{"id":3507,"date":"2025-12-02T00:00:00","date_gmt":"2025-12-02T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/gearbox-role-in-high-speed-optical-transceivers\/"},"modified":"2026-06-22T04:25:55","modified_gmt":"2026-06-22T04:25:55","slug":"gearbox-role-in-high-speed-optical-transceivers","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/gearbox-role-in-high-speed-optical-transceivers","title":{"rendered":"Vai tr\u00f2 then ch\u1ed1t c\u1ee7a B\u1ed9 gi\u1ea3m t\u1ed1c trong c\u00e1c m\u00f4-\u0111un quang t\u1ed1c \u0111\u1ed9 cao"},"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\/68ffd271add64738a66195ebe4b61a3e.webp\" alt=\"Gearbox in Optical Transceivers\" class=\"wp-image-3504\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/68ffd271add64738a66195ebe4b61a3e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/68ffd271add64738a66195ebe4b61a3e-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/68ffd271add64738a66195ebe4b61a3e-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/68ffd271add64738a66195ebe4b61a3e-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/68ffd271add64738a66195ebe4b61a3e-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i ph\u1ee5 thu\u1ed9c v\u00e0o<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/491591.htm\"><strong>50G<\/strong><\/a><strong>, <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482616.htm\"><strong>100G<br><\/strong><\/a><strong>, and <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473139.htm\"><strong>B\u1ed9 thu ph\u00e1t quang 200G<br><\/strong><\/a> \u0111\u1ec3 cung c\u1ea5p k\u1ebft n\u1ed1i b\u0103ng th\u00f4ng cao. M\u1ed9t th\u00e0nh ph\u1ea7n then ch\u1ed1t trong c\u00e1c m\u00f4-\u0111un n\u00e0y l\u00e0<br> <strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox)<br><\/strong>, \u0111\u00f4i khi c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 thi\u1ebft b\u1ecb kh\u1edbp t\u1ed1c \u0111\u1ed9 ho\u1eb7c thi\u1ebft b\u1ecb \u00e1nh x\u1ea1 k\u00eanh. C\u00f4ng ngh\u1ec7 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u1ed9 thu ph\u00e1t quang c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3 gi\u1eefa t\u00edn hi\u1ec7u \u0111i\u1ec7n b\u00ean trong v\u00e0 giao di\u1ec7n quang, \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 ph\u00e2n nh\u00e1nh k\u00eanh (lane breakout) v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0111a t\u1ed1c \u0111\u1ed9.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd01 <\/strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) trong m\u00f4-\u0111un quang l\u00e0 g\u00ec?<br><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox)<br><\/strong> l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n n\u1ed9i b\u1ed9 c\u1ee7a m\u00f4-\u0111un th\u1ef1c hi\u1ec7n<br> <strong>\u00e1nh x\u1ea1 k\u00eanh v\u00e0 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9<br><\/strong> gi\u1eefa giao di\u1ec7n \u0111i\u1ec7n c\u1ee7a m\u00f4-\u0111un (ph\u00eda m\u00e1y ch\u1ee7) v\u00e0 giao di\u1ec7n quang c\u1ee7a n\u00f3 (ph\u00eda s\u1ee3i quang). M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 \u0111\u1ed3ng b\u1ed9 h\u00f3a s\u1ed1 l\u01b0\u1ee3ng k\u00eanh ho\u1eb7c t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u kh\u00e1c nhau, t\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c li\u1ec1n m\u1ea1ch v\u1edbi c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 m\u00e1y ch\u1ee7.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>C\u00e1c m\u00f4-\u0111un 50G\/100G<br><\/strong>: Chuy\u1ec3n \u0111\u1ed5i 2 k\u00eanh \u0111i\u1ec7n 50G n\u1ed9i b\u1ed9 th\u00e0nh \u0111\u1ea7u ra quang 100G.<br>.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26224-200g-qsfp-dd-qsfp56.htm\"><strong>C\u00e1c m\u00f4-\u0111un 200G<br><\/strong><\/a>: T\u00e1ch 200G QSFP-DD th\u00e0nh 4 k\u00eanh 50G cho c\u00e1c \u1ee9ng d\u1ee5ng ph\u00e2n nh\u00e1nh (breakout).<br>.<\/p><\/li><li><p><strong>C\u1ea5u h\u00ecnh ph\u00e2n nh\u00e1nh (Breakout)<br><\/strong>: Cho ph\u00e9p m\u1ed9t c\u1ed5ng t\u1ed1c \u0111\u1ed9 cao duy nh\u1ea5t ph\u1ee5c v\u1ee5 nhi\u1ec1u k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n.