{"id":5886,"date":"2025-07-01T00:00:00","date_gmt":"2025-07-01T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/cwdm-vs-dwdm-vs-mwdm-vs-lwdm-vs-swdm-differences\/"},"modified":"2026-06-22T09:23:15","modified_gmt":"2026-06-22T09:23:15","slug":"cwdm-vs-dwdm-vs-mwdm-vs-lwdm-vs-swdm-differences","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/cwdm-vs-dwdm-vs-mwdm-vs-lwdm-vs-swdm-differences","title":{"rendered":"CWDM so v\u1edbi DWDM so v\u1edbi MWDM so v\u1edbi LWDM so v\u1edbi SWDM: L\u1ef1a Ch\u1ecdn Chi\u1ebfn L\u01b0\u1ee3c B\u01b0\u1edbc S\u00f3ng Ph\u00f9 H\u1ee3p Cho M\u1ea1ng C\u1ee7a B\u1ea1n"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d99ca5082ccb431ca7ba2b8c3a90a028.webp\" alt=\" CWDM vs DWDM vs MWDM vs LWDM vs SWDM\" class=\"wp-image-5879\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d99ca5082ccb431ca7ba2b8c3a90a028.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d99ca5082ccb431ca7ba2b8c3a90a028-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d99ca5082ccb431ca7ba2b8c3a90a028-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d99ca5082ccb431ca7ba2b8c3a90a028-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d99ca5082ccb431ca7ba2b8c3a90a028-18x12.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 h\u00e0nh tr\u00ecnh kh\u00f4ng ng\u1eebng ngh\u1ec9 nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u0103ng th\u00f4ng cao h\u01a1n v\u00e0 s\u1eed d\u1ee5ng s\u1ee3i quang hi\u1ec7u qu\u1ea3 h\u01a1n,<br>, <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\"><span class=\"qc-p1-tag\" style=\"color: var(--qc-color8);\"><strong>, trong \u0111\u00f3:<\/strong><\/span><\/a><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> c\u00e1c c\u00f4ng ngh\u1ec7 n\u00e0y l\u00e0 n\u1ec1n t\u1ea3ng. Tuy nhi\u00ean, vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa m\u1ed9t \u201cm\u1edb h\u1ed7n \u0111\u1ed9n\u201d c\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 CWDM, DWDM, MWDM, LWDM v\u00e0 SWDM c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n. M\u1ed7i c\u00f4ng ngh\u1ec7 \u0111\u1ec1u mang l\u1ea1i nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u m\u1ea1ng v\u00e0 ng\u00e2n s\u00e1ch c\u1ee5 th\u1ec3. L\u00e0 m\u1ed9t k\u1ef9 s\u01b0 quang h\u1ecdc chuy\u00ean nghi\u1ec7p, h\u00e3y c\u00f9ng l\u00e0m r\u00f5 nh\u1eefng c\u00f4ng ngh\u1ec7 n\u00e0y v\u00e0 h\u01b0\u1edbng d\u1eabn b\u1ea1n l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u<br> <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><span class=\"qc-p1-tag\" style=\"color: var(--qc-color8);\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/span><\/a><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> , bao g\u1ed3m c\u1ea3 c\u00e1c t\u00f9y ch\u1ecdn hi\u1ec7u su\u1ea5t cao t\u1eeb<br> <\/span><span class=\"qc-p1-tag\"><strong>LINK-PP<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch so s\u00e1nh<br> <strong>CWDM so v\u1edbi DWDM so v\u1edbi MWDM so v\u1edbi LWDM so v\u1edbi SWDM<\/strong>, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u1ee7a m\u00ecnh \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 y\u00eau c\u1ea7u v\u1ec1 dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u, kho\u1ea3ng c\u00e1ch truy\u1ec1n v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang c\u00f4ng ngh\u1ec7 gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM) s\u1ebd \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t m\u1ea1ng t\u1ed1i \u01b0u, \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a theo nhu c\u1ea7u c\u1ee7a b\u1ea1n.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 Hi\u1ec3u nguy\u00ean l\u00fd c\u1ed1t l\u00f5i: Gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM)<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>WDM<\/strong> t\u0103ng dung l\u01b0\u1ee3ng s\u1ee3i quang b\u1eb1ng c\u00e1ch truy\u1ec1n \u0111\u1ed3ng th\u1eddi nhi\u1ec1u t\u00edn hi\u1ec7u quang tr\u00ean m\u1ed9t s\u1ee3i quang duy nh\u1ea5t. M\u1ed7i t\u00edn hi\u1ec7u di chuy\u1ec3n tr\u00ean m\u1ed9t b\u01b0\u1edbc s\u00f3ng (ho\u1eb7c \u201cm\u00e0u\u201d) \u00e1nh s\u00e1ng ri\u00eang bi\u1ec7t, hi\u1ec7u qu\u1ea3 t\u1ea1o ra c\u00e1c l\u00e0n d\u1eef li\u1ec7u song song. S\u1ef1 kh\u00e1c bi\u1ec7t n\u1eb1m \u1edf kho\u1ea3ng c\u00e1ch k\u00eanh, d\u1ea3i b\u01b0\u1edbc s\u00f3ng, dung l\u01b0\u1ee3ng, t\u1ea7m xa v\u00e0 chi ph\u00ed.