{"id":4324,"date":"2025-06-26T00:00:00","date_gmt":"2025-06-26T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing\/"},"modified":"2026-06-22T09:24:06","modified_gmt":"2026-06-22T09:24:06","slug":"what-is-cwdm-understanding-coarse-wavelength-division-multiplexing","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing","title":{"rendered":"CWDM l\u00e0 g\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 \u0110a H\u1ee3p Ph\u00e2n Chia B\u01b0\u1edbc S\u00f3ng Th\u00f4"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"585\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af.webp\" alt=\"What is CWDM Understanding Coarse Wavelength Division Multiplexing\" class=\"wp-image-4319\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af-300x146.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af-1024x499.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af-768x374.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/207c78495fc74b8386796c0b1b94c0af-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">Trong th\u1ebf gi\u1edbi l\u1ea5y d\u1eef li\u1ec7u l\u00e0m trung t\u00e2m ng\u00e0y nay, c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng li\u00ean t\u1ee5c \u0111\u1ed1i m\u1eb7t v\u1edbi th\u00e1ch th\u1ee9c: <\/span><span class=\"qc-p1-tag\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u0103ng b\u0103ng th\u00f4ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed tr\u00ean c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang hi\u1ec7n c\u00f3?<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> C\u00e2u tr\u1ea3 l\u1eddi th\u01b0\u1eddng kh\u00f4ng n\u1eb1m \u1edf vi\u1ec7c l\u1eafp \u0111\u1eb7t th\u00eam c\u00e1p quang, m\u00e0 \u1edf vi\u1ec7c khai th\u00e1c c\u00e1c s\u1ee3i c\u00e1p hi\u1ec7n c\u00f3 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u v\u1ec1 <\/span><span class=\"qc-p1-tag\"><strong>\u0110a h\u1ee3p ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng th\u00f4 (CWDM)<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">, m\u1ed9t c\u00f4ng ngh\u1ec7 m\u1ea1ng quang m\u1ea1nh m\u1ebd v\u00e0 d\u1ec5 ti\u1ebfp c\u1eadn. Nh\u01b0ng CWDM th\u1ef1c ch\u1ea5t l\u00e0 g\u00ec, v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u1ea1ng c\u1ee7a b\u1ea1n?<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CWDM<\/strong> cho ph\u00e9p nhi\u1ec1u t\u00edn hi\u1ec7u d\u1eef li\u1ec7u di chuy\u1ec3n \u0111\u1ed3ng th\u1eddi tr\u00ean m\u1ed9t s\u1ee3i c\u00e1p quang. N\u00f3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng kh\u00e1c nhau, c\u00e1ch nhau 20 nanomet.<\/p><\/li>\n\n\n\n<li><p>N\u00f3 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 n\u0103ng l\u01b0\u1ee3ng v\u00ec s\u1eed d\u1ee5ng laser kh\u00f4ng l\u00e0m m\u00e1t v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n th\u1ee5 \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y khi\u1ebfn n\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho m\u1ea1ng \u0111\u00f4 th\u1ecb v\u00e0 m\u1ea1ng khu\u00f4n vi\u00ean.<\/p><\/li>\n\n\n\n<li><p>CWDM c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a 18 k\u00eanh. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong ph\u1ea1m vi l\u00ean \u0111\u1ebfn 80 km. B\u1ea1n kh\u00f4ng c\u1ea7n l\u1eafp \u0111\u1eb7t c\u00e1p quang m\u1edbi.