 \u00edt k\u00eanh h\u01a1n (th\u01b0\u1eddng l\u00e0 18 k\u00eanh) nh\u01b0ng v\u1edbi chi ph\u00ed th\u1ea5p \u0111\u00e1ng k\u1ec3. Ph\u00f9 h\u1ee3p l\u00fd t\u01b0\u1edfng cho kho\u1ea3ng c\u00e1ch ng\u1eafn h\u01a1n, v\u00ed d\u1ee5 nh\u01b0 m\u1ea1ng khu v\u1ef1c \u0111\u00f4 th\u1ecb <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-metropolitan-area-network\/\" target=\"_blank\" rel=\"\"><strong>(MANs)<\/strong><\/a>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/strong> x\u01b0\u01a1ng s\u1ed1ng Internet, m\u1ea1ng l\u00f5i, <strong>k\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/strong>, and <strong>c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a4 So s\u00e1nh c\u00e1c k\u1ef9 thu\u1eadt \u0111a h\u1ee3p: H\u01b0\u1edbng d\u1eabn nhanh<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng sau \u0111\u00e2y t\u00f3m t\u1eaft nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa c\u00e1c k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i n\u00e0y:<\/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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>K\u1ef9 thu\u1eadt<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eabn ch\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>FDM<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chia theo t\u1ea7n s\u1ed1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed3ng, Kh\u00f4ng kh\u00ed (V\u00f4 tuy\u1ebfn)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n gi\u1ea3n, tr\u01b0\u1edfng th\u00e0nh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e1t s\u00f3ng radio\/truy\u1ec1n h\u00ecnh<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>TDM<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chia theo khe th\u1eddi gian<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed3ng, S\u1ee3i quang<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Hi\u1ec7u qu\u1ea3 cho l\u01b0u l\u01b0\u1ee3ng c\u00f3 t\u1ed1c \u0111\u1ed9 h\u1eb1ng \u0111\u1ecbnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng tho\u1ea1i k\u1ebf th\u1eeba<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>WDM<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chia theo b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>S\u1ee3i quang<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng b\u0103ng th\u00f4ng kh\u1ed5ng l\u1ed3<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Trung t\u00e2m d\u1eef li\u1ec7u<\/strong>, x\u01b0\u01a1ng s\u1ed1ng Internet<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>DWDM<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch b\u01b0\u1edbc s\u00f3ng d\u00e0y \u0111\u1eb7c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>S\u1ee3i quang<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Dung l\u01b0\u1ee3ng k\u00eanh t\u1ed1i \u0111a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1p d\u00e0i v\u00e0 c\u00e1p bi\u1ec3n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>CWDM<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch b\u01b0\u1edbc s\u00f3ng th\u00f4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>S\u1ee3i quang<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed hi\u1ec7u qu\u1ea3 cho \u0111\u01b0\u1eddng truy\u1ec1n ng\u1eafn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng \u0111\u00f4 th\u1ecb, doanh nghi\u1ec7p<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a4 Thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng l\u00e0m n\u1ec1n t\u1ea3ng cho \u0111a h\u1ee3p: B\u1ed9 thu ph\u00e1t quang<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ef3 t\u00edch c\u1ee7a WDM kh\u00f4ng t\u1ef1 x\u1ea3y ra. N\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1edd thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng then ch\u1ed1t g\u1ecdi l\u00e0 <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> or <strong>module quang<br><\/strong>. \u0110\u00e2y l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n sang \u00e1nh s\u00e1ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng WDM, c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i b\u1ed9 thu ph\u00e1t \u0111\u1eb7c bi\u1ec7t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/www.l-p.com\/buy-dwdm.htm\" target=\"_blank\" rel=\"\"><strong>B\u1ed9 thu ph\u00e1t DWDM<\/strong><\/a><strong>:<\/strong> C\u00e1c b\u1ed9 n\u00e0y s\u1eed d\u1ee5ng laser \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c \u0111\u1ec3 ph\u00e1t ra \u00e1nh s\u00e1ng \u1edf c\u00e1c b\u01b0\u1edbc s\u00f3ng ti\u00eau chu\u1ea9n ITU c\u1ee5 th\u1ec3 v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/www.l-p.com\/buy-cwdm.htm\" target=\"_blank\" rel=\"\"><strong>B\u1ed9 thu ph\u00e1t CWDM<\/strong><\/a><strong>:<\/strong> C\u00e1c b\u1ed9 n\u00e0y s\u1eed d\u1ee5ng laser \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho l\u01b0\u1edbi b\u01b0\u1edbc s\u00f3ng CWDM c\u00f3 kho\u1ea3ng c\u00e1ch r\u1ed9ng h\u01a1n, do \u0111\u00f3 \u00edt ph\u1ee9c t\u1ea1p v\u00e0 r\u1ebb h\u01a1n.