{"id":4850,"date":"2025-09-27T11:12:00","date_gmt":"2025-09-27T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/importance-of-extinction-ratio-in-optical-transceivers\/"},"modified":"2026-06-22T06:40:10","modified_gmt":"2026-06-22T06:40:10","slug":"importance-of-extinction-ratio-in-optical-transceivers","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/importance-of-extinction-ratio-in-optical-transceivers","title":{"rendered":"T\u1ea7m quan tr\u1ecdng c\u1ee7a T\u1ef7 s\u1ed1 t\u1eaft m\u1edf (ER) trong c\u00e1c b\u1ed9 thu ph\u00e1t quang"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u2666 Gi\u1edbi thi\u1ec7u<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong truy\u1ec1n th\u00f4ng quang, hi\u1ec7u n\u0103ng kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng su\u1ea5t ph\u00e1t trung b\u00ecnh ho\u1eb7c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh b\u01b0\u1edbc s\u00f3ng m\u00e0 c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o <strong>\u0111\u1ed9 r\u00f5 n\u00e9t c\u1ee7a t\u00edn hi\u1ec7u quang b\u1ea3n th\u00e2n n\u00f3<\/strong>. M\u1ed9t trong nh\u1eefng th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u1ea5t x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 r\u00f5 n\u00e9t n\u00e0y l\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/extinction-ratio-importance-signal-quality-data-reliability\/\"><strong>T\u1ef7 s\u1ed1 t\u1eaft m\u00e1y (ER)<\/strong><\/a>. T\u1ef7 s\u1ed1 t\u1eaft (Extinction Ratio) \u0111\u1ecbnh ngh\u0129a m\u1ee9c \u0111\u1ed9 ph\u00e2n bi\u1ec7t gi\u1eefa tr\u1ea1ng th\u00e1i \u201cb\u1eadt\u201d (logic 1) v\u00e0 \u201ct\u1eaft\u201d (logic 0) c\u1ee7a b\u1ed9 ph\u00e1t quang, do \u0111\u00f3 l\u00e0 ch\u1ec9 b\u00e1o tr\u1ef1c ti\u1ebfp v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u trong c\u00e1c b\u1ed9 thu ph\u00e1t quang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2666 T\u1ef7 s\u1ed1 t\u1eaft (ER) l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ef7 s\u1ed1 t\u1eaft (ER) l\u00e0 t\u1ef7 s\u1ed1 gi\u1eefa c\u00f4ng su\u1ea5t quang khi b\u1ed9 ph\u00e1t \u1edf tr\u1ea1ng th\u00e1i <strong>logic 1 (P\u2081)<\/strong> v\u1edbi c\u00f4ng su\u1ea5t quang khi n\u00f3 \u1edf tr\u1ea1ng th\u00e1i <strong>logic 0 (P\u2080)<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"207\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/bc18549774ac44039b70d93839eeba9d-1024x207.webp\" alt=\"What is the Extinction Ratio (ER)?\" class=\"wp-image-4847\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/bc18549774ac44039b70d93839eeba9d-1024x207.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/bc18549774ac44039b70d93839eeba9d-300x61.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/bc18549774ac44039b70d93839eeba9d-768x156.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/bc18549774ac44039b70d93839eeba9d-18x4.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/bc18549774ac44039b70d93839eeba9d.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>ER cao:<\/strong> \u0110\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u1ea1nh h\u01a1n gi\u1eefa \u201cb\u1eadt\u201d v\u00e0 \u201ct\u1eaft\u201d, gi\u00fap t\u00edn hi\u1ec7u d\u1ec5 ph\u00e1t hi\u1ec7n h\u01a1n.<\/p><\/li>\n\n\n\n<li><p><strong>ER th\u1ea5p:<\/strong> \u0110\u1ed9 t\u01b0\u01a1ng ph\u1ea3n y\u1ebfu, d\u1eabn \u0111\u1ebfn kh\u00f3 ph\u00e2n bi\u1ec7t c\u00e1c bit.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u2666 V\u00ec sao ER quan tr\u1ecdng trong c\u00e1c module quang<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 nh\u1ea1y b\u1ed9 thu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ER cao c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u1ee7a <strong>b\u1ed9 thu trong vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i logic<\/strong>, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 nh\u1ea1y b\u1ed9 thu. ER k\u00e9m \u0111\u1ed3ng ngh\u0129a v\u1edbi bi\u00ean \u0111\u1ed9 \u0111i\u1ec1u ch\u1ebf quang (OMA) <strong>nh\u1ecf h\u01a1n<\/strong>, khi\u1ebfn b\u1ed9 thu kh\u00f3 di\u1ec5n gi\u1ea3i ch\u00ednh x\u00e1c d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/understanding-what-is-bit-error-rate\/\">T\u1ef7 l\u1ec7 L\u1ed7i Bit (BER)<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ER