<br>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd01 <\/strong>C\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox)<br><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >Chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 cho ph\u00e9p c\u00e1c m\u00f4-\u0111un quang x\u1eed l\u00fd s\u1ef1 kh\u00f4ng kh\u1edbp v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u gi\u1eefa giao di\u1ec7n \u0111i\u1ec7n v\u00e0 giao di\u1ec7n quang. V\u00ed d\u1ee5:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>2 k\u00eanh \u0111i\u1ec7n 50G \u2192 1 k\u00eanh quang 100G<br><\/p><\/li><li><p>4 k\u00eanh \u0111i\u1ec7n 25G \u2192 1 k\u00eanh quang 100G<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o m\u00f4-\u0111un c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi c\u00e1c vi m\u1ea1ch ASIC ch\u1ee7 ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00e1c t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau, \u0111\u1ed3ng th\u1eddi duy tr\u00ec \u0111i\u1ec1u ch\u1ebf PAM4 ho\u1eb7c NRZ ph\u00f9 h\u1ee3p ti\u00eau chu\u1ea9n.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u00c1nh x\u1ea1 v\u00e0 c\u0103n ch\u1ec9nh k\u00eanh (Lane Mapping and Alignment)<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4-\u0111un quang \u0111a k\u00eanh, B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 th\u1ef1c hi\u1ec7n<br> <strong>\u00e1nh x\u1ea1 t\u1eebng k\u00eanh (lane-by-lane mapping)<br><\/strong>, \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u00fang c\u00e1ch qua m\u1ed7i k\u00eanh:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1eadp h\u1ee3p nhi\u1ec1u k\u00eanh t\u1ed1c \u0111\u1ed9 th\u1ea5p th\u00e0nh m\u1ed9t k\u00eanh t\u1ed1c \u0111\u1ed9 cao duy nh\u1ea5t<br><\/p><\/li><li><p>T\u00e1ch m\u1ed9t k\u00eanh t\u1ed1c \u0111\u1ed9 cao th\u00e0nh nhi\u1ec1u k\u00eanh t\u1ed1c \u0111\u1ed9 th\u1ea5p cho \u1ee9ng d\u1ee5ng ph\u00e2n nh\u00e1nh (breakout)<br><\/p><\/li><li><p>Duy tr\u00ec th\u1ee9 t\u1ef1 k\u00eanh ch\u00ednh x\u00e1c cho c\u00e1c m\u00f4-\u0111un QSFP28, QSFP56 v\u00e0 QSFP-DD<br><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >H\u1ed7 tr\u1ee3 ph\u00e2n nh\u00e1nh (Breakout) v\u00e0 \u0111a t\u1ed1c \u0111\u1ed9<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 cho ph\u00e9p<br> <strong>c\u00e1c t\u00f9y ch\u1ecdn ph\u00e2n nh\u00e1nh linh ho\u1ea1t<br><\/strong>, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>200G QSFP-DD \u2192 4\u00d750G SFP56<br><\/strong><\/p><\/li><li><p><strong>QSFP28 100G \u2192 2\u00d7SFP56 50G<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 linh ho\u1ea1t n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ki\u1ebfn tr\u00fac trung t\u00e2m d\u1eef li\u1ec7u l\u00e1\u2013x\u01b0\u01a1ng s\u1ed1ng (leaf-spine) hi\u1ec7n \u0111\u1ea1i, cho ph\u00e9p m\u1ed9t c\u1ed5ng t\u1ed1c \u0111\u1ed9 cao duy nh\u1ea5t ph\u1ee5c v\u1ee5 nhi\u1ec1u m\u00e1y ch\u1ee7 ho\u1eb7c c\u00e1c li\u00ean k\u1ebft t\u1eadp h\u1ee3p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd01 <\/strong>T\u1ea1i sao B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng quang t\u1ed1c \u0111\u1ed9 cao<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng c\u00f3 B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox), <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">b\u1ed9 thu ph\u00e1t quang<\/a> s\u1ebd b\u1ecb gi\u1edbi h\u1ea1n \u1edf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>T\u01b0\u01a1ng th\u00edch<\/strong>: Giao di\u1ec7n \u0111i\u1ec7n v\u00e0 giao di\u1ec7n quang c\u00f3 th\u1ec3 kh\u00f4ng t\u01b0\u01a1ng th\u00edch.<\/p><\/li><li><p><strong>Linh ho\u1ea1t<br><\/strong>: Ch\u1ee9c n\u0103ng chia t\u00e1ch (breakout) s\u1ebd kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c, l\u00e0m h\u1ea1n ch\u1ebf thi\u1ebft k\u1ebf m\u1ea1ng.<\/p><\/li><li><p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: Vi\u1ec7c n\u00e2ng c\u1ea5p t\u1eeb m\u1ea1ng 50G \u2192 100G \u2192 200G s\u1ebd y\u00eau c\u1ea7u thi\u1ebft k\u1ebf l\u1ea1i to\u00e0n b\u1ed9 module.