{"id":4291,"date":"2025-07-10T00:00:00","date_gmt":"2025-07-10T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/digital-signal-processor-functionality-in-optical-transceivers\/"},"modified":"2026-06-22T09:07:30","modified_gmt":"2026-06-22T09:07:30","slug":"digital-signal-processor-functionality-in-optical-transceivers","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/digital-signal-processor-functionality-in-optical-transceivers","title":{"rendered":"M\u1edf Kh\u00f3a Hi\u1ec7u Su\u1ea5t Quang H\u1ecdc: Vai Tr\u00f2 Thi\u1ebft Y\u1ebfu c\u1ee7a B\u1ed9 X\u1eed L\u00fd T\u00edn Hi\u1ec7u S\u1ed1 (DSP) trong B\u1ed9 Thu Ph\u00e1t Quang Hi\u1ec7n \u0110\u1ea1i"},"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\/fc76162f8edb4b62899ea1eaf050d7c2.webp\" alt=\"What Is Digital Signal Processor\" class=\"wp-image-4288\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc76162f8edb4b62899ea1eaf050d7c2.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc76162f8edb4b62899ea1eaf050d7c2-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc76162f8edb4b62899ea1eaf050d7c2-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc76162f8edb4b62899ea1eaf050d7c2-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/fc76162f8edb4b62899ea1eaf050d7c2-18x12.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 cu\u1ed9c truy t\u00ecm kh\u00f4ng ng\u1eebng ngh\u1ec9 v\u1ec1 b\u0103ng th\u00f4ng cao h\u01a1n v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n xa h\u01a1n, c\u00e1c b\u1ed9 thu ph\u00e1t quang \u0111\u00e3 ti\u1ebfn h\u00f3a t\u1eeb nh\u1eefng th\u00e0nh ph\u1ea7n t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n th\u00e0nh nh\u1eefng trung t\u00e2m x\u1eed l\u00fd t\u00edn hi\u1ec7u tinh vi. \u1ede trung t\u00e2m c\u1ee7a s\u1ef1 chuy\u1ec3n \u0111\u1ed5i n\u00e0y n\u1eb1m <\/span><span class=\"qc-p1-tag\"><strong>B\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP)<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0, ki\u1ebfn tr\u00fac s\u01b0 m\u1ea1ng v\u00e0 chuy\u00ean gia mua s\u1eafm \u0111ang \u0111i\u1ec1u h\u01b0\u1edbng nh\u1eefng ph\u1ee9c t\u1ea1p c\u1ee7a m\u1ea1ng quang hi\u1ec7n \u0111\u1ea1i, vi\u1ec7c hi\u1ec3u r\u00f5 ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP) l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u00fang <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26045-400g-qsfp-dd-osfp-qsfp112.htm\"><span class=\"qc-p1-tag\" style=\"color: var(--qc-color8);\"><strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao<\/strong><\/span><\/a><span class=\"qc-p1-tag\"><strong> gi\u1ea3i ph\u00e1p<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\">.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd V\u01b0\u1ee3t Ra Ngo\u00e0i \u00c1nh S\u00e1ng: DSP Th\u1ef1c S\u1ef1 L\u00e0m G\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>b\u1ed9 thu ph\u00e1t quang<\/strong>\u2018c\u00f4ng vi\u1ec7c c\u01a1 b\u1ea3n c\u1ee7a  l\u00e0 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n sang t\u00edn hi\u1ec7u quang (ph\u00e1t) v\u00e0 ng\u01b0\u1ee3c l\u1ea1i (thu). Tuy nhi\u00ean, khi t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u0103ng v\u1ecdt v\u01b0\u1ee3t qu\u00e1 100G, 400G v\u00e0 hi\u1ec7n nay l\u00e0 800G, vi\u1ec7c ch\u1ec9 \u0111\u01a1n thu\u1ea7n chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u