<\/p><\/li>\n\n\n\n<li><p>H\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng c\u00e1c \u0111\u01a1n v\u1ecb gh\u00e9p k\u00eanh\/t\u00e1ch k\u00eanh (mux\/demux) v\u00e0 <a href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\" target=\"_blank\" rel=\"\"><strong>b\u1ed9 thu ph\u00e1t quang.<\/strong><\/a> Nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0y gi\u00fap k\u1ebft h\u1ee3p v\u00e0 t\u00e1ch bi\u1ec7t c\u00e1c t\u00edn hi\u1ec7u. Nh\u1edd \u0111\u00f3, vi\u1ec7c m\u1edf r\u1ed9ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh m\u1ea1ng tr\u1edf n\u00ean d\u1ec5 d\u00e0ng.<\/p><\/li>\n\n\n\n<li><p><strong>CWDM c\u00f3 chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 d\u1ec5 tri\u1ec3n khai h\u01a1n<\/strong> so v\u1edbi DWDM. Tuy nhi\u00ean, n\u00f3 c\u00f3 \u00edt k\u00eanh h\u01a1n v\u00e0 ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong kho\u1ea3ng c\u00e1ch ng\u1eafn h\u01a1n. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 trung b\u00ecnh v\u00e0 kho\u1ea3ng c\u00e1ch v\u1eeba ph\u1ea3i.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd Hi\u1ec3u r\u00f5 kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i: CWDM l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"585\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa.webp\" alt=\"CWDM\" class=\"wp-image-4320\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa-300x146.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa-1024x499.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa-768x374.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d91e2df808d549329b2b6ba22e7d9daa-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t xa l\u1ed9 nhi\u1ec1u l\u00e0n. Thay v\u00ec cho t\u1ea5t c\u1ea3 ph\u01b0\u01a1ng ti\u1ec7n \u0111i qua m\u1ed9t l\u00e0n duy nh\u1ea5t g\u00e2y \u00f9n t\u1eafc, nhi\u1ec1u l\u00e0n cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng giao th\u00f4ng di\u1ec5n ra \u0111\u1ed3ng th\u1eddi, t\u1eeb \u0111\u00f3 t\u0103ng \u0111\u00e1ng k\u1ec3 th\u00f4ng l\u01b0\u1ee3ng. CWDM ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean l\u00fd t\u01b0\u01a1ng t\u1ef1 tr\u00ean c\u00e1p quang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CWDM l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 cho ph\u00e9p truy\u1ec1n \u0111\u1ed3ng th\u1eddi nhi\u1ec1u t\u00edn hi\u1ec7u quang (m\u1ed7i t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c mang b\u1edfi m\u1ed9t b\u01b0\u1edbc s\u00f3ng ri\u00eang bi\u1ec7t \u2014 hay c\u00f2n g\u1ecdi l\u00e0 \u201cm\u00e0u\u201d \u2014 c\u1ee7a tia laser) tr\u00ean m\u1ed9t s\u1ee3i c\u00e1p quang duy nh\u1ea5t.<\/strong> M\u1ed7i b\u01b0\u1edbc s\u00f3ng \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t k\u00eanh \u0111\u1ed9c l\u1eadp, mang lu\u1ed3ng d\u1eef li\u1ec7u ri\u00eang. Thu\u1eadt ng\u1eef \u201cth\u00f4\u201d (Coarse) \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kho\u1ea3ng c\u00e1ch l\u1edbn h\u01a1n gi\u1eefa c\u00e1c b\u01b0\u1edbc s\u00f3ng n\u00e0y so v\u1edbi c\u00f4ng ngh\u1ec7 anh em c\u1ee7a n\u00f3 l\u00e0 \u0110a h\u1ee3p ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng d\u00e0y \u0111\u1eb7c (DWDM). CWDM ti\u00eau chu\u1ea9n s\u1eed d\u1ee5ng 18 b\u01b0\u1edbc s\u00f3ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi l\u01b0\u1edbi ITU-T G.694.2, c\u00e1ch nhau 20 nanomet (nm), th\u01b0\u1eddng n\u1eb1m trong d\u1ea3i 1270 nm \u0111\u1ebfn 1610 nm (m\u1eb7c d\u00f9 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 t\u1eeb 1470 nm \u0111\u1ebfn 1610 nm).