{"id":2492,"date":"2026-04-08T00:00:00","date_gmt":"2026-04-08T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/what-is-optical-power-meter-opm\/"},"modified":"2026-06-22T03:36:29","modified_gmt":"2026-06-22T03:36:29","slug":"what-is-optical-power-meter-opm","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-optical-power-meter-opm","title":{"rendered":"\u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c ki\u1ec3m tra SFP"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576c5f5342a24a44bd5ce9bb4fe5022f.jpg\" alt=\"What Is Optical Power Meter and Why It Matters for SFP Testing\" class=\"wp-image-2482\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576c5f5342a24a44bd5ce9bb4fe5022f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576c5f5342a24a44bd5ce9bb4fe5022f-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576c5f5342a24a44bd5ce9bb4fe5022f-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576c5f5342a24a44bd5ce9bb4fe5022f-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/576c5f5342a24a44bd5ce9bb4fe5022f-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u1ea1ng c\u00e1p quang, c\u00f4ng su\u1ea5t t\u00edn hi\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec trong m\u1ed9t d\u1ea3i ho\u1ea1t \u0111\u1ed9ng h\u1eb9p. N\u1ebfu c\u00f4ng su\u1ea5t quang nh\u1eadn \u0111\u01b0\u1ee3c qu\u00e1 th\u1ea5p, li\u00ean k\u1ebft c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c b\u1ecb l\u1ed7i. N\u1ebfu c\u00f4ng su\u1ea5t n\u00e0y qu\u00e1 cao, b\u1ed9 thu c\u00f3 th\u1ec3 b\u1ecb qu\u00e1 t\u1ea3i v\u00e0 hi\u1ec7u n\u0103ng c\u00f3 th\u1ec3 suy gi\u1ea3m. \u0110\u00f3 l\u00e0 l\u00fd do v\u00ec sao vi\u1ec7c \u0111o c\u00f4ng su\u1ea5t quang l\u00e0 m\u1ed9t trong nh\u1eefng nhi\u1ec7m v\u1ee5 quan tr\u1ecdng nh\u1ea5t trong l\u1eafp \u0111\u1eb7t, x\u00e1c th\u1ef1c v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1. \u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang, th\u01b0\u1eddng \u0111\u01b0\u1ee3c vi\u1ebft t\u1eaft l\u00e0 OPM, l\u00e0 thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c \u0111\u00f3. Thi\u1ebft b\u1ecb n\u00e0y \u0111o tr\u1ef1c ti\u1ebfp c\u00f4ng su\u1ea5t quang v\u00e0 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ki\u1ec3m tra t\u1ed5n hao khi k\u1ebft h\u1ee3p v\u1edbi ngu\u1ed3n s\u00e1ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/how-to-test-sfp-transceiver\/\">vi\u1ec7c ki\u1ec3m tra SFP<\/a>, OPM \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb v\u00ec gi\u00fap x\u00e1c minh ch\u00ednh x\u00e1c t\u00edn hi\u1ec7u th\u1ef1c t\u1ebf r\u1eddi kh\u1ecfi b\u1ed9 ph\u00e1t v\u00e0 t\u00edn hi\u1ec7u \u0111\u1ebfn \u0111\u1ea7u thu. Trong th\u1ef1c t\u1ebf t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t v\u1edbi \u0111\u1ea7u ra b\u1ed9 ph\u00e1t ho\u1eb7c \u0111\u1eb7t thi\u1ebft b\u1ecb t\u1ea1i v\u1ecb tr\u00ed m\u00e0 b\u1ed9 thu quang s\u1ebd \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t, sau \u0111\u00f3 \u0111\u1ecdc k\u1ebft qu\u1ea3 theo \u0111\u01a1n v\u1ecb dBm. \u0110i\u1ec1u n\u00e0y khi\u1ebfn OPM tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u01a1n gi\u1ea3n nh\u01b0ng thi\u1ebft y\u1ebfu \u0111\u1ec3 ki\u1ec3m tra xem m\u1ed9t <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478230.htm\">m\u00f4-\u0111un SFP<\/a> \u0111ang ho\u1ea1t \u0111\u1ed9ng trong gi\u1edbi h\u1ea1n th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 \u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>\u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang<\/strong> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ki\u1ec3m tra d\u00f9ng \u0111\u1ec3 \u0111o c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng truy\u1ec1n qua h\u1ec7 th\u1ed1ng c\u00e1p quang. Trong ki\u1ec3m tra c\u00e1p quang, k\u1ebft qu\u1ea3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng <strong>dBm<\/strong> \u0111\u1ed1i v\u1edbi c\u00f4ng su\u1ea5t quang tuy\u1ec7t \u0111\u1ed1i ho\u1eb7c <strong>dB<\/strong> \u0111\u1ed1i v\u1edbi t\u1ed5n hao t\u01b0\u01a1ng \u0111\u1ed1i. H\u01b0\u1edbng d\u1eabn ng\u00e0nh th\u01b0\u1eddng m\u00f4 t\u1ea3 dBm l\u00e0 c\u00f4ng su\u1ea5t quy chi\u1ebfu so v\u1edbi 1 milliwatt, trong khi dB bi\u1ec3u th\u1ecb s\u1ef1 ch\u00eanh l\u1ec7ch gi\u1eefa hai m\u1ee9c.<\/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\/7b759558f2a442be95f692d415314a62.jpg\" alt=\"What Is OPM Optical Power Meter?\" class=\"wp-image-2483\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7b759558f2a442be95f692d415314a62.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7b759558f2a442be95f692d415314a62-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7b759558f2a442be95f692d415314a62-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7b759558f2a442be95f692d415314a62-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7b759558f2a442be95f692d415314a62-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, OPM ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u201c\u0111\u1ed3ng h\u1ed3 \u0111o \u00e1nh s\u00e1ng cho c\u00e1p quang\u201d, cho ph\u00e9p k\u1ef9 s\u01b0 x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 m\u1ea1nh hay y\u1ebfu c\u1ee7a t\u00edn hi\u1ec7u quang t\u1ea1i b\u1ea5t k\u1ef3 \u0111i\u1ec3m n\u00e0o trong m\u1ea1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110o c\u00f4ng su\u1ea5t \u0111\u1ea7u ra b\u1ed9 ph\u00e1t<\/p><\/li><li><p>\u0110o c\u00f4ng su\u1ea5t quang nh\u1eadn \u0111\u01b0\u1ee3c<\/p><\/li><li><p>T\u00ednh to\u00e1n t\u1ed5n hao quang (khi s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi ngu\u1ed3n s\u00e1ng)<\/p><\/li><li><p>X\u00e1c minh hi\u1ec7u n\u0103ng li\u00ean k\u1ebft theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >OPM trong ki\u1ec3m tra module SFP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">M\u00f4-\u0111un quang<\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c d\u1ea3i c\u00f4ng su\u1ea5t quang c\u1ee5 th\u1ec3. Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra, \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c nh\u1eadn r\u1eb1ng \u0111\u1ea7u ra c\u1ee7a module ph\u00f9 h\u1ee3p v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt d\u1ef1 ki\u1ebfn v\u00e0 t\u00edn hi\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n an to\u00e0n. Fluke Networks \u0111\u1eb7c bi\u1ec7t l\u01b0u \u00fd r\u1eb1ng khi <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/how-to-check-sfp-module-cisco-commands-testing-guide\/\">ki\u1ec3m tra m\u1ed9t module SFP<\/a>, vi\u1ec7c \u0111\u1ecdc theo \u0111\u01a1n v\u1ecb dBm ph\u1ea3n \u00e1nh c\u00e1ch nhi\u1ec1u <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/blog\/technical-documentation\/sfp-optical-module-specifications.htm\">th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt SFP<\/a> \u0111\u01b0\u1ee3c vi\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 \u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng quang \u0111\u1ea7u v\u00e0o th\u00e0nh ph\u00e9p \u0111o \u0111i\u1ec7n th\u00f4ng qua b\u1ed9 d\u00f2 photodiode. B\u1ed9 d\u00f2 c\u1ea3m nh\u1eadn m\u1ee9c \u0111\u1ed9 \u00e1nh s\u00e1ng, v\u00e0 \u0111\u1ed3ng h\u1ed3 hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 theo \u0111\u01a1n v\u1ecb \u0111\u00e3 ch\u1ecdn. \u0110\u00e2y l\u00e0 l\u00fd do thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u1ea3 trong ki\u1ec3m tra m\u1ea1ng \u0111ang ho\u1ea1t \u0111\u1ed9ng v\u00e0 trong c\u00e1c ph\u00e9p \u0111o t\u1ed5n hao theo phong c\u00e1ch ph\u00f2ng th\u00ed nghi\u1ec7m.<\/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\/395f6993df524fc58709df5cfc278a28.jpg\" alt=\"How Does an Optical Power Meter Work?\" class=\"wp-image-2484\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/395f6993df524fc58709df5cfc278a28.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/395f6993df524fc58709df5cfc278a28-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/395f6993df524fc58709df5cfc278a28-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/395f6993df524fc58709df5cfc278a28-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/395f6993df524fc58709df5cfc278a28-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h3>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p>\u00c1nh s\u00e1ng \u0111i v\u00e0o OPM qua \u0111\u1ea7u n\u1ed1i s\u1ee3i quang<\/p><\/li><li><p>M\u1ed9t photodiode chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng quang th\u00e0nh d\u00f2ng \u0111i\u1ec7n<\/p><\/li><li><p>Thi\u1ebft b\u1ecb t\u00ednh to\u00e1n v\u00e0 hi\u1ec3n th\u1ecb c\u00f4ng su\u1ea5t theo \u0111\u01a1n v\u1ecb dBm ho\u1eb7c dB<\/p><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00f4ng su\u1ea5t tuy\u1ec7t \u0111\u1ed1i v\u00e0 t\u1ed5n hao t\u01b0\u01a1ng \u0111\u1ed1i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OPM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng theo hai c\u00e1ch ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u0110o c\u00f4ng su\u1ea5t tuy\u1ec7t \u0111\u1ed1i<\/strong>: \u0111\u1ed3ng h\u1ed3 \u0111\u1ecdc m\u1ee9c t\u00edn hi\u1ec7u quang th\u1ef1c t\u1ebf, th\u01b0\u1eddng theo \u0111\u01a1n v\u1ecb dBm.<\/p><\/li><li><p><strong>\u0110o t\u1ed5n hao t\u01b0\u01a1ng \u0111\u1ed1i<\/strong>: \u0111\u1ed3ng h\u1ed3 so s\u00e1nh m\u1ee9c t\u00edn hi\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c v\u1edbi gi\u00e1 tr\u1ecb tham chi\u1ebfu v\u00e0 hi\u1ec3n th\u1ecb t\u1ed5n hao theo \u0111\u01a1n v\u1ecb dB.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec c\u00f4ng su\u1ea5t tuy\u1ec7t \u0111\u1ed1i cho bi\u1ebft m\u1ee9c c\u00f4ng su\u1ea5t m\u00e0 module \u0111ang ph\u00e1t ra ho\u1eb7c nh\u1eadn v\u00e0o, trong khi t\u1ed5n hao t\u01b0\u01a1ng \u0111\u1ed1i cho bi\u1ebft l\u01b0\u1ee3ng c\u00f4ng su\u1ea5t b\u1ecb m\u1ea5t tr\u00ean to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n s\u1ee3i quang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Thi\u1ebft l\u1eadp b\u01b0\u1edbc s\u00f3ng v\u00e0 hi\u1ec7u chu\u1ea9n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang ph\u1ea3i \u0111\u01b0\u1ee3c kh\u1edbp v\u1edbi b\u01b0\u1edbc s\u00f3ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ng. VIAVI n\u00eau c\u00e1c thi\u1ebft l\u1eadp ph\u1ed5 bi\u1ebfn nh\u01b0 850 nm v\u00e0 1300 nm cho <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478231.htm\">c\u00e1p quang \u0111a mode<\/a>, v\u00e0 1310 nm v\u00e0 1550 nm cho <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478228.htm\">s\u1ee3i quang \u0111\u01a1n mode<\/a>. Tr\u00ean th\u1ef1c t\u1ebf, thi\u1ebft l\u1eadp b\u01b0\u1edbc s\u00f3ng c\u1ea7n ph\u00f9 h\u1ee3p v\u1edbi b\u01b0\u1edbc s\u00f3ng d\u1ecbch v\u1ee5 th\u1ef1c t\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 