{"id":4814,"date":"2025-09-29T11:12:00","date_gmt":"2025-09-29T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/receiver-overload-causes-symptoms-prevention-tips\/"},"modified":"2026-06-22T06:37:10","modified_gmt":"2026-06-22T06:37:10","slug":"receiver-overload-causes-symptoms-prevention-tips","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/receiver-overload-causes-symptoms-prevention-tips","title":{"rendered":"Qu\u00e1 t\u1ea3i b\u1ed9 thu: Nguy\u00ean nh\u00e2n, \u1ea3nh h\u01b0\u1edfng v\u00e0 c\u00e1ch b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1312\" height=\"736\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35cee487093e4067a6a91ef7ac17e39d.webp\" alt=\"Receiver Overload\" class=\"wp-image-4812\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35cee487093e4067a6a91ef7ac17e39d.webp 1312w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35cee487093e4067a6a91ef7ac17e39d-300x168.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35cee487093e4067a6a91ef7ac17e39d-1024x574.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35cee487093e4067a6a91ef7ac17e39d-768x431.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35cee487093e4067a6a91ef7ac17e39d-18x10.webp 18w\" sizes=\"(max-width: 1312px) 100vw, 1312px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1 n\u0103ng \u0111\u1ed9ng ng\u00e0y nay, <strong>qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong> l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng, g\u00e2y m\u1ea5t d\u1eef li\u1ec7u v\u00e0 d\u1eabn \u0111\u1ebfn th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1n k\u00e9m. B\u00e0i \u0111\u0103ng blog n\u00e0y \u0111i s\u00e2u v\u00e0o vi\u1ec7c gi\u1ea3i th\u00edch qu\u00e1 t\u1ea3i b\u1ed9 thu l\u00e0 g\u00ec, l\u00fd do x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p th\u1ef1c ti\u1ec5n \u0111\u1ec3 ng\u0103n ch\u1eb7n n\u00f3. Ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 nh\u1eefng ch\u1ee7 \u0111\u1ec1 c\u00f3 t\u00e1c \u0111\u1ed9ng cao nh\u01b0 x\u1eed l\u00fd t\u00edn hi\u1ec7u, qu\u1ea3n l\u00fd nhi\u1ec5u v\u00e0 vai tr\u00f2 c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn <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>. Ngo\u00e0i ra, h\u00e3y kh\u00e1m ph\u00e1 c\u00e1ch <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a>\u2018c\u00e1c s\u1ea3n ph\u1ea9m s\u00e1ng t\u1ea1o c\u1ee7a  c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m thi\u1ec3u nh\u1eefng r\u1ee7i ro n\u00e0y. D\u00f9 b\u1ea1n \u0111ang l\u00e0m vi\u1ec7c trong l\u0129nh v\u1ef1c CNTT, vi\u1ec5n th\u00f4ng hay k\u1ef9 thu\u1eadt, h\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd trang b\u1ecb cho b\u1ea1n nh\u1eefng hi\u1ec3u bi\u1ebft kh\u1ea3 thi nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh. H\u00e3y b\u1eaft \u0111\u1ea7u ngay!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc Gi\u1edbi thi\u1ec7u: Qu\u00e1 t\u1ea3i b\u1ed9 thu l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong> x\u1ea3y ra khi m\u1ed9t thi\u1ebft b\u1ecb thu, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9 thu radio, giao di\u1ec7n m\u1ea1ng ho\u1eb7c <strong>m\u00f4-\u0111un quang<\/strong>, ti\u1ebfp x\u00fac v\u1edbi t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng x\u1eed l\u00fd \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1eb5n c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u00e9o t\u00edn hi\u1ec7u, sai l\u1ec7ch d\u1eef li\u1ec7u ho\u1eb7c th\u1eadm ch\u00ed h\u01b0 h\u1ecfng ph\u1ea7n