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CWDM<\/strong> l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a nh\u00f3m c\u00f4ng ngh\u1ec7 l\u1edbn h\u01a1n mang t\u00ean <a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\"><strong>\u0111a h\u1ee3p ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng<\/strong><\/a>, hay WDM. WDM ngh\u0129a l\u00e0 g\u1eedi nhi\u1ec1u t\u00edn hi\u1ec7u tr\u00ean m\u1ed9t s\u1ee3i c\u00e1p quang b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc s\u00f3ng kh\u00e1c nhau. <strong>CWDM<\/strong> \u0111\u1eb7c bi\u1ec7t \u1edf ch\u1ed7 s\u1eed d\u1ee5ng laser kh\u00f4ng l\u00e0m m\u00e1t v\u00e0 kho\u1ea3ng c\u00e1ch k\u00eanh r\u1ed9ng h\u01a1n. Thi\u1ebft k\u1ebf n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m chi ph\u00ed. <strong>CWDM<\/strong> ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t trong ph\u1ea1m vi l\u00ean \u0111\u1ebfn 80 km. N\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho m\u1ea1ng \u0111\u00f4 th\u1ecb, li\u00ean k\u1ebft khu\u00f4n vi\u00ean v\u00e0 m\u1ea1ng truy nh\u1eadp.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd CWDM ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o: C\u00e1c th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"585\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5.webp\" alt=\"CWDM\" class=\"wp-image-4321\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5-300x146.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5-1024x499.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5-768x374.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5a3a735bb3da4686be38f3580cb4ecb5-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t h\u1ec7 th\u1ed1ng CWDM c\u01a1 b\u1ea3n bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh sau:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>B\u1ed9 ph\u00e1t CWDM <\/strong><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/laser-type-in-optical-transceiver\/\" target=\"_blank\" rel=\"\"><strong>(Laser)<\/strong><\/a><strong>:<\/strong> \u0110\u1eb7t t\u1ea1i \u0111\u1ea7u ph\u00e1t, m\u1ed7i ngu\u1ed3n t\u00edn hi\u1ec7u (v\u00ed d\u1ee5: b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c m\u00e1y ch\u1ee7) \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t <strong>m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang<\/strong>. M\u00f4-\u0111un n\u00e0y ph\u00e1t ra ch\u00f9m tia laser t\u1ea1i m\u1ed9t b\u01b0\u1edbc s\u00f3ng CWDM c\u1ee5 th\u1ec3.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>B\u1ed9 gh\u00e9p k\u00eanh CWDM (Mux):<\/strong> Thi\u1ebft b\u1ecb th\u1ee5 \u0111\u1ed9ng n\u00e0y k\u1ebft h\u1ee3p (gh\u00e9p k\u00eanh) t\u1ea5t c\u1ea3 c\u00e1c t\u00edn hi\u1ec7u quang ri\u00eang l\u1ebb \u2014 m\u1ed7i t\u00edn hi\u1ec7u tr\u00ean m\u1ed9t b\u01b0\u1edbc s\u00f3ng duy nh\u1ea5t \u2014 v\u00e0o m\u1ed9t s\u1ee3i c\u00e1p quang \u0111i ra duy nh\u1ea5t. H\u00e3y h\u00ecnh dung n\u00f3 nh\u01b0 l\u00e0n \u0111\u01b0\u1eddng nh\u1eadp v\u00e0o, h\u1ee3p nh\u1ea5t t\u1ea5t c\u1ea3 c\u00e1c l\u00e0n ri\u00eang bi\u1ec7t theo b\u01b0\u1edbc s\u00f3ng v\u00e0o xa l\u1ed9 c\u00e1p quang ch\u00ednh.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>S\u1ee3i c\u00e1p quang:<\/strong> S\u1ee3i duy nh\u1ea5t n\u00e0y mang t\u00edn hi\u1ec7u \u0111a b\u01b0\u1edbc s\u00f3ng \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p \u0111i qua kho\u1ea3ng c\u00e1ch, t\u1eeb v\u00e0i km \u0111\u1ebfn 80 km ho\u1eb7c h\u01a1n, t\u00f9y thu\u1ed9c v\u00e0o b\u1ed9 thu ph\u00e1t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1p quang.