{"id":6121,"date":"2025-05-14T00:00:00","date_gmt":"2025-05-14T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/optical-transceiver-performance-tests\/"},"modified":"2026-06-22T09:36:16","modified_gmt":"2026-06-22T09:36:16","slug":"optical-transceiver-performance-tests","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/optical-transceiver-performance-tests","title":{"rendered":"C\u00e1ch \u0110\u1ea3m B\u1ea3o Hi\u1ec7u Su\u1ea5t T\u00edn Hi\u1ec7u Quang \u1ed4n \u0110\u1ecbnh"},"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\/7be067a6f887451bb9af2a8c88ff0176.jpg\" alt=\"How to Ensure Reliable Optical Transceiver Performance\" class=\"wp-image-6118\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7be067a6f887451bb9af2a8c88ff0176.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7be067a6f887451bb9af2a8c88ff0176-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7be067a6f887451bb9af2a8c88ff0176-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7be067a6f887451bb9af2a8c88ff0176-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7be067a6f887451bb9af2a8c88ff0176-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1ng tin c\u1eady <a target=\"_blank\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a> Hi\u1ec7u su\u1ea5t gi\u00fap m\u1ea1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 tr\u00e1nh c\u00e1c gi\u00e1n \u0111o\u1ea1n t\u1ed1n k\u00e9m. Khi b\u1ed9 thu ph\u00e1t quang g\u1eb7p s\u1ef1 c\u1ed1, h\u1eadu qu\u1ea3 c\u00f3 th\u1ec3 r\u1ea5t nghi\u00eam tr\u1ecdng. V\u00ed d\u1ee5, c\u00e1c l\u1ed7i v\u1ec1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh b\u01b0\u1edbc s\u00f3ng, c\u00f4ng su\u1ea5t \u0111\u1ea7u ra ho\u1eb7c kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t d\u1eef li\u1ec7u, \u0111\u1ed9 tr\u1ec5 ho\u1eb7c h\u01b0 h\u1ecfng ph\u1ea7n c\u1ee9ng. T\u1ed5n th\u1ea5t chi ph\u00ed do th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng l\u00e0 r\u1ea5t l\u1edbn. C\u00e1c b\u00e0i ki\u1ec3m tra hi\u1ec7u su\u1ea5t b\u1ed9 thu ph\u00e1t quang \u0111\u1ecbnh k\u1ef3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh v\u00e0 gi\u00fap tr\u00e1nh nh\u1eefng r\u1ee7i ro t\u00e0i ch\u00ednh n\u00e0y. B\u1eb1ng c\u00e1ch \u01b0u ti\u00ean \u0111\u1ed9 tin c\u1eady, b\u1ea1n b\u1ea3o v\u1ec7 m\u1ea1ng c\u1ee7a m\u00ecnh v\u00e0 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao \u0110\u1ed9 tin c\u1eady c\u1ee7a B\u1ed9 thu ph\u00e1t quang l\u1ea1i Quan tr\u1ecdng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn Hi\u1ec7u su\u1ea5t M\u1ea1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1ng tin c\u1eady <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 n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u cao. Khi c\u00e1c b\u1ed9 thu ph\u00e1t b\u1ecb l\u1ed7i, ch\u00fang l\u00e0m gi\u00e1n \u0111o\u1ea1n lu\u1ed3ng d\u1eef li\u1ec7u, g\u00e2y ch\u1eadm tr\u1ec5 v\u00e0 l\u1ed7i. C\u00e1c ch\u1ec9 s\u1ed1 nh\u01b0 s\u1eeda l\u1ed7i sai tr\u01b0\u1edbc (forward error correction \u2013<strong>FEC<\/strong>) v\u00e0 t\u1ef7 s\u1ed1 t\u00edn hi\u1ec7u quang tr\u00ean nhi\u1ec5u (optical signal-to-noise ratio \u2013<strong>t\u1ed1i \u01b0u h\u00f3a t\u1ef7 s\u1ed1 t\u00edn hi\u1ec7u tr\u00ean nhi\u1ec5u quang (OSNR)<\/strong>) l\u00e0m n\u1ed5i b\u1eadt t\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 tin c\u1eady b\u1ed9 thu ph\u00e1t. FEC c\u1ea3i thi\u1ec7n OSNR, \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u ch\u00ednh x\u00e1c ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec5u. M\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng kh\u00e1c, t\u1ef7 l\u1ec7 kho\u1ea3ng c\u00e1ch\u2013dung l\u01b0\u1ee3ng (distance-capacity ratio), \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 khi truy\u1ec1n d\u1eef li\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i. Nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0y cho th\u1ea5y c\u00e1c b\u1ed9 thu ph\u00e1t \u0111\u00e1ng tin c\u1eady duy tr\u00ec giao ti\u1ebfp li\u1ec1n m\u1ea1ch v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\u1ee7i ro t\u1eeb c\u00e1c B\u1ed9 thu ph\u00e1t quang Kh\u00f4ng \u0111\u00e1ng tin c\u1eady<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u1ed9 thu ph\u00e1t quang kh\u00f4ng \u0111\u00e1ng tin c\u1eady \u0111\u1eb7t m\u1ea1ng c\u1ee7a b\u1ea1n v\u00e0o nh\u1eefng r\u1ee7i ro \u0111\u00e1ng k\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Th\u00e1ch th\u1ee9c v\u1ec1 t\u00ednh t\u01b0\u01a1ng th\u00edch<\/strong>: C\u00e1c b\u1ed9 thu ph\u00e1t kh\u00f4ng t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 g\u00e2y l\u1ed7i k\u1ebft n\u1ed1i ho\u1eb7c th\u1eadm ch\u00ed l\u00e0m h\u1ecfng ph\u1ea7n c\u1ee9ng.