c\u1ee9ng. Trong k\u1ef7 nguy\u00ean k\u1ebft n\u1ed1i ch\u1eb7t ch\u1ebd ng\u00e0y nay, c\u00f9ng v\u1edbi s\u1ef1 gia t\u0103ng c\u1ee7a <strong>5G<\/strong>, <strong>IoT<\/strong>, and <strong>c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao<\/strong>, vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 ng\u0103n ng\u1eeba qu\u00e1 t\u1ea3i b\u1ed9 thu tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n bao gi\u1edd h\u1ebft. Theo c\u00e1c b\u00e1o c\u00e1o ng\u00e0nh, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u nh\u01b0 qu\u00e1 t\u1ea3i chi\u1ebfm t\u1edbi 30% t\u1ed5ng s\u1ed1 s\u1ef1 c\u1ed1 m\u1ea1ng, nh\u1ea5n m\u1ea1nh nhu c\u1ea7u c\u1ea5p thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p b\u1ec1n v\u1eefng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111\u1ec1 c\u1eadp nh\u1eefng n\u1ed9i dung c\u1ed1t l\u00f5i v\u1ec1 qu\u00e1 t\u1ea3i b\u1ed9 thu, bao g\u1ed3m c\u00e1c nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5, \u1ea3nh h\u01b0\u1edfng th\u1ef1c t\u1ebf v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u00f2ng ng\u1eeba. Ch\u00fang ta c\u0169ng s\u1ebd t\u1eadp trung v\u00e0o c\u00e1c m\u00f4-\u0111un quang\u2014nh\u1eefng th\u00e0nh ph\u1ea7n then ch\u1ed1t trong h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng hi\u1ec7n \u0111\u1ea1i\u2014v\u00e0 c\u00e1ch c\u00e1c th\u01b0\u01a1ng hi\u1ec7u nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a> \u0111ang d\u1eabn \u0111\u1ea7u v\u1edbi c\u00e1c thi\u1ebft k\u1ebf ch\u1ed1ng qu\u00e1 t\u1ea3i. \u0110\u1ebfn cu\u1ed1i b\u00e0i, b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t l\u1ed9 tr\u00ecnh r\u00f5 r\u00e0ng \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc Hi\u1ec3u v\u1ec1 qu\u00e1 t\u1ea3i b\u1ed9 thu: Nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 b\u1ea3n ch\u1ea5t, <strong>qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong> l\u00e0 m\u1ed9t d\u1ea1ng b\u00e3o h\u00f2a t\u00edn hi\u1ec7u, khi m\u1ee9c c\u00f4ng su\u1ea5t \u0111\u1ea7u v\u00e0o v\u01b0\u1ee3t qu\u00e1 d\u1ea3i \u0111\u1ed9ng c\u1ee7a b\u1ed9 thu. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra trong nhi\u1ec1u h\u1ec7 th\u1ed1ng, t\u1eeb thi\u1ebft b\u1ecb \u00e2m thanh \u0111\u1ebfn m\u1ea1ng quang s\u1ee3i. C\u00e1c bi\u1ec3u hi\u1ec7n ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>M\u00e9o t\u00edn hi\u1ec7u v\u00e0 nhi\u1ec5u<\/strong>: T\u00edn hi\u1ec7u tr\u1edf n\u00ean nhi\u1ec5u lo\u1ea1n, l\u00e0m gi\u1ea3m \u0111\u1ed9 r\u00f5 n\u00e9t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 nh\u1ea1y gi\u1ea3m<\/strong>: B\u1ed9 thu g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c t\u00edn hi\u1ec7u y\u1ebfu h\u01a1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>H\u01b0 h\u1ecfng ph\u1ea7n c\u1ee9ng<\/strong>: Qu\u00e1 t\u1ea3i k\u00e9o d\u00e0i c\u00f3 th\u1ec3 l\u00e0m ch\u00e1y c\u00e1c linh ki\u1ec7n.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec sao \u0111i\u1ec1u n\u00e0y l\u1ea1i quan tr\u1ecdng? Trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 vi\u1ec5n th\u00f4ng v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, qu\u00e1 t\u1ea3i b\u1ed9 thu c\u00f3 th\u1ec3 lan r\u1ed9ng th\u00e0nh c\u00e1c s\u1ef1 c\u1ed1 d\u1ecbch v\u1ee5, l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh t\u0103ng cao. V\u00ed d\u1ee5, trong c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng quang, m\u1ed9t b\u1ed9 thu b\u1ecb qu\u00e1 t\u1ea3i c\u00f3 th\u1ec3 di\u1ec5n gi\u1ea3i sai c\u00e1c g\u00f3i d\u1eef li\u1ec7u, d\u1eabn \u0111\u1ebfn vi\u1ec7c truy\u1ec1n l\u1ea1i v\u00e0 \u0111\u1ed9 tr\u1ec5.