{"id":4618,"date":"2025-10-25T11:12:00","date_gmt":"2025-10-25T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/technical-hurdles-1-6t-optical-transceivers-connector-revolution\/"},"modified":"2026-06-22T05:57:21","modified_gmt":"2026-06-22T05:57:21","slug":"technical-hurdles-1-6t-optical-transceivers-connector-revolution","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/technical-hurdles-1-6t-optical-transceivers-connector-revolution","title":{"rendered":"V\u01b0\u1ee3t Qua T\u1ed1c \u0110\u1ed9: Nh\u1eefng Th\u00e1ch Th\u1ee9c K\u1ef9 Thu\u1eadt C\u1ee7a B\u1ed9 Thu Ph\u00e1t Quang 1.6T V\u00e0 Cu\u1ed9c C\u00e1ch M\u1ea1ng \u0110\u1ea7u N\u1ed1i M\u00e0 Ch\u00fang \u0110\u00f2i H\u1ecfi"},"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\/c571de9ebcf341258e0765b910279478.webp\" alt=\"1.6T Optical Transceivers\" class=\"wp-image-4617\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c571de9ebcf341258e0765b910279478.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c571de9ebcf341258e0765b910279478-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c571de9ebcf341258e0765b910279478-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c571de9ebcf341258e0765b910279478-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c571de9ebcf341258e0765b910279478-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u01a1n kh\u00e1t d\u1eef li\u1ec7u to\u00e0n c\u1ea7u kh\u00f4ng bao gi\u1edd th\u1ecfa m\u00e3n, \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi c\u00e1c kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c AI\/ML, \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y quy m\u00f4 si\u00eau l\u1edbn v\u00e0 s\u1ef1 m\u1edf r\u1ed9ng kh\u00f4ng ng\u1eebng c\u1ee7a c\u00e1c m\u1ea1ng 5G\/6G, \u0111ang \u0111\u1ea9y c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng trung t\u00e2m d\u1eef li\u1ec7u \u0111\u1ebfn gi\u1edbi h\u1ea1n tuy\u1ec7t \u0111\u1ed1i c\u1ee7a n\u00f3. Trong cu\u1ed9c \u0111ua \u0111\u1ea7y t\u00ednh quy\u1ebft \u0111\u1ecbnh n\u00e0y, <strong>C\u00e1c m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang 1,6T<\/strong> \u0111\u1ee9ng v\u1eefng nh\u01b0 bi\u00ean gi\u1edbi v\u0129 \u0111\u1ea1i ti\u1ebfp theo, h\u1ee9a h\u1eb9n nh\u00e2n \u0111\u00f4i b\u0103ng th\u00f4ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng 800G hi\u1ec7n nay. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u01b0\u1edbc nh\u1ea3y v\u1ecdt n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t n\u00e2ng c\u1ea5p th\u1ebf h\u1ec7\u2014\u0111\u00f3 l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c t\u00e1i thi\u1ebft k\u1ebf n\u1ec1n t\u1ea3ng, g\u00e2y \u00e1p l\u1ef1c ch\u01b0a t\u1eebng c\u00f3 l\u00ean m\u1ecdi th\u00e0nh ph\u1ea7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ed9 n\u1ed1i nh\u1ecf b\u00e9 nh\u01b0ng v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o <strong>c\u00e1c th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i c\u1ee7a b\u1ed9 thu ph\u00e1t quang 1,6T<\/strong> v\u00e0 kh\u00e1m ph\u00e1 c\u00e1ch ch\u00fang \u0111ang l\u00e0m thay \u0111\u1ed5i n\u1ec1n t\u1ea3ng <strong>c\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf b\u1ed9 n\u1ed1i t\u1ed1c \u0111\u1ed9 cao<\/strong> cho trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\ude80 Con \u0111\u01b0\u1eddng \u0111\u1ea7y th\u1eed th\u00e1ch d\u1eabn t\u1edbi 1,6T: H\u01a1n c\u1ea3 m\u1ed9t con s\u1ed1<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00e2n \u0111\u00f4i t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1eeb 800G l\u00ean 1,6T kh\u00f4ng \u0111\u01a1n gi\u1ea3n nh\u01b0 b\u1eadt m\u1ed9t c\u00f4ng t\u1eafc. C\u00e1c k\u1ef9 s\u01b0 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t tr\u1eadn chi\u1ebfn tr\u00ean nhi\u1ec1u m\u1eb7t tr\u1eadn ch\u1ed1ng l\u1ea1i ch\u00ednh c\u00e1c \u0111\u1ecbnh lu\u1eadt v\u1eadt l\u00fd, ch\u1ee7 y\u1ebfu trong ba l\u0129nh v\u1ef1c then ch\u1ed1t:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" ><strong>M\u00ea cung v\u1ec1 \u0111\u1ed9 nguy\u00ean v\u1eb9n t\u00edn hi\u1ec7u<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede m\u1ee9c 1,6T (ho\u1eb7c 1,6 terabit m\u1ed7i gi\u00e2y), ch\u00fang ta \u0111\u00e3 ch\u1eafc ch\u1eafn b\u01b0\u1edbc v\u00e0o v\u00f9ng <strong>PAM4 224G<\/strong> tr\u00ean m\u1ed7i k\u00eanh. C\u00e1c t\u00edn hi\u1ec7u \u0111i\u1ec7n di chuy\u1ec3n b\u00ean trong m\u00f4-\u0111un v\u00e0 tr\u00ean b\u1ea3ng m\u1ea1ch in (PCB) ch\u1ee7 r\u1ea5t d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng. \u1ede c\u00e1c t\u1ea7n s\u1ed1 n\u00e0y, ngay c\u1ea3 nh\u1eefng khi\u1ebfm khuy\u1ebft nh\u1ecf nh\u1ea5t\u2014m\u1ed9t s\u1ef1 kh\u00f4ng kh\u1edbp tr\u1edf kh\u00e1ng d\u00f9 r\u1ea5t nh\u1ecf, m\u1ed9t \u0111\u1ed9 l\u1ec7ch pha nh\u1eb9 gi\u1eefa c\u00e1c k\u00eanh ho\u1eb7c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/crosstalk-definition-causes-types-effects\/\"><strong>nhi\u1ec5u xuy\u00ean k\u00eanh<\/strong><\/a> t\u1eeb k\u00eanh l\u00e2n c\u1eadn\u2014c\u0169ng c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m t\u00edn hi\u1ec7u \u0111\u1ebfn m\u1ee9c kh\u00f4ng c\u00f2n s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c n\u1eefa. Vi\u1ec7c duy tr\u00ec m\u1ed9t \u201cbi\u1ec3u \u0111\u1ed3 m\u1eaft\u201d r\u00f5 r\u00e0ng \u0111\u00f2i h\u1ecfi ph\u00e2n t\u00edch <strong>\u0111\u1ed9 nguy\u00ean v\u1eb9n t\u00edn hi\u1ec7u<\/strong> tinh vi v\u00e0 c\u00e1c v\u1eadt li\u1ec7u v\u1ed1n tr\u01b0\u1edbc \u0111\u00e2y ch\u1ec9 d\u00e0nh ri\u00eang cho c\u00e1c \u1ee9ng d\u1ee5ng RF chuy\u00ean bi\u1ec7t.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" ><strong>N\u00fat th\u1eaft v\u1ec1 qu\u1ea3n l\u00fd nhi\u1ec7t<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/power-consumption-optimization-optical-edge-computing\/\"><strong>M\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng<\/strong><\/a> l\u00e0 m\u1ed9t tr\u1edf ng\u1ea1i kh\u1ed5ng l\u1ed3. C\u00e1c m\u1eabu th\u1eed nghi\u1ec7m s\u01a1 khai 1,6T \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh ti\u00eau th\u1ee5 <strong>h\u01a1n 25 watt<\/strong>. Vi\u1ec7c t\u00edch h\u1ee3p l\u01b0\u1ee3ng linh ki\u1ec7n sinh nhi\u1ec7t l\u1edbn nh\u01b0 v\u1eady\u2014bao g\u1ed3m b\u1ed9 \u0111i\u1ec1u khi\u1ec3n laser, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n b\u1ed9 \u0111i\u1ec1u ch\u1ebf v\u00e0 b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP)\u2014v\u00e0o m\u1ed9t d\u1ea1ng h\u00ecnh chu\u1ea9n (nh\u01b0 <strong>QSFP-DD<\/strong> or <strong>OSFP<\/strong>) t\u1ea1o ra m\u1ed9t c\u01a1n \u00e1c m\u1ed9ng v\u1ec1 m\u1eadt \u0111\u1ed9 nhi\u1ec7t. L\u00e0m m\u00e1t hi\u1ec7u qu\u1ea3 kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t ti\u1ec7n \u00edch; m\u00e0 l\u00e0 y\u1ebfu t\u1ed1 duy nh\u1ea5t quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 tin c\u1eady v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a