<\/p><\/li>\n\n\n\n<li><p><strong>Nhi\u1ec7t \u0111\u1ed9 v\u00e0 ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng<\/strong>: C\u00e1c b\u1ed9 thu ph\u00e1t t\u1ed1c \u0111\u1ed9 cao c\u00f3 th\u1ec3 qu\u00e1 n\u00f3ng, d\u1eabn \u0111\u1ebfn \u0111i\u1ec1u ti\u1ebft nhi\u1ec7t (thermal throttling) ho\u1eb7c h\u1ecfng h\u00f3c.<\/p><\/li>\n\n\n\n<li><p><strong>Nhi\u1ec5u t\u00edn hi\u1ec7u v\u00e0 suy hao<\/strong>: \u0110\u1ea7u n\u1ed1i b\u1ea9n ho\u1eb7c c\u00e1p ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p c\u00f3 th\u1ec3 g\u00e2y l\u1ed7i d\u1eef li\u1ec7u.<\/p><\/li>\n\n\n\n<li><p><strong>S\u1ea3n ph\u1ea9m gi\u1ea3 m\u1ea1o<\/strong>: C\u00e1c b\u1ed9 thu ph\u00e1t kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn th\u01b0\u1eddng kh\u00f4ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p><\/li>\n\n\n\n<li><p><strong>Suy gi\u1ea3m hi\u1ec7u n\u0103ng<\/strong>: Theo th\u1eddi gian, c\u00e1c b\u1ed9 thu ph\u00e1t trong m\u00f4i tr\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng cao c\u00f3 th\u1ec3 suy gi\u1ea3m, l\u00e0m gi\u1ea3m \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ee7 \u0111\u1ed9ng gi\u1ea3i quy\u1ebft nh\u1eefng r\u1ee7i ro n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u1ee7a b\u1ea1n lu\u00f4n \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vai tr\u00f2 c\u1ee7a C\u00e1c B\u00e0i ki\u1ec3m tra Hi\u1ec7u su\u1ea5t B\u1ed9 thu ph\u00e1t quang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u1ed9 thu ph\u00e1t quang<\/strong> C\u00e1c b\u00e0i ki\u1ec3m tra hi\u1ec7u su\u1ea5t \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c duy tr\u00ec \u0111\u1ed9 tin c\u1eady m\u1ea1ng. C\u00e1c b\u00e0i ki\u1ec3m tra n\u00e0y \u0111\u00e1nh gi\u00e1 b\u1ed9 thu ph\u00e1t d\u01b0\u1edbi nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh. V\u00ed d\u1ee5, c\u00e1c b\u1ed9 thu ph\u00e1t thi\u1ebft k\u1ebf cho m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng trong d\u1ea3i nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111oan. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau b\u1eadt c\u00e1c d\u1ea3i nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau v\u00e0 \u1ee9ng d\u1ee5ng t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang:<\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4 t\u1ea3<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 th\u01b0\u01a1ng m\u1ea1i<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng trung t\u00e2m d\u1eef li\u1ec7u \u0111i\u1ec3n h\u00ecnh n\u01a1i \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Extended Temperature Range<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi, n\u01a1i nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 xu\u1ed1ng d\u01b0\u1edbi \u0111i\u1ec3m \u0111\u00f3ng b\u0103ng ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 c\u00f4ng nghi\u1ec7p<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u00e0nh cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p c\u00f3 bi\u1ebfn thi\u00ean nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n \u0111\u1ecbnh k\u1ef3 c\u00e1c b\u00e0i ki\u1ec3m tra hi\u1ec7u su\u1ea5t b\u1ed9 thu ph\u00e1t quang, b\u1ea1n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n, gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c ch\u1ec9 s\u1ed1 ch\u00ednh trong B\u00e0i ki\u1ec3m tra Hi\u1ec7u su\u1ea5t B\u1ed9 thu ph\u00e1t quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c ch\u1ec9 s\u1ed1 ch\u00ednh trong b\u00e0i ki\u1ec3m tra <strong>hi\u1ec7u su\u1ea5t b\u1ed9 thu ph\u00e1t quang<\/strong> gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n m\u1ea1ng. C\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y cung c\u1ea5p th\u00f4ng tin chi ti\u1ebft v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 thu ph\u00e1t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau, \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00f4ng su\u1ea5t quang \u0111\u1ea7u ra<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00f4ng su\u1ea5t quang \u0111\u1ea7u ra<\/strong> \u0111o c\u00f4ng su\u1ea5t trung b\u00ecnh do b\u1ed9 ph\u00e1t ph\u00e1t ra trong \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. Ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ed9 ph\u00e1t cung c\u1ea5p \u0111\u1ee7 c\u00f4ng su\u1ea5t \u0111\u1ec3 t\u00edn hi\u1ec7u truy\u1ec1n \u0111i \u0111\u00fang kho\u1ea3ng c\u00e1ch m\u00e0 kh\u00f4ng b\u1ecb suy gi\u1ea3m. C\u00f4ng su\u1ea5t \u0111\u1ea7u ra kh\u00f4ng \u0111\u1ee7 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t t\u00edn hi\u1ec7u, trong khi c\u00f4ng su\u1ea5t qu\u00e1 cao c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng b\u1ed9 thu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ef7 s\u1ed1 t\u1eaft m\u1edf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>t\u1ef7 s\u1ed1 t\u1eaft m\u1edf (extinction ratio)<\/strong> \u0111o hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 thu ph\u00e1t trong vi\u1ec7c ph\u00e2n bi\u1ec7t gi\u1eefa hai m\u1ee9c logic \u20181\u2019 v\u00e0 \u20180\u2019. T\u1ef7 s\u1ed1 t\u1eaft (extinction ratio) c\u00e0ng cao cho th\u1ea5y \u0111\u1ed9 r\u00f5 n\u00e9t t\u00edn hi\u1ec7u c\u00e0ng t\u1ed1t, t\u1eeb \u0111\u00f3 gi\u1ea3m kh\u1ea3 n\u0103ng x\u1ea3y ra l\u1ed7i trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u. Ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao, n\u01a1i ngay c\u1ea3 nh\u1eefng m\u00e9o t\u00edn hi\u1ec7u nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 hi\u1ec7u su\u1ea5t nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ef7 l\u1ec7 L\u1ed7i Bit (BER)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>t\u1ef7 l\u1ec7 l\u1ed7i bit<\/strong> (<strong>BER<\/strong>) \u0111\u1ecbnh l\u01b0\u1ee3ng s\u1ed1 l\u1ed7i trong lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n. T\u1ef7 l\u1ec7 l\u1ed7i bit (BER) c\u00e0ng th\u1ea5p cho th\u1ea5y \u0111\u1ed9 ch\u00ednh x\u00e1c truy\u1ec1n c\u00e0ng cao \u2014 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t m\u1ea1ng. \u0110\u1ed1i v\u1edbi truy\u1ec1n th\u00f4ng quang \u0111\u00e1ng tin c\u1eady, ng\u01b0\u1ee1ng BER tr\u01b0\u1edbc FEC kh\u00f4ng n\u00ean v\u01b0\u1ee3t qu\u00e1 4,5E-3. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c c\u01a1 ch\u1ebf s\u1eeda l\u1ed7i nh\u01b0 FEC d\u1ea1ng b\u1eadc thang quy\u1ebft \u0111\u1ecbnh c\u1ee9ng (Hard-Decision Staircase FEC) c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 c\u00e1c l\u1ed7i.<\/p>\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\"><strong>\u0110\u1ed9 nh\u1ea1y b\u1ed9 thu<\/strong> x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 m\u00e0 b\u1ed9 thu c\u1ee7a b\u1ea1n <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> c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o. Ch\u1ec9 s\u1ed1 n\u00e0y \u0111o c\u00f4ng su\u1ea5t quang t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ed9 thu \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t t\u1ef7 l\u1ec7 l\u1ed7i bit (BER) nh\u1ea5t \u0111\u1ecbnh. Gi\u00e1 tr\u1ecb \u0111\u1ed9 nh\u1ea1y c\u00e0ng th\u1ea5p cho th\u1ea5y hi\u1ec7u su\u1ea5t c\u00e0ng t\u1ed1t, v\u00ec b\u1ed9 thu v\u1eabn ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 khi t\u00edn hi\u1ec7u y\u1ebfu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai lo\u1ea1i \u0111\u1ed9 nh\u1ea1y b\u1ed9 thu th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 trong c\u00e1c b\u00e0i ki\u1ec3m tra <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> hi\u1ec7u su\u1ea5t: \u0111\u1ed9 nh\u1ea1y b\u1ed9 thu trong \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng c\u0103ng th\u1eb3ng (unstressed receiver sensitivity) v\u00e0 \u0111\u1ed9 nh\u1ea1y b\u1ed9 thu trong \u0111i\u1ec1u ki\u1ec7n c\u0103ng th\u1eb3ng (stressed receiver sensitivity \u2013<strong>SRS<\/strong>). \u0110\u1ed9 nh\u1ea1y kh\u00f4ng c\u0103ng th\u1eb3ng \u0111o hi\u1ec7u su\u1ea5t b\u1ed9 thu trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng, trong khi SRS \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng x\u1eed l\u00fd t\u00edn hi\u1ec7u suy gi\u1ea3m \u2014 v\u00ed d\u1ee5 nh\u01b0 t\u00edn hi\u1ec7u b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u ho\u1eb7c m\u00e9o. C\u1ea3 hai ch\u1ec9 s\u1ed1 \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady trong c\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00e2n t\u00edch bi\u1ec3u \u0111\u1ed3 m\u1eaft (Eye Diagram)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ph\u00e2n t\u00edch bi\u1ec3u \u0111\u1ed3 m\u1eaft<\/strong> cung c\u1ea5p bi\u1ec3u di\u1ec5n tr\u1ef1c quan v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u trong <strong>b\u1ed9 thu ph\u00e1t quang<\/strong>. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 to\u00e0n v\u1eb9n c\u1ee7a c\u00e1c t\u00edn hi\u1ec7u truy\u1ec1n \u0111i b\u1eb1ng c\u00e1ch v\u1ebd bi\u1ec3u \u0111\u1ed3 c\u00e1c m\u1ee9c \u0111i\u1ec7n \u00e1p theo th\u1eddi gian. H\u00ecnh d\u1ea1ng \u201cm\u1eaft\u201d k\u1ebft qu\u1ea3 ti\u1ebft l\u1ed9 th\u00f4ng tin quan tr\u1ecdng v\u1ec1 th\u1eddi \u0111i\u1ec3m, bi\u00ean \u0111\u1ed9 v\u00e0 bi\u00ean d\u1ef1 ph\u00f2ng nhi\u1ec5u, khi\u1ebfn \u0111\u00e2y tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu cho \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy tr\u00ecnh ki\u1ec3m tra b\u1ed9 thu ph\u00e1t quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ki\u1ec3m tra b\u1ed9 thu ph\u00e1t quang nh\u1eb1m \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u n\u0103ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong m\u1ea1ng c\u1ee7a b\u1ea1n. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c quy tr\u00ecnh c\u00f3 c\u1ea5u tr\u00fac, b\u1ea1n c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n v\u00e0 duy tr\u00ec vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u li\u00ean t\u1ee5c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ch\u00ednh \u0111\u1ed1i v\u1edbi c\u1ea3 b\u1ed9 ph\u00e1t v\u00e0 b\u1ed9 thu, c\u00f9ng v\u1edbi c\u00e1c k\u1ef9 thu\u1eadt ph\u00e2n t\u00edch n\u00e2ng cao.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f32c49bb23f4e388a2b682de92d7d0a-1024x576.jpg\" alt=\"Testing Procedures for Optical Transceivers\" class=\"wp-image-6119\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f32c49bb23f4e388a2b682de92d7d0a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f32c49bb23f4e388a2b682de92d7d0a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f32c49bb23f4e388a2b682de92d7d0a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f32c49bb23f4e388a2b682de92d7d0a-1536x864.jpg 1536w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f32c49bb23f4e388a2b682de92d7d0a-2048x1152.jpg 2048w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/2f32c49bb23f4e388a2b682de92d7d0a-18x10.jpg 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra b\u1ed9 ph\u00e1t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra b\u1ed9 ph\u00e1t \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a <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> trong vi\u1ec7c g\u1eedi d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3. Qu\u00e1 tr\u00ecnh n\u00e0y t\u1eadp trung v\u00e0o c\u00e1c th\u00f4ng s\u1ed1 then ch\u1ed1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u v\u00e0 hi\u1ec7u n\u0103ng t\u1ed5ng th\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u0111\u1ec3 ki\u1ec3m tra b\u1ed9 ph\u00e1t:<\/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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4 t\u1ea3<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>C\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u b\u1ed9 ph\u00e1t<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u n\u0103ng t\u1ed5ng th\u1ec3; thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 ph\u00e1t.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ki\u1ec3m tra \u0111\u1ed9 m\u00e9o th\u1eddi gian (Jitter)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e2n t\u00edch c\u00e1c dao \u0111\u1ed9ng v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u; r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n v\u1ec1 m\u1ea5t t\u00edn hi\u1ec7u.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ki\u1ec3m tra m\u1eb7t n\u1ea1 m\u1eaft (Eye Mask)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u00e1nh gi\u00e1 c\u00e1c th\u00f4ng s\u1ed1 d\u1ea1ng s\u00f3ng quang, \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u c\u1ee7a b\u1ed9 ph\u00e1t.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Bi\u00ean \u0111\u1ed9 \u0111i\u1ec1u ch\u1ebf quang h\u1ecdc<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110o s\u1ef1 ch\u00eanh l\u1ec7ch c\u00f4ng su\u1ea5t quang; gi\u00fap \u0111\u00e1nh gi\u00e1 c\u00f4ng su\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1n v\u1eefng c\u1ee7a b\u1ed9 ph\u00e1t.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ki\u1ec3m tra t\u1ef7 s\u1ed1 t\u1eaft \u2013 b\u1eadt (Extinction Ratio)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>X\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m ph\u00e2n c\u1ef1c t\u1ed1i \u01b0u v\u00e0 hi\u1ec7u su\u1ea5t \u0111i\u1ec1u ch\u1ebf, y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi \u0111\u1ed9 tin c\u1eady c\u1ee7a b\u1ed9 ph\u00e1t.