{"id":5772,"date":"2025-07-22T00:00:00","date_gmt":"2025-07-22T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/dac-vs-aoc-differences-explained-for-modern-networks\/"},"modified":"2026-06-22T08:50:50","modified_gmt":"2026-06-22T08:50:50","slug":"dac-vs-aoc-differences-explained-for-modern-networks","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/dac-vs-aoc-differences-explained-for-modern-networks","title":{"rendered":"So s\u00e1nh DAC v\u00e0 AOC: Gi\u1ea3i th\u00edch chi ti\u1ebft cho c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\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\/6c4ec62418614f1185cdbb2d9710d360.webp\" alt=\"DAC vs AOC Differences Explained for Modern Networks\" class=\"wp-image-5769\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6c4ec62418614f1185cdbb2d9710d360.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6c4ec62418614f1185cdbb2d9710d360-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6c4ec62418614f1185cdbb2d9710d360-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6c4ec62418614f1185cdbb2d9710d360-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6c4ec62418614f1185cdbb2d9710d360-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: rgb(64, 64, 64);\">Trong n\u1ed7 l\u1ef1c kh\u00f4ng ng\u1eebng nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u0103ng th\u00f4ng cao h\u01a1n v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao (HPC) v\u00e0 m\u1ea1ng doanh nghi\u1ec7p, l\u1edbp v\u1eadt l\u00fd k\u1ebft n\u1ed1i c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch, m\u00e1y ch\u1ee7 v\u00e0 thi\u1ebft b\u1ecb l\u01b0u tr\u1eef \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t. Hai gi\u1ea3i ph\u00e1p th\u1ed1ng tr\u1ecb cho c\u00e1c k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch ng\u1eafn l\u00e0 <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/direct-attach-cables-dac-in-networking\/\"><span style=\"color: var(--qc-color8);\"><strong>DAC (C\u00e1p \u0111\u1ed3ng g\u1eafn tr\u1ef1c ti\u1ebfp)<\/strong><\/span><\/a><span style=\"color: rgb(64, 64, 64);\"> and <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-active-optical-cable-and-how-does-it-work-explained\/\"><span style=\"color: var(--qc-color8);\"><strong>AOC (C\u00e1p quang ch\u1ee7 \u0111\u1ed9ng)<\/strong><\/span><\/a><span style=\"color: rgb(64, 64, 64);\">. C\u00e2u h\u1ecfi d\u01b0\u1eddng nh\u01b0 \u0111\u01a1n gi\u1ea3n \u201c<strong>DAC so v\u1edbi AOC?<\/strong>\u201d l\u1ea1i mang \u00fd ngh\u0129a quan tr\u1ecdng \u0111\u1ed1i v\u1edbi thi\u1ebft k\u1ebf c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi ph\u00ed, ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng, hi\u1ec7u n\u0103ng v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111i s\u00e2u v\u00e0o c\u1ea3 hai c\u00f4ng ngh\u1ec7, gi\u00fap b\u1ea1n \u0111\u01b0a ra l\u1ef1a ch\u1ecdn c\u00e1p t\u1ed1i \u01b0u.<\/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><strong>C\u00e1p DAC c\u00f3 l\u00f5i \u0111\u1ed3ng b\u00ean trong.<\/strong> Ch\u00fang ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn v\u00e0 nhanh. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ea1t kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a kho\u1ea3ng 10 m\u00e9t. C\u00e1p DAC gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng h\u01a1n.<\/p><\/li><li><p><strong>C\u00e1p AOC c\u00f3 l\u00f5i s\u1ee3i quang b\u00ean trong.<\/strong> Ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ea1t kho\u1ea3ng c\u00e1ch xa h\u01a1n nhi\u1ec1u, l\u00ean t\u1edbi 100 m\u00e9t ho\u1eb7c h\u01a1n. C\u00e1p AOC kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eed.