m\u00f4-\u0111un. \u0110i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a v\u1ecf m\u00f4-\u0111un (cage) v\u00e0 c\u00e1c b\u1ed9 n\u1ed1i xung quanh, v\u1ed1n gi\u1edd \u0111\u00e2y ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn t\u1ea3n nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" ><strong>C\u00f4ng su\u1ea5t v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a DSP<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 v\u01b0\u1ee3t qua c\u00e1c gi\u1edbi h\u1ea1n v\u1eadt l\u00fd c\u1ee7a k\u00eanh truy\u1ec1n, c\u00e1c m\u00f4-\u0111un 1,6T ph\u1ee5 thu\u1ed9c m\u1ea1nh v\u00e0o c\u00e1c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/digital-signal-processor-functionality-in-optical-transceivers\/\"><strong>B\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 (DSP)<\/strong><\/a>. b\u1ed9 x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP) m\u1ea1nh m\u1ebd. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-pam4-four-level-pulse-amplitude-modulation-basics\/\"><strong>\u0110i\u1ec1u ch\u1ebf PAM4<\/strong><\/a>. Nh\u1eefng chip n\u00e0y l\u00e0 tr\u1ee5 c\u1ed9t th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng s\u1eeda l\u1ed7i, b\u00f9 \u0111\u1eafp m\u00e9o t\u00edn hi\u1ec7u v\u00e0 cho ph\u00e9p s\u1eed d\u1ee5ng <strong>c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 c\u1ee7a DSP<\/strong> c\u00f3 th\u1ec3 chi\u1ebfm m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 ng\u00e2n s\u00e1ch c\u00f4ng su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a m\u00f4-\u0111un. Vi\u1ec7c t\u00ecm ki\u1ebfm c\u00e1c DSP ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n (R&amp;D) then ch\u1ed1t, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn h\u1ed3 s\u01a1 nhi\u1ec7t t\u1ed5ng th\u1ec3 v\u00e0 kh\u1ea3 thi c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\ude80 Tr\u00e1i tim c\u1ee7a h\u1ec7 th\u1ed1ng: Nh\u00ecn g\u1ea7n h\u01a1n v\u00e0o m\u00f4-\u0111un quang 1,6T<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <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> l\u00e0 m\u1ed9t k\u1ef3 t\u00edch c\u1ee7a c\u00f4ng ngh\u1ec7 thu nh\u1ecf, v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 m\u1ed9t nh\u00e0 m\u00e1y chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u t\u1ef1 ch\u1ee9a. Ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a n\u00f3 l\u00e0 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb b\u1ed9 chuy\u1ec3n m\u1ea1ch <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-application-specific-integrated-circuit-asic\/\"><strong>ASIC<\/strong><\/a> th\u00e0nh c\u00e1c xung \u00e1nh s\u00e1ng quang \u0111\u1ec3 truy\u1ec1n qua s\u1ee3i quang, v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u1ed9t m\u00f4-\u0111un 1,6T, ki\u1ebfn tr\u00fac n\u1ed9i b\u1ed9 th\u01b0\u1eddng d\u1ef1a tr\u00ean <strong>8 k\u00eanh 200G<\/strong> or <strong>16 k\u00eanh 100G<\/strong>. S\u1ed1 l\u01b0\u1ee3ng k\u00eanh cao nh\u01b0 v\u1eady ngh\u0129a l\u00e0 nhi\u1ec1u <strong>laser<\/strong>, <strong>photodiode<\/strong>, v\u00e0 m\u1ea1ch li\u00ean quan ph\u1ea3i \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u00f9ng m\u1ed9t kh\u00f4ng gian h\u1ea1n ch\u1ebf. M\u1eadt \u0111\u1ed9 n\u1ed9i b\u1ed9 cao n\u00e0y l\u00e0m tr\u1ea7m tr\u1ecdng th\u00eam c\u00e1c th\u00e1ch th\u1ee9c v\u1ec1 nhi\u1ec5u xuy\u00ean k\u00eanh (crosstalk) v\u00e0 nhi\u1ec7t. Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7\u2014d\u00f9 l\u00e0 <strong>Quang t\u00edch h\u1ee3p tr\u00ean silicon (SiPh)<\/strong> nh\u1edd kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p v\u01b0\u1ee3t tr\u1ed9i hay c\u00e1c thi\u1ebft k\u1ebf truy\u1ec1n th\u1ed1ng d\u1ef1a tr\u00ean laser \u0111i\u1ec1u ch\u1ebf ngo\u00e0i (EML)\u2014\u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh hi\u1ec7u n\u0103ng, hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 chi ph\u00ed c\u1ee7a m\u00f4-\u0111un.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u \u0111ang tr\u1ef1c di\u1ec7n gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c t\u00edch h\u1ee3p n\u00e0y. V\u00ed d\u1ee5, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a><strong>\u2018b\u1ed9 s\u1ea3n ph\u1ea9m \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a <\/strong>m\u00f4-\u0111un 1,6T d\u1ef1a tr\u00ean chu\u1ea9n OSFP, t\u1eadn d\u1ee5ng c\u00f4ng ngh\u1ec7 <strong>Photonics Silicon<\/strong> ti\u00ean ti\u1ebfn v\u00e0 m\u1ed9t DSP t\u1ed1i \u01b0u h\u00f3a c\u00f4ng su\u1ea5t \u0111\u1ed9c quy\u1ec1n nh\u1eb1m mang l\u1ea1i hi\u1ec7u n\u0103ng xu\u1ea5t s\u1eafc \u0111\u1ed3ng th\u1eddi ki\u1ec3m so\u00e1t \u0111\u1ea7u ra nhi\u1ec7t, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p b\u1ec1n b\u1ec9 cho c\u00e1c m\u1ea1ng c\u1ee5m AI th\u1ebf h\u1ec7 ti\u1ebfp theo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\ude80 Hi\u1ec7u \u1ee9ng lan t\u1ecfa: C\u00e1ch 1,6T th\u00fac \u0111\u1ea9y m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng v\u1ec1 b\u1ed9 n\u1ed1i<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fac c\u00e2u chuy\u1ec7n tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t th\u00fa v\u1ecb. C\u00e1c th\u00e1ch th\u1ee9c b\u00ean trong m\u00f4-\u0111un t\u1ea1o ra hi\u1ec7u \u1ee9ng lan t\u1ecfa, bu\u1ed9c ph\u1ea3i x\u1ea3y ra m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng \u1edf c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean ngo\u00e0i giao ti\u1ebfp v\u1edbi n\u00f3\u2014ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c <strong>b\u1ed9 n\u1ed1i I\/O<\/strong> and <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-21644-fiber-optic-cages-connectors.htm\"><strong>quang<\/strong> <strong>v\u1ecf (cages)<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c giao di\u1ec7n \u0111i\u1ec7n truy\u1ec1n th\u1ed1ng t\u1eebng ph\u1ee5c v\u1ee5 c\u00e1c th\u1ebf h\u1ec7 400G v\u00e0 800G gi\u1edd \u0111\u00e2y \u0111ang tr\u1edf th\u00e0nh \u0111i\u1ec3m ngh\u1ebdn. C\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi b\u1ed9 n\u1ed1i t\u01b0\u01a1ng th\u00edch 1,6T c\u1ef1c k\u1ef3 nghi\u00eam ng\u1eb7t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>M\u1eadt \u0111\u1ed9 b\u0103ng th\u00f4ng cao h\u01a1n:<\/strong> Ch\u00fang ph\u1ea3i h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed5ng h\u1ee3p \u0111\u1ea7y \u0111\u1ee7 1,6T v\u1edbi t\u1ed5n hao t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u1ea3m t\u1ed5n hao ch\u00e8n (insertion loss):<\/strong> M\u1ed7i ph\u1ea7n nh\u1ecf c\u1ee7a decibel t\u1ed5n hao \u0111\u1ec1u quan tr\u1ecdng \u1edf t\u1ed1c \u0111\u1ed9 PAM4 224G.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ki\u1ec3m so\u00e1t tr\u1edf kh\u00e1ng v\u01b0\u1ee3t tr\u1ed9i:<\/strong> S\u1ef1 nh\u1ea5t qu\u00e1n l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 b\u1ea3o to\u00e0n \u0111\u1ed9 nguy\u00ean v\u1eb9n t\u00edn hi\u1ec7u tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c k\u00eanh.