l\u00e0 ch\u01b0a \u0111\u1ee7. C\u00e1c t\u00edn hi\u1ec7u truy\u1ec1n qua s\u1ee3i quang b\u1ecb suy gi\u1ea3m b\u1edfi nhi\u1ec1u d\u1ea1ng m\u00e9o t\u00edn hi\u1ec7u:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>T\u00e1n s\u1eafc s\u1eafc m\u00e0u (Chromatic Dispersion \u2013 CD):<\/strong> C\u00e1c b\u01b0\u1edbc s\u00f3ng \u00e1nh s\u00e1ng kh\u00e1c nhau di chuy\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 h\u01a1i kh\u00e1c nhau, khi\u1ebfn c\u00e1c xung t\u00edn hi\u1ec7u lan r\u1ed9ng v\u00e0 ch\u1ed3ng l\u1ea5n l\u00ean nhau.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 t\u00e1n s\u1eafc ph\u00e2n c\u1ef1c (PMD):<\/strong> Nh\u1eefng khuy\u1ebft t\u1eadt trong s\u1ee3i quang khi\u1ebfn c\u00e1c tr\u1ea1ng th\u00e1i ph\u00e2n c\u1ef1c kh\u00e1c nhau c\u1ee7a \u00e1nh s\u00e1ng di chuy\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u \u1ee9ng phi tuy\u1ebfn:<\/strong> M\u1ee9c c\u00f4ng su\u1ea5t quang cao g\u00e2y ra c\u00e1c t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p b\u00ean trong ch\u00ednh s\u1ee3i quang, l\u00e0m bi\u1ebfn d\u1ea1ng t\u00edn hi\u1ec7u.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Nhi\u1ec5u ph\u00e1t x\u1ea1 t\u1ef1 ph\u00e1t khu\u1ebfch \u0111\u1ea1i (ASE):<\/strong> Nhi\u1ec5u do c\u00e1c b\u1ed9 khu\u1ebfch \u0111\u1ea1i quang (nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/erbium-doped-fiber-amplifier-optical-networks\/\"><strong>EDFA<\/strong><\/a>) g\u00e2y ra d\u1ecdc theo tuy\u1ebfn truy\u1ec1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Suy hao t\u00edn hi\u1ec7u:<\/strong> S\u1ef1 suy y\u1ebfu d\u1ea7n d\u1ea7n c\u1ee7a t\u00edn hi\u1ec7u quang theo kho\u1ea3ng c\u00e1ch.<\/p><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"627\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/107a1b7e1576480cbbfe8dc20480c4bb.webp\" alt=\"Digital Signal Processor\" class=\"wp-image-4289\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/107a1b7e1576480cbbfe8dc20480c4bb.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/107a1b7e1576480cbbfe8dc20480c4bb-300x157.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/107a1b7e1576480cbbfe8dc20480c4bb-1024x535.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/107a1b7e1576480cbbfe8dc20480c4bb-768x401.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/107a1b7e1576480cbbfe8dc20480c4bb-18x9.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP) hi\u1ec7u n\u0103ng cao cho c\u00e1c module quang<\/strong> \u0111\u00f3ng vai tr\u00f2 nh\u01b0 b\u1ed9 n\u00e3o v\u00e0 \u0111\u1ed9ng c\u01a1 hi\u1ec7u ch\u1ec9nh. C\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a n\u00f3 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/what-is-optical-modulation-and-how-it-works-explained\/\"><strong>\u0110i\u1ec1u ch\u1ebf Ti\u00ean ti\u1ebfn<\/strong><\/a><strong>:<\/strong> T\u1ea1o ra c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ph\u1ee9c t\u1ea1p (v\u00ed d\u1ee5: DP-16QAM, DP-64QAM), cho ph\u00e9p n\u00e9n nhi\u1ec1u bit d\u1eef li\u1ec7u h\u01a1n v\u00e0o m\u1ed7i k\u00fd hi\u1ec7u, t\u1eeb \u0111\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao h\u01a1n trong c\u00f9ng m\u1ed9t b\u0103ng th\u00f4ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u00f9 tr\u1eeb k\u1ef9 