c\u00f3 \u00fd ngh\u0129a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec7u chu\u1ea9n v\u00e0 hi\u1ec7u n\u0103ng c\u1ee7a b\u1ed9 d\u00f2 c\u0169ng r\u1ea5t quan tr\u1ecdng. C\u00e1c \u0111\u1ed3ng h\u1ed3 hi\u1ec7n \u0111\u1ea1i c\u00f3 th\u1ec3 bao ph\u1ee7 m\u1ed9t d\u1ea3i \u0111\u1ed9ng r\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c \u1ee9ng d\u1ee5ng s\u1ee3i \u0111\u01a1n mode, \u0111a mode ho\u1eb7c WDM. V\u00ed d\u1ee5, VIAVI v\u00e0 EXFO li\u1ec7t k\u00ea c\u00e1c thi\u1ebft b\u1ecb c\u00f3 d\u1ea3i \u0111o r\u1ed9ng cho ki\u1ec3m tra c\u00f4ng su\u1ea5t tuy\u1ec7t \u0111\u1ed1i v\u00e0 t\u1ed5n hao ch\u00e8n, cho th\u1ea5y c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c nhu c\u1ea7u kh\u00e1c nhau t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng ho\u1eb7c trong ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Hi\u1ec7u chu\u1ea9n b\u01b0\u1edbc s\u00f3ng:<\/strong> Th\u01b0\u1eddng l\u00e0 850 nm, 1310 nm, 1550 nm<\/p><\/li><li><p><strong>D\u1ea3i \u0111o:<\/strong> V\u00ed d\u1ee5: t\u1eeb -70 dBm \u0111\u1ebfn +10 dBm<\/p><\/li><li><p><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c:<\/strong> Th\u01b0\u1eddng l\u00e0 \u00b10,2\u20130,5 dB<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/common-fiber-connector-types-optical-transceivers\/\"><strong>Giao di\u1ec7n \u0111\u1ea7u n\u1ed1i<\/strong><\/a><strong>:<\/strong> LC, SC, FC<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 V\u00ec sao vi\u1ec7c \u0111o c\u00f4ng su\u1ea5t quang l\u1ea1i quan tr\u1ecdng trong c\u00e1p quang?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u0111o c\u00f4ng su\u1ea5t quang kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 b\u1ea3o tr\u00ec. \u0110\u00e2y l\u00e0 m\u1ed9t ph\u1ea7n c\u1ed1t l\u00f5i trong thi\u1ebft k\u1ebf, l\u1eafp \u0111\u1eb7t v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1 c\u00e1p quang v\u00ec c\u00e1c li\u00ean k\u1ebft c\u00e1p quang r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u1ea3 t\u1ed5n hao v\u00e0 qu\u00e1 t\u1ea3i. VIAVI m\u00f4 t\u1ea3 t\u1ed5n hao quang l\u00e0 s\u1ef1 suy gi\u1ea3m c\u00f4ng su\u1ea5t khi \u00e1nh s\u00e1ng truy\u1ec1n qua s\u1ee3i quang, \u0111\u1ed3ng th\u1eddi gi\u1ea3i th\u00edch r\u1eb1ng c\u00e1ch \u0111o ch\u00ednh x\u00e1c nh\u1ea5t l\u00e0 ti\u00eam m\u1ed9t m\u1ee9c \u00e1nh s\u00e1ng \u0111\u00e3 bi\u1ebft v\u00e0 \u0111o m\u1ee9c nh\u1eadn \u0111\u01b0\u1ee3c \u1edf \u0111\u1ea7u kia.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/486d9cb3a21d43edbd5514434b1f5246.jpg\" alt=\"Why Optical Power Measurement Matters in Fiber Optics\" class=\"wp-image-2485\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/486d9cb3a21d43edbd5514434b1f5246.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/486d9cb3a21d43edbd5514434b1f5246-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/486d9cb3a21d43edbd5514434b1f5246-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/486d9cb3a21d43edbd5514434b1f5246-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/486d9cb3a21d43edbd5514434b1f5246-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh li\u00ean k\u1ebft<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u1ea1ng s\u1ebd \u1ed5n \u0111\u1ecbnh h\u01a1n khi c\u00f4ng su\u1ea5t quang c\u1ee7a n\u00f3 n\u1eb1m trong d\u1ea3i m\u1ee5c ti\u00eau. N\u1ebfu t\u00edn hi\u1ec7u qu\u00e1 y\u1ebfu, b\u1ed9 thu c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c ph\u00e1t hi\u1ec7n d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady. N\u1ebfu t\u00edn hi\u1ec7u qu\u00e1 m\u1ea1nh, b\u1ed9 thu c\u00f3 th\u1ec3 b\u1ecb b\u00e3o h\u00f2a. Vi\u1ec7c \u0111o c\u00f4ng su\u1ea5t gi\u00fap k\u1ef9 s\u01b0 duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng cho li\u00ean k\u1ebft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea3o v\u1ec7 b\u1ed9 thu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u1ed9 thu quang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t d\u1ea3i \u0111\u1ea7u v\u00e0o c\u1ee5 th\u1ec3. Vi\u1ec7c v\u01b0\u1ee3t qu\u00e1 d\u1ea3i n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u n\u0103ng v\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i. S\u1eed d\u1ee5ng OPM trong <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/5-steps-transceiver-installation-success\/\">quy tr\u00ecnh l\u1eafp \u0111\u1eb7t<\/a> or <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-troubleshooting-quick-checklist\/\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/a> gi\u00fap x\u00e1c nh\u1eadn r\u1eb1ng b\u1ed9 thu kh\u00f4ng b\u1ecb k\u00edch th\u00edch qu\u00e1 m\u1ee9c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >X\u00e1c minh t\u1ed5n hao<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi ngu\u1ed3n s\u00e1ng quang \u1ed5n \u0111\u1ecbnh, m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a b\u1ed9 ki\u1ec3m tra t\u1ed5n hao quang (OLTS). C\u1eb7p thi\u1ebft b\u1ecb n\u00e0y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111o t\u1ed5n hao ch\u00e8n tr\u00ean to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n s\u1ee3i quang. VIAVI \u0111\u1eb7c bi\u1ec7t l\u01b0u \u00fd r\u1eb1ng ngu\u1ed3n s\u00e1ng v\u00e0 \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t \u0111\u1eb7t \u1edf hai \u0111\u1ea7u \u0111\u1ed1i di\u1ec7n c\u1ee7a \u0111\u01b0\u1eddng