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra b\u1ed9 thu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra b\u1ed9 thu t\u1eadp trung v\u00e0o kh\u1ea3 n\u0103ng c\u1ee7a b\u1ed9 thu ph\u00e1t trong vi\u1ec7c ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd c\u00e1c t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o. B\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao. C\u00e1c kh\u00eda c\u1ea1nh then ch\u1ed1t c\u1ee7a ki\u1ec3m tra b\u1ed9 thu bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Ki\u1ec3m tra \u0111\u1ed9 nh\u1ea1y<\/strong>: \u0110o c\u00f4ng su\u1ea5t quang t\u1ed1i thi\u1ec3u m\u00e0 b\u1ed9 thu c\u1ea7n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 l\u1ed7i bit (BER) \u0111\u00e3 n\u00eau. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ed9 thu c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00edn hi\u1ec7u y\u1ebfu m\u00e0 kh\u00f4ng l\u00e0m suy gi\u1ea3m hi\u1ec7u n\u0103ng.<\/p><\/li>\n\n\n\n<li><p><strong>Ki\u1ec3m tra qu\u00e1 t\u1ea3i<\/strong>: \u0110\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng c\u1ee7a b\u1ed9 thu trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c t\u00edn hi\u1ec7u c\u00f3 c\u00f4ng su\u1ea5t cao m\u00e0 kh\u00f4ng b\u1ecb m\u00e9o ho\u1eb7c h\u01b0 h\u1ea1i.<\/p><\/li>\n\n\n\n<li><p><strong>Ki\u1ec3m tra \u0111\u1ed9 nh\u1ea1y b\u1ed9 thu d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n suy gi\u1ea3m (SRS)<\/strong>: Ki\u1ec3m tra hi\u1ec7u n\u0103ng c\u1ee7a b\u1ed9 thu trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u00edn hi\u1ec7u suy gi\u1ea3m, ch\u1eb3ng h\u1ea1n nh\u01b0 nhi\u1ec5u ho\u1eb7c m\u00e9o.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Bi\u1ec3u \u0111\u1ed3 m\u1eaft v\u00e0 ph\u00e2n t\u00edch \u0111\u1ed9 m\u00e9o th\u1eddi gian (jitter)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bi\u1ec3u \u0111\u1ed3 m\u1eaft v\u00e0 ph\u00e2n t\u00edch \u0111\u1ed9 m\u00e9o th\u1eddi gian (jitter) cung c\u1ea5p c\u00e1i nh\u00ecn s\u00e2u s\u1eafc h\u01a1n v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u trong <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>. C\u00e1c k\u1ef9 thu\u1eadt n\u00e0y bi\u1ec3u di\u1ec5n tr\u1ef1c quan \u0111\u1ed9 to\u00e0n v\u1eb9n c\u1ee7a c\u00e1c t\u00edn hi\u1ec7u truy\u1ec1n \u0111i, gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n nh\u01b0 m\u00e9o t\u00edn hi\u1ec7u ho\u1eb7c sai l\u1ec7ch th\u1eddi \u0111i\u1ec3m.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Ph\u00e2n t\u00edch bi\u1ec3u \u0111\u1ed3 m\u1eaft (Eye Diagram)<\/strong>: Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y v\u1ebd bi\u1ec3u \u0111\u1ed3 c\u00e1c m\u1ee9c \u0111i\u1ec7n \u00e1p theo th\u1eddi gian \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u00ecnh d\u1ea1ng \u201cm\u1eaft\u201d. C\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 chi\u1ec1u cao m\u1eaft, chi\u1ec1u r\u1ed9ng m\u1eaft v\u00e0 bi\u00ean d\u1ef1 ph\u00f2ng nhi\u1ec5u ti\u1ebft l\u1ed9 th\u00f4ng tin quan tr\u1ecdng v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u, th\u1eddi \u0111i\u1ec3m v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec5u. M\u1ed9t h\u00ecnh \u201cm\u1eaft\u201d r\u1ed9ng v\u00e0 m\u1edf cho th\u1ea5y t\u00edn hi\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao, trong khi h\u00ecnh \u201cm\u1eaft\u201d h\u1eb9p ho\u1eb7c \u0111\u00f3ng l\u1ea1i cho th\u1ea5y c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n.<\/p><\/li>\n\n\n\n<li><p><strong>Ph\u00e2n t\u00edch \u0111\u1ed9 m\u00e9o th\u1eddi gian (Jitter)<\/strong>: \u0110\u1ed9 m\u00e9o th\u1eddi gian (jitter) \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1c bi\u1ebfn thi\u00ean v\u1ec1 th\u1eddi \u0111i\u1ec3m trong c\u00e1c chuy\u1ec3n ti\u1ebfp t\u00edn hi\u1ec7u. \u0110\u1ed9 m\u00e9o th\u1eddi gian qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i d\u1eef li\u1ec7u v\u00e0 l\u00e0m gi\u1ea3m \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch \u0111\u1ed9 m\u00e9o th\u1eddi gian, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a c\u00e1c b\u1ea5t th\u01b0\u1eddng v\u1ec1 th\u1eddi \u0111i\u1ec3m v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng \u0111\u00e1nh gi\u00e1 c\u00e1ch <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t. C\u00e1c b\u00e0i ki\u1ec3m tra n\u00e0y m\u00f4 ph\u1ecfng c\u00e1c th\u00e1ch th\u1ee9c th\u1ef1c t\u1ebf, \u0111\u1ea3m b\u1ea3o b\u1ed9 thu ph\u00e1t c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t m\u00e0 kh\u00f4ng l\u00e0m suy gi\u1ea3m \u0111\u1ed9 tin c\u1eady. B\u1eb1ng c\u00e1ch ti\u1ebfn h\u00e0nh c\u00e1c b\u00e0i ki\u1ec3m tra n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m y\u1ebfu v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n m\u1ea1ng.