{"id":6054,"date":"2025-05-06T00:00:00","date_gmt":"2025-05-06T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/qsfp-dd-optical-transceivers-faster-connections\/"},"modified":"2026-06-22T09:38:31","modified_gmt":"2026-06-22T09:38:31","slug":"qsfp-dd-optical-transceivers-faster-connections","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/qsfp-dd-optical-transceivers-faster-connections","title":{"rendered":"B\u1ed9 Giao Ti\u1ebfp Quang QSFP-DD \u2013 M\u1edf Kh\u00f3a K\u1ebft N\u1ed1i Nhanh H\u01a1n"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/91a3350c6be34530b92dc3469a0b8a24.jpg\" alt=\"QSFP-DD Optical Transceivers \" class=\"wp-image-6050\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/91a3350c6be34530b92dc3469a0b8a24.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/91a3350c6be34530b92dc3469a0b8a24-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/91a3350c6be34530b92dc3469a0b8a24-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/91a3350c6be34530b92dc3469a0b8a24-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/91a3350c6be34530b92dc3469a0b8a24-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"color: rgb(64, 64, 64); font-size: 16.002px;\">The <\/span><strong>QSFP-DD (B\u1ed9 thu ph\u00e1t nh\u1ecf g\u1ecdn d\u1ea1ng c\u1eafm \u0111\u01b0\u1ee3c b\u1ed1n k\u00eanh, m\u1eadt \u0111\u1ed9 k\u00e9p)<\/strong><span style=\"color: rgb(64, 64, 64); font-size: 16.002px;\"> b\u1ed9 thu ph\u00e1t quang l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn c\u00e1ch m\u1ea1ng trong truy\u1ec1n th\u00f4ng d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u b\u0103ng th\u00f4ng ng\u00e0y c\u00e0ng t\u0103ng c\u1ee7a trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i, \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 m\u1ea1ng 5G. V\u1edbi <\/span><strong>k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t nhi\u1ec7t<\/strong><span style=\"color: rgb(64, 64, 64); font-size: 16.002px;\">, QSFP-DD \u0111\u00e3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho <\/span><strong>t\u1ed1c \u0111\u1ed9 400G v\u00e0 cao h\u01a1n n\u1eefa<\/strong><span style=\"color: rgb(64, 64, 64); font-size: 16.002px;\"> tri\u1ec3n khai.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 nh\u1eefng \u01b0u \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c m\u00f4-\u0111un QSFP-DD v\u00e0 l\u00e0m n\u1ed5i b\u1eadt <strong>B\u1ed9 thu ph\u00e1t quang QSFP-DD LR4 LINK-PP LQD-CW400-LR4C 400G<\/strong> nh\u01b0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh v\u1ec1 hi\u1ec7u su\u1ea5t cao m\u00e0 \u0111\u1ecbnh d\u1ea1ng n\u00e0y mang l\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd17<br> <a target=\"_new\" rel=\"noopener\" class=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\"><strong>Xem trang s\u1ea3n ph\u1ea9m<\/strong><\/a><br\/>\ud83d\udcc4 <a target=\"_new\" rel=\"noopener\" class=\"\" href=\"https:\/\/www.l-p.com\/file\/datasheet\/lqd-cw400-lr4c.pdf\"><strong>T\u1ea3i xu\u1ed1ng B\u1ea3ng d\u1eef li\u1ec7u<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>QSFP-DD l\u00e0 g\u00ec<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QSFP-DD l\u00e0 m\u1ed9t <strong>b\u1ed9 thu ph\u00e1t c\u1eafm \u0111\u01b0\u1ee3c c\u00f3 8 k\u00eanh<\/strong> nh\u00e2n \u0111\u00f4i m\u1eadt \u0111\u1ed9 c\u1ee7a c\u00e1c m\u00f4-\u0111un QSFP truy\u1ec1n th\u1ed1ng \u0111\u1ed3ng th\u1eddi v\u1eabn \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c. N\u00f3 h\u1ed7 tr\u1ee3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>200G, 400G v\u00e0 800G<\/strong> Ethernet<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110i\u1ec1u ch\u1ebf PAM4<\/strong> \u0111\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao h\u01a1n<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Qu\u1ea3n l\u00fd nhi\u1ec7t linh ho\u1ea1t<\/strong> cho c\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau th\u1ee5 c\u00f4ng su\u1ea5t