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng th\u00f4 (CWDM)<br><\/strong><\/p>\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\/75091c58e5f3475cac299003bb22266b.webp\" alt=\"CWDM\" class=\"wp-image-5880\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/75091c58e5f3475cac299003bb22266b.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/75091c58e5f3475cac299003bb22266b-300x146.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/75091c58e5f3475cac299003bb22266b-1024x499.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/75091c58e5f3475cac299003bb22266b-768x374.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/75091c58e5f3475cac299003bb22266b-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch k\u00eanh:<br><\/strong> 20nm<br><\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c k\u00eanh ph\u1ed5 bi\u1ebfn:<br><\/strong> 18 k\u00eanh (t\u1eeb 1270nm \u0111\u1ebfn 1610nm)<br><\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/strong> S\u1eed d\u1ee5ng laser kh\u00f4ng l\u00e0m m\u00e1t, chi ph\u00ed tr\u00ean m\u1ed7i k\u00eanh th\u1ea5p \u0111\u00e1ng k\u1ec3, thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n h\u01a1n, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n.<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u1ee8ng D\u1ee5ng:<\/strong> Ph\u1ea1m vi ng\u1eafn \u0111\u1ebfn trung b\u00ecnh<br> <strong>(l\u00ean t\u1edbi 80km)<br><\/strong>, m\u1ea1ng \u0111\u00f4 th\u1ecb truy c\u1eadp chi ph\u00ed nh\u1ea1y c\u1ea3m, m\u1ea1ng doanh nghi\u1ec7p, li\u00ean k\u1ebft \u0111i\u1ec3m-\u0111i\u1ec3m.<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u01afu \u0111i\u1ec3m:<\/strong> R\u1ea5t ti\u1ebft ki\u1ec7m chi ph\u00ed, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p, tri\u1ec3n khai \u0111\u01a1n gi\u1ea3n.<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> S\u1ed1 l\u01b0\u1ee3ng k\u00eanh h\u1ea1n ch\u1ebf, ph\u1ea1m vi truy\u1ec1n ng\u1eafn h\u01a1n do s\u1eed d\u1ee5ng laser kh\u00f4ng l\u00e0m m\u00e1t, kho\u1ea3ng c\u00e1ch k\u00eanh r\u1ed9ng l\u00e0m gi\u1ea3m m\u1eadt \u0111\u1ed9 dung l\u01b0\u1ee3ng.<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u1ea3i ph\u00e1p LINK-PP:<br><\/strong> C\u00e1c <strong>B\u1ed9 thu ph\u00e1t quang CWDM SFP, SFP+, QSFP+ v\u00e0 QSFP28<br><\/strong> (v\u00ed d\u1ee5:, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/483200.htm\"><strong>LS-CW4710-20C<br><\/strong><\/a>) cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c l\u1edbp truy c\u1eadp v\u00e0 t\u1ed5ng h\u1ee3p.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing\/\"><em>\u261b T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 CWDM<br><\/em><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng d\u00e0y (DWDM)<br><\/strong><\/p>\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\/7da1a75150af4f00b737b7df4e3ccdb3.webp\" alt=\"DWDM\" class=\"wp-image-5881\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7da1a75150af4f00b737b7df4e3ccdb3.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7da1a75150af4f00b737b7df4e3ccdb3-300x146.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7da1a75150af4f00b737b7df4e3ccdb3-1024x499.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7da1a75150af4f00b737b7df4e3ccdb3-768x374.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7da1a75150af4f00b737b7df4e3ccdb3-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch k\u00eanh:<br><\/strong> 0,8nm (100GHz) ho\u1eb7c 0,4nm (50GHz) ho\u1eb7c 0,2nm (25GHz)<br><\/p><\/li><li><p style=\"margin: 0px;\"><strong>D\u1ea3i b\u01b0\u1edbc s\u00f3ng:<\/strong> D\u1ea3i C (1525nm \u2013 1565nm) ch\u1ee7 y\u1ebfu, \u0111\u00f4i khi d\u1ea3i L (1570nm \u2013 1610nm)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/strong> S\u1eed d\u1ee5ng laser l\u00e0m m\u00e1t c\u00f3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c b\u01b0\u1edbc s\u00f3ng, cho ph\u00e9p s\u1ed1 l\u01b0\u1ee3ng k\u00eanh cao v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u00e0i. H\u1ed7 tr\u1ee3 c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn v\u00e0 khu\u1ebfch \u0111\u1ea1i <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/erbium-doped-fiber-amplifier-optical-networks\/\"><strong>(EDFA)<\/strong><\/a>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u1ee8ng D\u1ee5ng:<\/strong> M\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i, m\u1ea1ng \u0111\u00f4 th\u1ecb\/l\u00f5i c\u00f3 dung l\u01b0\u1ee3ng cao, c\u00e1p ng\u1ea7m, k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u (DCI).