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>B\u1ed9 t\u00e1ch k\u00eanh CWDM (Demux):<\/strong> T\u1ea1i \u0111\u1ea7u thu, thi\u1ebft b\u1ecb th\u1ee5 \u0111\u1ed9ng n\u00e0y th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng ng\u01b0\u1ee3c l\u1ea1i. N\u00f3 t\u00e1ch (t\u00e1ch k\u00eanh) t\u00edn hi\u1ec7u k\u1ebft h\u1ee3p tr\u1edf l\u1ea1i th\u00e0nh c\u00e1c b\u01b0\u1edbc s\u00f3ng ri\u00eang l\u1ebb. H\u00e3y h\u00ecnh dung n\u00f3 nh\u01b0 l\u00e0n \u0111\u01b0\u1eddng xu\u1ea5t ra, ph\u00e2n chia xa l\u1ed9 tr\u1edf l\u1ea1i th\u00e0nh c\u00e1c l\u00e0n ri\u00eang bi\u1ec7t.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>B\u1ed9 thu CWDM <\/strong><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/pin-apd-photodiode-technologies-applications\/\" target=\"_blank\" rel=\"\"><strong>(B\u1ed9 d\u00f2 quang)<\/strong><\/a><strong>:<\/strong> M\u1ed7i b\u01b0\u1edbc s\u00f3ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00e1ch ri\u00eang s\u1ebd \u0111\u01b0\u1ee3c d\u1eabn t\u1edbi b\u1ed9 thu t\u01b0\u01a1ng \u1ee9ng c\u1ee7a n\u00f3 t\u1ea1i \u0111\u1ea7u thu, n\u01a1i chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u quang tr\u1edf l\u1ea1i th\u00e0nh t\u00edn hi\u1ec7u d\u1eef li\u1ec7u \u0111i\u1ec7n cho thi\u1ebft b\u1ecb \u0111\u00edch. <strong>m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang<\/strong> \u27bd Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a c\u00f4ng ngh\u1ec7 CWDM.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0110\u00e2y l\u00e0 \u0111i\u1ec3m m\u1ea1nh l\u1edbn nh\u1ea5t c\u1ee7a CWDM. Kho\u1ea3ng c\u00e1ch k\u00eanh r\u1ed9ng h\u01a1n cho ph\u00e9p:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>Hi\u1ec7u qu\u1ea3 chi ph\u00ed:<\/strong> S\u1eed d\u1ee5ng laser kh\u00f4ng l\u00e0m m\u00e1t gi\u00e1 r\u1ebb h\u01a1n trong c\u00e1c<\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">B\u1ed9 l\u1ecdc chi ph\u00ed th\u1ea5p h\u01a1n trong c\u00e1c <strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao<\/strong>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">B\u1ed9 gh\u00e9p\/t\u00e1ch k\u00eanh (Mux\/Demux) <strong>.<\/strong> Gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">T\u0103ng dung l\u01b0\u1ee3ng c\u00e1p quang:.<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Nh\u00e2n ngay l\u1eadp t\u1ee9c dung l\u01b0\u1ee3ng c\u1ee7a m\u1ed9t c\u1eb7p s\u1ee3i c\u00e1p quang (ph\u00e1t v\u00e0 thu) l\u00ean 8, 16 ho\u1eb7c 18 k\u00eanh, t\u00f9y theo thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y tr\u00ec ho\u00e3n ho\u1eb7c lo\u1ea1i b\u1ecf nhu c\u1ea7u l\u1eafp \u0111\u1eb7t c\u00e1p quang m\u1edbi t\u1ed1n k\u00e9m.<\/strong> \u0110\u01a1n gi\u1ea3n &amp; \u0110\u1ed9 tin c\u1eady cao:.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e1c thi\u1ebft b\u1ecb gh\u00e9p\/t\u00e1ch k\u00eanh (Mux\/Demux) th\u1ee5 \u0111\u1ed9ng kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n v\u00e0 kh\u00f4ng c\u00f3 th\u00e0nh ph\u1ea7n ch\u1ee7 \u0111\u1ed9ng, do \u0111\u00f3 r\u1ea5t \u0111\u00e1ng tin c\u1eady v\u00e0 d\u1ec5 tri\u1ec3n khai. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 thu ph\u00e1t d\u1ea1ng c\u1eafm r\u1eddi (pluggable)<\/strong> gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec. <a href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\" target=\"_blank\" rel=\"\"><strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao<\/strong><\/a> T\u00ednh minh b\u1ea1ch:.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>CWDM \u0111\u1ed9c l\u1eadp v\u1edbi giao th\u1ee9c v\u00e0 t\u1ed1c \u0111\u1ed9 bit. N\u00f3 c\u00f3 th\u1ec3 truy\u1ec1n \u0111\u1ed3ng th\u1eddi c\u00e1c d\u1ecbch v\u1ee5 nh\u01b0 Ethernet (1G, 10G, 25G), SONET\/SDH, Fiber Channel, CPRI v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c tr\u00ean c\u00f9ng m\u1ed9t s\u1ee3i c\u00e1p quang.<\/strong> C\u00e1c th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu l\u00e0 th\u1ee5 \u0111\u1ed9ng v\u00e0 b\u1ed9 thu ph\u00e1t kh\u00f4ng l\u00e0m m\u00e1t d\u1eabn \u0111\u1ebfn m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng DWDM.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Ti\u00eau th\u1ee5 \u0111i\u1ec7n th\u1ea5p:<\/strong> B\u1eaft \u0111\u1ea7u v\u1edbi v\u00e0i k\u00eanh v\u00e0 t\u0103ng d\u1ea7n s\u1ed1 b\u01b0\u1edbc s\u00f3ng khi nhu c\u1ea7u b\u0103ng th\u00f4ng gia t\u0103ng, ch\u1ec9 c\u1ea7n th\u00eam b\u1ed9 thu ph\u00e1t m\u1edbi v\u00e0 c\u00f3 th\u1ec3 n\u00e2ng c\u1ea5p b\u1ed9 gh\u00e9p\/t\u00e1ch k\u00eanh (Mux\/Demux).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> \u27bd So s\u00e1nh CWDM v\u00e0 DWDM: L\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u gh\u00e9p nhi\u1ec1u b\u01b0\u1edbc s\u00f3ng, nh\u01b0ng nh\u1eefng kh\u00e1c bi\u1ec7t then ch\u1ed1t x\u00e1c \u0111\u1ecbnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1i \u01b0u c\u1ee7a ch\u00fang:<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-1024x608.webp\" alt=\"CWDM vs. DWDM: Choosing the Right Tool\" class=\"wp-image-4322\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82-18x12.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/29e990355e6a4bb98eef23e4eee09e82.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">0,8 nm, 0,4 nm (ho\u1eb7c nh\u1ecf h\u01a1n)<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>CWDM<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>DWDM<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Kho\u1ea3ng c\u00e1ch k\u00eanh<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>20nm<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ed1 k\u00eanh<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>T\u1ed1i \u0111a 18 k\u00eanh (1270\u20131610 nm)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40, 80, 96, 120+ k\u00eanh (d\u1ea3i C: ~1530\u20131565 nm)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Laser DFB kh\u00f4ng l\u00e0m m\u00e1t (chi ph\u00ed th\u1ea5p h\u01a1n)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Lo\u1ea1i laser<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DFB kh\u00f4ng l\u00e0m m\u00e1t (Chi ph\u00ed th\u1ea5p h\u01a1n)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DFB L\u00e0m L\u1ea1nh B\u1eb1ng Nhi\u1ec7t \u0110\u1ed9 (Chi Ph\u00ed Cao H\u01a1n, \u0110\u1ed9 Ch\u00ednh X\u00e1c Cao)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cost<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Lower<\/strong> (B\u1ed9 Thu Ph\u00e1t Quang &amp; B\u1ed9 K\u1ebft H\u1ee3p\/T\u00e1ch S\u00f3ng)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ti\u00eau Th\u1ee5 N\u0103ng