<\/p><\/li><li><p>S\u1eed d\u1ee5ng c\u00e1p DAC cho c\u00e1c k\u1ebft n\u1ed1i \u0111\u01a1n gi\u1ea3n v\u00e0 r\u1ebb ti\u1ec1n b\u00ean trong gi\u00e1 \u0111\u1ee1. Ch\u00fang ph\u00f9 h\u1ee3p trong m\u00f4i tr\u01b0\u1eddng y\u00ean t\u0129nh, n\u01a1i b\u1ea1n kh\u00f4ng c\u1ea7n \u0111\u1ed9 linh ho\u1ea1t cao.<\/p><\/li><li><p>S\u1eed d\u1ee5ng c\u00e1p AOC cho c\u00e1c k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch xa ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec5u. Ch\u00fang th\u00edch h\u1ee3p khi b\u1ea1n c\u1ea7n c\u00e1p nh\u1eb9 v\u00e0 d\u1ec5 u\u1ed1n \u0111\u1ec3 duy tr\u00ec t\u00edn hi\u1ec7u m\u1ea1nh.<\/p><\/li><li><p>Vi\u1ec7c hi\u1ec3u r\u00f5 kho\u1ea3ng c\u00e1ch, ng\u00e2n s\u00e1ch v\u00e0 m\u00f4i tr\u01b0\u1eddng m\u1ea1ng c\u1ee7a b\u1ea1n s\u1ebd gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u00fang lo\u1ea1i c\u00e1p. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n lu\u00f4n nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 DAC (C\u00e1p \u0111\u1ed3ng g\u1eafn tr\u1ef1c ti\u1ebfp) l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b72a58cda524046bc88aa797e21ae1e.webp\" alt=\"Direct Attach Copper Cable (DAC)\" class=\"wp-image-5770\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b72a58cda524046bc88aa797e21ae1e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b72a58cda524046bc88aa797e21ae1e-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b72a58cda524046bc88aa797e21ae1e-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b72a58cda524046bc88aa797e21ae1e-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4b72a58cda524046bc88aa797e21ae1e-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>SFF-8472<\/strong> l\u00e0 m\u1ed9t c\u1ee5m t\u00edch h\u1ee3p g\u1ed3m c\u00e1p \u0111\u1ed3ng c\u1ed1 \u0111\u1ecbnh v\u1edbi \u0111\u1ea7u n\u1ed1i c\u00f3 th\u1ec3 c\u1eafm th\u00e1o \u0111\u01b0\u1ee3c (nh\u01b0 SFP+, QSFP+, QSFP28, QSFP-DD, OSFP) \u1edf hai \u0111\u1ea7u. \u0110\u1eb7c bi\u1ec7t quan tr\u1ecdng l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n c\u1ee7a b\u1ed9 thu ph\u00e1t \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u00e0o \u0111\u1ea7u n\u1ed1i \u1edf m\u1ed7i \u0111\u1ea7u c\u1ee7a c\u1ee5m c\u00e1p. Kh\u00f4ng c\u00f3 <strong>kh\u00f4ng<\/strong> m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang \u0111\u1ed9c l\u1eadp n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/strong> D\u1ef1a tr\u00ean d\u00e2y d\u1eabn \u0111\u1ed3ng (th\u01b0\u1eddng l\u00e0 c\u00e1p xo\u1eafn \u0111\u00f4i).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Truy\u1ec1n t\u00edn hi\u1ec7u:<\/strong> T\u00edn hi\u1ec7u \u0111i\u1ec7n truy\u1ec1n tr\u1ef1c ti\u1ebfp qua c\u00e1c d\u00e2y \u0111\u1ed3ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh:<br><\/strong> M\u1ea1ch \u0111i\u1ec7n t\u00edch h\u1ee3p b\u00ean trong \u0111\u1ea7u n\u1ed1i x\u1eed l\u00fd \u0111i\u1ec1u ch\u1ec9nh t\u00edn hi\u1ec7u v\u00e0 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u.<\/p><\/li><li><p style=\"margin: 0px 0px 4px;\"><strong>DAC th\u1ee5 \u0111\u1ed9ng so v\u1edbi DAC ch\u1ee7 \u0111\u1ed9ng:<\/strong><\/p><ul><li><p style=\"margin: 0px;\"><em>DAC th\u1ee5 \u0111\u1ed9ng:<\/em> Ch\u1ec9 d\u1ef1a ho\u00e0n to\u00e0n v\u00e0o c\u1ed5ng thi\u1ebft b\u1ecb ch\u1ee7 \u0111\u1ec3 khu\u1ebfch \u0111\u1ea1i t\u00edn hi\u1ec7u. Kh\u00f4ng khu\u1ebfch \u0111\u1ea1i hay \u0111\u1ed3ng b\u1ed9 l\u1ea1i t\u00edn hi\u1ec7u. Gi\u1edbi h\u1ea1n nghi\u00eam ng\u1eb7t \u1edf kho\u1ea3ng c\u00e1ch r\u1ea5t ng\u1eafn (th\u01b0\u1eddng \u22643 m \u0111\u1ed1i v\u1edbi 10G\/25G, \u22642 m \u0111\u1ed1i v\u1edbi 40G\/100G).