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u01afu \u0111i\u1ec3m:<\/strong> Ti\u1ec1m n\u0103ng dung l\u01b0\u1ee3ng cao nh\u1ea5t (96+ k\u00eanh), kho\u1ea3ng c\u00e1ch truy\u1ec1n xa nh\u1ea5t (80 km+), t\u01b0\u01a1ng th\u00edch v\u1edbi khu\u1ebfch \u0111\u1ea1i quang.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Chi ph\u00ed cao nh\u1ea5t tr\u00ean m\u1ed7i k\u00eanh, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng cao h\u01a1n, qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p h\u01a1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u1ea3i ph\u00e1p LINK-PP:<br><\/strong> Kh\u00e1m ph\u00e1 lo\u1ea1t s\u1ea3n ph\u1ea9m phong ph\u00fa c\u1ee7a ch\u00fang t\u00f4i g\u1ed3m <strong>B\u1ed9 thu ph\u00e1t quang LINK-PP DWDM SFP+, QSFP28, QSFP-DD v\u00e0 OSFP<\/strong> (v\u00ed d\u1ee5:, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/485962.htm\"><strong>LS-DW2610-40I<\/strong><\/a>) cho c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u01b0\u1eddng d\u00e0i v\u00e0 DCI hi\u1ec7u n\u0103ng cao, d\u1ec5 m\u1edf r\u1ed9ng.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-dwdm-explaining-dense-wavelength-division-multiplexing\/\"><em>\u261b T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 DWDM<\/em><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110a h\u1ee3p ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng d\u1ea3i trung (MWDM)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1520\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbaac01d15884447a00032880ceb3bd0-scaled.jpg\" alt=\"MWDM\" class=\"wp-image-5882\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbaac01d15884447a00032880ceb3bd0-scaled.jpg 2560w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbaac01d15884447a00032880ceb3bd0-300x178.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbaac01d15884447a00032880ceb3bd0-1024x608.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbaac01d15884447a00032880ceb3bd0-768x456.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbaac01d15884447a00032880ceb3bd0-1536x912.jpg 1536w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbaac01d15884447a00032880ceb3bd0-2048x1216.jpg 2048w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fbaac01d15884447a00032880ceb3bd0-18x12.jpg 18w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch k\u00eanh:<br><\/strong> 7 nm (\u0111i\u1ec1u ch\u1ec9nh b\u00e1n ch\u1ee7 \u0111\u1ed9ng)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/strong> Ph\u00e1t tri\u1ec3n t\u1eeb CWDM d\u00e0nh cho \u0111\u01b0\u1eddng truy\u1ec1n tr\u01b0\u1edbc (fronthaul) 5G. S\u1eed d\u1ee5ng <strong>12 b\u01b0\u1edbc s\u00f3ng<\/strong> \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch d\u1ecbch chuy\u1ec3n 6 b\u01b0\u1edbc s\u00f3ng CWDM truy\u1ec1n th\u1ed1ng sang tr\u00e1i v\u00e0 ph\u1ea3i (\u00b13,5 nm) th\u00f4ng qua \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9. C\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 m\u1eadt \u0111\u1ed9 k\u00eanh.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u1ee8ng D\u1ee5ng:<\/strong> Ch\u1ee7 y\u1ebfu d\u00f9ng trong m\u1ea1ng fronthaul v\u00e0 midhaul di \u0111\u1ed9ng 5G y\u00eau c\u1ea7u dung l\u01b0\u1ee3ng v\u1eeba ph\u1ea3i v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u01afu \u0111i\u1ec3m:<\/strong> M\u1eadt \u0111\u1ed9 cao h\u01a1n CWDM (12 so v\u1edbi 8 k\u00eanh s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c trong d\u1ea3i ph\u1ed5 th\u00f4ng d\u1ee5ng), hi\u1ec7u qu\u1ea3 chi ph\u00ed h\u01a1n DWDM \u0111\u1ea7y \u0111\u1ee7 cho kho\u1ea3ng c\u00e1ch trung b\u00ecnh.