L\u01b0\u1ee3ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lower<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao H\u01a1n (Do s\u1eed d\u1ee5ng laser l\u00e0m l\u1ea1nh v\u00e0 b\u1ed9 khu\u1ebfch \u0111\u1ea1i)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>10km, 20km, 40km<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u01b0\u1eddng l\u00ean \u0111\u1ebfn 80 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u00e0ng Tr\u0103m \u0110\u1ebfn H\u00e0ng Ngh\u00ecn Km (v\u1edbi b\u1ed9 khu\u1ebfch \u0111\u1ea1i)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ph\u00f9 h\u1ee3p nh\u1ea5t cho<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy C\u1eadp \u0110\u00f4 Th\u1ecb, M\u1ea1ng Doanh Nghi\u1ec7p, Truy\u1ec1n D\u1eabn Ng\u1eafn\u2013Trung, T\u0103ng Dung L\u01b0\u1ee3ng V\u1edbi Chi Ph\u00ed Nh\u1ea1y C\u1ea3m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><span class=\"qc-p1-tag\">Truy\u1ec1n D\u1eabn Xa, Dung L\u01b0\u1ee3ng Si\u00eau Cao, L\u00f5i \u0110\u00f4 Th\u1ecb<\/span><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd C\u00e1c Tr\u01b0\u1eddng H\u1ee3p S\u1eed D\u1ee5ng: N\u01a1i CWDM Ph\u00e1t Huy T\u1ed1i \u0110a Hi\u1ec7u Qu\u1ea3<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">CWDM \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi vi\u1ec7c m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>M\u1edf R\u1ed9ng \u0110\u01b0\u1eddng Truy\u1ec1n Ch\u00ednh C\u1ee7a M\u1ea1ng Doanh Nghi\u1ec7p:<\/strong> K\u1ebft n\u1ed1i c\u00e1c t\u00f2a nh\u00e0 ho\u1eb7c trung t\u00e2m d\u1eef li\u1ec7u trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng ho\u1eb7c th\u00e0nh ph\u1ed1 m\u00e0 kh\u00f4ng c\u1ea7n l\u1eafp \u0111\u1eb7t th\u00eam c\u00e1p quang.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Truy\u1ec1n D\u1eabn Tr\u01b0\u1edbc\/Sau Di \u0110\u1ed9ng (xHaul):<\/strong> T\u1eadp h\u1ee3p l\u01b0u l\u01b0\u1ee3ng t\u1eeb nhi\u1ec1u tr\u1ea1m ph\u00e1t s\u00f3ng di \u0111\u1ed9ng v\u1ec1 v\u0103n ph\u00f2ng trung t\u00e2m ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>M\u1ea1ng Truy\u1ec1n H\u00ecnh C\u00e1p (CATV):<\/strong> K\u1ebft h\u1ee3p d\u1ecbch v\u1ee5 video ph\u00e1t s\u00f3ng v\u00e0 d\u1ecbch v\u1ee5 d\u1eef li\u1ec7u DOCSIS.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>M\u1ea1ng Truy C\u1eadp Ethernet \u0110\u00f4 Th\u1ecb:<\/strong> Cung c\u1ea5p d\u1ecbch v\u1ee5 b\u0103ng th\u00f4ng cao cho kh\u00e1ch h\u00e0ng doanh nghi\u1ec7p.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Li\u00ean k\u1ebft gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u (DCI):<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c li\u00ean k\u1ebft ng\u1eafn (d\u01b0\u1edbi 80 km) gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u g\u1ea7n nhau.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>G\u1ed9p Giao Th\u1ee9c:<\/strong> Truy\u1ec1n t\u1ea3i c\u00e1c d\u1ecbch v\u1ee5 h\u1ed7n h\u1ee3p (Ethernet, L\u01b0u Tr\u1eef, TDM \u0110\u1eddi C\u0169) tr\u00ean m\u1ed9t c\u1eb7p s\u1ee3i quang duy nh\u1ea5t.