{"id":5749,"date":"2025-07-16T00:00:00","date_gmt":"2025-07-16T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work\/"},"modified":"2026-06-22T09:01:12","modified_gmt":"2026-06-22T09:01:12","slug":"what-is-single-mode-fiber-and-how-does-it-work","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work","title":{"rendered":"S\u1ee3i quang \u0111\u01a1n mode l\u00e0 g\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o"},"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\/0a223807492345eab65c3dc2e6a38ee4.webp\" alt=\"What Is Single Mode Fiber\" class=\"wp-image-5744\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a223807492345eab65c3dc2e6a38ee4.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a223807492345eab65c3dc2e6a38ee4-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a223807492345eab65c3dc2e6a38ee4-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a223807492345eab65c3dc2e6a38ee4-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0a223807492345eab65c3dc2e6a38ee4-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\"><strong>S\u1ee3i quang \u0111\u01a1n mode<\/strong> l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1p s\u1ee3i quang. N\u00f3 c\u00f3 l\u00f5i r\u1ea5t nh\u1ecf, kho\u1ea3ng <strong>9\u03bcm<\/strong> r\u1ed9ng. L\u00f5i nh\u1ecf n\u00e0y cho ph\u00e9p ch\u1ec9 m\u1ed9t \u0111\u01b0\u1eddng \u0111i c\u1ee7a \u00e1nh s\u00e1ng \u0111i qua. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m t\u1ed5n hao t\u00edn hi\u1ec7u. \u0110\u1ed3ng th\u1eddi, n\u00f3 gi\u1eef cho d\u1eef li\u1ec7u r\u00f5 r\u00e0ng tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i. S\u1ee3i quang \u0111\u01a1n mode c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n so v\u1edbi s\u1ee3i \u0111a mode. <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\"><span class=\"qc-p1-tag\"><strong>Direct Attach Copper (DAC)<\/strong><\/span><\/a><span class=\"qc-p1-tag\"> c\u00f3 l\u00f5i l\u1edbn h\u01a1n v\u00e0 truy\u1ec1n nhi\u1ec1u \u0111\u01b0\u1eddng \u0111i c\u1ee7a \u00e1nh s\u00e1ng. N\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn. Nhi\u1ec1u m\u1ea1ng s\u1eed d\u1ee5ng s\u1ee3i quang \u0111\u01a1n mode cho truy\u1ec1n th\u00f4ng t\u1ed1c \u0111\u1ed9 cao. N\u00f3 c\u0169ng cung c\u1ea5p c\u00e1c k\u1ebft n\u1ed1i m\u1ea1nh m\u1ebd xuy\u00ean su\u1ed1t th\u00e0nh ph\u1ed1 ho\u1eb7c qu\u1ed1c gia. <\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi h\u1ea5p d\u1eabn c\u1ee7a s\u1ee3i quang \u0111\u01a1n mode trong b\u00e0i vi\u1ebft ngay b\u00e2y gi\u1edd.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \u0110i\u1ec3m n\u1ed5i b\u1eadt<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1ee3i quang \u0111\u01a1n mode c\u00f3 <strong>l\u00f5i c\u1ef1c nh\u1ecf<\/strong>. N\u00f3 ch\u1ec9 cho ph\u00e9p m\u1ed9t \u0111\u01b0\u1eddng \u0111i c\u1ee7a \u00e1nh s\u00e1ng \u0111i qua. \u0110i\u1ec1u n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n t\u1ed5n hao t\u00edn hi\u1ec7u. N\u00f3 gi\u1eef cho d\u1eef li\u1ec7u r\u00f5 r\u00e0ng tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i.<\/p><\/li><li><p>N\u00f3 c\u00f3 th\u1ec3 x\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn. N\u00f3 c\u00f3 th\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u l\u00ean \u0111\u1ebfn 160 km ho\u1eb7c h\u01a1n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn n\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao trong th\u00e0nh ph\u1ed1 v\u00e0 qu\u1ed1c gia.<\/p><\/li><li><p>S\u1ee3i quang \u0111\u01a1n mode ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n s\u1ee3i quang \u0111a mode \u1edf kho\u1ea3ng c\u00e1ch d\u00e0i. Tuy nhi\u00ean, chi ph\u00ed cao h\u01a1n v\u00e0 y\u00eau c\u1ea7u thi\u1ebft l\u1eadp c\u1ea9n th\u1eadn.<\/p><\/li><li><p>S\u1ee3i quang \u0111\u01a1n mode ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t v\u1edbi \u00e1nh s\u00e1ng \u1edf b\u01b0\u1edbc s\u00f3ng 1310 nm v\u00e0 1550 nm. C\u00e1c b\u01b0\u1edbc s\u00f3ng n\u00e0y c\u00f3 t\u1ed5n hao t\u00edn hi\u1ec7u th\u1ea5p nh\u1ea5t.<\/p><\/li><li><p>Nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng n\u00f3 trong vi\u1ec5n th\u00f4ng, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng truy\u1ec1n d\u1eabn xa. N\u00f3 mang l\u1ea1i c\u00e1c k\u1ebft n\u1ed1i nhanh, \u0111\u00e1ng tin c\u1eady v\u00e0 s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 S\u1ee3i quang \u0111\u01a1n mode l\u00e0 g\u00ec<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1ee3i \u0111\u01a1n mode<\/strong> l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1p s\u1ee3i quang \u0111\u1eb7c bi\u1ec7t. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u nhanh v\u00e0 xa. L\u00f5i r\u1ea5t nh\u1ecf, kho\u1ea3ng 9\u03bcm r\u1ed9ng. L\u1edbp v\u1ecf b\u1ecdc xung quanh l\u00f5i r\u1ed9ng 125\u03bcm. <strong>l\u00f5i nh\u1ecf<\/strong> ch\u1ec9 cho ph\u00e9p m\u1ed9t \u0111\u01b0\u1eddng \u0111i c\u1ee7a \u00e1nh s\u00e1ng di chuy\u1ec3n qua. \u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u1ef1 d\u1eabn truy\u1ec1n ch\u1ebf \u0111\u1ed9 \u0111\u01a1n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"286\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/931b9ee0109f4658bb21f50964c67e5a.webp\" alt=\"Single Mode Fiber (SMF)\" class=\"wp-image-5745\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/931b9ee0109f4658bb21f50964c67e5a.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/931b9ee0109f4658bb21f50964c67e5a-300x72.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/931b9ee0109f4658bb21f50964c67e5a-1024x244.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/931b9ee0109f4658bb21f50964c67e5a-768x183.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/931b9ee0109f4658bb21f50964c67e5a-18x4.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a s\u1ee3i quang \u0111\u01a1n mode l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u01b0\u1eddng k\u00ednh l\u00f5i: 9 micromet (\u03bcm)<\/p><\/li><li><p>\u0110\u01b0\u1eddng k\u00ednh l\u1edbp v\u1ecf b\u1ecdc: 125 micromet (\u03bcm)<\/p><\/li><li><p>Ch\u1ec9 ch\u1ebf \u0111\u1ed9 ngang c\u01a1 b\u1ea3n c\u1ee7a \u00e1nh s\u00e1ng \u0111i qua<\/p><\/li><li><p>H\u1ed3 s\u01a1 chi\u1ebft quang ki\u1ec3u b\u01b0\u1edbc, v\u1edbi s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t gi\u1eefa l\u00f5i v\u00e0 l\u1edbp v\u1ecf b\u1ecdc<\/p><\/li><li><p>S\u1ed1 V b\u1eb1ng 2,405 ho\u1eb7c nh\u1ecf h\u01a1n \u0111\u1ed1i v\u1edbi s\u1ee3i ki\u1ec3u b\u01b0\u1edbc<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y l\u00e0m s\u1ee3i quang \u0111\u01a1n mode kh\u00e1c bi\u1ec7t so v\u1edbi s\u1ee3i quang \u0111a mode. S\u1ee3i quang \u0111a mode c\u00f3 l\u00f5i l\u1edbn h\u01a1n v\u00e0 cho ph\u00e9p nhi\u1ec1u \u0111\u01b0\u1eddng \u0111i c\u1ee7a \u00e1nh s\u00e1ng truy\u1ec1n qua. L\u00f5i nh\u1ecf v\u00e0 c\u1ea5u h\u00ecnh ch\u1ec9 s\u1ed1 b\u01b0\u1edbc gi\u00fap d\u1eabn truy\u1ec1n ch\u1ebf \u0111\u1ed9 \u0111\u01a1n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn nh\u1eefng s\u1ee3i quang n\u00e0y r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 truy\u1ec1n t\u1ea3i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u \u0111i xa.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"508\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/641889d2b31840b9a9ba484679f85773.webp\" alt=\"Optical Fiber Cable\" class=\"wp-image-5746\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/641889d2b31840b9a9ba484679f85773.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/641889d2b31840b9a9ba484679f85773-300x127.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/641889d2b31840b9a9ba484679f85773-1024x433.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/641889d2b31840b9a9ba484679f85773-768x325.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/641889d2b31840b9a9ba484679f85773-18x8.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ee3i quang \u0111\u01a1n mode g\u1ed3m m\u1ed9t v\u00e0i th\u00e0nh ph\u1ea7n ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>The <strong>l\u00f5i<\/strong> mang t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng.<\/p><\/li><li><p>The <strong>l\u1edbp v\u1ecf b\u1ecdc<\/strong> bao quanh l\u00f5i v\u00e0 gi\u1eef \u00e1nh s\u00e1ng b\u00ean trong.<\/p><\/li><li><p>The <strong>l\u1edbp ph\u1ee7 \u0111\u1ec7m<\/strong> b\u1ea3o v\u1ec7 s\u1ee3i quang kh\u1ecfi b\u1ecb h\u01b0 h\u1ea1i.<\/p><\/li><li><p>The <strong>th\u00e0nh ph\u1ea7n gia c\u01b0\u1eddng<\/strong>, th\u01b0\u1eddng l\u00e0 s\u1ee3i d\u00e2y ch\u1eafc, cung c\u1ea5p h\u1ed7 tr\u1ee3 c\u01a1 h\u1ecdc.<\/p><\/li><li><p>The <strong>v\u1ecf ngo\u00e0i<\/strong> ng\u0103n n\u01b0\u1edbc, \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi v\u00e0 va \u0111\u1eadp.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf n\u00e0y gi\u00fap s\u1ee3i quang \u0111\u01a1n mode truy\u1ec1n d\u1eef li\u1ec7u \u0111i xa v\u1edbi t\u1ed5n hao t\u00edn hi\u1ec7u ho\u1eb7c bi\u1ebfn d\u1ea1ng r\u1ea5t th\u1ea5p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c lo\u1ea1i OS1 v\u00e0 OS2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ee3i quang \u0111\u01a1n mode c\u00f3 hai lo\u1ea1i ch\u00ednh: OS1 v\u00e0 OS2. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang:<\/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>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i OS1<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i OS2<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>ITU-T G.652.A\/B<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>ITU-T G.652.C\/D<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>C\u1ea5u tr\u00fac<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i \u0111\u1ec7m ch\u1eb7t<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i \u1ed1ng l\u1ecfng<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed9 suy hao (1310nm)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 0,5 dB\/km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 0,4 dB\/km<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed9 suy hao (1550nm)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 0,4 dB\/km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 0,3 dB\/km<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>D\u1ea3i b\u01b0\u1edbc s\u00f3ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u1ea3i O, C<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u1ea3i O, E, S, C<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00ean t\u1edbi 10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 200 km<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Kh\u1ea3 n\u0103ng t\u1ed1c \u0111\u1ed9<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1\u201310GbE<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 40G\/100GbE<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1ee3i OS1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u00ean trong t\u00f2a nh\u00e0 ho\u1eb7c trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng.<\/p><\/li><li><p>S\u1ee3i OS2 th\u00edch h\u1ee3p h\u01a1n cho m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi, kho\u1ea3ng c\u00e1ch d\u00e0i v\u00e0 m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 Nh\u1eefng \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a c\u00e1p s\u1ee3i quang \u0111\u01a1n mode<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>B\u0103ng th\u00f4ng v\u00e0 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u xu\u1ea5t s\u1eafc:<\/strong> Khi lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c t\u00e1n s\u1eafc mode, <strong>c\u00e1p s\u1ee3i quang \u0111\u01a1n mode<\/strong> h\u1ed7 tr\u1ee3 ti\u1ec1m n\u0103ng b\u0103ng th\u00f4ng g\u1ea7n nh\u01b0 v\u00f4 h\u1ea1n. N\u00f3 t\u1ea1o n\u1ec1n t\u1ea3ng cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u1edf m\u1ee9c terabit m\u1ed7i gi\u00e2y tr\u00ean m\u1ed9t s\u1ee3i \u0111\u01a1n, d\u1ec5 d\u00e0ng \u0111\u00e1p \u1ee9ng c\u00e1c chu\u1ea9n 100G, 400G, 800G v\u00e0 c\u1ea3 chu\u1ea9n m\u1edbi n\u1ed5i 1,6T.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn r\u1ea5t d\u00e0i:<\/strong> S\u1ee3i \u0111\u01a1n mode (SMF) c\u00f3 \u0111\u1ed9 suy hao t\u00edn hi\u1ec7u (t\u1ed5n hao) th\u1ea5p \u0111\u00e1ng k\u1ec3 so v\u1edbi s\u1ee3i \u0111a mode (MMF), \u0111\u1eb7c bi\u1ec7t \u1edf c\u00e1c b\u01b0\u1edbc s\u00f3ng quan tr\u1ecdng 1310 nm v\u00e0 1550 nm. K\u1ebft h\u1ee3p v\u1edbi vi\u1ec7c kh\u00f4ng c\u00f3 t\u00e1n s\u1eafc mode, \u0111i\u1ec1u n\u00e0y cho ph\u00e9p t\u00edn hi\u1ec7u truy\u1ec1n \u0111i h\u00e0ng tr\u0103m kil\u00f4m\u00e9t m\u00e0 kh\u00f4ng c\u1ea7n khu\u1ebfch \u0111\u1ea1i l\u1ea1i. C\u00e1c kho\u1ea3ng c\u00e1ch 80 km, 100 km v\u00e0 xa h\u01a1n n\u1eefa l\u00e0 ho\u00e0n to\u00e0n ph\u1ed5 bi\u1ebfn.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>H\u1ea1 t\u1ea7ng h\u01b0\u1edbng t\u1edbi t\u01b0\u01a1ng lai:<\/strong> Vi\u1ec7c \u0111\u1ea7u t\u01b0 v\u00e0o <strong>c\u00e1p s\u1ee3i quang \u0111\u01a1n mode<\/strong> l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 v\u00e0o \u0111\u1ed9 b\u1ec1n. Dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng v\u1ed1n c\u00f3 c\u1ee7a n\u00f3 v\u01b0\u1ee3t xa nhu c\u1ea7u hi\u1ec7n t\u1ea1i v\u00e0 d\u1ec5 d\u00e0ng \u0111\u00e1p \u1ee9ng c\u00e1c n\u00e2ng c\u1ea5p t\u1ed1c \u0111\u1ed9 trong t\u01b0\u01a1ng lai ch\u1ec9 b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao<\/strong><\/a> \u1edf m\u1ed7i \u0111\u1ea7u, m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf h\u1ec7 th\u1ed1ng c\u00e1p quang s\u1ee3i \u0111\u00f3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n:<br><\/strong> \u0110\u01b0\u1eddng \u0111i th\u1eb3ng c\u1ee7a \u00e1nh s\u00e1ng l\u00e0m gi\u1ea3m thi\u1ec3u s\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 \u0111\u1ed9 tr\u1ec5 lan truy\u1ec1n, g\u00f3p ph\u1ea7n t\u1ea1o ra \u0111\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p \u2013 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu cho giao d\u1ecbch t\u00e0i ch\u00ednh, c\u1ed9ng t\u00e1c th\u1eddi gian th\u1ef1c v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng 5G.