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u1ea3o v\u1ec7 n\u00e2ng cao v\u00e0 nhi\u1ec5u xuy\u00ean k\u00eanh (crosstalk) th\u1ea5p h\u01a1n:<\/strong> Vi\u1ec7c ng\u0103n ch\u1eb7n <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-electromagnetic-interference\/\"><strong>nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI)<\/strong><\/a> v\u00e0 nhi\u1ec5u xuy\u00ean k\u00eanh gi\u1eefa c\u00e1c ch\u00e2n c\u1eafm \u0111\u1eb7t s\u00e1t nhau l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u n\u0103ng nhi\u1ec7t c\u1ea3i thi\u1ec7n:<\/strong> C\u00e1c b\u1ed9 n\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi v\u1eadt li\u1ec7u v\u00e0 c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3 t\u1ea3n nhi\u1ec7t t\u1eeb m\u00f4-\u0111un.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y \u0111\u00e3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 \u00e1p d\u1ee5ng c\u00e1c chu\u1ea9n b\u1ed9 n\u1ed1i th\u1ebf h\u1ec7 m\u1edbi. C\u00e1c <strong>QSFP-DD<\/strong> and <strong>OSFP-XD<\/strong> d\u1ea1ng h\u00ecnh (form factors) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t nh\u1eb1m \u0111\u00e1p \u1ee9ng s\u1ed1 l\u01b0\u1ee3ng k\u00eanh t\u1ed1c \u0111\u1ed9 cao t\u0103ng l\u00ean c\u1ea7n thi\u1ebft cho 1,6T v\u00e0 c\u00e1c th\u1ebf h\u1ec7 sau, cung c\u1ea5p m\u1ed9t giao di\u1ec7n d\u00e0y \u0111\u1eb7c v\u00e0 hi\u1ec7u n\u0103ng cao h\u01a1n so v\u1edbi ng\u01b0\u1eddi ti\u1ec1n nhi\u1ec7m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a ch\u00ednh c\u1ee7a c\u00e1c \u0111\u1ea7u n\u1ed1i do t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u ng\u00e0y c\u00e0ng t\u0103ng:<\/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;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u (tr\u00ean m\u1ed7i m\u00f4-\u0111un)<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>C\u00e1c d\u1ea1ng th\u00f4ng d\u1ee5ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Th\u00e1ch th\u1ee9c ch\u00ednh \u0111\u1ed1i v\u1edbi \u0111\u1ea7u n\u1ed1i<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>S\u1ef1 ti\u1ebfn h\u00f3a th\u1ebf h\u1ec7 ti\u1ebfp theo<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>400G<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP-DD, OSFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chuy\u1ec3n sang 8 k\u00eanh 50G PAM4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u0103ng s\u1ed1 l\u01b0\u1ee3ng ch\u00e2n \u0111\u1ec3 \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 cao h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>800G<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>QSFP-DD, OSFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1edf r\u1ed9ng l\u00ean 8 k\u00eanh 100G PAM4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u1ea3i thi\u1ec7n \u0111\u1eb7c t\u00ednh t\u00edn hi\u1ec7u v\u00e0 th\u00f4ng s\u1ed1 nhi\u1ec7t<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>6T<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>OSFP-XD<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00e0m ch\u1ee7 <strong>224G PAM4 tr\u00ean m\u1ed7i k\u00eanh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1eadt \u0111\u1ed9 t\u1ed1i \u0111a, t\u1ed5n hao t\u1ed1i thi\u1ec3u, qu\u1ea3n l\u00fd nhi\u1ec7t t\u00edch h\u1ee3p<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\ude80 \u0110\u1ea3m b\u1ea3o t\u00ednh