<\/p><\/li><li><p style=\"margin: 0px;\"><em>DAC ch\u1ee7 \u0111\u1ed9ng:<\/em> T\u00edch h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n t\u1eed ch\u1ee7 \u0111\u1ed9ng (nh\u01b0 b\u1ed9 khu\u1ebfch \u0111\u1ea1i ho\u1eb7c b\u1ed9 \u0111\u1ed3ng b\u1ed9 l\u1ea1i) b\u00ean trong \u0111\u1ea7u n\u1ed1i c\u00e1p. \u0110i\u1ec1u n\u00e0y t\u0103ng c\u01b0\u1eddng t\u00edn hi\u1ec7u, cho ph\u00e9p \u0111\u1ea1t kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n so v\u1edbi DAC th\u1ee5 \u0111\u1ed9ng (v\u00ed d\u1ee5: l\u00ean t\u1edbi 5 m, 7 m ho\u1eb7c th\u1eadm ch\u00ed 10 m t\u00f9y theo t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng) v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 nguy\u00ean v\u1eb9n t\u00edn hi\u1ec7u.<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 AOC (C\u00e1p quang ch\u1ee7 \u0111\u1ed9ng) l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d9ffef26372243f48a252131b4fbe357.webp\" alt=\"active optical cable (AOC)\" class=\"wp-image-5771\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d9ffef26372243f48a252131b4fbe357.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d9ffef26372243f48a252131b4fbe357-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d9ffef26372243f48a252131b4fbe357-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d9ffef26372243f48a252131b4fbe357-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/d9ffef26372243f48a252131b4fbe357-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>AOC<\/strong> l\u00e0 m\u1ed9t c\u1ee5m t\u00edch h\u1ee3p g\u1ed3m c\u00e1p quang c\u1ed1 \u0111\u1ecbnh v\u1edbi \u0111\u1ea7u n\u1ed1i c\u00f3 th\u1ec3 c\u1eafm th\u00e1o \u0111\u01b0\u1ee3c \u1edf hai \u0111\u1ea7u. Kh\u00e1c v\u1edbi DAC, AOC t\u00edch h\u1ee3p <strong>c\u00e1c th\u00e0nh ph\u1ea7n quang ch\u1ee7 \u0111\u1ed9ng<\/strong> \u2013 v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 c\u00e1c <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> b\u1ed9 thu ph\u00e1t thu nh\u1ecf \u2013 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p b\u00ean trong \u0111\u1ea7u n\u1ed1i \u1edf m\u1ed7i \u0111\u1ea7u. C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n\u2013quang (E\/O) v\u00e0 quang\u2013\u0111i\u1ec7n (O\/E).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>C\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i:<\/strong> D\u1ef1a tr\u00ean s\u1ee3i quang (th\u01b0\u1eddng l\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\">c\u00e1p quang \u0111a mode<\/a> \u2013 s\u1ee3i quang \u0111a mode, MMF).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Truy\u1ec1n t\u00edn hi\u1ec7u:<\/strong> T\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb thi\u1ebft b\u1ecb ch\u1ee7 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh xung \u00e1nh s\u00e1ng b\u1edfi b\u1ed9 ph\u00e1t (chuy\u1ec3n \u0111\u1ed5i E\/O). \u00c1nh s\u00e1ng truy\u1ec1n d\u1ecdc theo c\u00e1p s\u1ee3i quang. B\u1ed9 thu \u1edf \u0111\u1ea7u kia chuy\u1ec3n \u0111\u1ed5i l\u1ea1i c\u00e1c xung \u00e1nh s\u00e1ng th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n (chuy\u1ec3n \u0111\u1ed5i O\/E) \u0111\u1ec3 g\u1eedi t\u1edbi thi\u1ebft b\u1ecb \u0111\u00edch.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh:<br><\/strong> \u0110\u1ed9ng c\u01a1 quang t\u00edch h\u1ee3p (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/overview-of-vcsel\/\">Laser VCSEL<\/a> cho b\u1ed9 ph\u00e1t Tx, \u0111i\u1ed1t quang cho b\u1ed9 thu Rx) v\u00e0 m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n t\u1eed b\u00ean trong \u0111\u1ea7u n\u1ed1i.