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng ch\u1ee7 y\u1ebfu<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 tin c\u1eady c\u1ee7a b\u1ed9 thu ph\u00e1t d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng. M\u1ed7i b\u00e0i ki\u1ec3m tra nh\u1eafm v\u00e0o nh\u1eefng th\u00e1ch th\u1ee9c c\u1ee5 th\u1ec3 m\u00e0 b\u1ed9 thu ph\u00e1t c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Chu k\u1ef3 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9<\/strong>: B\u00e0i ki\u1ec3m tra n\u00e0y ph\u01a1i b\u00e0y b\u1ed9 thu ph\u00e1t tr\u01b0\u1edbc c\u00e1c l\u1ea7n thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n nh\u01b0 l\u1eafp \u0111\u1eb7t ngo\u00e0i tr\u1eddi ho\u1eb7c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p. B\u00e0i ki\u1ec3m tra n\u00e0y x\u00e1c \u0111\u1ecbnh s\u1ef1 m\u1ec7t m\u1ecfi c\u01a1 h\u1ecdc do s\u1ef1 ch\u00eanh l\u1ec7ch gi\u00e3n n\u1edf nhi\u1ec7t, \u0111\u1ea3m b\u1ea3o c\u00e1c th\u00e0nh ph\u1ea7n v\u1eabn \u1ed5n \u0111\u1ecbnh theo th\u1eddi gian.<\/p><\/li>\n\n\n\n<li><p><strong>B\u00e0i ki\u1ec3m tra \u0111\u1ed9 \u1ea9m cao<\/strong>: \u0110\u1ed9 \u1ea9m c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m <strong>b\u1ed9 thu ph\u00e1t quang<\/strong>, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c kh\u00ed h\u1eadu \u1ea9m \u01b0\u1edbt. B\u00e0i ki\u1ec3m tra n\u00e0y \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu c\u1ee7a ch\u00fang tr\u01b0\u1edbc c\u00e1c b\u1ea7u kh\u00f4ng kh\u00ed ch\u1ee9a nhi\u1ec1u \u0111\u1ed9 \u1ea9m, \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng l\u00e2u d\u00e0i trong c\u00e1c m\u00f4i tr\u01b0\u1eddng k\u00edn.<\/p><\/li>\n\n\n\n<li><p><strong>B\u00e0i ki\u1ec3m tra tu\u1ed5i th\u1ecd<\/strong>: C\u00e1c b\u00e0i ki\u1ec3m tra tu\u1ed5i th\u1ecd t\u0103ng t\u1ed1c m\u00f4 ph\u1ecfng h\u00e0ng th\u1eadp k\u1ef7 v\u1eadn h\u00e0nh trong m\u1ed9t kho\u1ea3ng th\u1eddi gian ng\u1eafn. C\u00e1c b\u00e0i ki\u1ec3m tra n\u00e0y x\u00e1c nh\u1eadn \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a b\u1ed9 thu ph\u00e1t, gi\u00fap b\u1ea1n d\u1ef1 \u0111o\u00e1n tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3.<\/p><\/li>\n\n\n\n<li><p><strong>B\u00e0i ki\u1ec3m tra th\u1ef1c t\u1ebf (Live Tests)<\/strong>: C\u00e1c t\u00edn hi\u1ec7u s\u1ed1 t\u1ed1c \u0111\u1ed9 cao g\u00e2y \u00e1p l\u1ef1c l\u00ean b\u1ed9 thu ph\u00e1t trong c\u00e1c b\u00e0i ki\u1ec3m tra th\u1ef1c t\u1ebf. C\u00e1c b\u00e0i ki\u1ec3m tra n\u00e0y \u0111o t\u1ef7 l\u1ec7 l\u1ed7i bit trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 trong c\u00e1c t\u00ecnh hu\u1ed1ng \u0111\u00f2i h\u1ecfi cao.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m tra t\u01b0\u01a1ng th\u00edch v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra t\u01b0\u01a1ng th\u00edch v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c \u0111\u1ea3m b\u1ea3o <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> c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n m\u1ea1ng kh\u00e1c. C\u00e1c b\u00e0i ki\u1ec3m tra n\u00e0y x\u00e1c minh r\u1eb1ng b\u1ed9 thu ph\u00e1t \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch tr\u00ean nhi\u1ec1u h\u1ec7 th\u1ed1ng kh\u00e1c nhau, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 th\u1ea5t b\u1ea1i k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Ki\u1ec3m th\u1eed t\u00ednh t\u01b0\u01a1ng th\u00edch<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra t\u01b0\u01a1ng th\u00edch \u0111\u1ea3m b\u1ea3o b\u1ed9 thu ph\u00e1t c\u1ee7a b\u1ea1n ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1eb7c t\u1ea3 c\u1ee7a c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 c\u00e1p c\u1ee7a b\u1ea1n. B\u01b0\u1edbc n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 ng\u0103n ng\u1eeba c\u00e1c chi ph\u00ed s\u1eeda ch\u1eefa t\u1ed1n k\u00e9m.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch ho\u1ea1t \u0111\u1ed9ng<br><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 t\u00edch h\u1ee3p t\u1ed1t c\u1ee7a c\u00e1c b\u1ed9 thu ph\u00e1t quang v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111a nh\u00e0 cung c\u1ea5p. C\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n t\u1eeb nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c nhau. C\u00e1c b\u00e0i ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c x\u00e1c nh\u1eadn r\u1eb1ng b\u1ed9 thu ph\u00e1t quang c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 giao ti\u1ebfp hi\u1ec7u qu\u1ea3 tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng kh\u00e1c nhau, duy tr\u00ec vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u tr\u01a1n tru.