s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai c\u1ee7a m\u1ea1ng: Vai tr\u00f2 c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7 \u0111\u1ed1i t\u00e1c chi\u1ebfn l\u01b0\u1ee3c<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u h\u01b0\u1edbng trong b\u1ed1i c\u1ea3nh ph\u1ee9c t\u1ea1p n\u00e0y v\u1ec1 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-cpo-optical-module-and-why-it-matters\/\"><strong>t\u00edch h\u1ee3p quang h\u1ecdc \u0111\u1ed3ng \u0111\u00f3ng g\u00f3i (co-packaged optics)<\/strong><\/a>, <strong>kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng cho 224G PAM4<\/strong>, v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ea7u n\u1ed1i \u0111ang thay \u0111\u1ed5i \u0111\u00f2i h\u1ecfi nhi\u1ec1u h\u01a1n l\u00e0 ch\u1ec9 mua c\u00e1c th\u00e0nh ph\u1ea7n. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t m\u1ed1i quan h\u1ec7 \u0111\u1ed1i t\u00e1c chi\u1ebfn l\u01b0\u1ee3c v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p \u0111i \u0111\u1ea7u trong c\u00f4ng ngh\u1ec7 n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t \u0111\u1ed1i t\u00e1c nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>, ng\u01b0\u1eddi \u0111\u1ea7u t\u01b0 m\u1ea1nh v\u00e0o nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n (R&amp;D) v\u00e0 hi\u1ec3u r\u00f5 s\u1ef1 t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p gi\u1eefa thi\u1ebft k\u1ebf b\u1ed9 thu ph\u00e1t quang, kh\u1ea3 n\u0103ng c\u1ee7a \u0111\u1ea7u n\u1ed1i v\u00e0 hi\u1ec7u n\u0103ng \u1edf c\u1ea5p \u0111\u1ed9 h\u1ec7 th\u1ed1ng, l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. Chuy\u00ean m\u00f4n c\u1ee7a h\u1ecd \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a b\u1ea1n h\u00f4m nay s\u1ebd t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ng\u00e0y mai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u2705 <\/strong><span class=\"qc-p1-tag\"><strong>B\u1ea1n c\u00f3 \u0111ang thi\u1ebft k\u1ebf cho t\u01b0\u01a1ng lai do AI th\u00fac \u0111\u1ea9y kh\u00f4ng?<\/strong><br\/><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(15, 17, 21);\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c l\u1eabn nhau gi\u1eefa c\u00e1c m\u00f4-\u0111un thu ph\u00e1t quang 1,6T v\u00e0 thi\u1ebft k\u1ebf \u0111\u1ea7u n\u1ed1i l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t m\u1ea1ng l\u01b0\u1edbi v\u1eefng ch\u1eafc, c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u n\u0103ng cao.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Nh\u1eefng th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u1ee7a b\u1ed9 thu ph\u00e1t quang 1.6T bao g\u1ed3m t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u, c\u00f4ng su\u1ea5t v\u00e0 l\u00e0m m\u00e1t, th\u00fac \u0111\u1ea9y m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng \u0111\u1ea7u n\u1ed1i nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/p>","protected":false},"author":1,"featured_media":4617,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[24,26],"class_list":["post-4618","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\/4618","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=4618"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4618\/revisions"}],"predecessor-version":[{"id":10973,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4618\/revisions\/10973"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4617"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}