<\/p><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"461\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/af56567a34ae4ec98135fac577e68c4b.webp\" alt=\"SMF vs MMF\" class=\"wp-image-5747\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/af56567a34ae4ec98135fac577e68c4b.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/af56567a34ae4ec98135fac577e68c4b-300x115.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/af56567a34ae4ec98135fac577e68c4b-1024x393.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/af56567a34ae4ec98135fac577e68c4b-768x295.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/af56567a34ae4ec98135fac577e68c4b-18x7.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 S\u1ee3i quang \u0111\u01a1n mode so v\u1edbi s\u1ee3i quang \u0111a mode: So s\u00e1nh r\u00f5 r\u00e0ng<\/strong><\/h2>\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>S\u1ee3i quang \u0111\u01a1n mode (SMF)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>C\u00e1p quang \u0111a mode (MMF)<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u01b0\u1eddng k\u00ednh l\u00f5i<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>9\u00b5m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>50\u00b5m ho\u1eb7c 62,5\u00b5m<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ngu\u1ed3n s\u00e1ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110i-\u1ed1t laser (1310nm, 1550nm)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>LED ho\u1eb7c VCSEL (850nm, \u0111\u00f4i khi 1310nm)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>C\u00e1c \u0111\u01b0\u1eddng \u0111i c\u1ee7a \u00e1nh s\u00e1ng (mode)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ed9t mode<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nhi\u1ec1u mode (h\u00e0ng tr\u0103m)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>H\u1ea1n ch\u1ebf ch\u00ednh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u00e1n s\u1eafc do b\u01b0\u1edbc s\u00f3ng, suy hao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>T\u00e1n s\u1eafc mode<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>B\u0103ng th\u00f4ng t\u1ed1i \u0111a<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u1ef1c cao (g\u1ea7n nh\u01b0 v\u00f4 h\u1ea1n)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>H\u1ea1n ch\u1ebf (th\u1ea5p \u0111\u00e1ng k\u1ec3 so v\u1edbi SMF)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Kho\u1ea3ng c\u00e1ch \u0111i\u1ec3n h\u00ecnh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10km, 40km, 80km, tr\u00ean 100km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 550m (OM5\/OM4 @ 100G), th\u01b0\u1eddng ng\u1eafn h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cost<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed s\u1ee3i th\u1ea5p h\u01a1n, chi ph\u00ed<br> <strong>B\u1ed9 thu ph\u00e1t quang<\/strong> Cost<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed s\u1ee3i cao h\u01a1n, chi ph\u00ed<br> <strong>B\u1ed9 thu ph\u00e1t quang<\/strong> Cost<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Truy\u1ec1n th\u00f4ng quang h\u1ecdc kho\u1ea3ng c\u00e1ch xa<\/strong>, m\u1ea1ng \u0111\u00f4 th\u1ecb\/l\u00f5i, k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u (DCI), nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP), vi\u1ec5n th\u00f4ng, c\u00e1c tuy\u1ebfn x\u01b0\u01a1ng s\u1ed1ng t\u1ed1c \u0111\u1ed9 cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch ng\u1eafn (trung t\u00e2m d\u1eef li\u1ec7u, t\u00f2a nh\u00e0, khu\u00f4n vi\u00ean), m\u1ea1ng LAN nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 S\u1ee3i quang \u0111\u01a1n mode \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u? \u0110a d\u1ea1ng \u1ee9ng d\u1ee5ng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a<br> <strong>c\u00e1p s\u1ee3i quang \u0111\u01a1n mode<\/strong> khi\u1ebfn n\u00f3 tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>H\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng v\u00e0 Internet:<br><\/strong> C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u00f5i c\u1ee7a m\u1ea1ng Internet v\u00e0 \u0111i\u1ec7n tho\u1ea1i to\u00e0n c\u1ea7u ho\u00e0n to\u00e0n d\u1ef1a v\u00e0o SMF cho c\u00e1c m\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i v\u00e0 \u0111\u00f4 th\u1ecb.