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Ph\u1ee9c t\u1ea1p h\u01a1n CWDM, kho\u1ea3ng c\u00e1ch truy\u1ec1n ng\u1eafn h\u01a1n DWDM, ch\u1ee7 y\u1ebfu gi\u1edbi h\u1ea1n trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng fronthaul 5G.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u1ea3i ph\u00e1p LINK-PP:<br><\/strong> <strong>C\u00e1c module quang LINK-PP MWDM SFP28 v\u00e0 QSFP28<\/strong> mang l\u1ea1i t\u1ef7 l\u1ec7 gi\u00e1\/c\u00f4ng su\u1ea5t t\u1ed1i \u01b0u cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng 5G d\u1ec5 m\u1edf r\u1ed9ng.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-mwdm-and-how-mwdm-supports-5g-fronthaul-networks\/\"><em>\u261b T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 MWDM<\/em><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110a h\u1ee3p ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng m\u1ea1ng c\u1ee5c b\u1ed9 (LAN WDM) ho\u1eb7c m\u1ea1ng di\u1ec7n r\u1ed9ng c\u1ee5c b\u1ed9 (LWDM)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5b99fb16f7d74024a876de6d7fff9349.webp\" alt=\"LWDM\" class=\"wp-image-5883\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5b99fb16f7d74024a876de6d7fff9349.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5b99fb16f7d74024a876de6d7fff9349-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5b99fb16f7d74024a876de6d7fff9349-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5b99fb16f7d74024a876de6d7fff9349-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5b99fb16f7d74024a876de6d7fff9349-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch k\u00eanh:<br><\/strong> 4 nm<\/p><\/li><li><p style=\"margin: 0px;\"><strong>D\u1ea3i b\u01b0\u1edbc s\u00f3ng:<\/strong> T\u1eadp trung quanh d\u1ea3i O-band 1310 nm (1269 nm \u2013 1332 nm cho 12 k\u00eanh).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/strong> Nh\u1eafm t\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p \u0111a b\u01b0\u1edbc s\u00f3ng hi\u1ec7u qu\u1ea3 chi ph\u00ed trong d\u1ea3i O-band c\u00f3 \u0111\u1ed9 t\u00e1n s\u1eafc th\u1ea5p. S\u1eed d\u1ee5ng laser DML v\u1edbi m\u1ee9c \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u1ee8ng D\u1ee5ng:<\/strong> Trung t\u00e2m d\u1eef li\u1ec7u doanh nghi\u1ec7p, m\u1ea1ng khu\u00f4n vi\u00ean, DCI kho\u1ea3ng c\u00e1ch ng\u1eafn (l\u00ean \u0111\u1ebfn 10 km), t\u1eadp trung y\u00eau c\u1ea7u nhi\u1ec1u k\u00eanh h\u01a1n CWDM trong m\u1ed9t t\u1ee7 ho\u1eb7c t\u00f2a nh\u00e0.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u01afu \u0111i\u1ec3m:<\/strong> M\u1eadt \u0111\u1ed9 k\u00eanh t\u1ed1t cho d\u1ea3i O-band, \u0111\u1ed9 t\u00e1n s\u1eafc s\u1eafc m\u00e0u th\u1ea5p h\u01a1n d\u1ea3i C-band \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn, hi\u1ec7u qu\u1ea3 chi ph\u00ed h\u01a1n DWDM trong c\u00e1c t\u00ecnh hu\u1ed1ng kho\u1ea3ng c\u00e1ch ng\u1eafn c\u1ee5 th\u1ec3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Ph\u1ea1m vi gi\u1edbi h\u1ea1n so v\u1edbi DWDM, t\u1eadp trung v\u00e0o d\u1ea3i b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3, h\u1ec7 sinh th\u00e1i k\u00e9m tr\u01b0\u1edfng th\u00e0nh h\u01a1n so v\u1edbi CWDM\/DWDM.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u1ea3i ph\u00e1p LINK-PP:<br><\/strong> <strong>B\u1ed9 thu ph\u00e1t quang LINK-PP LWDM QSFP28<\/strong> (v\u00ed d\u1ee5:, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472708.htm\"><strong>LS-LW100-ER4C<\/strong><\/a>) cung c\u1ea5p k\u1ebft n\u1ed1i \u0111a k\u00eanh hi\u1ec7u qu\u1ea3 cho c\u00e1c li\u00ean k\u1ebft n\u1ed9i trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 li\u00ean k\u1ebft khu\u00f4n vi\u00ean.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-lwdm-and-why-important-for-lans\/\"><em>\u261b T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 LWDM<\/em><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110a h\u1ee3p ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng ng\u1eafn (SWDM)<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"308\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53dd26d856944f0a968aed123321e0b4.webp\" alt=\"SWDM\" class=\"wp-image-5884\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53dd26d856944f0a968aed123321e0b4.