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd LINK-PP: \u0110\u1ed1i T\u00e1c C\u1ee7a B\u1ea1n Cho C\u00e1c Gi\u1ea3i Ph\u00e1p Quang H\u1ecdc CWDM<\/strong><\/h2>\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\/0885caacb1df408e8a440a34fe769f23.webp\" alt=\"LINK-PP\" class=\"wp-image-4323\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0885caacb1df408e8a440a34fe769f23-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 \u0111\u00e1ng tin c\u1eady, <strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao<\/strong> c\u0169ng nh\u01b0 c\u00e1c th\u00e0nh ph\u1ea7n th\u1ee5 \u0111\u1ed9ng, l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t nh\u1eb1m \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd t\u1ed1i \u01b0u cho m\u1ea1ng CWDM. <strong>LINK-PP<\/strong> cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c gi\u1ea3i ph\u00e1p CWDM tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>B\u1ed9 Thu Ph\u00e1t Quang CWDM Hi\u1ec7u Su\u1ea5t Cao (SFP, SFP+, XFP, QSFP+):<\/strong> H\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1eeb 1G \u0111\u1ebfn 100G, \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho nhi\u1ec1u kho\u1ea3ng c\u00e1ch truy\u1ec1n kh\u00e1c nhau. V\u00ed d\u1ee5, b\u1ed9 <strong>LINK-PP LS-CW471G-20C<\/strong> cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i 1,25G tr\u00ean kho\u1ea3ng c\u00e1ch l\u00ean \u0111\u1ebfn 20 km \u1edf b\u01b0\u1edbc s\u00f3ng 1470 nm. C\u1ea7n 10G? H\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng <strong>LINK-PP <\/strong><a href=\"https:\/\/www.l-p.com\/products\/484293.htm\" target=\"_blank\" rel=\"\"><strong>LS-CW5710-40C<\/strong><\/a> \u0111\u1ec3 \u0111\u1ea1t ph\u1ea1m vi truy\u1ec1n \u1ed5n \u0111\u1ecbnh l\u00ean \u0111\u1ebfn 40 km. <a href=\"https:\/\/www.l-p.com\/sample.htm\" target=\"_blank\" rel=\"\"><strong><em>Y\u00eau C\u1ea7u M\u1eabu \u27a1<\/em><\/strong><\/a><\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>M\u00f4-\u0111un K\u1ebft H\u1ee3p\/T\u00e1ch S\u00f3ng CWDM:<\/strong> C\u00e1c m\u00f4-\u0111un c\u00f3 \u0111\u1ed9 c\u00e1ch ly cao, t\u1ed5n hao ch\u00e8n th\u1ea5p, s\u1eb5n c\u00f3 \u1edf nhi\u1ec1u c\u1ea5u h\u00ecnh k\u00eanh (2, 4, 8, 9, 16, 18 k\u00eanh), d\u01b0\u1edbi d\u1ea1ng gi\u00e1 rack 1U, d\u1ea1ng LGX ho\u1eb7c h\u1ed9p \u0111\u1ed9c l\u1eadp.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>B\u1ed9 K\u1ebft H\u1ee3p\/T\u00e1ch S\u00f3ng Quang H\u1ecdc CWDM (OADMs):<\/strong> \u0110\u1ec3 th\u00eam ho\u1eb7c t\u00e1ch c\u00e1c b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3 t\u1ea1i c\u00e1c \u0111i\u1ec3m trung gian m\u00e0 kh\u00f4ng c\u1ea7n ng\u1eaft to\u00e0n b\u1ed9 li\u00ean k\u1ebft.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch Ch\u1ecdn B\u1ed9 Thu Ph\u00e1t Quang CWDM Ph\u00f9 H\u1ee3p<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi t\u00ecm mua <strong>c\u00e1c b\u1ed9 thu ph\u00e1t quang CWDM,<\/strong>, h\u00e3y \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 xem x\u00e9t c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nh\u01b0 b\u01b0\u1edbc s\u00f3ng, t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u, kho\u1ea3ng c\u00e1ch truy\u1ec1n (v\u00ed d\u1ee5: 40 km, 80 km), lo\u1ea1i \u0111\u1ea7u n\u1ed1i (th\u01b0\u1eddng l\u00e0 LC duplex), v\u00e0 d\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng. Vi\u1ec7c h\u1ee3p t\u00e1c v\u1edbi nh\u00e0 cung c\u1ea5p uy t\u00edn nh\u01b0 <strong>LINK-PP<\/strong> s\u1ebd \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u00e0 h\u1ed7 tr\u1ee3 d\u00e0i h\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27bd K\u1ebft Lu\u1eadn: Khai Th\u00e1c Ti\u1ec1m N\u0103ng C\u00e1p Quang C\u1ee7a B\u1ea1n V\u1edbi CWDM<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 CWDM v\u1eabn