th\u1ea5p l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng sai l\u1ec7ch bit, d\u1eabn \u0111\u1ebfn BER cao h\u01a1n. ER \u0111\u1ee7 \u0111\u1ea3m b\u1ea3o truy\u1ec1n d\u1eabn kh\u00f4ng l\u1ed7i tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i ho\u1eb7c c\u00e1c li\u00ean k\u1ebft t\u1ed1c \u0111\u1ed9 cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, n\u01a1i c\u00e1c module quang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho Ethernet 10G, 25G, 100G ho\u1eb7c th\u1eadm ch\u00ed 400G, vi\u1ec7c duy tr\u00ec ER ph\u00f9 h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi \u0111\u1ed9 tin c\u1eady h\u1ec7 th\u1ed1ng v\u00e0 \u1ed5n \u0111\u1ecbnh hi\u1ec7u n\u0103ng trong d\u00e0i h\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2666 Y\u00eau c\u1ea7u \u0111i\u1ec3n h\u00ecnh v\u1ec1 T\u1ef7 s\u1ed1 t\u1eaft (ER)<\/h2>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 297px;\"\/><col style=\"width: 199px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p>Lo\u1ea1i m\u00f4-\u0111un quang<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"199\"><p>Y\u00eau c\u1ea7u ER<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>T\u00e0i li\u1ec7u tham chi\u1ebfu chu\u1ea9n<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475605.htm\"><strong>10GBASE-LR<\/strong><\/a><strong> (SMF, 10 km)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"199\"><p>\u2265 <strong>3,5 dB<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IEEE 802.3ae<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476054.htm\"><strong>10GBASE-ER<\/strong><\/a><strong> (SMF, 40 km)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"199\"><p>\u2265 <strong>4,0 dB<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IEEE 802.3ae<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p><strong>DWDM 10G \/ <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475855.htm\"><strong>ZR<\/strong><\/a><strong> (SMF, ~80 km)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"199\"><p>\u2265 <strong>8,2 dB<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>ITU-T G.959.1 \/ MSA<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"297\"><p><strong>Module PAM4 25G \/ 100G \/ 400G<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"199\"><p><strong>ER ngo\u00e0i \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh<\/strong> (\u2248 3,5\u20134 dB \u0111i\u1ec3n h\u00ecnh)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IEEE 802.3bm\/bs\/cd<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udccc Ghi ch\u00fa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1i <strong>LINK-PP<\/strong>, t\u1ea5t c\u1ea3 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">b\u1ed9 thu ph\u00e1t quang<\/a> \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m tra tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n IEEE v\u00e0 ITU. C\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 <strong>T\u1ef7 s\u1ed1 t\u1eaft m\u00e1y (ER)<\/strong>, OMA v\u00e0 \u0111\u1ed9 nh\u1ea1y <strong>\u0111\u01b0\u1ee3c ki\u1ec3m tra nghi\u00eam ng\u1eb7t<\/strong> v\u00e0 n\u00eau r\u00f5 trong b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt (datasheet) v\u00e0 b\u1ea3n v\u1ebd s\u1ea3n ph\u1ea9m. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/file\/datasheet\/ls-sm5510-40i.pdf\">\u2666 \u0110o l\u01b0\u1eddng v\u00e0 di\u1ec5n gi\u1ea3i ER.<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ER th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng m\u00e1y hi\u1ec7n s\u00f3ng trong khi laser \u0111ang truy\u1ec1n d\u1eef li\u1ec7u \u1edf t\u1ed1c \u0111\u1ed9 danh \u0111\u1ecbnh. Gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u trong b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a module. Vi\u1ec7c di\u1ec5n gi\u1ea3i ER c\u1ea7n k\u1ebft h\u1ee3p c\u00f9ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">c\u00f4ng su\u1ea5t trung b\u00ecnh v\u00e0 OMA <strong>, v\u00ec c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh hi\u1ec7u n\u0103ng t\u1ed5ng th\u1ec3 c\u1ee7a b\u1ed9 thu ph\u00e1t.<\/strong>, \u2666 T\u1ef7 s\u1ed1 t\u1eaft (ER) trong module quang LINK-PP.