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>C\u00e1c nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u y\u1ebfu t\u1ed1 g\u00f3p ph\u1ea7n g\u00e2y ra qu\u00e1 t\u1ea3i b\u1ed9 thu, th\u01b0\u1eddng t\u01b0\u01a1ng t\u00e1c ph\u1ee9c t\u1ea1p trong m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>B\u1ed9 ph\u00e1t c\u00f4ng su\u1ea5t cao<\/strong>: C\u00e1c thi\u1ebft b\u1ecb ph\u00e1t g\u1ea7n \u0111\u00f3 c\u00f3 th\u1ec3 \u00e1p \u0111\u1ea3o b\u1ed9 thu.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Nhi\u1ec5u m\u00f4i tr\u01b0\u1eddng<\/strong>: Nhi\u1ec5u \u0111i\u1ec7n t\u1eeb ph\u00e1t sinh t\u1eeb c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Sai l\u1ec7ch h\u1ec7 th\u1ed1ng<\/strong>: C\u00e1c thi\u1ebft l\u1eadp tr\u1edf kh\u00e1ng ho\u1eb7c \u0111\u1ed9 khu\u1ebfch \u0111\u1ea1i ch\u01b0a \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Linh ki\u1ec7n gi\u00e0 h\u00f3a<\/strong>: C\u00e1c b\u1ed9 ph\u1eadn suy gi\u1ea3m d\u1ea7n kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng theo th\u1eddi gian.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 minh h\u1ecda, h\u00e3y xem b\u1ea3ng so s\u00e1nh c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ed5 bi\u1ebfn sau:<\/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><strong>T\u00ecnh hu\u1ed1ng<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Nguy\u00ean nh\u00e2n g\u00e2y qu\u00e1 t\u1ea3i<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>\u1ea2nh h\u01b0\u1edfng \u0111i\u1ec3n h\u00ecnh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>M\u1eb9o ph\u00f2ng ng\u1eeba<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u00edn hi\u1ec7u li\u1ec1n k\u1ec1 m\u1ea1nh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>B\u1ed9 ph\u00e1t c\u00f4ng su\u1ea5t cao<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1eb7n t\u00edn hi\u1ec7u<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc ho\u1eb7c b\u1ed9 suy hao<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>T\u1eafc ngh\u1ebdn m\u1ea1ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Qu\u00e1 t\u1ea3i do lu\u1ed3ng d\u1eef li\u1ec7u \u0111\u1ed9t bi\u1ebfn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea5t g\u00f3i tin<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tri\u1ec3n khai ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng (traffic shaping)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>S\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng quang<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ea7u v\u00e0o \u00e1nh s\u00e1ng qu\u00e1 m\u1ee9c<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u00e1y b\u1ed9 thu<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tri\u1ec3n khai m\u1ea1ch gi\u1edbi h\u1ea1n quang h\u1ecdc<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh s\u1edbm nh\u1eefng nguy\u00ean nh\u00e2n n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc ph\u00f2ng tr\u00e1nh th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc \u1ea2nh h\u01b0\u1edfng c\u1ee7a qu\u00e1 t\u1ea3i b\u1ed9 thu l\u00ean c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t b\u1ea5t ti\u1ec7n nh\u1ecf\u2014m\u00e0 c\u00f2n c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 s\u00e2u r\u1ed9ng. Trong c\u00e1c \u1ee9ng d\u1ee5ng then ch\u1ed1t nh\u01b0 gi\u00e1m s\u00e1t y t\u1ebf, giao d\u1ecbch t\u00e0i