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53dd26d856944f0a968aed123321e0b4-300x77.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53dd26d856944f0a968aed123321e0b4-1024x263.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53dd26d856944f0a968aed123321e0b4-768x197.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/53dd26d856944f0a968aed123321e0b4-18x5.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7:<\/strong> \u0110a h\u1ee3p nhi\u1ec1u <em>b\u01b0\u1edbc s\u00f3ng ng\u1eafn<\/em> (th\u01b0\u1eddng l\u00e0 850 nm, 880 nm, 910 nm, 940 nm) l\u00ean m\u1ed9t s\u1ee3i \u0111\u01a1n <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\"><strong><em>c\u00e1p quang \u0111a mode<\/em><\/strong><\/a> b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng VCSEL.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t nh\u1eb1m m\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng v\u00e0 ph\u1ea1m vi c\u1ee7a c\u00e1p quang \u0111a mode (MMF) OM3\/OM4 hi\u1ec7n c\u00f3. S\u1eed d\u1ee5ng nguy\u00ean l\u00fd quang h\u1ecdc song song nh\u01b0ng tr\u00ean m\u1ed9t c\u1eb7p s\u1ee3i quang \u0111\u01a1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u1ee8ng D\u1ee5ng:<\/strong> K\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao trong trung t\u00e2m d\u1eef li\u1ec7u qua c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang \u0111a mode (MMF) hi\u1ec7n c\u00f3, \u0111\u1eb7c bi\u1ec7t cho c\u00e1c kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n c\u1ee7a gi\u1ea3i ph\u00e1p quang h\u1ecdc song song ti\u00eau chu\u1ea9n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u01afu \u0111i\u1ec3m:<\/strong> T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng MMF \u0111\u00e3 l\u1eafp \u0111\u1eb7t, n\u00e2ng c\u1ea5p chi ph\u00ed hi\u1ec7u qu\u1ea3, qu\u1ea3n l\u00fd s\u1ee3i quang \u0111\u01a1n gi\u1ea3n h\u01a1n so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p s\u1ee3i \u0111\u01a1n mode cho kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Ch\u1ec9 gi\u1edbi h\u1ea1n tr\u00ean MMF, ph\u1ea1m vi ng\u1eafn h\u01a1n so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p s\u1ee3i \u0111\u01a1n mode (t\u1ed1i \u0111a 150 m tr\u00ean OM5 cho 100G), d\u1ea3i b\u01b0\u1edbc s\u00f3ng c\u1ee5 th\u1ec3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u1ea3i ph\u00e1p LINK-PP:<br><\/strong> T\u1eadn d\u1ee5ng MMF c\u1ee7a b\u1ea1n v\u1edbi <strong>M\u00f4-\u0111un quang LINK-PP SWDM QSFP28<\/strong> (v\u00ed d\u1ee5:, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473140.htm\"><strong>LS-SW100-SR4C<\/strong><\/a>) \u0111\u1ec3 \u0111\u1ea1t k\u1ebft n\u1ed1i 100G hi\u1ec7u qu\u1ea3 trong trung t\u00e2m d\u1eef li\u1ec7u.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-swdm-for-multimode-fiber-solutions-explained\/\"><em>\u261b T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 SWDM<\/em><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>So s\u00e1nh c\u00f4ng ngh\u1ec7 CWDM, DWDM, MWDM, LWDM v\u00e0 SWDM: T\u1ed5ng quan t\u1ea1i m\u1ed9t c\u00e1i nh\u00ecn<\/strong><\/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;\"\/><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><th colspan=\"1\" rowspan=\"1\"><p><strong>MWDM<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>LWDM<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>SWDM<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng ch\u00ednh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy c\u1eadp nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tuy\u1ebfn \u0111\u01b0\u1eddng d\u00e0i\/l\u00f5i c\u00f3 dung l\u01b0\u1ee3ng cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i 5G Fronthaul\/Midhaul<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110a k\u00eanh t\u1ea7m ng\u1eafn (d\u1ea3i O-band)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng c\u00e1p quang \u0111a mode (MMF)<\/p><\/td><\/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>0,8 nm \/ 0,4 nm \/ 0,2 