cao<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ch\u00ednh<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Nh\u00f3m li\u00ean minh \u0111\u1eb7c t\u1ea3 QSFP-DD (QSFP-DD MSA)<\/strong> (\u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>IEEE 802.3bs\/cd<br><\/strong> (Ethernet 400G)<\/p><\/li><li><p style=\"margin: 0px;\"><strong>CMIS 4.0<br><\/strong> (D\u1ecbch v\u1ee5 th\u00f4ng tin qu\u1ea3n l\u00fd chung)<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>C\u00e1c l\u1ee3i \u00edch ch\u00ednh c\u1ee7a <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm?ca=1435&amp;cv=7969\"><strong>C\u00e1c b\u1ed9 thu ph\u00e1t quang QSFP-DD<\/strong><\/a><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c \u0111\u1ec3 n\u00e2ng c\u1ea5p m\u1ea1ng linh ho\u1ea1t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng \u0111i\u1ec3m m\u1ea1nh n\u1ed5i b\u1eadt c\u1ee7a QSFP-DD l\u00e0 <strong>v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng SFP+,<\/strong>. C\u1ed5ng QSFP-DD c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c m\u00f4-\u0111un QSFP c\u0169, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>QSFP+<\/p><\/li><li><p>QSFP28<br><\/p><\/li><li><p>QSFP56<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 khai th\u00e1c m\u1ea1ng <strong>t\u00e1i s\u1eed d\u1ee5ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3<\/strong> trong khi t\u1eebng b\u01b0\u1edbc chuy\u1ec3n \u0111\u1ed5i sang c\u00e1c m\u00f4-\u0111un h\u1ed7 tr\u1ee3 400G. Gi\u1ea3i ph\u00e1p n\u00e0y b\u1ea3o v\u1ec7 c\u00e1c kho\u1ea3n \u0111\u1ea7u t\u01b0 tr\u01b0\u1edbc \u0111\u00e2y v\u00e0 mang l\u1ea1i t\u00ednh linh ho\u1ea1t ch\u01b0a t\u1eebng c\u00f3 cho c\u1ea3 nh\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng l\u1eabn ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u26a0\ufe0f L\u01b0u \u00fd: M\u1eb7c d\u00f9 c\u1ed5ng QSFP-DD c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn c\u00e1c m\u00f4-\u0111un QSFP c\u0169 h\u01a1n, nh\u01b0ng c\u00e1c b\u1ed9 thu ph\u00e1t QSFP-DD <strong>kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c c\u1ed5ng QSFP c\u0169 h\u01a1n<\/strong> do c\u00f3 th\u00eam m\u1ed9t h\u00e0ng ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n.<\/p><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" >M\u1eadt \u0111\u1ed9 c\u1ed5ng v\u01b0\u1ee3t tr\u1ed9i nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a kh\u00f4ng gian<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un QSFP-DD duy tr\u00ec c\u00f9ng <strong>, k\u00edch th\u01b0\u1edbc kho\u1ea3ng b\u1eb1ng m\u1ed9t n\u1eeda b\u1ed9 n\u1ed1i SC c\u0169 h\u01a1n<\/strong> k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd <strong>v\u1edbi c\u00e1c m\u00f4-\u0111un QSFP truy\u1ec1n th\u1ed1ng, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p<\/strong>. s\u1ed1 l\u01b0\u1ee3ng k\u00eanh d\u1eef li\u1ec7u g\u1ea5p \u0111\u00f4i <strong>\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn<\/strong> m\u1eadt \u0111\u1ed9 c\u1ed5ng cao h\u01a1n \u0111\u00e1ng k\u1ec3<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>tr\u00ean c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi:<\/p><\/li><li><p>High-performance computing (HPC)<\/p><\/li><li><p>Trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 \u0111\u00e1m m\u00e2y<\/p><\/li><li><p>C\u00e1c c\u1ee5m hu\u1ea5n luy\u1ec7n tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI)\/h\u1ecdc m\u00e1y (ML)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tri\u1ec3n khai m\u1ea1ng 5G v\u00e0 m\u1ea1ng bi\u00ean.