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra n\u00e0y, b\u1ea1n b\u1ea3o v\u1ec7 m\u1ea1ng c\u1ee7a m\u00ecnh kh\u1ecfi c\u00e1c s\u1ef1 c\u1ed1 v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a <strong>b\u1ed9 thu ph\u00e1t quang<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c m\u1eb9o th\u1ef1c ti\u1ec5n nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i c\u1ee7a <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> \u0111\u00f2i h\u1ecfi vi\u1ec7c ch\u0103m s\u00f3c nh\u1ea5t qu\u00e1n v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh. B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau, b\u1ea1n c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a b\u1ed9 thu ph\u00e1t quang v\u00e0 duy tr\u00ec hi\u1ec7u su\u1ea5t m\u1ea1ng \u1edf m\u1ee9c t\u1ed1i \u01b0u.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p><strong>Ki\u1ec3m tra v\u00e0 l\u00e0m s\u1ea1ch \u0111\u1ea7u n\u1ed1i \u0111\u1ecbnh k\u1ef3<\/strong><br>B\u1ee5i b\u1ea9n v\u00e0 m\u1ea3nh v\u1ee5n b\u00e1m tr\u00ean \u0111\u1ea7u n\u1ed1i c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u. S\u1eed d\u1ee5ng kh\u0103n lau kh\u00f4ng x\u01a1 v\u00e0 c\u1ed3n isopropyl \u0111\u1ec3 l\u00e0m s\u1ea1ch \u0111\u1ea7u n\u1ed1i trong c\u00e1c l\u1ea7n ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3. B\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n n\u00e0y gi\u00fap ng\u0103n ng\u1eeba m\u1ea5t t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady.<\/p><\/li>\n\n\n\n<li><p><strong>S\u1eafp x\u1ebfp d\u00e2y c\u00e1p m\u1ed9t c\u00e1ch h\u1ee3p l\u00fd<\/strong><br>D\u00e2y c\u00e1p r\u1ed1i ho\u1eb7c \u0111i d\u00e2y kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ea1i v\u1eadt l\u00fd cho b\u1ed9 thu ph\u00e1t quang. H\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 qu\u1ea3n l\u00fd c\u00e1p nh\u01b0 d\u00e2y bu\u1ed9c ho\u1eb7c khay c\u00e1p \u0111\u1ec3 gi\u1eef d\u00e2y c\u00e1p g\u1ecdn g\u00e0ng v\u00e0 an to\u00e0n. Vi\u1ec7c s\u1eafp x\u1ebfp h\u1ee3p l\u00fd gi\u00fap gi\u1ea3m l\u1ef1c c\u0103ng l\u00ean \u0111\u1ea7u n\u1ed1i v\u00e0 h\u1ea1n ch\u1ebf nguy c\u01a1 h\u01b0 h\u1ecfng do v\u00f4 \u00fd.<\/p><\/li>\n\n\n\n<li><p><strong>V\u1eadn h\u00e0nh trong gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 cho ph\u00e9p<\/strong><br>Nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111oan c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho b\u1ed9 thu ph\u00e1t quang. Lu\u00f4n ki\u1ec3m tra d\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng do nh\u00e0 s\u1ea3n xu\u1ea5t quy \u0111\u1ecbnh v\u00e0 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n lu\u00f4n n\u1eb1m trong gi\u1edbi h\u1ea1n n\u00e0y. S\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t ho\u1eb7c m\u00f4i tr\u01b0\u1eddng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 tr\u00e1nh qu\u00e1 nhi\u1ec7t.<\/p><\/li>\n\n\n\n<li><p><strong>Gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t theo th\u1eddi gian th\u1ef1c<\/strong><br>Nhi\u1ec1u b\u1ed9 thu ph\u00e1t quang \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p c\u00e1c t\u00ednh n\u0103ng ch\u1ea9n \u0111o\u00e1n nh\u01b0 Gi\u00e1m s\u00e1t ch\u1ea9n \u0111o\u00e1n k\u1ef9 thu\u1eadt s\u1ed1 (DDM). H\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 theo d\u00f5i c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec7n \u00e1p v\u00e0 c\u00f4ng su\u1ea5t quang. Vi\u1ec7c gi\u00e1m s\u00e1t theo th\u1eddi gian th\u1ef1c gi\u00fap b\u1ea1n ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1 tr\u01b0\u1edbc khi ch\u00fang tr\u1edf n\u00ean nghi\u00eam tr\u1ecdng.<\/p><\/li>\n\n\n\n<li><p><strong>C\u1eadp nh\u1eadt firmware th\u01b0\u1eddng xuy\u00ean<\/strong><br>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ph\u00e1t h\u00e0nh c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt firmware nh\u1eb1m c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111\u00e3 bi\u1ebft. H\u00e3y lu\u00f4n c\u1eadp nh\u1eadt b\u1ed9 thu ph\u00e1t quang c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang v\u1eadn h\u00e0nh hi\u1ec7u qu\u1ea3 v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 m\u1ea1ng m\u1edbi nh\u1ea5t.