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>7 nm (b\u00e1n ch\u1ee7 \u0111\u1ed9ng)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>4 nm <\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u00f4ng \u00e1p d\u1ee5ng (c\u00e1c b\u01b0\u1edbc s\u00f3ng r\u1eddi r\u1ea1c)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>S\u1ed1 k\u00eanh \u0111i\u1ec3n h\u00ecnh<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 18<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40, 80, 96+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>12<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>12 (d\u1ea3i O-band)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>4 (d\u1ea3i b\u01b0\u1edbc s\u00f3ng 850\u2013940 nm)<\/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<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Laser DFB\/EML l\u00e0m m\u00e1t<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Laser DML \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Laser DML \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Laser VCSEL.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Lo\u1ea1i s\u1ee3i<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n mode<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n mode<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n mode<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n mode<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110a mode (OM3\/OM4)<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ph\u1ea1m vi \u0111i\u1ec3n h\u00ecnh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00ean \u0111\u1ebfn 80km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tr\u00ean 80 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10\u201320 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00ean \u0111\u1ebfn 40 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00ean \u0111\u1ebfn 150 m (OM4\/100G)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng c\u00e1p<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Th\u1ea5p nh\u1ea5t<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao nh\u1ea5t<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eabn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u00f4i tr\u01b0\u1eddng truy\u1ec1n d\u1eabn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung b\u00ecnh (t\u1eadn d\u1ee5ng c\u00e1p quang \u0111a mode)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n gi\u1ea3n, chi ph\u00ed th\u1ea5p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Dung l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3, t\u1ea7m xa l\u1edbn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e2n b\u1eb1ng chi ph\u00ed\/m\u1eadt \u0111\u1ed9 cho 5G<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1eadt \u0111\u1ed9\/chi ph\u00ed trong d\u1ea3i O-band<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1eed d\u1ee5ng c\u00e1p quang \u0111a mode hi\u1ec7n c\u00f3<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 L\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p: C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00f4-\u0111un quang<br> <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>Dung l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ea7n thi\u1ebft:<\/strong> B\u1ea1n c\u1ea7n bao nhi\u00eau b\u0103ng th\u00f4ng ngay l\u00fac n\u00e0y? V\u00e0 trong v\u00f2ng 3\u20135 n\u0103m t\u1edbi b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n bao nhi\u00eau? DWDM cung c\u1ea5p kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao nh\u1ea5t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>L\u00ean \u0111\u1ebfn 70 m tr\u00ean OM3, 100 m tr\u00ean OM4, 150 m tr\u00ean OM5. Chu\u1ea9n h\u00f3a \u1edf m\u1ee9c 100 m tr\u00ean OM4.<\/strong> B\u1ea1n \u0111ang k\u1ebft n\u1ed1i trong c\u00f9ng m\u1ed9t t\u00f2a nh\u00e0, gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 trong khu\u00f4n vi\u00ean, trong khu v\u1ef1c \u0111\u00f4 th\u1ecb hay gi\u1eefa c\u00e1c th\u00e0nh ph\u1ed1? SWDM ph\u00f9 h\u1ee3p v\u1edbi kho\u1ea3ng c\u00e1ch ng\u1eafn; CWDM\/MWDM\/LWDM ph\u00f9 h\u1ee3p v\u1edbi kho\u1ea3ng c\u00e1ch trung b\u00ecnh; DWDM ph\u00f9 h\u1ee3p v\u1edbi kho\u1ea3ng c\u00e1ch xa.