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP):<br><\/strong> Cung c\u1ea5p d\u1ecbch v\u1ee5 t\u1ed1c \u0111\u1ed9 cao<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-the-difference-between-fttb-and-ftth\/\"><strong>FTTH (Fiber-to-the-Home \u2013 c\u00e1p quang \u0111\u1ebfn t\u1eadn nh\u00e0)<\/strong> and <strong>FTTB (Fiber-to-the-Building \u2013 c\u00e1p quang \u0111\u1ebfn t\u00f2a nh\u00e0)<br><\/strong><\/a> , \u0111\u1eb7c bi\u1ec7t cho c\u00e1c g\u00f3i gigabit v\u00e0 multi-gigabit.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>K\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI):<\/strong> K\u1ebft n\u1ed1i c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u n\u1eb1m c\u00e1ch nhau v\u1ec1 m\u1eb7t \u0111\u1ecba l\u00fd trong ph\u1ea1m vi v\u00e0i ch\u1ee5c ho\u1eb7c h\u00e0ng tr\u0103m kil\u00f4m\u00e9t v\u1edbi b\u0103ng th\u00f4ng cao v\u00e0 \u0111\u1ed9 tin c\u1eady cao.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ea1ng Truy\u1ec1n H\u00ecnh C\u00e1p (CATV):<\/strong> Ph\u00e2n ph\u1ed1i t\u00edn hi\u1ec7u ph\u00e1t s\u00f3ng tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a c\u00e1c nh\u00e0 khai th\u00e1c c\u00e1p.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ea1ng di \u0111\u1ed9ng 5G:<\/strong> K\u1ebft n\u1ed1i c\u00e1c tr\u1ea1m g\u1ed1c di \u0111\u1ed9ng (fronthaul, midhaul, backhaul) v\u1edbi m\u1ea1ng l\u00f5i, \u0111\u00f2i h\u1ecfi dung l\u01b0\u1ee3ng cao v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ea1ng c\u00f4ng nghi\u1ec7p &amp; doanh nghi\u1ec7p:<br><\/strong> Cho c\u00e1c \u0111\u01b0\u1eddng c\u00e1p d\u00e0i gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 ho\u1eb7c xuy\u00ean su\u1ed1t khu\u00f4n vi\u00ean r\u1ed9ng l\u1edbn, n\u01a1i kho\u1ea3ng c\u00e1ch c\u1ee7a s\u1ee3i \u0111a mode l\u00e0 kh\u00f4ng \u0111\u1ee7.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c c\u1ee5m t\u00ednh to\u00e1n hi\u1ec7u n\u0103ng cao (HPC):<br><\/strong> N\u01a1i \u0111\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p v\u00e0 b\u0103ng th\u00f4ng kh\u1ed5ng l\u1ed3 gi\u1eefa c\u00e1c n\u00fat l\u00e0 y\u1ebfu t\u1ed1 h\u00e0ng \u0111\u1ea7u.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 Khai ph\u00e1 hi\u1ec7u n\u0103ng s\u1ee3i quang \u0111\u01a1n mode (SMF): Vai tr\u00f2 c\u1ee7a c\u00e1c module thu ph\u00e1t quang<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1p quang s\u1ee3i \u0111\u01a1n mode<br><\/strong> b\u1ea3n th\u00e2n l\u00e0 m\u1ed9t m\u00f4i tr\u01b0\u1eddng th\u1ee5 \u0111\u1ed9ng. \u0110\u1ec3 g\u1eedi v\u00e0 nh\u1eadn d\u1eef li\u1ec7u, b\u1ea1n c\u1ea7n c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ee7 \u0111\u1ed9ng:<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a>. C\u00e1c module n\u00e0y chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch\/b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn m\u1ea1ng th\u00e0nh t\u00edn hi\u1ec7u quang \u0111\u1ec3 truy\u1ec1n tr\u00ean s\u1ee3i quang v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. T\u00ednh t\u01b0\u01a1ng th\u00edch l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<br>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>C\u00e1c lo\u1ea1i module thu ph\u00e1t:<br><\/strong> Ph\u1ed5 bi\u1ebfn<br> <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> c\u00e1c d\u1ea1ng v\u1ecf (form factor) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi s\u1ee3i \u0111\u01a1n mode bao g\u1ed3m SFP, SFP+, QSFP+, QSFP28, QSFP-DD v\u00e0 OSFP, h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 t\u1eeb 1G \u0111\u1ebfn 800G v\u00e0 cao h\u01a1n n\u1eefa.<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u01b0\u1edbc s\u00f3ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng:<br><\/strong> SMF <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng b\u01b0\u1edbc s\u00f3ng 1310nm ho\u1eb7c 1550nm. B\u01b0\u1edbc s\u00f3ng 1550nm c\u00f3 suy hao th\u1ea5p h\u01a1n, cho ph\u00e9p truy\u1ec1n d\u1eabn \u1edf kho\u1ea3ng c\u00e1ch xa nh\u1ea5t.<br>. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-dwdm-explaining-dense-wavelength-division-multiplexing\/\"><strong>DWDM (\u0110a ph\u00e2n b\u01b0\u1edbc s\u00f3ng d\u00e0y \u0111\u1eb7c)<\/strong><\/a> C\u00e1c module thu ph\u00e1t s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc s\u00f3ng 1550nm \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp r\u1ea5t s\u00e1t nhau nh\u1eb1m nh\u00e2n \u0111\u00f4i dung l\u01b0\u1ee3ng tr\u00ean m\u1ed9t c\u1eb7p s\u1ee3i quang duy nh\u1ea5t.<br>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Th\u00f4ng s\u1ed1 kho\u1ea3ng c\u00e1ch:<br><\/strong> C\u00e1c module thu ph\u00e1t \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo t\u1ea7m ho\u1ea1t \u0111\u1ed9ng: SR (t\u1ea7m ng\u1eafn), LR (t\u1ea7m xa \u2013 10km), ER (t\u1ea7m m\u1edf r\u1ed9ng \u2013 40km), ZR (tr\u00ean 80km).<br>. <strong>Lu\u00f4n ch\u1ecdn module thu ph\u00e1t c\u00f3 th\u00f4ng s\u1ed1 kho\u1ea3ng c\u00e1ch ph\u00f9 h\u1ee3p v\u1edbi chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng truy\u1ec1n s\u1ee3i \u0111\u01a1n mode c\u1ee7a b\u1ea1n.<br>.<\/strong><\/p><\/li><li><p style=\"margin: 0px;\"><strong>LINK-PP: \u0110\u1ed1i t\u00e1c c\u1ee7a b\u1ea1n trong k\u1ebft n\u1ed1i quang hi\u1ec7u n\u0103ng cao<br><\/strong> Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c module thu ph\u00e1t<br> <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> \u0111\u00e1ng tin c\u1eady v\u00e0 t\u01b0\u01a1ng th\u00edch l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u1ee7a b\u1ea1n.<br> <strong>c\u00e1p s\u1ee3i quang \u0111\u01a1n mode<\/strong> LINK-PP cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c module thu ph\u00e1t tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n MSA, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea1t hi\u1ec7u n\u0103ng v\u00e0 gi\u00e1 tr\u1ecb t\u1ed1i \u01b0u trong m\u00f4i tr\u01b0\u1eddng s\u1ee3i \u0111\u01a1n mode.<br>.<\/p><\/li>\n<\/ul>\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\/8d888bceab04460dacc8f02b58d8cee0.jpg\" alt=\"Optical Transceiver\" class=\"wp-image-5748\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d888bceab04460dacc8f02b58d8cee0.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d888bceab04460dacc8f02b58d8cee0-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d888bceab04460dacc8f02b58d8cee0-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d888bceab04460dacc8f02b58d8cee0-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d888bceab04460dacc8f02b58d8cee0-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c module thu ph\u00e1t \u0111\u01b0\u1ee3c LINK-PP khuy\u1ebfn ngh\u1ecb cho \u1ee9ng d\u1ee5ng s\u1ee3i quang \u0111\u01a1n mode<br><\/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=\"width: 100px;\"\/><col style=\"width: 142px;\"\/><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>T\u1ed1c \u0111\u1ed9 \u1ee9ng d\u1ee5ng<br><\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"100\"><p><strong>D\u1ea1ng th\u00f4ng d\u1ee5ng<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"142\"><p><strong>V\u00ed d\u1ee5 M\u1eabu LINK-PP<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Kho\u1ea3ng c\u00e1ch s\u1ee3i \u0111\u01a1n mode \u0111i\u1ec3n h\u00ecnh<br><\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>B\u01b0\u1edbc s\u00f3ng<br><\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh<br><\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>1 Gigabit<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"100\"><p>SFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"142\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\">LS-SM311G-10C<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft n\u00e2ng c\u1ea5p doanh nghi\u1ec7p, li\u00ean k\u1ebft t\u1ea7m trung<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>10 Gigabit<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"100\"><p>SFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"142\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\">LS-SM3110-10C<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c li\u00ean k\u1ebft 10G ph\u1ed5 bi\u1ebfn trong trung t\u00e2m d\u1eef li\u1ec7u\/doanh nghi\u1ec7p<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>10 Gigabit (t\u1ea7m xa)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"100\"><p>SFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"142\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475581.htm\">LS-SM5510-40C<br><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1550 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u (DCI) t\u1ea7m xa<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>25 Gigabit<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"100\"><p>SFP28<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"142\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\">LS-SM3125-10C<br><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Truy\u1ec1n d\u1eabn tr\u01b0\u1edbc 5G (Fronthaul), li\u00ean k\u1ebft m\u00e1y ch\u1ee7 t\u1ed1c \u0111\u1ed9 cao<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>40 Gigabit<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"100\"><p>QSFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"142\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482487.htm\">LQ-CW40-LR4C<br><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310nm (4 k\u00eanh)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eadp trung l\u01b0u l\u01b0\u1ee3ng, chuy\u1ec3n m\u1ea1ch l\u00f5i<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>100 Gigabit<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"100\"><p>QSFP28<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"142\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\">LQ-LW100-LR4C<br><\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310nm (4 k\u00eanh)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft x\u01b0\u01a1ng s\u1ed1ng\/t\u1ea7ng l\u00e1 m\u1eadt \u0111\u1ed9 cao trong trung t\u00e2m d\u1eef li\u1ec7u, li\u00ean k\u1ebft DCI<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>100 Gigabit (t\u1ea7m xa)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"100\"><p>QSFP28<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"142\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472708.htm\">LQ-LW100-ER4C<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310nm (4 k\u00eanh)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u (DCI) \u0111\u01b0\u1eddng d\u00e0i<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>400 Gigabit<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"100\"><p>QSFP-DD<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"142\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472000.htm\">LQD-CW400-FR4C<\/a><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2km<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310nm (4 k\u00eanh)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft n\u1ed9i b\u1ed9 t\u1ed1c \u0111\u1ed9 cao th\u1ebf h\u1ec7 m\u1edbi trong trung t\u00e2m d\u1eef li\u1ec7u<br><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 \u0110\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u cho s\u1ee3i quang \u0111\u01a1n mode<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tri\u1ec3n khai s\u1ee3i quang \u0111\u01a1n mode th\u00e0nh c\u00f4ng \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00fa \u00fd t\u1ec9 m\u1ec9:<br><\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>L\u1eafp \u0111\u1eb7t v\u00e0 x\u1eed l\u00fd \u0111\u00fang c\u00e1ch:<br><\/strong> L\u00f5i s\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n (SMF) r\u1ea5t nh\u1ecf. Vi\u1ec7c c\u1eaft ch\u00ednh x\u00e1c, h\u00e0n n\u1ed1i (\u01b0u ti\u00ean h\u00e0n n\u00f3ng ch\u1ea3y) v\u00e0 l\u1eafp \u0111\u1ea7u n\u1ed1i (nh\u01b0 APC\/PC) l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t nh\u1eb1m gi\u1ea3m thi\u1ec3u t\u1ed5n hao v\u00e0 ph\u1ea3n x\u1ea1 ng\u01b0\u1ee3c. Tr\u00e1nh u\u1ed1n cong qu\u00e1 m\u1ee9c, v\u01b0\u1ee3t b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u c\u1ee7a s\u1ee3i quang.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a th\u00e0nh ph\u1ea7n:<\/strong> \u0110\u1ea3m b\u1ea3o c\u00e1c \u0111\u1ea7u n\u1ed1i (LC, SC l\u00e0 ph\u1ed5 bi\u1ebfn), b\u1ea3ng \u0111\u1ea5u n\u1ed1i v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi <strong>c\u00e1p s\u1ee3i quang \u0111\u01a1n mode<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ki\u1ec3m tra &amp; ch\u1ee9ng nh\u1eadn:<\/strong> S\u1eed d\u1ee5ng m\u00e1y ph\u1ea3n x\u1ea1 quang th\u1eddi gian (OTDR) v\u00e0 b\u1ed9 ngu\u1ed3n s\u00e1ng\/k\u1ebf c\u00f4ng su\u1ea5t (LSPM) \u0111\u1ec3 ch\u1ee9ng nh\u1eadn \u0111\u01b0\u1eddng c\u00e1p quang v\u1ec1 suy hao v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>L\u1ef1a ch\u1ecdn \u0111\u1ed1i t\u00e1c ph\u00f9 h\u1ee3p:<\/strong> H\u1ee3p t\u00e1c v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn c\u1ea3 v\u1ec1 c\u00e1p quang v\u00e0 <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, hi\u1ec7u n\u0103ng v\u00e0 tu\u1ed5i th\u1ecd.