truy\u1ec1n s\u1ebd cung c\u1ea5p gi\u00e1 tr\u1ecb t\u1ed5n hao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >L\u00e0m r\u00f5 vi\u1ec7c g\u1ee1 r\u1ed1i s\u1ef1 c\u1ed1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu m\u1ed9t \u0111\u01b0\u1eddng truy\u1ec1n g\u1eb7p s\u1ef1 c\u1ed1, c\u00e1c ph\u00e9p \u0111o c\u00f4ng su\u1ea5t s\u1ebd nhanh ch\u00f3ng ti\u1ebft l\u1ed9 nguy\u00ean nh\u00e2n c\u00f3 ph\u1ea3i do t\u1ed5n hao qu\u00e1 m\u1ee9c, ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea7u n\u1ed1i k\u00e9m, l\u1ef1a ch\u1ecdn b\u01b0\u1edbc s\u00f3ng sai ho\u1eb7c b\u1ed9 thu ph\u00e1t kh\u00f4ng t\u1ea1o ra c\u00f4ng su\u1ea5t \u0111\u1ea7u ra nh\u01b0 k\u1ef3 v\u1ecdng hay kh\u00f4ng. \u0110i\u1ec1u n\u00e0y khi\u1ebfn OPM tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 nhanh nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 \u1edf t\u1ea7ng quang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 Vai tr\u00f2 c\u1ee7a OPM trong c\u00e1c module quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c ki\u1ec3m tra, x\u00e1c th\u1ef1c v\u00e0 b\u1ea3o tr\u00ec c\u00e1c b\u1ed9 thu ph\u00e1t quang nh\u01b0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482145.htm\">B\u1ed9 thu ph\u00e1t SFP<\/a> and <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\">module QSFP<\/a>. V\u00ec nh\u1eefng module n\u00e0y ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng trong d\u1ea3i c\u00f4ng su\u1ea5t quang nghi\u00eam ng\u1eb7t, n\u00ean vi\u1ec7c \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu nh\u1eb1m \u0111\u1ea3m b\u1ea3o ch\u1ee9c n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang v\u00e0 \u0111\u1ed9 tin c\u1eady d\u00e0i h\u1ea1n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94f03078c99d4d1d9564cb07883e443d.jpg\" alt=\"Role of OPM in Optical Modules\" class=\"wp-image-2486\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94f03078c99d4d1d9564cb07883e443d.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94f03078c99d4d1d9564cb07883e443d-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94f03078c99d4d1d9564cb07883e443d-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94f03078c99d4d1d9564cb07883e443d-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94f03078c99d4d1d9564cb07883e443d-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud83d\udd39 \u0110o c\u00f4ng su\u1ea5t \u0111\u1ea7u ra c\u1ee7a b\u1ed9 ph\u00e1t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng vai tr\u00f2 ch\u00ednh c\u1ee7a OPM l\u00e0 x\u00e1c minh c\u00f4ng su\u1ea5t quang th\u1ef1c t\u1ebf do b\u1ed9 ph\u00e1t (Tx) ph\u00e1t ra. B\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp \u0111\u1ed3ng h\u1ed3 \u0111o v\u1edbi \u0111\u1ea7u ra c\u1ee7a module, k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn li\u1ec7u t\u00edn hi\u1ec7u c\u00f3 n\u1eb1m trong d\u1ea3i quy \u0111\u1ecbnh \u0111\u01b0\u1ee3c n\u00eau trong b\u1ea3ng d\u1eef li\u1ec7u hay kh\u00f4ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud83d\udd39 Ki\u1ec3m tra c\u00f4ng su\u1ea5t \u0111\u1ea7u v\u00e0o c\u1ee7a b\u1ed9 thu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede ph\u00eda \u0111\u1ea7u thu, OPM \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111o c\u00f4ng su\u1ea5t quang \u0111\u1ea7u v\u00e0o nh\u1eb1m \u0111\u1ea3m b\u1ea3o n\u00f3 duy tr\u00ec trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Ng\u01b0\u1ee1ng nh\u1ea1y c\u1ea3m c\u1ee7a b\u1ed9 thu (m\u1ee9c t\u1ed1i thi\u1ec3u)<\/strong><\/p><\/li><li><p><strong>Ng\u01b0\u1ee1ng qu\u00e1 t\u1ea3i (m\u1ee9c t\u1ed1i \u0111a)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng m\u1ea5t \u1ed5n \u0111\u1ecbnh li\u00ean k\u1ebft ho\u1eb7c suy gi\u1ea3m hi\u1ec7u n\u0103ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud83d\udd39 H\u1ed7 tr\u1ee3 ki\u1ec3m tra v\u00e0 x\u00e1c th\u1ef1c module quang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 x\u00e1c th\u1ef1c s\u1ea3n xu\u1ea5t, c\u00e1c OPM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>X\u00e1c nh\u1eadn t\u00ednh tu\u00e2n th\u1ee7 c\u1ee7a module v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n<\/p><\/li><li><p>\u0110o \u0111\u1ed9 nh\u1ea5t qu\u00e1n c\u1ee7a c\u00f4ng su\u1ea5t quang \u0111\u1ea7u ra<\/p><\/li><li><p>\u0110\u00e1nh gi\u00e1 bi\u00ean \u0111\u1ed9 li\u00ean k\u1ebft v\u00e0 hi\u1ec7u n\u0103ng<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud83d\udd39 G\u1ee1 r\u1ed1i c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n quang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi ph\u00e1t sinh s\u1ef1 c\u1ed1, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u01b0\u1eddng truy\u1ec1n b\u1ecb gi\u00e1n \u0111o\u1ea1n ho\u1eb7c t\u1ef7 l\u1ec7 l\u1ed7i cao, OPM gi\u00fap nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh xem v\u1ea5n \u0111\u1ec1 c\u00f3 li\u00ean quan \u0111\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00f4ng su\u1ea5t quang th\u1ea5p (t\u1ed5n hao qu\u00e1 m\u1ee9c)<\/p><\/li><li><p>C\u00f4ng su\u1ea5t quang cao (b\u00e3o h\u00f2a b\u1ed9 thu)<\/p><\/li><li><p>\u0110\u1ea7u n\u1ed1i ho\u1eb7c \u0111\u01b0\u1eddng d\u1eabn s\u1ee3i quang b\u1ecb l\u1ed7i<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u00f4ng tin ch\u00ednh<br><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">OPM kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111o l\u01b0\u1eddng\u2014n\u00f3 c\u00f2n \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u1ea7u n\u1ed1i ch\u1ea9n \u0111o\u00e1n gi\u1eefa c\u00e1c module quang v\u00e0 hi\u1ec7u n\u0103ng m\u1ea1ng th\u1ef1c t\u1ebf, gi\u00fap k\u1ef9 s\u01b0 \u0111\u1ea3m b\u1ea3o m\u1ecdi \u0111\u01b0\u1eddng truy\u1ec1n \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n c\u00f4ng su\u1ea5t an to\u00e0n v\u00e0 t\u1ed1i \u01b0u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\ud83d\udd39 Khi n\u00e0o b\u1ea1n c\u1ea7n OPM \u0111\u1ec3 ki\u1ec3m tra module quang?