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" >Hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Thi\u1ebft k\u1ebf t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u1edf t\u1ed1c \u0111\u1ed9 400G. C\u00e1c m\u00f4-\u0111un QSFP-DD, ch\u1eb3ng h\u1ea1n nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\"><strong>LI\u00caN K\u1ebeT-PP LQD-CW400-LR4C<\/strong><\/a>, h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t l\u00ean t\u1edbi <strong>12W m\u1ed7i m\u00f4-\u0111un<\/strong>, t\u00f9y thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng ch\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m thi\u1ebft k\u1ebf ch\u00ednh h\u1ed7 tr\u1ee3 t\u1ed1i \u01b0u h\u00f3a nhi\u1ec7t bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Thi\u1ebft k\u1ebf v\u1ecf b\u1ecdc d\u1ea1ng ch\u1ed3ng 2\u00d71<\/strong><\/p><\/li><li><p><strong>H\u1ed3 s\u01a1 m\u00f4-\u0111un ph\u1eb3ng tr\u00ean \u0111\u1ec9nh<\/strong><\/p><\/li><li><p><strong>C\u00e1c \u0111\u1ea7u n\u1ed1i c\u00f4ng ngh\u1ec7 h\u00e0n b\u1ec1 m\u1eb7t (SMT)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng tri\u1ec3n khai <strong>lu\u1ed3ng kh\u00ed v\u00e0 t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3<\/strong>, gi\u1ea3m thi\u1ec3u nguy c\u01a1 qu\u00e1 nhi\u1ec7t ngay c\u1ea3 d\u01b0\u1edbi t\u1ea3i n\u1eb7ng.<\/p>\n\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai nh\u1edd h\u1ed7 tr\u1ee3 ASIC th\u1ebf h\u1ec7 m\u1edbi<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean m\u00f4-\u0111un QSFP-DD c\u00f3 th\u1ec3 khai th\u00e1c \u0111\u1ea7y \u0111\u1ee7 ti\u1ec1m n\u0103ng b\u0103ng th\u00f4ng c\u1ee7a <strong>c\u00e1c ASIC th\u1ebf h\u1ec7 m\u1edbi<\/strong>. Giao di\u1ec7n \u0111i\u1ec7n 8 k\u00eanh cho ph\u00e9p <strong>c\u1ea5u h\u00ecnh t\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng<\/strong>, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>8\u00d750Gbps = 400Gbps (ti\u00eau chu\u1ea9n hi\u1ec7n nay)<\/p><\/li><li><p>8\u00d7100Gbps = 800Gbps (chu\u1ea9n b\u1ecb s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 QSFP-DD kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c tri\u1ec3n khai hi\u1ec7n t\u1ea1i m\u00e0 c\u00f2n <strong>s\u1eb5n s\u00e0ng cho c\u00e1c giao di\u1ec7n th\u1ebf h\u1ec7 m\u1edbi<\/strong>, gi\u00fap gi\u1ea3m thi\u1ec3u nhu c\u1ea7u n\u00e2ng c\u1ea5p ph\u1ea7n c\u1ee9ng th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>B\u1ed9 thu ph\u00e1t quang QSFP-DD LR4 LINK-PP LQD-CW400-LR4C 400G \u2013 Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/p1535297-0x0-lqd-cw400-lr4c-400gbase-lr4-qsfp-dd-1310nm-10km-dom-duplex-lc-smf-optical-transceiver-modules.webp\" alt=\"QSFP-DD LR4 Transceiver\" class=\"wp-image-6051\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/p1535297-0x0-lqd-cw400-lr4c-400gbase-lr4-qsfp-dd-1310nm-10km-dom-duplex-lc-smf-optical-transceiver-modules.webp 800w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/p1535297-0x0-lqd-cw400-lr4c-400gbase-lr4-qsfp-dd-1310nm-10km-dom-duplex-lc-smf-optical-transceiver-modules-300x300.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/p1535297-0x0-lqd-cw400-lr4c-400gbase-lr4-qsfp-dd-1310nm-10km-dom-duplex-lc-smf-optical-transceiver-modules-150x150.webp 150w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/p1535297-0x0-lqd-cw400-lr4c-400gbase-lr4-qsfp-dd-1310nm-10km-dom-duplex-lc-smf-optical-transceiver-modules-768x768.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/p1535297-0x0-lqd-cw400-lr4c-400gbase-lr4-qsfp-dd-1310nm-10km-dom-duplex-lc-smf-optical-transceiver-modules-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ed5ng quan s\u1ea3n ph\u1ea9m<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>LQD-CW400-LR4C<\/strong> l\u00e0 m\u1ed9t b\u1ed9 thu ph\u00e1t <strong>400G LR4<\/strong> hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho <strong>s\u1ee3i quang \u0111\u01a1n mode (SMF) 10 km<\/strong> \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>giao di\u1ec7n \u0111i\u1ec7n 400GAUI-8<\/strong> v\u1edbi 8 k\u00eanh 53,125 Gbps<\/p><\/li><li><p><strong>4 k\u00eanh quang 106,25 Gbps<\/strong> s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n MSA 100G Lambda<\/p><\/li><li><p>b\u1ed9 bi\u1ebfn \u00e1p t\u00edch h\u1ee3p <strong>gh\u00e9p k\u00eanh v\u00e0 t\u00e1ch k\u00eanh<\/strong><\/p><\/li><li><p>T\u1ed1i \u0111a <strong>T\u1ea7m xa 10 km<\/strong> tr\u00ean SMF k\u00e8m m\u00e3 h\u00f3a s\u1eeda l\u1ed7i FEC<\/p><\/li><li><p><strong>Giao di\u1ec7n qu\u1ea3n