thu\u1eadt s\u1ed1:<\/strong> B\u00f9 tr\u1eeb ch\u1ee7 \u0111\u1ed9ng c\u00e1c m\u00e9o t\u00edn hi\u1ec7u do \u0111\u1ed9 t\u00e1n s\u1eafc chromatic (CD), \u0111\u1ed9 t\u00e1n s\u1eafc ph\u00e2n c\u1ef1c (PMD) v\u00e0 c\u00e1c m\u00e9o phi tuy\u1ebfn <em>b\u1eb1ng k\u1ef9 thu\u1eadt s\u1ed1<\/em> ngay b\u00ean trong b\u1ed9 thu ph\u00e1t, gi\u00fap m\u1edf r\u1ed9ng \u0111\u00e1ng k\u1ec3 kho\u1ea3ng c\u00e1ch truy\u1ec1n m\u00e0 kh\u00f4ng c\u1ea7n c\u00e1c b\u1ed9 b\u00f9 ngo\u00e0i c\u1ed3ng k\u1ec1nh.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>S\u1eeda l\u1ed7i ti\u1ebfn (Forward Error Correction \u2013 FEC):<\/strong> Tri\u1ec3n khai c\u00e1c thu\u1eadt to\u00e1n m\u00e3 h\u00f3a k\u00eanh s\u1eeda l\u1ed7i m\u1ea1nh m\u1ebd (v\u00ed d\u1ee5: oFEC, CFEC), th\u00eam c\u00e1c bit d\u01b0 th\u1eeba \u0111\u1ec3 b\u1ed9 thu c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda l\u1ed7i do nhi\u1ec5u g\u00e2y ra, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 tin c\u1eady c\u1ee7a li\u00ean k\u1ebft v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng t\u1ef7 s\u1ed1 t\u00edn hi\u1ec7u tr\u00ean nhi\u1ec5u quang (OSNR) th\u1ea5p h\u01a1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Tuy\u1ebfn t\u00ednh h\u00f3a:<\/strong> Hi\u1ec7u ch\u1ec9nh c\u00e1c bi\u1ebfn d\u1ea1ng v\u1ed1n c\u00f3 trong c\u00e1c th\u00e0nh ph\u1ea7n b\u1ed9 \u0111i\u1ec1u khi\u1ec3n laser v\u00e0 b\u1ed9 \u0111i\u1ec1u ch\u1ebf.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Kh\u00f4i ph\u1ee5c \u0111\u1ed3ng h\u1ed3 &amp; \u0110\u1ed3ng b\u1ed9 h\u00f3a:<\/strong> Kh\u00f4i ph\u1ee5c ch\u00ednh x\u00e1c t\u00edn hi\u1ec7u th\u1eddi gian t\u1eeb lu\u1ed3ng d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t:<\/strong> Cung c\u1ea5p ch\u1ea9n \u0111o\u00e1n th\u1eddi gian th\u1ef1c v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u (v\u00ed d\u1ee5: T\u1ef7 l\u1ec7 l\u1ed7i bit tr\u01b0\u1edbc khi s\u1eeda l\u1ed7i FEC), c\u00f4ng su\u1ea5t quang, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111i\u1ec7n \u00e1p, cho ph\u00e9p qu\u1ea3n l\u00fd m\u1ea1ng th\u00f4ng minh.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd S\u1ef1 ti\u1ebfn h\u00f3a: C\u00e1c b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 (DSP) th\u00fac \u0111\u1ea9y c\u00e1c th\u1ebf h\u1ec7 b\u1ed9 thu ph\u00e1t quang<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1ef1 ti\u1ebfn h\u00f3a kh\u1ea3 n\u0103ng DSP trong <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>B\u1ed9 thu ph\u00e1t quang<\/strong><\/a><\/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;\"\/><\/colgroup><tbody><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>K\u1ef7 nguy\u00ean<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Vai tr\u00f2 &amp; T\u00e1c \u0111\u1ed9ng c\u1ee7a DSP<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>10G &amp; 40G s\u01a1 khai<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>DSP t\u1ed1i thi\u1ec3u ho\u1eb7c kh\u00f4ng c\u00f3 DSP. D\u1ef1a v\u00e0o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf \u0111\u01a1n gi\u1ea3n h\u01a1n (NRZ) v\u00e0 t\u1ea7m ho\u1ea1t \u0111\u1ed9ng h\u1ea1n ch\u1ebf.