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang hi\u1ec7n c\u00f3:<\/strong> B\u1ea1n \u0111ang s\u1eed d\u1ee5ng c\u00e1p quang \u0111\u01a1n mode hay \u0111a mode? S\u1ed1 s\u1ee3i c\u00e1p quang c\u00f3 b\u1ecb gi\u1edbi h\u1ea1n kh\u00f4ng? SWDM t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t c\u00e1p quang \u0111a mode; DWDM\/CWDM t\u1ed1i \u0111a h\u00f3a s\u1ed1 s\u1ee3i c\u00e1p quang \u0111\u01a1n mode.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>R\u00e0ng bu\u1ed9c v\u1ec1 ng\u00e2n s\u00e1ch:<\/strong> Gi\u1edbi h\u1ea1n CAPEX v\u00e0 OPEX c\u1ee7a b\u1ea1n l\u00e0 bao nhi\u00eau? CWDM v\u00e0 SWDM th\u01b0\u1eddng mang l\u1ea1i chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u th\u1ea5p nh\u1ea5t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u1ee8ng d\u1ee5ng:<\/strong> \u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng cho 5G fronthaul (MWDM), m\u1ea1ng LAN doanh nghi\u1ec7p (LWDM\/CWDM), trung t\u00e2m d\u1eef li\u1ec7u (SWDM\/LWDM\/DWDM) hay truy\u1ec1n d\u1eabn tuy\u1ebfn \u0111\u01b0\u1eddng d\u00e0i (DWDM)?<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 V\u00ec sao n\u00ean h\u1ee3p t\u00e1c c\u00f9ng LINK-PP cho nhu c\u1ea7u b\u1ed9 thu ph\u00e1t quang c\u1ee7a b\u1ea1n?<\/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\/7bee38ca0c4546c1a6966332d653a45b.webp\" alt=\"LINK-PP\" class=\"wp-image-5885\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7bee38ca0c4546c1a6966332d653a45b.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7bee38ca0c4546c1a6966332d653a45b-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7bee38ca0c4546c1a6966332d653a45b-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7bee38ca0c4546c1a6966332d653a45b-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7bee38ca0c4546c1a6966332d653a45b-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u0111i\u1ec1u h\u01b0\u1edbng c\u00e1c ph\u1ee9c t\u1ea1p li\u00ean quan \u0111\u1ebfn c\u00f4ng ngh\u1ec7 WDM v\u00e0 t\u00ecm ngu\u1ed3n cung \u1ee9ng c\u00e1c b\u1ed9 thu ph\u00e1t \u0111\u00e1ng tin c\u1eady <strong>module quang<br><\/strong> l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi hi\u1ec7u n\u0103ng v\u00e0 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c c\u1ee7a m\u1ea1ng. <strong>LINK-PP<\/strong> n\u1ed5i b\u1eadt nh\u1edd cung c\u1ea5p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Danh m\u1ee5c s\u1ea3n ph\u1ea9m to\u00e0n di\u1ec7n:<\/strong> D\u00f2ng s\u1ea3n ph\u1ea9m CWDM, DWDM, MWDM, LWDM v\u00e0 SWDM h\u00e0ng \u0111\u1ea7u ng\u00e0nh <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> (SFP, SFP+, SFP28, QSFP+, QSFP28, QSFP-DD, OSFP).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ch\u1ea5t l\u01b0\u1ee3ng &amp; kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u01b0\u1ee3t tr\u1ed9i:<\/strong> C\u00e1c module \u0111\u01b0\u1ee3c ki\u1ec3m tra nghi\u00eam ng\u1eb7t nh\u1eb1m \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c li\u1ec1n m\u1ea1ch v\u1edbi c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn OEM ch\u00ednh.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed:<\/strong> \u0110em l\u1ea1i hi\u1ec7u n\u0103ng cao m\u00e0 kh\u00f4ng \u0111i k\u00e8m m\u1ee9c gi\u00e1 cao, gi\u00fap ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt chuy\u00ean s\u00e2u:<\/strong> \u0110\u1ed9i ng\u0169 k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i s\u1edf h\u1eefu chuy\u00ean m\u00f4n s\u00e2u v\u1ec1 <strong>gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng<\/strong> thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eb5n s\u00e0ng kh\u00e1m ph\u00e1 c\u00e1c b\u1ed9 thu ph\u00e1t quang ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e1ng tin c\u1eady cho \u1ee9ng d\u1ee5ng WDM c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n?