ch\u00ednh ho\u1eb7c xe t\u1ef1 h\u00e0nh, th\u1eadm ch\u00ed m\u1ed9t l\u1ea7n qu\u00e1 t\u1ea3i ng\u1eafn ng\u1ee7i c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi ph\u1ea1m d\u1eef li\u1ec7u ho\u1eb7c r\u1ee7i ro an to\u00e0n. V\u00ed d\u1ee5, trong m\u1ea1ng quang s\u1ee3i, qu\u00e1 t\u1ea3i c\u00f3 th\u1ec3 g\u00e2y ra <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/understanding-what-is-bit-error-rate\/\"><strong>t\u1ef7 l\u1ec7 l\u1ed7i bit (BER)<\/strong><\/a> l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn \u0111\u1ed9 to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 g\u00f3c \u0111\u1ed9 kinh t\u1ebf, c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn qu\u00e1 t\u1ea3i khi\u1ebfn doanh nghi\u1ec7p thi\u1ec7t h\u1ea1i h\u00e0ng t\u1ef7 \u0111\u00f4 la m\u1ed7i n\u0103m do chi ph\u00ed s\u1eeda ch\u1eefa v\u00e0 n\u0103ng su\u1ea5t b\u1ecb m\u1ea5t. M\u1ed9t nghi\u00ean c\u1ee9u c\u1ee7a Gartner ch\u1ec9 ra r\u1eb1ng chi ph\u00ed trung b\u00ecnh c\u1ee7a m\u1ed7i gi\u1edd ng\u1eebng ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng \u0111\u1ea1t $300.000 USD \u0111\u1ed1i v\u1edbi c\u00e1c doanh nghi\u1ec7p l\u1edbn, trong \u0111\u00f3 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ed9 thu l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n \u0111\u00f3ng g\u00f3p \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc Ph\u00f2ng ng\u1eeba v\u00e0 gi\u1ea3i ph\u00e1p: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 tr\u00e1nh qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vi\u1ec7c ng\u0103n ng\u1eeba qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong> \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa n\u00e2ng c\u1ea5p ph\u1ea7n c\u1ee9ng, c\u1ea5u h\u00ecnh ph\u1ea7n m\u1ec1m v\u00e0 c\u00e1c quy tr\u00ecnh th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 chi\u1ebfn l\u01b0\u1ee3c hi\u1ec7u qu\u1ea3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>S\u1eed d\u1ee5ng b\u1ed9 suy hao v\u00e0 b\u1ed9 l\u1ecdc<\/strong>: C\u00e1c thi\u1ebft b\u1ecb n\u00e0y gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u tr\u01b0\u1edbc khi t\u00edn hi\u1ec7u \u0111\u1ebfn b\u1ed9 thu.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>T\u1ed1i \u01b0u h\u00f3a thi\u1ebft l\u1eadp \u0111\u1ed9 khu\u1ebfch \u0111\u1ea1i<\/strong>: \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 nh\u1ea1y c\u1ee7a b\u1ed9 thu d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3<\/strong>: Gi\u00e1m s\u00e1t c\u00e1c linh ki\u1ec7n \u0111\u1ec3 ph\u00e1t hi\u1ec7n m\u00e0i m\u00f2n v\u00e0 h\u01b0 h\u1ecfng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Tri\u1ec3n khai d\u1ef1 ph\u00f2ng<\/strong>: Tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1 ph\u00f2ng \u0111\u1ec3 x\u1eed l\u00fd t\u1ea3i \u0111\u1ec9nh.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 b\u1ea3o v\u1ec7 n\u00e2ng cao, h\u00e3y c\u00e2n nh\u1eafc t\u00edch h\u1ee3p c\u00e1c th\u00e0nh ph\u1ea7n chuy\u00ean d\u1ee5ng nh\u01b0 m\u00f4-\u0111un quang c\u00f3 ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 qu\u00e1 t\u1ea3i t\u00edch h\u1ee3p s\u1eb5n. \u0110i\u1ec1u n\u00e0y d\u1eabn ch\u00fang ta \u0111\u1ebfn ph\u1ea7n tr\u1ecdng t\u00e2m v\u1ec1 <strong>module quang<br><\/strong> v\u00e0 vai tr\u00f2 c\u1ee7a ch\u00fang trong vi\u1ec7c gi\u1ea3m thi\u1ec3u qu\u00e1 t\u1ea3i b\u1ed9 thu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc T\u1eadp trung v\u00e0o b\u1ed9 thu ph\u00e1t quang: \u0110\u1ea5u tranh ch\u1ed1ng qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><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 thi\u1ebft y\u1ebfu trong truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh \u00e1nh s\u00e1ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng vi\u1ec5n th\u00f4ng v\u00e0 h\u1ec7 th\u1ed1ng doanh nghi\u1ec7p. Tuy nhi\u00ean, ch\u00fang d\u1ec5 b\u1ecb qu\u00e1 t\u1ea3i b\u1ed9 thu, \u0111\u1eb7c bi\u1ec7t khi ti\u1ebfp x\u00fac v\u1edbi t\u00edn hi\u1ec7u quang c\u00f4ng su\u1ea5t cao. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m hi\u1ec7u n\u0103ng v\u00e0 r\u00fat ng\u1eafn tu\u1ed5i th\u1ecd c\u1ee7a m\u00f4-\u0111un.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a97882dd34345c3801dccf0660cd856.jpg\" alt=\"optical transceiver\" class=\"wp-image-4813\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a97882dd34345c3801dccf0660cd856.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a97882dd34345c3801dccf0660cd856-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a97882dd34345c3801dccf0660cd856-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a97882dd34345c3801dccf0660cd856-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6a97882dd34345c3801dccf0660cd856-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" ><strong>V\u00ec sao m\u00f4-\u0111un quang d\u1ec5 b\u1ecb qu\u00e1 t\u1ea3i<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong truy\u1ec1n th\u00f4ng quang, qu\u00e1 t\u1ea3i b\u1ed9 thu th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>C\u00f4ng su\u1ea5t quang qu\u00e1 cao<\/strong>: C\u00e1c t\u00edn hi\u1ec7u \u0111\u1ea7u v\u00e0o v\u01b0\u1ee3t qu\u00e1 c\u00f4ng su\u1ea5t \u0111\u1ea7u v\u00e0o t\u1ed1i \u0111a c\u1ee7a b\u1ed9 thu.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ph\u1ea3n x\u1ea1 v\u00e0 t\u00e1n x\u1ea1 ng\u01b0\u1ee3c<\/strong>: Th\u01b0\u1eddng g\u1eb7p trong c\u00e1c li\u00ean k\u1ebft s\u1ee3i quang, d\u1eabn \u0111\u1ebfn nhi\u1ec5u t\u00edn hi\u1ec7u.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>H\u1ea1n ch\u1ebf c\u1ee7a linh ki\u1ec7n<\/strong>: C\u00e1c m\u00f4-\u0111un ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p c\u00f3 th\u1ec3 thi\u1ebfu m\u1ea1ch b\u1ea3o v\u1ec7 \u0111\u1ea7y \u0111\u1ee7.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o ng\u00e0nh nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a> \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c m\u00f4-\u0111un quang v\u1edbi c\u00e1c t\u00ednh n\u0103ng ti\u00ean ti\u1ebfn. V\u00ed d\u1ee5, m\u00f4-\u0111un quang <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\"><strong>SFP28-LR<\/strong><\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd \u0111\u1ea7u v\u00e0o c\u00f4ng su\u1ea5t cao m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u. M\u00f4 h\u00ecnh n\u00e0y bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u0110i\u1ec1u khi\u1ec3n c\u00f4ng su\u1ea5t t\u1ef1 \u0111\u1ed9ng<\/strong>: \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9ng theo c\u00e1c m\u1ee9c t\u00edn hi\u1ec7u kh\u00e1c nhau.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ph\u1ea1m vi \u0111\u1ed9ng n\u00e2ng cao<\/strong>: Ch\u1ecbu \u0111\u01b0\u1ee3c dao \u0111\u1ed9ng l\u00ean t\u1edbi +3dBm qu\u00e1 t\u1ea3i.