<\/p><\/li>\n\n\n\n<li><p><strong>S\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn v\u00e0 t\u01b0\u01a1ng th\u00edch<\/strong><br>Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn v\u00e0 t\u01b0\u01a1ng th\u00edch \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ed9 thu ph\u00e1t quang c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh v\u00e0 v\u1eadn h\u00e0nh m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady.<\/p><\/li>\n\n\n\n<li><p><strong>H\u1ee3p t\u00e1c v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn<\/strong><br>Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady cho <a href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\" target=\"_blank\" rel=\"\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a> l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu nh\u1eb1m duy tr\u00ec hi\u1ec7u su\u1ea5t m\u1ea1ng. C\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn cung c\u1ea5p s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng cao, ti\u1ebfn h\u00e0nh ki\u1ec3m tra nghi\u00eam ng\u1eb7t v\u00e0 h\u1ed7 tr\u1ee3 li\u00ean t\u1ee5c. V\u00ed d\u1ee5, <strong>LINK-PP<\/strong> chuy\u00ean v\u1ec1 c\u00e1c m\u00f4-\u0111un quang ti\u00ean ti\u1ebfn d\u00e0nh cho m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p><\/li>\n\n\n\n<li><p><strong>B\u1ea3o qu\u1ea3n b\u1ed9 thu ph\u00e1t quang \u0111\u00fang c\u00e1ch<\/strong><br>Khi kh\u00f4ng s\u1eed d\u1ee5ng, h\u00e3y b\u1ea3o qu\u1ea3n b\u1ed9 thu ph\u00e1t quang trong t\u00fai ch\u1ed1ng t\u0129nh \u0111i\u1ec7n v\u00e0 tr\u00e1nh \u0111\u1ec3 ch\u00fang ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111oan. Vi\u1ec7c b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch gi\u00fap b\u1ea3o v\u1ec7 ch\u00fang kh\u1ecfi c\u00e1c h\u01b0 h\u1ea1i do y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd.<\/p><\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>L\u1eddi khuy\u00ean<\/strong>: Vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t n\u00e0y kh\u00f4ng ch\u1ec9 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady m\u00e0 c\u00f2n gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec theo th\u1eddi gian. M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn ch\u1ee7 \u0111\u1ed9ng \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u1ee7a b\u1ea1n v\u1eadn h\u00e0nh tr\u01a1n tru v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1ng tin c\u1eady <strong>b\u1ed9 thu ph\u00e1t quang<\/strong> Hi\u1ec7u su\u1ea5t \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u1ee7a b\u1ea1n v\u1eadn h\u00e0nh hi\u1ec7u qu\u1ea3 v\u00e0 tr\u00e1nh c\u00e1c gi\u00e1n \u0111o\u1ea1n t\u1ed1n k\u00e9m. Vi\u1ec7c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3, tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, b\u1ea3o tr\u00ec ch\u1ee7 \u0111\u1ed9ng v\u00e0 l\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady (nh\u01b0 <strong>LINK-PP<\/strong>) l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 tin c\u1eady n\u00e0y.<\/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\/glossary\/wdm-optical-transceiver-module-applications\/\">T\u00ecm hi\u1ec3u v\u1ec1 WDM v\u00e0 vai tr\u00f2 c\u1ee7a n\u00f3 trong m\u1ea1ng quang<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/optical-module-classification\/\">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>\u0110\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u00edn hi\u1ec7u quang \u1ed5n \u0111\u1ecbnh b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c b\u00e0i ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 \u0111\u1ed1i v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 t\u1ef7 l\u1ec7 l\u1ed7i bit (BER), t\u1ef7 s\u1ed1 t\u1eaft m\u1edf (extinction ratio) v\u00e0 \u0111\u1ed9 nh\u1ea1y b\u1ed9 thu (receiver sensitivity) \u0111\u1ec3 tr\u00e1nh gi\u00e1n \u0111o\u1ea1n m\u1ea1ng.<\/p>","protected":false},"author":1,"featured_media":6120,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-6121","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\/6121","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=6121"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6121\/revisions"}],"predecessor-version":[{"id":11504,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/6121\/revisions\/11504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/6120"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=6121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=6121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=6121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}