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 So s\u00e1nh DAC v\u00e0 AOC: Nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 l\u1ef1a ch\u1ecdn:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>DAC (\u0110\u1ed3ng n\u1ed1i tr\u1ef1c ti\u1ebfp)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>AOC (C\u00e1p quang ch\u1ee7 \u0111\u1ed9ng)<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>M\u00f4i tr\u01b0\u1eddng l\u00f5i<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed3ng (xo\u1eafn \u0111\u00f4i)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i quang (\u0111a mode)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Lo\u1ea1i T\u00edn Hi\u1ec7u<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110i\u1ec7n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Quang (\u00e1nh s\u00e1ng)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i quang<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u00f4ng \u2013 C\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong \u0111\u1ea7u n\u1ed1i<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00f3 \u2013 C\u00e1c th\u00e0nh ph\u1ea7n quang thu nh\u1ecf \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong \u0111\u1ea7u n\u1ed1i<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ph\u1ea1m vi t\u1ed1i \u0111a<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ng\u1eafn (Th\u1ee5 \u0111\u1ed9ng: 1\u20133 m; Ch\u1ee7 \u0111\u1ed9ng: 5\u201310 m)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u00e0i h\u01a1n (Th\u01b0\u1eddng t\u1eeb 15 m \u0111\u1ebfn h\u01a1n 100 m)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Tr\u1ecdng l\u01b0\u1ee3ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>N\u1eb7ng h\u01a1n (\u0110\u1ed3ng \u0111\u1eb7c)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nh\u1eb9 h\u01a1n (S\u1ee3i m\u1ecfng)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>B\u00e1n k\u00ednh u\u1ed1n<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u1edbn h\u01a1n (C\u00e1p c\u1ee9ng h\u01a1n)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nh\u1ecf h\u01a1n (Linh ho\u1ea1t h\u01a1n)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>EMI\/RFI<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u1ec5 b\u1ecb nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Mi\u1ec5n nhi\u1ec5m v\u1edbi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ti\u00eau Th\u1ee5 N\u0103ng L\u01b0\u1ee3ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u1ea5p h\u01a1n (\u0111\u1eb7c bi\u1ec7t l\u00e0 DAC th\u1ee5 \u0111\u1ed9ng)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n (y\u00eau c\u1ea7u c\u1ea5p \u0111i\u1ec7n cho laser\/m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cost<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Th\u01b0\u1eddng th\u1ea5p h\u01a1n<\/strong> (\u0111\u1eb7c bi\u1ec7t l\u00e0 DAC th\u1ee5 \u0111\u1ed9ng)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Th\u01b0\u1eddng cao h\u01a1n<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>T\u1ea1o nhi\u1ec7t<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lower<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ed9 b\u1ec1n<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1eafc ch\u1eafn, nh\u01b0ng d\u1ec5 b\u1ecb g\u00e3y do u\u1ed1n qu\u00e1 m\u1ee9c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i quang ch\u1eafc ch\u1eafn, nh\u01b0ng \u0111\u1ea7u n\u1ed1i nh\u1ea1y c\u1ea3m v\u1edbi b\u1ee5i<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Khi n\u00e0o n\u00ean ch\u1ecdn DAC (\u01afu \u0111i\u1ec3m &amp; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00fd t\u01b0\u1edfng)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 nh\u1ea1y v\u1ec1 chi ph\u00ed:<\/strong> DAC, \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u1ea1ng th\u1ee5 \u0111\u1ed9ng, mang l\u1ea1i <strong>chi ph\u00ed th\u1ea5p nh\u1ea5t tr\u00ean m\u1ed7i c\u1ed5ng<\/strong> cho c\u00e1c k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t trong c\u00e1c tri\u1ec3n khai quy m\u00f4 l\u1edbn v\u00e0 m\u1eadt \u0111\u1ed9 cao nh\u01b0 chuy\u1ec3n m\u1ea1ch t\u1ea1i \u0111\u1ec9nh gi\u00e1 \u0111\u1ee1 (ToR).