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t h\u1eefu \u00edch b\u1ea5t c\u1ee9 khi n\u00e0o b\u1ea1n c\u1ea7n bi\u1ebft li\u1ec7u t\u1ea7ng quang c\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng trong gi\u1edbi h\u1ea1n th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt hay kh\u00f4ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang khi:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>l\u1eafp \u0111\u1eb7t m\u1ed9t \u0111\u01b0\u1eddng truy\u1ec1n s\u1ee3i quang m\u1edbi,<\/p><\/li><li><p>x\u00e1c th\u1ef1c <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\">SFP<\/a> or <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482749.htm\">QSFP<\/a> c\u00f4ng su\u1ea5t \u0111\u1ea7u ra,<\/p><\/li><li><p>ki\u1ec3m tra c\u00f4ng su\u1ea5t nh\u1eadn \u0111\u01b0\u1ee3c \u1edf \u0111\u1ea7u xa c\u1ee7a \u0111\u01b0\u1eddng truy\u1ec1n,<\/p><\/li><li><p>g\u1ee1 r\u1ed1i c\u00e1c s\u1ef1 c\u1ed1 gi\u00e1n \u0111o\u1ea1n li\u00ean k\u1ebft,<\/p><\/li><li><p>ho\u1eb7c th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec tr\u00ean m\u1ed9t m\u1ea1ng hi\u1ec7n c\u00f3.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1eb7c bi\u1ec7t n\u00ean s\u1eed d\u1ee5ng OPM trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n ng\u1eafn v\u1edbi b\u1ed9 ph\u00e1t m\u1ea1nh, n\u01a1i r\u1ee7i ro qu\u00e1 t\u1ea3i cao h\u01a1n.<\/p><\/li><li><p>C\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n d\u00e0i v\u1edbi nhi\u1ec1u \u0111i\u1ec3m n\u1ed1i, n\u01a1i t\u1ed5n hao qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m bi\u00ean \u0111\u1ed9 \u0111\u1ea7u thu.<\/p><\/li><li><p>M\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 s\u1ea3n xu\u1ea5t, n\u01a1i t\u00ednh l\u1eb7p l\u1ea1i v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng.<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/passive-optical-networks-what-they-are-and-how-they-work\/\">PON<br><\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/fttx-technical-guide-modern-fiber-access-architectures\/\">FTTx<br><\/a>, doanh nghi\u1ec7p v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, n\u01a1i vi\u1ec7c x\u00e1c minh c\u00f4ng su\u1ea5t l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a quy tr\u00ecnh ki\u1ec3m tra nghi\u1ec7m thu th\u00f4ng th\u01b0\u1eddng.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 So s\u00e1nh OPM, ngu\u1ed3n s\u00e1ng quang v\u00e0 OLTS: S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/817f4b4eb1834fb09c8cdb76156b6589.jpg\" alt=\"OPM vs. Optical Light Source vs. OLTS\" class=\"wp-image-2487\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/817f4b4eb1834fb09c8cdb76156b6589.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/817f4b4eb1834fb09c8cdb76156b6589-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/817f4b4eb1834fb09c8cdb76156b6589-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/817f4b4eb1834fb09c8cdb76156b6589-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/817f4b4eb1834fb09c8cdb76156b6589-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ba c\u00f4ng c\u1ee5 n\u00e0y c\u00f3 li\u00ean h\u1ec7 v\u1edbi nhau, nh\u01b0ng m\u1ed7i c\u00e1i \u0111\u1ea3m nhi\u1ec7m nh\u1eefng nhi\u1ec7m v\u1ee5 kh\u00e1c nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang h\u1ecdc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110o c\u00f4ng su\u1ea5t quang t\u1ea1i m\u1ed9t \u0111i\u1ec3m tr\u00ean \u0111\u01b0\u1eddng truy\u1ec1n. N\u00f3 cho b\u1ea1n bi\u1ebft c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng m\u1ea1nh \u0111\u1ebfn m\u1ee9c n\u00e0o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" ><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-fiber-optic-light-source\/\">Ngu\u1ed3n s\u00e1ng quang h\u1ecdc<\/a><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1o t\u00edn hi\u1ec7u quang \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 ki\u1ec3m tra. Thi\u1ebft b\u1ecb n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m ph\u00eda b\u1ed9 ph\u00e1t trong c\u00e1c ph\u00e9p \u0111o t\u1ed5n hao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ed9 ki\u1ec3m tra t\u1ed5n hao quang (OLTS)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft h\u1ee3p m\u1ed9t ngu\u1ed3n s\u00e1ng v\u00e0 m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t \u0111\u1ec3 \u0111o t\u1ed5n hao ch\u00e8n tr\u00ean to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n s\u1ee3i quang. VIAVI m\u00f4 t\u1ea3 \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh x\u00e1c nh\u1ea5t \u0111\u1ec3 \u0111o t\u1ed5ng t\u1ed5n hao quang v\u00ec ngu\u1ed3n s\u00e1ng v\u00e0 b\u1ed9 thu \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf hai \u0111\u1ea7u \u0111\u1ed1i di\u1ec7n c\u1ee7a s\u1ee3i quang.