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>100G k\u1ebft h\u1ee3p (CFP\/CFP2)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c DSP tinh vi cho ph\u00e9p ph\u00e1t hi\u1ec7n k\u1ebft h\u1ee3p (DP-QPSK), c\u00e1ch m\u1ea1ng h\u00f3a truy\u1ec1n d\u1eabn c\u1ef1 ly xa.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>400G\/800G k\u1ebft h\u1ee3p (QSFP-DD, OSFP)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c DSP t\u00edch h\u1ee3p cao, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cho ph\u00e9p c\u00f4ng ngh\u1ec7 k\u1ebft h\u1ee3p trong c\u00e1c d\u1ea1ng module c\u1eafm r\u1eddi (pluggable) d\u00e0nh cho li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u (DCI) v\u00e0 m\u1ea1ng \u0111\u00f4 th\u1ecb (Metro). H\u1ed7 tr\u1ee3 \u0111i\u1ec1u ch\u1ebf b\u1eadc cao h\u01a1n (16QAM, 64QAM).<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>T\u01b0\u01a1ng lai (1,6T+)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eadp trung v\u00e0o t\u00edch h\u1ee3p c\u1ef1c cao, gi\u1ea3m ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng tr\u00ean m\u1ed7i bit (nJ\/bit), c\u00e1c thu\u1eadt to\u00e1n ti\u00ean ti\u1ebfn (\u0111\u1ecbnh h\u00ecnh x\u00e1c su\u1ea5t \u2013 probabilistic shaping) v\u00e0 h\u1ed7 tr\u1ee3 quang h\u1ecdc t\u00edch h\u1ee3p c\u00f9ng g\u00f3i (co-packaged optics).<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd V\u00ec sao vi\u1ec7c l\u1ef1a ch\u1ecdn DSP l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u n\u0103ng m\u1ea1ng c\u1ee7a b\u1ea1n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ch\u1ecdn m\u1ed9t b\u1ed9 thu ph\u00e1t quang c\u00f3 DSP m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u qu\u1ea3 tr\u1ef1c ti\u1ebfp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<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> Li\u00ean k\u1ebft 400G c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch 2 km, 10 km, 40 km, 80 km hay 120 km kh\u00f4ng? Kh\u1ea3 n\u0103ng b\u00f9 tr\u1eeb c\u1ee7a DSP l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ti\u00eau th\u1ee5 c\u00f4ng su\u1ea5t:<\/strong> DSP l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3. <strong>Thi\u1ebft k\u1ebf DSP ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng<\/strong> r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c tri\u1ec3n khai m\u1eadt \u0111\u1ed9 cao v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh (OPEX). C\u00e1c DSP t\u1ed1t h\u01a1n \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u n\u0103ng cao h\u01a1n tr\u00ean m\u1ed7i watt.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 tr\u1ec5:<\/strong> M\u1eb7c d\u00f9 x\u1eed l\u00fd DSP th\u00eam m\u1ed9t ch\u00fat \u0111\u1ed9 tr\u1ec5, nh\u01b0ng c\u00e1c <strong>gi\u1ea3i ph\u00e1p DSP \u0111\u1ed9 tr\u1ec5 th\u1ea5p hi\u1ec7n \u0111\u1ea1i<\/strong> \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u cho c\u00e1c \u1ee9ng d\u1ee5ng giao d\u1ecbch t\u00e0i ch\u00ednh v\u00e0 k\u1ebft n\u1ed1i t\u00ednh to\u00e1n (compute-interconnect).