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch c\u1ef1c ng\u1eafn:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ebft n\u1ed1i trong c\u00f9ng m\u1ed9t gi\u00e1 \u0111\u1ee1 ho\u1eb7c gi\u1eefa c\u00e1c gi\u00e1 \u0111\u1ee1 li\u1ec1n k\u1ec1 (\u22643 m \u1edf nhi\u1ec1u t\u1ed1c \u0111\u1ed9), DAC th\u1ee5 \u0111\u1ed9ng th\u01b0\u1eddng l\u00e0 gi\u1ea3i ph\u00e1p kinh t\u1ebf v\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n:<\/strong> DAC th\u1ee5 \u0111\u1ed9ng g\u1ea7n nh\u01b0 kh\u00f4ng ti\u00eau th\u1ee5 th\u00eam \u0111i\u1ec7n n\u0103ng n\u00e0o ngo\u00e0i \u0111i\u1ec7n n\u0103ng c\u1ee7a c\u1ed5ng thi\u1ebft b\u1ecb ch\u1ee7. DAC ch\u1ee7 \u0111\u1ed9ng ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng h\u01a1n so v\u1edbi AOC t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m t\u1ea3i nhi\u1ec7t v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh (OPEX).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1c thi\u1ebft b\u1ecb gh\u00e9p\/t\u00e1ch k\u00eanh (Mux\/Demux) th\u1ee5 \u0111\u1ed9ng kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n v\u00e0 kh\u00f4ng c\u00f3 th\u00e0nh ph\u1ea7n ch\u1ee7 \u0111\u1ed9ng, do \u0111\u00f3 r\u1ea5t \u0111\u00e1ng tin c\u1eady v\u00e0 d\u1ec5 tri\u1ec3n khai. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 thu ph\u00e1t d\u1ea1ng c\u1eafm r\u1eddi (pluggable)<\/strong> S\u1ed1 l\u01b0\u1ee3ng th\u00e0nh ph\u1ea7n \u00edt h\u01a1n (kh\u00f4ng c\u00f3 laser\/b\u1ed9 d\u00f2) c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady cao cho c\u00e1c k\u1ebft n\u1ed1i trong gi\u00e1 \u0111\u1ee1. \u0110\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c c\u1eafm v\u00e0 s\u1eed d\u1ee5ng ngay.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u00f4i tr\u01b0\u1eddng m\u1eadt \u0111\u1ed9 cao:<\/strong> DAC m\u1ecfng h\u01a1n (so v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i c\u00e1p s\u1ee3i quang c\u0169) \u0111\u00f4i khi h\u1ed7 tr\u1ee3 l\u01b0u th\u00f4ng kh\u00ed v\u00e0 qu\u1ea3n l\u00fd c\u00e1p t\u1ed1t h\u01a1n trong c\u00e1c gi\u00e1 \u0111\u1ee1 d\u00e0y \u0111\u1eb7c, m\u1eb7c d\u00f9 AOC th\u01b0\u1eddng m\u1ecfng h\u01a1n v\u00e0 linh ho\u1ea1t h\u01a1n.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Khi n\u00e0o n\u00ean ch\u1ecdn AOC (\u01afu \u0111i\u1ec3m &amp; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00fd t\u01b0\u1edfng)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch trung b\u00ecnh:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ebft n\u1ed1i t\u1eeb 5 m\u00e9t \u0111\u1ebfn 100 m\u00e9t (ho\u1eb7c xa h\u01a1n v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 c\u1ee5 th\u1ec3), AOC l\u00e0 l\u1ef1a ch\u1ecdn v\u01b0\u1ee3t tr\u1ed9i. DAC \u0111\u01a1n gi\u1ea3n kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c kho\u1ea3ng c\u00e1ch n\u00e0y m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-electromagnetic-interference\/\"><strong>Nhi\u1ec5m \u0111i\u1ec7n t\u1eeb (EMI)<\/strong><\/a><strong> Mi\u1ec5n nhi\u1ec5m:<\/strong> Quan tr\u1ecdng trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng, c\u00e1p \u0111i\u1ec7n c\u00f4ng su\u1ea5t cao ho\u1eb7c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m, n\u01a1i nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n t\u00edn hi\u1ec7u \u0111i\u1ec7n. AOC ho\u00e0n to\u00e0n mi\u1ec5n nhi\u1ec5m v\u1edbi EMI.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 c\u1ed3ng k\u1ec1nh c\u1ee7a c\u00e1p:<\/strong> S\u1ee3i quang nh\u1eb9 v\u00e0 m\u1ecfng h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1p \u0111\u1ed3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng khi truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao. \u0110i\u1ec1u n\u00e0y gi\u00fap qu\u1ea3n l\u00fd c\u00e1p d\u1ec5 d\u00e0ng h\u01a1n, gi\u1ea3m l\u1ef1c c\u0103ng l\u00ean c\u1ed5ng k\u1ebft n\u1ed1i v\u00e0 c\u1ea3i thi\u1ec7n lu\u1ed3ng kh\u00ed l\u00e0m m\u00e1t. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/buy-aoc.htm\"><strong>C\u00e1p AOC LINK-PP<\/strong><\/a> n\u1ed5i ti\u1ebfng nh\u1edd t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd v\u01b0\u1ee3t tr\u1ed9i.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1ch ly \u0111i\u1ec7n:<\/strong> Cung c\u1ea5p c\u00e1ch ly galvanic gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb, b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb kh\u1ecfi c\u00e1c v\u00f2ng n\u1ed1i \u0111\u1ea5t ti\u1ec1m \u1ea9n ho\u1eb7c ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u1ea3o m\u1eadt:<\/strong> Vi\u1ec7c tr\u00edch xu\u1ea5t (tapping) t\u00edn hi\u1ec7u quang kh\u00f3 h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c tr\u00edch xu\u1ea5t t\u00edn hi\u1ec7u \u0111i\u1ec7n tr\u00ean c\u00e1p \u0111\u1ed3ng, mang l\u1ea1i l\u1ee3i th\u1ebf nh\u1ecf v\u1ec1 b\u1ea3o m\u1eadt \u1edf t\u1ea7ng v\u1eadt l\u00fd.<\/p><\/li><li><p style=\"margin: 0px;\"><strong><p>Simplified Cable Management:<\/p><\/strong> M\u1eb7c d\u00f9 c\u00f4ng ngh\u1ec7 DAC \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u0111\u1ea9y t\u1edbi gi\u1edbi h\u1ea1n, AOC v\u1ed1n d\u0129 h\u1ed7 tr\u1ee3 kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n nhi\u1ec1u v\u00e0 th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn kh\u1ea3 thi duy nh\u1ea5t cho c\u00e1c t\u1ed1c \u0111\u1ed9 cao (nh\u01b0 200G, 400G, 800G) tr\u00ean kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t v\u00e0i m\u00e9t.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 C\u00e1ch l\u1ef1a ch\u1ecdn 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 gi\u1eefa DAC v\u00e0 AOC kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng r\u00f5 r\u00e0ng theo ki\u1ec3u \u201c\u0111en \u2013 tr\u1eafng\u201d. H\u00e3y \u0111\u00e1nh gi\u00e1 c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>Kho\u1ea3ng c\u00e1ch y\u00eau c\u1ea7u:<\/strong> \u0110\u00e2y th\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh h\u00e0ng \u0111\u1ea7u. H\u00e3y \u0111o \u0111\u1ea1c ch\u00ednh x\u00e1c!<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ng\u00e2n s\u00e1ch:<\/strong> C\u00e2n nh\u1eafc c\u1ea3 chi ph\u00ed ban \u0111\u1ea7u c\u1ee7a c\u00e1p l\u1eabn chi ph\u00ed v\u1eadn h\u00e0nh d\u00e0i h\u1ea1n li\u00ean quan \u0111\u1ebfn \u0111i\u1ec7n n\u0103ng v\u00e0 l\u00e0m m\u00e1t (TCO).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u:<\/strong> C\u00e1c t\u1ed1c \u0111\u1ed9 cao h\u01a1n (400G, 800G) \u0111ang \u0111\u1ea9y gi\u1edbi h\u1ea1n c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111\u1ed3ng; AOC tr\u1edf n\u00ean b\u1eaft bu\u1ed9c s\u1edbm h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n. Kh\u00e1m ph\u00e1 <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26045-400g-qsfp-dd-osfp-qsfp112.htm\"><strong>Module quang 400G<\/strong><\/a> \u0111\u1ec3 t\u00ecm c\u00e1c gi\u1ea3i ph\u00e1p ti\u00ean ti\u1ebfn nh\u1ea5t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>H\u1ea1n ch\u1ebf v\u1ec1 \u0111i\u1ec7n n\u0103ng v\u00e0 l\u00e0m m\u00e1t:<\/strong> C\u00e1c trung t\u00e2m d\u1eef li\u1ec7u c\u00f3 ng\u00e2n s\u00e1ch \u0111i\u1ec7n n\u0103ng eo h\u1eb9p ho\u1eb7c g\u1eb7p th\u00e1ch th\u1ee9c v\u1ec1 l\u00e0m m\u00e1t c\u00f3 th\u1ec3 \u01b0u ti\u00ean d\u00f9ng DAC n\u1ebfu \u0111i\u1ec1u ki\u1ec7n cho ph\u00e9p.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u00f4i tr\u01b0\u1eddng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI):<\/strong> N\u1ebfu EMI l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111\u00e3 bi\u1ebft, AOC l\u00e0 l\u1ef1a ch\u1ecdn an to\u00e0n h\u01a1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Qu\u1ea3n l\u00fd c\u00e1p v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng:<\/strong> C\u00e2n nh\u1eafc m\u1eadt \u0111\u1ed9 t\u1ee7 rack, lu\u1ed3ng kh\u00ed l\u00e0m m\u00e1t v\u00e0 l\u1ef1c c\u0103ng l\u00ean c\u1ed5ng k\u1ebft n\u1ed1i. AOC mang l\u1ea1i l\u1ee3i th\u1ebf \u1edf c\u00e1c kh\u00eda c\u1ea1nh n\u00e0y.