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 178px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"178\"><p>Thi\u1ebft b\u1ecb<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Ch\u1ee9c n\u0103ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"178\"><p><strong>OPM<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110o c\u00f4ng su\u1ea5t quang<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>X\u00e1c minh c\u00f4ng su\u1ea5t<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"178\"><p><strong>Ngu\u1ed3n s\u00e1ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e1t ra t\u00edn hi\u1ec7u quang \u1ed5n \u0111\u1ecbnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ti\u00eam t\u00edn hi\u1ec7u<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"178\"><p><strong>OLTS<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft h\u1ee3p c\u1ea3 hai<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/optical-transceiver-insertion-loss-definition-impact\/\">T\u1ed5n hao ch\u00e8n<\/a> ki\u1ec3m tra<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ghi ch\u00fa th\u1ef1c ti\u1ec5n<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n ch\u1ec9 c\u1ea7n bi\u1ebft m\u1ee9c c\u00f4ng su\u1ea5t hi\u1ec7n c\u00f3, h\u00e3y d\u00f9ng OPM. N\u1ebfu b\u1ea1n c\u1ea7n \u0111o l\u01b0\u1ee3ng c\u00f4ng su\u1ea5t b\u1ecb m\u1ea5t tr\u00ean to\u00e0n b\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n, h\u00e3y d\u00f9ng OPM c\u00f9ng v\u1edbi ngu\u1ed3n s\u00e1ng d\u01b0\u1edbi d\u1ea1ng m\u1ed9t OLTS.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 C\u00e1c lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang v\u00e0 c\u00e1ch ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4i tr\u01b0\u1eddng s\u1ee3i quang kh\u00e1c nhau \u0111\u00f2i h\u1ecfi c\u00e1c lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) kh\u00e1c nhau, v\u00e0 vi\u1ec7c ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u ki\u1ec3m tra c\u1ee5 th\u1ec3, y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u0169ng nh\u01b0 c\u00e1c t\u00ecnh hu\u1ed1ng tri\u1ec3n khai. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u1ea3 c\u00e1c lo\u1ea1i s\u1eb5n c\u00f3 l\u1eabn c\u00e1c ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn then ch\u1ed1t s\u1ebd \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u trong ki\u1ec3m tra module quang.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4495e8f36ffd43bfb1b70206350f954d.jpg\" alt=\"Types of Optical Power Meters and How to Choose the Right One\" class=\"wp-image-2488\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4495e8f36ffd43bfb1b70206350f954d.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4495e8f36ffd43bfb1b70206350f954d-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4495e8f36ffd43bfb1b70206350f954d-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4495e8f36ffd43bfb1b70206350f954d-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4495e8f36ffd43bfb1b70206350f954d-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang ph\u1ed5 bi\u1ebfn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OPM c\u1ea7m tay<\/strong><br\/>Nh\u1ecf g\u1ecdn, di \u0111\u1ed9ng v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng, c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang c\u1ea7m tay l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn nh\u1ea5t d\u00e0nh cho k\u1ef9 thu\u1eadt vi\u00ean hi\u1ec7n tr\u01b0\u1eddng. Ch\u00fang l\u00fd t\u01b0\u1edfng cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>L\u1eafp \u0111\u1eb7t s\u1ee3i quang<\/p><\/li><li><p>G\u1ee1 r\u1ed1i s\u1ef1 c\u1ed1 t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/p><\/li><li><p>B\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o nhanh v\u00e0 ki\u1ec3m tra m\u1ea1ng h\u00e0ng ng\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>OPM ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/strong><br\/>Nh\u1eefng \u0111\u1ed3ng h\u1ed3 \u0111o n\u00e0y \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u00e0nh ri\u00eang cho c\u00e1c m\u00f4i tr\u01b0\u1eddng y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng \u0111o l\u01b0\u1eddng n\u00e2ng cao. C\u00e1c t\u00ednh n\u0103ng \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 l\u1ea5y m\u1eabu nhanh h\u01a1n<\/p><\/li><li><p>D\u1ea3i \u0111\u1ed9ng r\u1ed9ng h\u01a1n<\/p><\/li><li><p>\u0110\u1ed9 ch\u00ednh x\u00e1c \u0111o cao h\u01a1n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ki\u1ec3m tra t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m<\/p><\/li><li><p>X\u00e1c th\u1ef1c s\u1ea3n xu\u1ea5t<\/p><\/li><li><p>\u0110\u00e1nh gi\u00e1 hi\u1ec7u n\u0103ng module quang<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t PON v\u00e0 c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o chuy\u00ean bi\u1ec7t theo m\u1ea1ng<\/strong><br\/>C\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c lo\u1ea1i m\u1ea1ng c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/passive-optical-networks-what-they-are-and-how-they-work\/\">M\u1ea1ng quang th\u1ee5 \u0111\u1ed9ng<\/a> (PON). C\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o n\u00e0y c\u00f3 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110o \u0111\u1ed3ng th\u1eddi nhi\u1ec1u b\u01b0\u1edbc s\u00f3ng<\/p><\/li><li><p>H\u1ed7 tr\u1ee3 