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>K\u1ebft c\u1ea5u b\u1ec1n v\u1eefng<\/strong>: \u0110\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ch\u1ecbu \u0111\u1ef1ng m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, gi\u1ea3m nguy c\u01a1 <strong>qu\u00e1 t\u1ea3i b\u1ed9 thu m\u00f4-\u0111un quang<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc M\u1eb9o th\u1ef1c ti\u1ec5n v\u00e0 Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u00e1p d\u1ee5ng \u0111\u00fang chi\u1ebfn l\u01b0\u1ee3c c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng r\u1eafc r\u1ed1i do qu\u00e1 t\u1ea3i. H\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Ti\u1ebfn h\u00e0nh kh\u1ea3o s\u00e1t hi\u1ec7n tr\u01b0\u1eddng<\/strong>: X\u00e1c \u0111\u1ecbnh c\u00e1c ngu\u1ed3n g\u00e2y nhi\u1ec5u ti\u1ec1m \u1ea9n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u00e0o t\u1ea1o nh\u00e2n vi\u00ean<\/strong>: H\u01b0\u1edbng d\u1eabn \u0111\u1ed9i ng\u0169 v\u1ec1 c\u00e1c tri\u1ec7u ch\u1ee9ng v\u00e0 c\u00e1ch ph\u1ea3n \u1ee9ng khi x\u1ea3y ra qu\u00e1 t\u1ea3i.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3<\/strong>: S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang \u0111\u1ec3 gi\u00e1m s\u00e1t t\u00edn hi\u1ec7u.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi \u0111ang s\u1eed d\u1ee5ng <strong>module quang<br><\/strong>, h\u00e3y lu\u00f4n tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u2014 c\u00e1c th\u01b0\u01a1ng hi\u1ec7u nh\u01b0 <strong>LINK-PP<\/strong> cung c\u1ea5p b\u1ea3ng d\u1eef li\u1ec7u chi ti\u1ebft \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a thi\u1ebft l\u1eadp. H\u00e3y nh\u1edb r\u1eb1ng, ph\u00f2ng ng\u1eeba r\u1ebb h\u01a1n ch\u1eefa tr\u1ecb; m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 nh\u1ecf v\u00e0o c\u00e1c linh ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 c\u1ed1 l\u1edbn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc K\u1ebft lu\u1eadn: Ki\u1ec3m so\u00e1t qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Qu\u00e1 t\u1ea3i b\u1ed9 thu<\/strong> l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c n\u1ebfu c\u00f3 ki\u1ebfn th\u1ee9c v\u00e0 c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n, t\u00e1c \u0111\u1ed9ng v\u00e0 gi\u1ea3i ph\u00e1p \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00edch h\u1ee3p c\u00e1c <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang t\u1ed1c \u0111\u1ed9 cao<\/strong><\/a>\u0111\u00e1ng tin c\u1eady \u2014 b\u1ea1n c\u00f3 th\u1ec3 n\u00e2ng cao kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng. Trong m\u1ed9t th\u1ebf gi\u1edbi v\u1eadn h\u00e0nh b\u1edfi d\u1eef li\u1ec7u, vi\u1ec7c b\u1ea3o v\u1ec7 b\u1ed9 thu c\u1ee7a b\u1ea1n kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn; \u0111\u00f3 l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 duy tr\u00ec l\u1ee3i th\u1ebf c\u1ea1nh tranh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdc C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >Qu\u00e1 t\u1ea3i b\u1ed9 thu ngh\u0129a l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 t\u1ea3i b\u1ed9 thu x\u1ea3y ra khi b\u1ed9 thu c\u1ee7a b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u qu\u00e1 m\u1ea1nh. B\u1ea1n c\u00f3 th\u1ec3 nghe th\u1ea5y nh\u1eefng \u00e2m thanh k\u1ef3 l\u1ea1. Thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 t\u1eaft \u0111\u1ec3 t\u1ef1 b\u1ea3o v\u1ec7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Nh\u1eefng d\u1ea5u hi\u1ec7u n\u00e0o cho th\u1ea5y qu\u00e1 t\u1ea3i b\u1ed9 thu trong h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 nghe th\u1ea5y \u00e2m thanh m\u00e9o. \u0110\u00e8n c\u1ea3nh b\u00e1o c\u00f3 th\u1ec3 b\u1eadt s\u00e1ng. B\u1ed9 thu c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 t\u1eaft. \u0110\u00f4i khi, hai t\u00edn hi\u1ec7u h\u00f2a l\u1eabn v\u00e0o nhau v\u00e0 ph\u00e1t \u0111\u1ed3ng th\u1eddi.