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 tin c\u1eady &amp; D\u1ef1 ph\u00f2ng:<\/strong> Kh\u1ea3 n\u0103ng b\u00f9 tr\u1eeb m\u1ea1nh m\u1ebd <strong>FEC<\/strong> v\u00e0 \u1ed5n \u0111\u1ecbnh cung c\u1ea5p d\u1ef1 ph\u00f2ng li\u00ean k\u1ebft thi\u1ebft y\u1ebfu, \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n thay \u0111\u1ed5i v\u00e0 trong su\u1ed1t v\u00f2ng \u0111\u1eddi linh ki\u1ec7n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO):<br><\/strong> M\u1ed9t b\u1ed9 thu ph\u00e1t quang c\u00f3 DSP v\u01b0\u1ee3t tr\u1ed9i c\u00f3 th\u1ec3 c\u00f3 chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n, nh\u01b0ng c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf c\u00e1c b\u1ed9 b\u00f9 tr\u1eeb b\u00ean ngo\u00e0i, cho ph\u00e9p c\u00e1c \u0111o\u1ea1n c\u00e1p d\u00e0i h\u01a1n (\u00edt b\u1ed9 khu\u1ebfch \u0111\u1ea1i trung gian h\u01a1n) v\u00e0 gi\u1ea3m nhu c\u1ea7u v\u1ec1 n\u0103ng l\u01b0\u1ee3ng\/l\u00e0m m\u00e1t.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd LINK-PP: \u0110\u01b0a ra gi\u1ea3i ph\u00e1p t\u00edch h\u1ee3p DSP ti\u00ean ti\u1ebfn<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6ffa30a2e01d4518908d898fc2013a7c.webp\" alt=\"LINK-PP\" class=\"wp-image-4290\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6ffa30a2e01d4518908d898fc2013a7c.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6ffa30a2e01d4518908d898fc2013a7c-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6ffa30a2e01d4518908d898fc2013a7c-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6ffa30a2e01d4518908d898fc2013a7c-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6ffa30a2e01d4518908d898fc2013a7c-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i LINK-PP, ch\u00fang t\u00f4i nh\u1eadn th\u1ee9c r\u1eb1ng DSP l\u00e0 n\u1ec1n t\u1ea3ng c\u1ed1t l\u00f5i c\u1ee7a hi\u1ec7u n\u0103ng b\u1ed9 thu ph\u00e1t quang th\u1ebf h\u1ec7 ti\u1ebfp theo <strong>quang h\u1ecdc<\/strong>. Tr\u1ecdng t\u00e2m k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i l\u00e0 t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 DSP \u0111\u1ed3ng pha h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi <strong>v\u00e0o danh m\u1ee5c s\u1ea3n ph\u1ea9m to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i. Ch\u00fang t\u00f4i h\u1ee3p t\u00e1c ch\u1eb7t ch\u1ebd v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p DSP h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c module c\u1ee7a ch\u00fang t\u00f4i mang l\u1ea1i \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u t\u1ed1i \u01b0u, kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn t\u1ed1i \u0111a v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng t\u1ed1i thi\u1ec3u.<\/strong> B\u1ed9 thu ph\u00e1t quang LINK-PP QSFP-DD 400G LR4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\"><strong>, v\u00ed d\u1ee5, t\u1eadn d\u1ee5ng DSP ti\u00ean ti\u1ebfn 7nm. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p:<\/strong><\/a>, Truy\u1ec1n d\u1eabn 400Gbps l\u00ean \u0111\u1ebfn 10km b\u1eb1ng \u0111i\u1ec1u ch\u1ebf DP-16QAM.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">B\u00f9 t\u1ef1 \u0111\u1ed9ng t\u00edch h\u1ee3p cho CD (&gt; 50.000 ps\/nm) v\u00e0 PMD.<\/p><\/li><li><p style=\"margin: 0px;\">oFEC \u0111\u1ed9 khu\u1ebfch \u0111\u1ea1i cao \u0111\u1ec3 s\u1eeda l\u1ed7i v\u01b0\u1ee3t tr\u1ed9i.<\/p><\/li><li><p style=\"margin: 0px;\">Gi\u00e1m s\u00e1t hi\u1ec7u n\u0103ng th\u1eddi gian th\u1ef1c to\u00e0n di\u1ec7n.<\/p><\/li><li><p style=\"margin: 0px;\">Hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng d\u1eabn \u0111\u1ea7u ng\u00e0nh d\u00e0nh cho tri\u1ec3n khai m\u1eadt \u0111\u1ed9 cao.