ki\u1ec3m tra m\u1ea1ng \u0111ang ho\u1ea1t \u0111\u1ed9ng<\/p><\/li><li><p>T\u00edch h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng ki\u1ec3m tra v\u00e0 ch\u1ea9n \u0111o\u00e1n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-ftth-fiber-to-the-home\/\">FTTH<\/a> Vi\u1ec7c tri\u1ec3n khai m\u1ea1ng<\/p><\/li><li><p>C\u00e1c m\u1ea1ng truy nh\u1eadp vi\u1ec5n th\u00f4ng<\/p><\/li><li><p>C\u00e1c quy tr\u00ecnh ki\u1ec3m tra t\u00edch h\u1ee3p<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u1ed7 tr\u1ee3 b\u01b0\u1edbc s\u00f3ng<\/strong><br\/>\u0110\u1ea3m b\u1ea3o \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) h\u1ed7 tr\u1ee3 c\u00e1c b\u01b0\u1edbc s\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n, v\u00ed d\u1ee5 nh\u01b0 850 nm, 1310 nm ho\u1eb7c 1550 nm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D\u1ea3i \u0111o<\/strong><br\/>Ch\u1ecdn m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f3 kh\u1ea3 n\u0103ng \u0111o ch\u00ednh x\u00e1c c\u1ea3 hai gi\u00e1 tr\u1ecb sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00f4ng su\u1ea5t \u0111\u1ea7u ra cao t\u1eeb b\u1ed9 ph\u00e1t<\/p><\/li><li><p>M\u1ee9c t\u00edn hi\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c th\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u01b0\u01a1ng th\u00edch \u0111\u1ea7u n\u1ed1i<\/strong><br\/>X\u00e1c minh r\u1eb1ng thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 c\u00e1c lo\u1ea1i \u0111\u1ea7u n\u1ed1i b\u1ea1n \u0111ang s\u1eed d\u1ee5ng, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-duplex-lc-connector-explained\/\">LC<\/a><\/p><\/li><li><p>SC<\/p><\/li><li><p>FC<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o vi\u1ec7c t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0o quy tr\u00ecnh ki\u1ec3m tra c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u chu\u1ea9n<\/strong><br\/>\u0110\u1ed1i v\u1edbi ki\u1ec3m tra trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t, \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 hi\u1ec7u chu\u1ea9n \u0111\u00fang l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. H\u00e3y t\u00ecm ki\u1ebfm c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ed9 b\u1ea5t \u0111\u1ecbnh \u0111o l\u01b0\u1eddng th\u1ea5p<\/p><\/li><li><p>Kho\u1ea3ng th\u1eddi gian hi\u1ec7u chu\u1ea9n \u1ed5n \u0111\u1ecbnh<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng<\/strong><br\/>L\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean v\u1ecb tr\u00ed v\u00e0 c\u00e1ch th\u1ee9c s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>D\u1ecbch v\u1ee5 t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u2192 thi\u1ebft k\u1ebf c\u1ea7m tay, b\u1ec1n b\u1ec9<\/p><\/li><li><p>Trung t\u00e2m d\u1eef li\u1ec7u \u2192 ki\u1ec3m tra nhanh v\u00e0 \u0111\u00e1ng tin c\u1eady<\/p><\/li><li><p>S\u1ea3n xu\u1ea5t \u2192 \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 h\u1ed7 tr\u1ee3 t\u1ef1 \u0111\u1ed9ng h\u00f3a<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Th\u00f4ng tin tr\u1ecdng y\u1ebfu:<\/strong><br\/>\u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) t\u1ed1t nh\u1ea5t kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn nh\u1ea5t\u2014m\u00e0 l\u00e0 thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u m\u1ea1ng, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a module quang v\u00e0 \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m tra th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 C\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1edfi OPM trong c\u00e1c li\u00ean k\u1ebft quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t gi\u00fap gi\u1ea3i quy\u1ebft nhi\u1ec1u v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn \u1edf t\u1ea7ng quang xu\u1ea5t hi\u1ec7n trong c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e845a046727444ef9b31dd4433691bd3.jpg\" alt=\"Common Problems Solved by OPM in Optical Links\" class=\"wp-image-2489\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e845a046727444ef9b31dd4433691bd3.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e845a046727444ef9b31dd4433691bd3-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e845a046727444ef9b31dd4433691bd3-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e845a046727444ef9b31dd4433691bd3-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e845a046727444ef9b31dd4433691bd3-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Ph\u00e1t hi\u1ec7n qu\u00e1 t\u1ea3i b\u1ed9 thu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu qu\u00e1 nhi\u1ec1u c\u00f4ng su\u1ea5t \u0111\u1ebfn b\u1ed9 thu, \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n t\u00ecnh tr\u1ea1ng n\u00e0y tr\u01b0\u1edbc khi li\u00ean k\u1ebft tr\u1edf n\u00ean m\u1ea5t \u1ed5n \u0111\u1ecbnh ho\u1eb7c module b\u1ecb qu\u00e1 t\u1ea3i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u00f4ng su\u1ea5t th\u1ea5p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu t\u00edn hi\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c qu\u00e1 y\u1ebfu, \u0111\u1ed3ng h\u1ed3 \u0111o s\u1ebd gi\u00fap x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u00e2y ra v\u1ea5n \u0111\u1ec1\u2014c\u00f3 th\u1ec3 do suy hao cao, \u0111\u1ea7u n\u1ed1i b\u1ea9n, s\u1ee3i quang b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c b\u1ed9 ph\u00e1t