l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p thi\u1ebft y\u1ebfu v\u00e0 th\u1ef1c ti\u1ec5n cao nh\u1eb1m t\u1ed1i \u0111a h\u00f3a vi\u1ec7c khai th\u00e1c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang hi\u1ec7n c\u00f3. S\u1ef1 k\u1ebft h\u1ee3p h\u1ea5p d\u1eabn c\u1ee7a n\u00f3 \u2014 bao g\u1ed3m vi\u1ec7c gia t\u0103ng \u0111\u00e1ng k\u1ec3 dung l\u01b0\u1ee3ng, hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u1ed1n c\u00f3, t\u00ednh \u0111\u01a1n gi\u1ea3n trong v\u1eadn h\u00e0nh v\u00e0 t\u00ednh linh ho\u1ea1t v\u1ec1 giao th\u1ee9c \u2014 khi\u1ebfn CWDM tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng \u0111ang gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c v\u1ec1 b\u0103ng th\u00f4ng trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, truy c\u1eadp \u0111\u00f4 th\u1ecb v\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eb5n s\u00e0ng kh\u00e1m ph\u00e1 c\u00e1ch CWDM gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft c\u00e1c gi\u1edbi h\u1ea1n v\u1ec1 b\u0103ng th\u00f4ng?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Duy\u1ec7t qua danh m\u1ee5c phong ph\u00fa c\u00e1c b\u1ed9 thu ph\u00e1t quang CWDM ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a ch\u00fang t\u00f4i. <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-cwdm.htm\"><strong>Truy c\u1eadp trang web LINK-PP \u27a6<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Thi\u1ebft k\u1ebf gi\u1ea3i ph\u00e1p CWDM hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t, \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a theo y\u00eau c\u1ea7u m\u1ea1ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/support.htm\"><strong>Li\u00ean H\u1ec7 C\u00e1c Chuy\u00ean Gia K\u1ef9 Thu\u1eadt C\u1ee7a Ch\u00fang T\u00f4i <\/strong><\/a><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-cwdm.htm\"><strong>\u27a6<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1eebng \u0111\u1ec3 gi\u1edbi h\u1ea1n dung l\u01b0\u1ee3ng c\u00e1p quang k\u00ecm h\u00e3m s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ea1n \u2013 h\u00e3y khai ph\u00e1 ti\u1ec1m n\u0103ng c\u00f9ng CWDM v\u00e0 LINK-PP!<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27bd Xem Th\u00eam<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\">T\u00ecm Hi\u1ec3u C\u00f4ng Ngh\u1ec7 WDM V\u00e0 C\u00e1c \u1ee8ng D\u1ee5ng C\u1ee7a N\u00f3 Trong M\u1ea1ng Quang<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/dual-rate-transceivers-key-features\/\">Gi\u1edbi Thi\u1ec7u C\u1ed9ng \u0110\u1ed3ng M\u1ea1ng LINK-PP<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>CWDM l\u00e0 g\u00ec? CWDM l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 quang s\u1ee3i ti\u1ebft ki\u1ec7m chi ph\u00ed, t\u0103ng b\u0103ng th\u00f4ng b\u1eb1ng c\u00e1ch \u0111a h\u1ee3p nhi\u1ec1u b\u01b0\u1edbc s\u00f3ng tr\u00ean m\u1ed9t s\u1ee3i quang \u0111\u01a1n.<\/p>","protected":false},"author":1,"featured_media":4319,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-4324","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\/4324","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=4324"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4324\/revisions"}],"predecessor-version":[{"id":11447,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4324\/revisions\/11447"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4319"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}