<\/p><\/li><li><p style=\"margin: 0px;\">\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u kh\u1eaft khe.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0111\u00f2i h\u1ecfi <strong>k\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/strong> quang h\u1ecdc c\u1eafm r\u1eddi b\u0103ng th\u00f4ng cao, ti\u00eau th\u1ee5 \u0111i\u1ec7n th\u1ea5p <strong>Module OSFP 800G LINK-PP<\/strong>, LINK-PP LPJ4014CNL Industrial RJ45 Magjack <strong>s\u1eed d\u1ee5ng l\u00f5i DSP ti\u00ean ti\u1ebfn 5nm h\u1ed7 tr\u1ee3 DP-64QAM, m\u1edf r\u1ed9ng gi\u1edbi h\u1ea1n v\u1ec1 dung l\u01b0\u1ee3ng v\u00e0 kho\u1ea3ng c\u00e1ch trong khu\u00f4n kh\u1ed5 ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t nghi\u00eam ng\u1eb7t c\u1ee7a c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i.<\/strong> \u27bd T\u01b0\u01a1ng lai \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh b\u1edfi \u0111\u1ed5i m\u1edbi DSP.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd T\u01b0\u01a1ng lai \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh b\u1edfi \u0111\u1ed5i m\u1edbi DSP<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1eddng \u0111i c\u1ee7a m\u1ea1ng quang g\u1eafn ch\u1eb7t v\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP). C\u00e1c xu h\u01b0\u1edbng ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u0110i\u1ec1u ch\u1ebf b\u1eadc cao v\u00e0 \u0111\u1ecbnh d\u1ea1ng x\u00e1c su\u1ea5t:<\/strong> N\u00e9n th\u00eam dung l\u01b0\u1ee3ng v\u00e0o ph\u1ed5 t\u1ea7n c\u00f3 s\u1eb5n.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-cpo-optical-module-and-why-it-matters\/\"><strong>Quang h\u1ecdc t\u00edch h\u1ee3p c\u00f9ng g\u00f3i (CPO)<\/strong><\/a><strong>:<\/strong> \u0110\u01b0a DSP l\u1ea1i g\u1ea7n h\u01a1n v\u1edbi <strong>vi m\u1ea1ch ASIC chuy\u1ec3n m\u1ea1ch<\/strong>, \u0111\u00f2i h\u1ecfi nh\u1eefng thay \u0111\u1ed5i mang t\u00ednh c\u00e1ch m\u1ea1ng trong ki\u1ebfn tr\u00fac DSP nh\u1eb1m \u0111\u1ea1t m\u1ee9c t\u00edch h\u1ee3p c\u1ef1c cao v\u00e0 gi\u1ea3m c\u00f4ng su\u1ea5t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI):<\/strong> S\u1eed d\u1ee5ng AI\/h\u1ecdc m\u00e1y (ML) b\u00ean trong c\u00e1c DSP \u0111\u1ec3 b\u00f9 tr\u1eeb c\u00e1c suy hao m\u1ed9t c\u00e1ch th\u00edch \u1ee9ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n n\u1eefa.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u linh ho\u1ea1t:<\/strong> C\u00e1c DSP cho ph\u00e9p ch\u1ecdn t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u b\u1eb1ng ph\u1ea7n m\u1ec1m (v\u00ed d\u1ee5: 400G, 200G, 100G) tr\u00ean c\u00f9ng m\u1ed9t module nh\u1eb1m t\u1ed1i \u0111a h\u00f3a t\u00ednh linh ho\u1ea1t khi tri\u1ec3n khai.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ti\u1ebfp t\u1ee5c gi\u1ea3m c\u00f4ng su\u1ea5t:<\/strong> \u0110\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n (nJ\/bit) th\u00f4ng qua vi\u1ec7c thu nh\u1ecf n\u00fat quy tr\u00ecnh (3nm v\u00e0 nh\u1ecf h\u01a1n) c\u0169ng nh\u01b0 c\u00e1c \u0111\u1ed5i m\u1edbi v\u1ec1 ki\u1ebfn tr\u00fac.