<\/strong><\/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>\u261b Truy c\u1eadp trang web LINK-PP<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/support.htm\"><strong>\u261b T\u00f9y ch\u1ec9nh gi\u1ea3i ph\u00e1p WDM c\u1ee7a b\u1ea1n<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u25b6 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>L\u00fd do ch\u00ednh \u0111\u1ec3 ch\u1ecdn CWDM thay v\u00ec DWDM l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>B\u1ea1n n\u00ean ch\u1ecdn CWDM n\u1ebfu mu\u1ed1n m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cho kho\u1ea3ng c\u00e1ch ng\u1eafn ho\u1eb7c trung b\u00ecnh. CWDM s\u1eed d\u1ee5ng \u00edt k\u00eanh h\u01a1n v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u thi\u1ebft b\u1ecb \u0111\u1eaft ti\u1ec1n. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u1ea1ng \u0111\u00f4 th\u1ecb ho\u1eb7c m\u1ea1ng truy c\u1eadp.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00f3 th\u1ec3 k\u1ebft h\u1ee3p nhi\u1ec1u lo\u1ea1i WDM kh\u00e1c nhau trong c\u00f9ng m\u1ed9t m\u1ea1ng kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p m\u1ed9t s\u1ed1 lo\u1ea1i WDM, nh\u01b0ng ph\u1ea3i ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng CWDM v\u00e0 DWDM c\u00f9ng nhau v\u1edbi c\u00e1c b\u1ed9 l\u1ecdc \u0111\u1eb7c bi\u1ec7t. Lu\u00f4n h\u1ecfi nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi k\u1ebft h\u1ee3p c\u00e1c c\u00f4ng ngh\u1ec7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh lo\u1ea1i c\u00f4ng ngh\u1ec7 WDM n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ki\u1ec3m tra kho\u1ea3ng c\u00e1ch m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p><\/li><li><p>\u0110\u1ebfm s\u1ed1 k\u00eanh b\u1ea1n c\u1ea7n.<\/p><\/li><li><p>Thi\u1ebft l\u1eadp ng\u00e2n s\u00e1ch c\u1ee7a b\u1ea1n.<\/p><\/li><li><p>C\u00e2n nh\u1eafc nhu c\u1ea7u m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ecdn c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nh\u1eefng y\u00eau c\u1ea7u n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >SWDM c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c v\u1edbi c\u00e1p quang \u0111a mode th\u00f4ng th\u01b0\u1eddng kh\u00f4ng?<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>SWDM ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t v\u1edbi c\u00e1p quang \u0111a mode OM4 ho\u1eb7c OM5. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 v\u1edbi c\u00e1p quang OM3 c\u0169 h\u01a1n, nh\u01b0ng kho\u1ea3ng c\u00e1ch truy\u1ec1n s\u1ebd b\u1ecb r\u00fat ng\u1eafn. Lu\u00f4n ki\u1ec3m tra lo\u1ea1i c\u00e1p quang c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t c\u00e1c module SWDM.<\/p><\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" >\u25b6 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\/\">Kh\u00e1m ph\u00e1 c\u00f4ng ngh\u1ec7 WDM v\u00e0 c\u00e1c \u1ee9ng 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\/glossary\/ddm-dom-in-optical-transceivers\/\">T\u1ea7m quan tr\u1ecdng c\u1ee7a gi\u00e1m s\u00e1t k\u1ef9 thu\u1eadt s\u1ed1 trong c\u00e1c thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i quang<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/optical-transceiver-terminology-guide\/\">Gi\u1edbi thi\u1ec7u C\u1ed9ng \u0111\u1ed3ng LINK-PP v\u00e0 C\u00e1c l\u1ee3i \u00edch d\u00e0nh cho th\u00e0nh vi\u00ean<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>CWDM so v\u1edbi DWDM so v\u1edbi MWDM so v\u1edbi LWDM so v\u1edbi SWDM: So s\u00e1nh kho\u1ea3ng c\u00e1ch k\u00eanh, kho\u1ea3ng c\u00e1ch truy\u1ec1n, chi ph\u00ed v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1i \u01b0u \u0111\u1ec3 ch\u1ecdn lo\u1ea1i WDM ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>","protected":false},"author":1,"featured_media":5879,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5886","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\/5886","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=5886"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5886\/revisions"}],"predecessor-version":[{"id":11443,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5886\/revisions\/11443"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5879"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5886"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5886"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5886"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}