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch x\u1eed l\u00fd chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 v\u00e0 \u00e1nh x\u1ea1 k\u00eanh (lane mapping) b\u00ean trong, B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) cho ph\u00e9p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>N\u00e2ng c\u1ea5p m\u01b0\u1ee3t m\u00e0 t\u1eeb m\u1ea1ng 25G v\u00e0 50G l\u00ean m\u1ea1ng 100G\/200G<\/p><\/li><li><p>Tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/ieee-802-3cd-50g-100g-200g-pam4-ethernet\/\">IEEE 802.3cd<\/a> v\u00e0 c\u00e1c chu\u1ea9n Ethernet t\u1ed1c \u0111\u1ed9 cao kh\u00e1c<\/p><\/li><li><p>\u0110\u00e1ng tin c\u1eady <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-the-difference-between-nrz-and-pam4\/\">PAM4 ho\u1eb7c NRZ<\/a> truy\u1ec1n t\u00edn hi\u1ec7u v\u1edbi \u1ea3nh h\u01b0\u1edfng t\u1ed1i thi\u1ec3u \u0111\u1ebfn t\u1ef7 l\u1ec7 l\u1ed7i bit (BER)<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd01 <\/strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) trong b\u1ed9 thu ph\u00e1t quang LINK-PP<\/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\/2ce434edad0e43779e1d804d9b559a48.webp\" alt=\"IEEE 802.3cd-compliant optical modules\" class=\"wp-image-3505\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2ce434edad0e43779e1d804d9b559a48.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2ce434edad0e43779e1d804d9b559a48-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2ce434edad0e43779e1d804d9b559a48-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2ce434edad0e43779e1d804d9b559a48-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2ce434edad0e43779e1d804d9b559a48-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP cung c\u1ea5p lo\u1ea1t <strong>module quang tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n IEEE 802.3cd<\/strong> t\u00edch h\u1ee3p ch\u1ee9c n\u0103ng B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd17<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27046-50g-qsfp28-sfp56.htm\"><strong>50G SFP56 \/ QSFP28<\/strong><\/a>: H\u1ed7 tr\u1ee3 50GBASE-SR\/FR\/LR m\u1ed9t k\u00eanh v\u00e0 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd17<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>100G QSFP28 \/ SFP-DD<\/strong><\/a>: Li\u00ean k\u1ebft l\u00ean (uplink) 2\u00d750G v\u00e0 t\u00f9y ch\u1ecdn chia t\u00e1ch (breakout) linh ho\u1ea1t<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd17<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26224-200g-qsfp-dd-qsfp56.htm\"><strong>200G QSFP-DD \/ QSFP56<\/strong><\/a>: M\u1ea1ng leaf-spine 4\u00d750G v\u1edbi \u00e1nh x\u1ea1 k\u00eanh (lane mapping) v\u00e0 chia t\u00e1ch (breakout)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng ngh\u1ec7 B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) t\u00edch h\u1ee3p \u0111\u1ea3m b\u1ea3o c\u00e1c module n\u00e0y h\u1ed7 tr\u1ee3 m\u1ea1ng \u0111a t\u1ed1c \u0111\u1ed9 v\u00e0 duy tr\u00ec <strong>t\u1ef7 l\u1ec7 l\u1ed7i bit (BER) th\u1ea5p, hi\u1ec7u n\u0103ng m\u00e3 h\u00f3a s\u1eeda l\u1ed7i m\u1ea1nh (FEC) v\u00e0 \u0111\u1ed9 nguy\u00ean v\u1eb9n t\u00edn hi\u1ec7u PAM4<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd01 <\/strong>K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) l\u00e0 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n<\/strong> trong c\u00e1c b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao hi\u1ec7n \u0111\u1ea1i. Nh\u1edd cung c\u1ea5p <strong>chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9, \u00e1nh x\u1ea1 k\u00eanh (lane mapping) v\u00e0 h\u1ed7 tr\u1ee3 chia t\u00e1ch (breakout)<\/strong>, n\u00f3 cho ph\u00e9p giao ti\u1ebfp li\u1ec1n m\u1ea1ch gi\u1eefa giao di\u1ec7n \u0111i\u1ec7n v\u00e0 s\u1ee3i quang, h\u1ed7 tr\u1ee3 c\u1ea5u tr\u00fac m\u1ea1ng linh ho\u1ea1t v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/ieee-802-3cd-50g-100g-200g-pam4-ethernet\/\">ti\u00eau chu\u1ea9n IEEE 802.3cd<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng quy m\u00f4 l\u1edbn (hyperscale), c\u00e1c module h\u1ed7 tr\u1ee3 B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) nh\u01b0 d\u00f2ng 50G, 100G v\u00e0 200G c\u1ee7a LINK-PP <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">b\u1ed9 thu ph\u00e1t quang<\/a> l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu cho <strong>vi\u1ec7c tri\u1ec3n khai Ethernet quy m\u00f4 l\u1edbn, \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t cao<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udd01 <\/strong>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ): B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) trong b\u1ed9 thu ph\u00e1t quang<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) trong module quang l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) l\u00e0 th\u00e0nh ph\u1ea7n n\u1ed9i b\u1ed9 th\u1ef1c hi\u1ec7n <strong>\u00e1nh x\u1ea1 k\u00eanh (lane mapping) v\u00e0 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9<\/strong> gi\u1eefa giao di\u1ec7n \u0111i\u1ec7n v\u00e0 giao di\u1ec7n quang c\u1ee7a module. N\u00f3 \u0111\u1ea3m b\u1ea3o c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c, h\u1ed7 tr\u1ee3 chia t\u00e1ch (breakout) v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c \u0111a t\u1ed1c \u0111\u1ed9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ea1i sao B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 (Gearbox) l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi Ethernet t\u1ed1c \u0111\u1ed9 cao?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ed9p s\u1ed1 (Gearbox) cho ph\u00e9p thi\u1ebft k\u1ebf m\u1ea1ng linh ho\u1ea1t b\u1eb1ng c\u00e1ch cho ph\u00e9p m\u1ed9t c\u1ed5ng t\u1ed1c \u0111\u1ed9 cao duy nh\u1ea5t h\u1ed7 tr\u1ee3 nhi\u1ec1u k\u00eanh, c\u1ea5u h\u00ecnh chia t\u00e1ch (breakout) v\u00e0 c\u00e1c t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u kh\u00e1c nhau. N\u00f3 \u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u PAM4 ho\u1eb7c NRZ \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady v\u1edbi t\u1ef7 l\u1ec7 l\u1ed7i bit (BER) t\u1ed1i thi\u1ec3u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >H\u1ed9p s\u1ed1 (Gearbox) c\u00f3 h\u1ed7 tr\u1ee3 c\u1ea5u h\u00ecnh chia t\u00e1ch (breakout) kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3. H\u1ed9p s\u1ed1 (Gearbox) cho ph\u00e9p c\u00e1c module nh\u01b0 <strong>200G QSFP-DD<\/strong> \u0111\u01b0\u1ee3c chia th\u00e0nh <strong>4\u00d750G k\u00eanh<\/strong> or <strong>100G QSFP28<\/strong> th\u00e0nh <strong>2\u00d750G k\u00eanh<\/strong>, cho ph\u00e9p k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7 ho\u1eb7c k\u1ebft n\u1ed1i t\u1eadp trung (aggregation) t\u1eeb m\u1ed9t c\u1ed5ng duy nh\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >H\u1ed9p s\u1ed1 (Gearbox) c\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u1ea3 t\u00edn hi\u1ec7u PAM4 v\u00e0 NRZ kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3. C\u00e1c h\u1ed9p s\u1ed1 (Gearbox) hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd <strong>c\u1ea3 t\u00edn hi\u1ec7u PAM4 v\u00e0 NRZ<\/strong>, chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 k\u00eanh v\u00e0 c\u0103n ch\u1ec9nh c\u00e1c k\u00eanh d\u1eef li\u1ec7u trong khi v\u1eabn duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c b\u1ed9 thu ph\u00e1t quang (optical transceivers) LINK-PP n\u00e0o s\u1eed d\u1ee5ng h\u1ed9p s\u1ed1 (Gearbox)?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module LINK-PP h\u1ed7 tr\u1ee3 h\u1ed9p s\u1ed1 (Gearbox) bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27046-50g-qsfp28-sfp56.htm\">Module 50G SFP56 \/ QSFP28<\/a><\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\">Module 100G QSFP28 \/ SFP-DD<\/a> <\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26224-200g-qsfp-dd-qsfp56.htm\">Module 200G QSFP-DD \/ QSFP56<\/a> <\/p><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 vai tr\u00f2 c\u1ee7a B\u1ed9 gi\u1ea3m t\u1ed1c trong c\u00e1c b\u1ed9 thu ph\u00e1t quang hi\u1ec7n \u0111\u1ea1i. T\u00ecm hi\u1ec3u c\u00e1ch n\u00f3 cho ph\u00e9p c\u0103n ch\u1ec9nh k\u00eanh, chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 v\u00e0 ph\u00e2n nh\u00e1nh cho c\u00e1c m\u1ea1ng 50G, 100G v\u00e0 200G.<\/p>","protected":false},"author":1,"featured_media":3506,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[24,26],"class_list":["post-3507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3507","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=3507"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3507\/revisions"}],"predecessor-version":[{"id":10809,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3507\/revisions\/10809"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3506"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}