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 IEEE 802.3. M\u1ed7i b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a module n\u00eau r\u00f5 gi\u00e1 tr\u1ecb ER t\u1ed1i thi\u1ec3u, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u1eaft khe trong<\/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\/987d7a902633408b92fe4c5ebcce0f31.webp\" alt=\"LINK-PP Optical Modules\" class=\"wp-image-4848\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/987d7a902633408b92fe4c5ebcce0f31.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/987d7a902633408b92fe4c5ebcce0f31-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/987d7a902633408b92fe4c5ebcce0f31-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/987d7a902633408b92fe4c5ebcce0f31-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/987d7a902633408b92fe4c5ebcce0f31-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP cung c\u1ea5p m\u1ed9t lo\u1ea1t s\u1ea3n ph\u1ea9m r\u1ed9ng l\u1edbn <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">C\u00e1c m\u00f4-\u0111un SFP<\/a> , m\u1ea1ng 5G v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-data-center\/\">trung t\u00e2m d\u1eef li\u1ec7u<br><\/a>, Module SFP t\u1ea7m ng\u1eafn.<\/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\u00e2n b\u1eb1ng gi\u1eefa ER v\u00e0 c\u00f4ng su\u1ea5t nh\u1eb1m \u0111\u1ea1t hi\u1ec7u n\u0103ng cao v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd cho c\u00e1c \u1ee9ng d\u1ee5ng LAN.<\/strong> Module DWDM t\u1ea7m xa.<\/p><\/li>\n\n\n\n<li><p><strong>duy tr\u00ec gi\u00e1 tr\u1ecb ER cao h\u01a1n \u0111\u1ec3 b\u1ea3o to\u00e0n t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u tr\u00ean c\u00e1c k\u00eanh gh\u00e9p k\u00eanh.<\/strong> \u2666 K\u1ebft lu\u1eadn.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 tr\u00ean b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt\u2014m\u00e0 l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 hi\u1ec7u n\u0103ng then ch\u1ed1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>T\u1ef7 s\u1ed1 t\u1eaft m\u00e1y (ER)<\/strong> \u0111\u1ed9 nh\u1ea1y b\u1ed9 thu, t\u1ef7 l\u1ec7 l\u1ed7i bit (BER) v\u00e0 \u0111\u1ed9 tin c\u1eady t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng <strong>. Khi l\u1ef1a ch\u1ecdn module quang, k\u1ef9 s\u01b0 c\u1ea7n xem x\u00e9t ER c\u00f9ng v\u1edbi c\u00f4ng su\u1ea5t ph\u00e1t trung b\u00ecnh, OMA v\u00e0 \u0111\u1ed9 nh\u1ea1y b\u1ed9 thu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng m\u1ea1ng \u1ed5n \u0111\u1ecbnh.<\/strong>. , kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n tin t\u01b0\u1edfng v\u00e0o c\u00e1c gi\u00e1 tr\u1ecb ER \u0111\u00e1ng tin c\u1eady, \u0111\u00e1p \u1ee9ng ho\u1eb7c v\u01b0\u1ee3t m\u1ee9c c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, g\u00f3p ph\u1ea7n duy tr\u00ec truy\u1ec1n th\u00f4ng kh\u00f4ng l\u1ed7i trong c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng then ch\u1ed1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">c\u00e1c module quang LINK-PP<\/a>, kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 tin t\u01b0\u1edfng v\u00e0o c\u00e1c gi\u00e1 tr\u1ecb ER \u0111\u00e1ng tin c\u1eady \u0111\u00e1p \u1ee9ng ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, gi\u00fap duy tr\u00ec vi\u1ec7c truy\u1ec1n th\u00f4ng kh\u00f4ng l\u1ed7i trong c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao v\u00e0 m\u1ea1ng c\u00f3 t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng.<\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u l\u00fd do t\u1ea1i sao T\u1ef7 s\u1ed1 t\u1eaft m\u1edf (ER) l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 thu ph\u00e1t quang. Hi\u1ec3u c\u00e1ch ER \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 nh\u1ea1y c\u1ee7a b\u1ed9 thu, t\u1ef7 l\u1ec7 l\u1ed7i bit (BER) v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a module.<\/p>","protected":false},"author":1,"featured_media":4849,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-4850","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\/4850","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=4850"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4850\/revisions"}],"predecessor-version":[{"id":11057,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4850\/revisions\/11057"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4849"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}