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 K\u1ebft lu\u1eadn: Nh\u00e0 v\u00f4 \u0111\u1ecbch tuy\u1ec7t \u0111\u1ed1i v\u1ec1 kho\u1ea3ng c\u00e1ch v\u00e0 t\u1ed1c \u0111\u1ed9<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1p quang s\u1ee3i \u0111\u01a1n mode<br><\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1p th\u00f4ng th\u01b0\u1eddng; \u0111\u00e2y l\u00e0 y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng cho th\u1ebf gi\u1edbi k\u1ebft n\u1ed1i to\u00e0n c\u1ea7u t\u1ed1c \u0111\u1ed9 cao m\u00e0 ch\u00fang ta ph\u1ee5 thu\u1ed9c v\u00e0o. Kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 tr\u00ean kho\u1ea3ng c\u00e1ch c\u1ef1c xa v\u1edbi m\u1ee9c suy hao t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho m\u1ea1ng l\u00f5i, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5, li\u00ean k\u1ebft kho\u1ea3ng c\u00e1ch xa v\u00e0 ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn trong m\u1ea1ng truy nh\u1eadp y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 gigabit tr\u1edf l\u00ean. M\u1eb7c d\u00f9 chi ph\u00ed ban \u0111\u1ea7u <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> c\u00f3 th\u1ec3 cao h\u01a1n so v\u1edbi s\u1ee3i \u0111a mode, nh\u01b0ng hi\u1ec7u n\u0103ng v\u01b0\u1ee3t tr\u1ed9i, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00f4 h\u1ea1n v\u00e0 t\u00ednh s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai c\u1ee7a SMF mang l\u1ea1i gi\u00e1 tr\u1ecb d\u00e0i h\u1ea1n ch\u01b0a t\u1eebng c\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eb5n s\u00e0ng khai th\u00e1c s\u1ee9c m\u1ea1nh c\u1ee7a s\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n cho m\u1ea1ng c\u1ee7a b\u1ea1n?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u00e1m ph\u00e1 to\u00e0n b\u1ed9 d\u00f2ng transceiver quang LINK-PP hi\u1ec7u n\u0103ng cao, t\u01b0\u01a1ng th\u00edch ho\u00e0n to\u00e0n, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho vi\u1ec7c tri\u1ec3n khai c\u00e1p quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n \u0111\u00e1ng tin c\u1eady.<\/strong> D\u00f9 b\u1ea1n c\u1ea7n gi\u1ea3i ph\u00e1p 10G ti\u1ebft ki\u1ec7m chi ph\u00ed hay c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn 400G\/800G cho d\u1ef1 \u00e1n li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u ho\u1eb7c truy\u1ec1n th\u00f4ng quang kho\u1ea3ng c\u00e1ch xa, <strong>LINK-PP<\/strong> \u0111\u1ec1u c\u00f3 chuy\u00ean m\u00f4n v\u00e0 s\u1ea3n ph\u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00e0nh c\u00f4ng cho b\u1ea1n.<\/p>\n\n\n\n<div><div widgetid=\"3ef779ac451211f099380a58fbc66727\" format=\"embedded\" data-widget-id=\"3ef779ac451211f099380a58fbc66727\" data-mode=\"production.zh\" style=\"display: block;\"><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 Xem th\u00eam<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\">OM1 OM2 OM3 OM4 OM5 S\u1ee3i quang \u0111a mode \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch<\/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 ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 trong hi\u1ec7u n\u0103ng transceiver quang<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/common-fiber-connector-types-optical-transceivers\/\">Gi\u1edbi thi\u1ec7u M\u1ea1ng LINK-PP: Tham gia c\u1ed9ng \u0111\u1ed3ng c\u1ee7a ch\u00fang t\u00f4i ngay h\u00f4m nay<\/a><\/p>\n\n\n\n<script src=\"https:\/\/cdn.mylandingpages.co\/widgets\/platform\/platform.widget.js\" async=\"true\"><\/script>","protected":false},"excerpt":{"rendered":"<p>S\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n s\u1eed d\u1ee5ng l\u00f5i nh\u1ecf \u0111\u1ec3 truy\u1ec1n m\u1ed9t \u0111\u01b0\u1eddng \u0111i c\u1ee7a \u00e1nh s\u00e1ng, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao tr\u00ean kho\u1ea3ng c\u00e1ch xa v\u1edbi t\u1ed5n hao t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u v\u00e0 \u0111\u1ed9 t\u00e1n s\u1eafc th\u1ea5p.<\/p>","protected":false},"author":1,"featured_media":5744,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5749","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\/5749","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=5749"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5749\/revisions"}],"predecessor-version":[{"id":11348,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5749\/revisions\/11348"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5744"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}