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>M\u1eb9o:<br><\/strong> H\u00e3y ch\u00fa \u00fd \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t trong \u00e2m thanh ho\u1eb7c c\u00e1c th\u00f4ng b\u00e1o l\u1ed7i.<\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >Thi\u1ebft b\u1ecb n\u00e0o c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ea1i do qu\u00e1 t\u1ea3i b\u1ed9 thu?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 t\u1ea3i b\u1ed9 thu c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng loa v\u00e0 b\u1ed9 khu\u1ebfch \u0111\u1ea1i. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng c\u00e1c linh ki\u1ec7n b\u00ean trong nh\u01b0 t\u1ee5 \u0111i\u1ec7n ho\u1eb7c transistor. B\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n thay th\u1ebf linh ki\u1ec7n m\u1edbi n\u1ebfu t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i x\u1ea3y ra th\u01b0\u1eddng xuy\u00ean.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n n\u00ean ki\u1ec3m tra \u0111i\u1ec1u g\u00ec \u0111\u1ea7u ti\u00ean khi nghi ng\u1edd qu\u00e1 t\u1ea3i b\u1ed9 thu?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra d\u00e2y loa. T\u00ecm \u0111\u00e8n c\u1ea3nh b\u00e1o. Ki\u1ec3m tra t\u1eebng loa m\u1ed9t c\u00e1ch ri\u00eang l\u1ebb. N\u1ebfu b\u1ea1n c\u00f3 \u0111\u1ed3ng h\u1ed3 v\u1ea1n n\u0103ng, h\u00e3y \u0111o \u0111i\u1ec7n tr\u1edf loa.<\/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>V\u1eadt c\u1ea7n ki\u1ec3m tra<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>\u0110i\u1ec1u c\u1ea7n t\u00ecm<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>D\u00e2y loa<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u00e2y b\u1ecb s\u1eddn ho\u1eb7c l\u1ecfng l\u1ebbo<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u00e8n c\u1ea3nh b\u00e1o<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u00e8n nh\u1ea5p nh\u00e1y ho\u1eb7c \u0111\u00e8n m\u00e0u \u0111\u1ecf<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u0110i\u1ec7n tr\u1edf loa<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00f9 h\u1ee3p v\u1edbi tr\u1edf kh\u00e1ng \u0111\u1ecbnh m\u1ee9c<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 t\u1ea3i b\u1ed9 thu x\u1ea3y ra khi t\u00edn hi\u1ec7u qu\u00e1 m\u1ea1nh, g\u00e2y m\u00e9o t\u00edn hi\u1ec7u, t\u1eaft m\u00e1y ho\u1eb7c h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb. T\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n, tri\u1ec7u ch\u1ee9ng v\u00e0 c\u00e1c m\u1eb9o ph\u00f2ng ng\u1eeba.<\/p>","protected":false},"author":1,"featured_media":4812,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[13,14,16,17,18,24,26],"class_list":["post-4814","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-100g-modules","tag-10g-sfp-transceivers","tag-link-pp-25g-sfp28-optical-modules","tag-400g-optical-modules","tag-40g-qsfp-transceivers","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4814","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=4814"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4814\/revisions"}],"predecessor-version":[{"id":11047,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4814\/revisions\/11047"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4812"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}