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u01b0\u01a1ng th\u00edch nh\u00e0 cung c\u1ea5p v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng:<\/strong> H\u00e3y ch\u1ecdn c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn nh\u01b0 <strong>LINK-PP<\/strong> n\u1ed5i ti\u1ebfng v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m c\u00e1p \u0111\u1ea1t chu\u1ea9n v\u00e0 \u0111\u00e1ng tin c\u1eady. \u0110\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi ph\u1ea7n c\u1ee9ng c\u1ee5 th\u1ec3 c\u1ee7a switch v\u00e0 server b\u1ea1n \u0111ang s\u1eed d\u1ee5ng. C\u00e2n nh\u1eafc <strong>c\u00e1p AOC t\u1ed1c \u0111\u1ed9 cao<\/strong> \u2014 \u0111\u1ed9 tin c\u1eady l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u27a4 K\u1ebft lu\u1eadn: C\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p cho t\u1eebng nhi\u1ec7m v\u1ee5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cu\u1ed9c tranh lu\u1eadn\u201c<strong>\u201cDAC so v\u1edbi AOC\u201d<\/strong>\u201dkh\u00f4ng nh\u1eb1m t\u00ecm ra \u201cb\u00ean th\u1eafng\u201d, m\u00e0 \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 t\u1ed1i \u01b0u nh\u1ea5t cho y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. DAC th\u1ed1ng tr\u1ecb tuy\u1ec7t \u0111\u1ed1i trong c\u00e1c k\u1ebft n\u1ed1i si\u00eau ng\u1eafn, chi ph\u00ed th\u1ea5p b\u00ean trong t\u1ee7 rack, mang l\u1ea1i gi\u00e1 tr\u1ecb v\u00e0 s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u01b0\u1ee3t tr\u1ed9i. C\u00f2n AOC m\u1edf kh\u00f3a c\u00e1c kh\u1ea3 n\u0103ng thi\u1ebft y\u1ebfu nh\u01b0 kho\u1ea3ng c\u00e1ch xa h\u01a1n, mi\u1ec5n nhi\u1ec5m v\u1edbi EMI v\u00e0 gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng\/\u0111\u1ed9 c\u1ed3ng k\u1ec1nh \u2014 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi v\u01b0\u1ee3t gi\u1edbi h\u1ea1n th\u1ef1c ti\u1ec5n c\u1ee7a \u0111\u1ed3ng, nh\u1ea5t l\u00e0 khi t\u1ed1c \u0111\u1ed9 t\u0103ng l\u00ean m\u1ee9c 400G v\u00e0 800G.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eb5n s\u00e0ng t\u1ed1i \u01b0u h\u00f3a c\u00e1c k\u1ebft n\u1ed1i n\u1ed9i b\u1ed9 trung t\u00e2m d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n ch\u01b0a?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p ph\u00f9 h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1ng c\u00f2n \u0111\u1ed1i v\u1edbi hi\u1ec7u n\u0103ng, hi\u1ec7u qu\u1ea3 v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. D\u00f9 b\u1ea1n c\u1ea7n hi\u1ec7u qu\u1ea3 chi ph\u00ed t\u1eeb c\u00e1c c\u00e1p DAC ch\u1ea5t l\u01b0\u1ee3ng cao hay kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u00ednh linh ho\u1ea1t t\u1eeb c\u00e1c c\u00e1p AOC \u0111\u00e1ng tin c\u1eady, <strong>LINK-PP<\/strong> \u0111\u1ec1u cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c gi\u1ea3i ph\u00e1p tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n, bao g\u1ed3m c\u00e1c m\u1eabu c\u1ee5 th\u1ec3 nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473486.htm\"><strong>LINK-PP LQ-AOC11100-3M<\/strong><\/a> d\u00e0nh cho c\u00e1c k\u1ebft n\u1ed1i 100G b\u1ec1n b\u1ec9 ho\u1eb7c <strong>LINK-PP LQ-DAC1125-3M<\/strong> d\u00e0nh cho c\u00e1c k\u1ebft n\u1ed1i server 25G m\u1eadt \u0111\u1ed9 cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u1ea7n t\u01b0 v\u1ea5n ri\u00eang bi\u1ec7t? <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/support.htm\"><strong>Li\u00ean h\u1ec7 ngay chuy\u00ean gia LINK-PP \u2799<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n