l\u00fd tu\u00e2n th\u1ee7 CMIS 4.0<\/strong><\/p><\/li><li><p>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng: <strong>0\u00b0C \u0111\u1ebfn +70\u00b0C<\/strong><\/p><\/li><li><p>M\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng: <strong>&lt;9,5W<\/strong><\/p><\/li><li><p>Ho\u00e0n to\u00e0n tu\u00e2n th\u1ee7 <strong>IEEE 802.3bs v\u00e0 MSA QSFP-DD<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u00f4-\u0111un QSFP-DD<\/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\/4fd5dceca7404dc197f9e4934a739055.webp\" alt=\"Applications of QSFP-DD Optical Transceivers\" class=\"wp-image-6052\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fd5dceca7404dc197f9e4934a739055.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fd5dceca7404dc197f9e4934a739055-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fd5dceca7404dc197f9e4934a739055-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fd5dceca7404dc197f9e4934a739055-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fd5dceca7404dc197f9e4934a739055-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3n ch\u1ea5t nh\u1ecf g\u1ecdn nh\u01b0ng m\u1ea1nh m\u1ebd c\u1ee7a <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm?ca=1435&amp;cv=7969\">c\u00e1c b\u1ed9 thu ph\u00e1t QSFP-DD<\/a> khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y v\u00e0 si\u00eau quy m\u00f4<\/strong><\/p><\/li><li><p><strong>K\u1ebft n\u1ed1i gi\u1eefa c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch Ethernet 400G<\/strong><\/p><\/li><li><p><strong>K\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/strong><\/p><\/li><li><p><strong>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng h\u1ecdc m\u00e1y v\u00e0 tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/strong><\/p><\/li><li><p><strong>M\u1ea1ng v\u1eadn chuy\u1ec3n 5G<\/strong><\/p><\/li><li><p><strong>Gi\u1ea3i ph\u00e1p DWDM \u0111\u00f4 th\u1ecb v\u00e0 \u0111\u01b0\u1eddng d\u00e0i (khi s\u1eed d\u1ee5ng quang h\u1ecdc ph\u00f9 h\u1ee3p)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi c\u00e1c m\u00f4-\u0111un nh\u01b0 LINK-PP <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472016.htm\">LQD-CW400-LR4C<\/a>, c\u00e1c doanh nghi\u1ec7p c\u00f3 th\u1ec3 t\u1ef1 tin gi\u1ea3i quy\u1ebft c\u00e1c kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c \u0111\u00f2i h\u1ecfi b\u0103ng th\u00f4ng cao trong khi t\u1ed1i thi\u1ec3u h\u00f3a chi ph\u00ed v\u00e0 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >Xem Th\u00eam<\/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 k\u1ef9 thu\u1eadt s\u1ed1 trong c\u00e1c b\u1ed9 thu ph\u00e1t quang<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/tosa-in-optical-modules-importance\/\">Kh\u00e1m ph\u00e1 TOSA trong c\u00e1c m\u00f4-\u0111un quang v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/5-steps-transceiver-installation-success\/\">Tham gia C\u1ed9ng \u0111\u1ed3ng LINK-PP c\u1ee7a ch\u00fang t\u00f4i ngay h\u00f4m nay<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1c b\u1ed9 giao ti\u1ebfp quang QSFP-DD cung c\u1ea5p t\u1ed1c \u0111\u1ed9 l\u00ean \u0111\u1ebfn 800 Gbps, mang l\u1ea1i b\u0103ng th\u00f4ng cao, hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch cho c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u.<\/p>","protected":false},"author":1,"featured_media":6053,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-6054","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\/6054","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=6054"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6054\/revisions"}],"predecessor-version":[{"id":11515,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6054\/revisions\/11515"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/6053"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=6054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=6054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=6054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}