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fac c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t hi\u1ec7u n\u0103ng cao nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. Vi\u1ec7c cung c\u1ea5p c\u00e1c b\u1ed9 thu ph\u00e1t \u0111\u00e1ng tin c\u1eady, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng gh\u00e9p k\u00eanh b\u1ec1n v\u1eefng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5, m\u1ed9t k\u1ef9 s\u01b0 m\u1ea1ng \u0111ang x\u00e2y d\u1ef1ng k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c <strong>trung t\u00e2m d\u1eef li\u1ec7u<\/strong> c\u00f3 th\u1ec3 ch\u1ecdn b\u1ed9 thu ph\u00e1t <strong>100G QSFP28 DWDM<\/strong> Module n\u00e0y cho ph\u00e9p truy\u1ec1n t\u00edn hi\u1ec7u 100G tr\u00ean m\u1ed9t b\u01b0\u1edbc s\u00f3ng DWDM c\u1ee5 th\u1ec3, gi\u00fap k\u1ebft h\u1ee3p c\u00f9ng h\u00e0ng ch\u1ee5c t\u00edn hi\u1ec7u 100G kh\u00e1c tr\u00ean m\u1ed9t c\u1eb7p s\u1ee3i quang duy nh\u1ea5t. \u0110i\u1ec1u n\u00e0y tr\u1ef1c ti\u1ebfp mang l\u1ea1i kh\u1ea3 n\u0103ng t\u1ed1i \u01b0u h\u00f3a <strong>b\u0103ng th\u00f4ng<\/strong> l\u1edbn v\u00e0 gi\u1ea3m chi ph\u00ed <strong>c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ee3i quang<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4 h\u00ecnh b\u1ed9 thu ph\u00e1t quang <strong>LINK-PP<\/strong> kh\u00e1c ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng gh\u00e9p k\u00eanh bao g\u1ed3m <strong>200G CFP2-DCO<\/strong> d\u00e0nh cho DWDM \u0111\u01b0\u1eddng d\u00e0i d\u00f9ng c\u00f4ng ngh\u1ec7 \u0111\u1ed3ng pha v\u00e0 <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27047-10g-cwdm-dwdm-sfp.htm?ca=1592&amp;cv=8851\"><strong>10G SFP+ CWDM<\/strong><\/a> lo\u1ea1t s\u1ea3n ph\u1ea9m d\u00e0nh cho c\u00e1c m\u1ea1ng truy c\u1eadp hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a4 K\u1ebft lu\u1eadn: T\u01b0\u01a1ng lai l\u00e0 \u0111a gh\u00e9p k\u00eanh<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb c\u00e1c s\u00f3ng v\u00f4 tuy\u1ebfn trong kh\u00f4ng kh\u00ed \u0111\u1ebfn c\u00e1c xung \u00e1nh s\u00e1ng trong s\u1ee3i quang n\u1eb1m s\u00e2u d\u01b0\u1edbi \u0111\u00e1y \u0111\u1ea1i d\u01b0\u01a1ng, c\u00e1c k\u1ef9 thu\u1eadt \u0111a gh\u00e9p k\u00eanh l\u00e0 nh\u1eefng anh h\u00f9ng th\u1ea7m l\u1eb7ng c\u1ee7a kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i. Khi nhu c\u1ea7u to\u00e0n c\u1ea7u v\u1ec1 <strong>b\u0103ng th\u00f4ng<br><\/strong> ti\u1ebfp t\u1ee5c b\u00f9ng n\u1ed5, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi s\u1ef1 gia t\u0103ng c\u1ee7a <strong>5G<\/strong>, <strong>AI<\/strong>, and <strong>IoT<\/strong>, c\u00e1c k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn nh\u01b0 DWDM s\u1ebd ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n n\u1eefa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng nguy\u00ean l\u00fd n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao, \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho ng\u00e0y mai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng t\u1ed1i \u01b0u h\u00f3a b\u0103ng th\u00f4ng v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a m\u1ea1ng m\u00ecnh ch\u01b0a?<\/strong> \ud83d\ude80<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1m ph\u00e1 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a><strong>\u2018b\u1ed9 s\u1ea3n ph\u1ea9m \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a<\/strong> c\u00e1c gi\u1ea3i ph\u00e1p hi\u1ec7u su\u1ea5t cao <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-dwdm.htm\"><strong>DWDM<\/strong><\/a><strong> and <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-cwdm.htm\"><strong>CWDM<\/strong><\/a><strong> b\u1ed9 thu ph\u00e1t quang<\/strong> \u0111\u1ec3 t\u00ecm ra gi\u1ea3i ph\u00e1p ho\u00e0n h\u1ea3o cho nhu c\u1ea7u c\u1ee7a b\u1ea1n v\u1ec1 <strong>trung t\u00e2m d\u1eef li\u1ec7u<\/strong> ho\u1eb7c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/support.htm\"><strong>Li\u00ean h\u1ec7 ngay v\u1edbi c\u00e1c chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i h\u00f4m nay \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed!<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>\u0110a gh\u00e9p k\u00eanh trong m\u1ea1ng k\u1ebft h\u1ee3p nhi\u1ec1u t\u00edn hi\u1ec7u th\u00e0nh m\u1ed9t k\u00eanh duy nh\u1ea5t, gi\u00fap truy\u1ec1n d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean m\u1ea1ng t\u1ed1t h\u01a1n.<\/p>","protected":false},"author":1,"featured_media":5160,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5161","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\/5161","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=5161"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5161\/revisions"}],"predecessor-version":[{"id":11162,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5161\/revisions\/11162"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5160"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}