c\u00e1 nh\u00e2n h\u00f3a v\u00e0 kh\u00e1m ph\u00e1 s\u1ea3n ph\u1ea9m c\u1ee7a ch\u00fang t\u00f4i<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa c\u00e1p DAC v\u00e0 AOC l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n d\u00f9ng c\u00e1p DAC cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn v\u00e0 nhanh. B\u1ea1n ch\u1ecdn c\u00e1p AOC khi c\u1ea7n k\u1ebft n\u1ed1i xa h\u01a1n v\u00e0 mu\u1ed1n tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 t\u00edn hi\u1ec7u do nhi\u1ec5u \u0111i\u1ec7n t\u1eed g\u00e2y ra. <strong><em>DAC s\u1eed d\u1ee5ng \u0111\u1ed3ng<\/em>.<\/strong> <strong><em>AOC s\u1eed d\u1ee5ng s\u1ee3i quang.<\/em><\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n n\u00ean ch\u1ecdn lo\u1ea1i c\u00e1p n\u00e0o cho m\u00f4i tr\u01b0\u1eddng nhi\u1ec5u?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n n\u00ean ch\u1ecdn c\u00e1p AOC. Ch\u00fang kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI). C\u00e1p DAC c\u00f3 th\u1ec3 b\u1eaft nhi\u1ec5u trong c\u00e1c khu v\u1ef1c \u0111\u00f4ng \u0111\u00fac ho\u1eb7c b\u1eadn r\u1ed9n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1p DAC lu\u00f4n r\u1ebb h\u01a1n c\u00e1p AOC ch\u1ee9?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00fang v\u1eady, c\u00e1p DAC th\u01b0\u1eddng r\u1ebb h\u01a1n c\u00e1p AOC. B\u1ea1n ti\u1ebft ki\u1ec7m chi ph\u00ed khi d\u00f9ng DAC cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn. AOC \u0111\u1eaft h\u01a1n v\u00ec s\u1eed d\u1ee5ng s\u1ee3i quang v\u00e0 t\u00edch h\u1ee3p s\u1eb5n c\u00e1c th\u00e0nh ph\u1ea7n \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng c\u1ea3 c\u00e1p DAC v\u00e0 AOC trong c\u00f9ng m\u1ed9t m\u1ea1ng kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea3 hai lo\u1ea1i c\u00e1p trong c\u00f9ng m\u1ed9t m\u1ea1ng. D\u00f9ng DAC cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn, \u0111\u01a1n gi\u1ea3n; d\u00f9ng AOC cho c\u00e1c \u0111o\u1ea1n k\u00e9o d\u00e0i ho\u1eb7c nh\u1eefng n\u01a1i c\u00f3 nhi\u1ec1u nhi\u1ec5u \u0111i\u1ec7n t\u1eed. C\u00e1ch n\u00e0y gi\u00fap b\u1ea1n \u0111\u1ea1t hi\u1ec7u n\u0103ng t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1p DAC v\u00e0 AOC c\u00f3 h\u1ed7 tr\u1ee3 c\u00f9ng t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 c\u00e1p DAC v\u00e0 AOC \u0111\u1ec1u h\u1ed7 tr\u1ee3 c\u00e1c t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao nh\u01b0 10G, 25G, 40G v\u00e0 100G. \u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 AOC duy tr\u00ec \u0111\u01b0\u1ee3c c\u00e1c t\u1ed1c \u0111\u1ed9 n\u00e0y tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa DAC v\u00e0 AOC: DAC ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn v\u00e0 chi ph\u00ed th\u1ea5p; c\u00f2n AOC v\u01b0\u1ee3t tr\u1ed9i trong c\u00e1c m\u1ea1ng c\u00f3 kho\u1ea3ng c\u00e1ch xa v\u00e0 d\u1ec5 b\u1ecb nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI). H\u00e3y ch\u1ecdn lo\u1ea1i c\u00e1p ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>","protected":false},"author":1,"featured_media":5769,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[19],"class_list":["post-5772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-aoc-dac-cables"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5772","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=5772"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5772\/revisions"}],"predecessor-version":[{"id":11311,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5772\/revisions\/11311"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5769"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5772"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5772"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}