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd K\u1ebft lu\u1eadn: \u0110\u1ed9ng c\u01a1 kh\u00f4ng th\u1ec3 thi\u1ebfu<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>B\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1<\/strong> kh\u00f4ng c\u00f2n ch\u1ec9 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n; m\u00e0 l\u00e0 \u0111\u1ed9ng c\u01a1 kh\u00f4ng th\u1ec3 thi\u1ebfu, th\u00fac \u0111\u1ea9y kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c gi\u1ea3i ph\u00e1p <strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao hi\u1ec7n \u0111\u1ea1i<\/strong>. Kh\u1ea3 n\u0103ng c\u1ee7a DSP trong vi\u1ec7c gi\u1ea3m thi\u1ec3u c\u00e1c suy hao, th\u1ef1c hi\u1ec7n \u0111i\u1ec1u ch\u1ebf ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u th\u00f4ng qua m\u00e3 s\u1eeda l\u1ed7i m\u1ea1nh m\u1ebd (FEC) ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 l\u00e0m cho c\u00e1c t\u1ed1c \u0111\u1ed9 400G, 800G v\u00e0 c\u1ea3 c\u00e1c t\u1ed1c \u0111\u1ed9 terabit trong t\u01b0\u01a1ng lai tr\u1edf n\u00ean kh\u1ea3 thi tr\u00ean c\u00e1c kho\u1ea3ng c\u00e1ch th\u1ef1c t\u1ebf. Vi\u1ec7c hi\u1ec3u r\u00f5 vai tr\u00f2 v\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a DSP l\u00e0 r\u1ea5t quan tr\u1ecdng khi \u0111\u00e1nh gi\u00e1 <strong>quang h\u1ecdc<\/strong> v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u1ed1i \u01b0u h\u00f3a m\u1ea1ng c\u1ee7a b\u1ea1n v\u1edbi c\u00e1c b\u1ed9 thu ph\u00e1t quang hi\u1ec7u n\u0103ng cao c\u1ee7a LINK-PP.<\/strong> Kh\u00e1m ph\u00e1 lo\u1ea1t s\u1ea3n ph\u1ea9m 400G v\u00e0 800G c\u1ee7a ch\u00fang t\u00f4i, \u0111\u01b0\u1ee3c trang b\u1ecb c\u00e1c DSP ti\u00ean ti\u1ebfn nh\u1ea5t, thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea1t t\u1ea7m xa t\u1ed1i \u0111a, hi\u1ec7u su\u1ea5t cao v\u00e0 \u0111\u1ed9 tin c\u1eady v\u01b0\u1ee3t tr\u1ed9i. <strong>Li\u00ean h\u1ec7 ngay v\u1edbi \u0111\u1ed9i ng\u0169 b\u00e1n h\u00e0ng k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n<\/strong> v\u00e0 kh\u00e1m ph\u00e1 gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>module quang LINK-PP c\u1ee5 th\u1ec3<\/strong><\/a> \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\"><strong>Truy c\u1eadp trang web c\u1ee7a ch\u00fang t\u00f4i \u279e<\/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>Y\u00eau c\u1ea7u b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u279e<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >DSP th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng g\u00ec trong m\u1ed9t b\u1ed9 thu ph\u00e1t quang?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t DSP chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u gi\u1eefa d\u1ea1ng t\u01b0\u01a1ng t\u1ef1 v\u00e0 d\u1ea1ng s\u1ed1. N\u00f3 gi\u00fap truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n v\u00e0 xa h\u01a1n. DSP c\u0169ng kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 trong t\u00edn hi\u1ec7u v\u00e0 gi\u1eef cho d\u1eef li\u1ec7u lu\u00f4n r\u00f5 r\u00e0ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >DSP c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0o trong s\u1ee3i quang?