y\u1ebfu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110\u1ed9 l\u1eb7p l\u1ea1i c\u1ee7a ph\u00e9p \u0111o<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 s\u1ea3n xu\u1ea5t, vi\u1ec7c \u0111o c\u00f4ng su\u1ea5t quang m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n gi\u00fap \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 c\u00f3 th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c gi\u1eefa c\u00e1c l\u1ea7n \u0111o v\u00e0 gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Ki\u1ec3m tra ng\u00e2n s\u00e1ch li\u00ean k\u1ebft<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ef9 s\u01b0 s\u1eed d\u1ee5ng c\u00e1c gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c t\u1eeb \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) \u0111\u1ec3 x\u00e1c nh\u1eadn li\u1ec7u c\u00f4ng su\u1ea5t \u0111o \u0111\u01b0\u1ee3c c\u00f3 kh\u1edbp v\u1edbi ng\u00e2n s\u00e1ch li\u00ean k\u1ebft \u0111\u00e3 l\u1eadp k\u1ebf ho\u1ea1ch hay kh\u00f4ng, c\u0169ng nh\u01b0 h\u1ec7 th\u1ed1ng c\u00f3 \u0111\u1ee7 d\u1ef1 ph\u00f2ng \u0111\u1ec3 v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\u2705 K\u1ebft lu\u1eadn: V\u00ec sao OPM l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi hi\u1ec7u n\u0103ng module quang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>M\u00e1y \u0111o c\u00f4ng su\u1ea5t quang (OPM)<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb quan tr\u1ecdng nh\u1ea5t trong ki\u1ec3m tra s\u1ee3i quang v\u00ec n\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng quan s\u00e1t tr\u1ef1c ti\u1ebfp m\u1ee9c \u0111\u1ed9 m\u1ea1nh c\u1ee7a t\u00edn hi\u1ec7u quang. Thi\u1ebft b\u1ecb n\u00e0y h\u1ed7 tr\u1ee3 vi\u1ec7c x\u00e1c minh b\u1ed9 ph\u00e1t, b\u1ea3o v\u1ec7 b\u1ed9 thu, ki\u1ec3m tra suy hao v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1 h\u00e0ng ng\u00e0y. \u0110\u1eb7c bi\u1ec7t trong ki\u1ec3m tra SFP, OPM gi\u00fap k\u1ef9 s\u01b0 x\u00e1c nh\u1eadn r\u1eb1ng module \u0111ang ho\u1ea1t \u0111\u1ed9ng trong c\u1eeda s\u1ed5 c\u00f4ng su\u1ea5t ph\u00f9 h\u1ee3p v\u00e0 li\u00ean k\u1ebft \u0111ang v\u1eadn h\u00e0nh nh\u01b0 mong \u0111\u1ee3i.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/543661228b6d4b9c9d3bb6ecf0a38b19.jpg\" alt=\"Why OPM Is Essential for Optical Module Performance\" class=\"wp-image-2490\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/543661228b6d4b9c9d3bb6ecf0a38b19.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/543661228b6d4b9c9d3bb6ecf0a38b19-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/543661228b6d4b9c9d3bb6ecf0a38b19-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/543661228b6d4b9c9d3bb6ecf0a38b19-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/543661228b6d4b9c9d3bb6ecf0a38b19-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean th\u1ef1c t\u1ebf, m\u1ed9t m\u1ea1ng quang \u0111\u00e1ng tin c\u1eady ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, ng\u00e2n s\u00e1ch li\u00ean k\u1ebft ch\u00ednh x\u00e1c v\u00e0 ph\u00e9p \u0111o ch\u00ednh x\u00e1c. \u0110\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) n\u1eb1m \u1edf trung t\u00e2m c\u1ee7a quy tr\u00ecnh n\u00e0y, do \u0111\u00f3 l\u00e0 c\u00f4ng c\u1ee5 n\u1ec1n t\u1ea3ng cho c\u1ea3 \u0111\u1ed9i l\u1eafp \u0111\u1eb7t, k\u1ef9 s\u01b0 ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 c\u00f3 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady v\u00e0 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">C\u00e1c m\u00f4-\u0111un SFP<\/a> h\u00e3y kh\u00e1m ph\u00e1 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\"><strong>C\u1eeda h\u00e0ng Ch\u00ednh th\u1ee9c LINK-PP<\/strong><\/a> \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ki\u1ec3m tra v\u00e0 tri\u1ec3n khai s\u1ee3i quang c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e9p \u0111o t\u1ed1t h\u01a1n d\u1eabn \u0111\u1ebfn hi\u1ec7u n\u0103ng m\u1ea1ng t\u1ed1t h\u01a1n. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1ed3ng h\u1ed3 \u0111o c\u00f4ng su\u1ea5t quang (OPM) v\u00e0 s\u1eed d\u1ee5ng n\u00f3 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 gi\u00fap vi\u1ec7c ki\u1ec3m tra SFP tr\u1edf n\u00ean nhanh h\u01a1n, r\u00f5 r\u00e0ng h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n. <\/p>","protected":false},"excerpt":{"rendered":"<p>M\u00e1y \u0111o c\u00f4ng su\u1ea5t quang (OPM) l\u00e0 g\u00ec, c\u00e1ch n\u00f3 \u0111o c\u00f4ng su\u1ea5t quang v\u00e0 suy hao, c\u0169ng nh\u01b0 l\u00fd do v\u00ec sao n\u00f3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c ki\u1ec3m tra m\u00f4-\u0111un quang, SFP v\u00e0 QSFP.<\/p>","protected":false},"author":1,"featured_media":2491,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[26],"class_list":["post-2492","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2492","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=2492"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2492\/revisions"}],"predecessor-version":[{"id":10711,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2492\/revisions\/10711"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/2491"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=2492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=2492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=2492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}