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DSP c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng t\u00e1n s\u1eafc chromatic, nhi\u1ec5u v\u00e0 c\u00e1c hi\u1ec7u \u1ee9ng phi tuy\u1ebfn. N\u00f3 c\u0169ng s\u1eeda l\u1ed7i v\u00e0 duy tr\u00ec \u0111\u1ed9 m\u1ea1nh c\u1ee7a t\u00edn hi\u1ec7u. \u0110i\u1ec1u n\u00e0y gi\u00fap d\u1eef li\u1ec7u truy\u1ec1n \u0111i kho\u1ea3ng c\u00e1ch d\u00e0i m\u00e0 kh\u00f4ng m\u1ea5t ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >DSP h\u1ed7 tr\u1ee3 nh\u1eefng lo\u1ea1i \u0111i\u1ec1u ch\u1ebf n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">DSP h\u1ed7 tr\u1ee3 c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111i\u1ec1u ch\u1ebf ti\u00ean ti\u1ebfn nh\u01b0 QAM v\u00e0 PAM4. Nh\u1eefng \u0111\u1ecbnh d\u1ea1ng n\u00e0y cho ph\u00e9p b\u1ed9 thu ph\u00e1t truy\u1ec1n nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n trong m\u1ed7i t\u00edn hi\u1ec7u. DSP \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ebf ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u00e3 s\u1eeda l\u1ed7i ti\u1ebfn (FEC) trong DSP l\u00e0 g\u00ec?<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>M\u00e3 s\u1eeda l\u1ed7i ti\u1ebfn (FEC) th\u00eam c\u00e1c bit ph\u1ee5 v\u00e0o d\u1eef li\u1ec7u. DSP s\u1eed d\u1ee5ng c\u00e1c bit n\u00e0y \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda l\u1ed7i. \u0110i\u1ec1u n\u00e0y gi\u00fap d\u1eef li\u1ec7u lu\u00f4n ch\u00ednh x\u00e1c v\u00e0 an to\u00e0n trong su\u1ed1t qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec1u g\u00ec khi\u1ebfn DSP tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00f4ng su\u1ea5t v\u00e0 k\u00edch th\u01b0\u1edbc?<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>V\u00ec sao \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ti\u00eau th\u1ee5 \u00edt n\u0103ng l\u01b0\u1ee3ng h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c module nh\u1ecf g\u1ecdn<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">DSP gi\u00fap c\u00e1c b\u1ed9 thu ph\u00e1t quang tr\u1edf n\u00ean nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27bd Xem Th\u00eam<\/strong><\/h2>\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 ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 trong c\u00e1c b\u1ed9 thu ph\u00e1t<\/a><\/p>\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 gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (Wavelength Division Multiplexing) v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng m\u1ea1ng c\u1ee7a n\u00f3<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/optical-transceiver-performance-tests\/\">Gi\u1edbi thi\u1ec7u M\u1ea1ng LINK-PP v\u00e0 c\u00e1c th\u00e0nh vi\u00ean c\u1ed9ng \u0111\u1ed3ng c\u1ee7a n\u00f3<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t B\u1ed9 X\u1eed L\u00fd T\u00edn Hi\u1ec7u S\u1ed1 (DSP) trong b\u1ed9 thu ph\u00e1t quang cho ph\u00e9p \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao, \u0111i\u1ec1u ch\u1ebf n\u00e2ng cao v\u00e0 hi\u1ec7u ch\u1ec9nh t\u00edn hi\u1ec7u theo th\u1eddi gian th\u1ef1c nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u00e1c li\u00ean k\u1ebft t\u1ed1c \u0111\u1ed9 cao \u0111\u00e1ng tin c\u1eady.<\/p>","protected":false},"author":1,"featured_media":4288,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-4291","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\/4291","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=4291"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4291\/revisions"}],"predecessor-version":[{"id":11385,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4291\/revisions\/11385"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4288"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}