{"id":3635,"date":"2025-11-26T00:00:00","date_gmt":"2025-11-26T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/how-to-match-sfp-modules-with-your-switch-or-media-converter\/"},"modified":"2026-06-22T04:41:03","modified_gmt":"2026-06-22T04:41:03","slug":"how-to-match-sfp-modules-with-your-switch-or-media-converter","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/how-to-match-sfp-modules-with-your-switch-or-media-converter","title":{"rendered":"C\u00e1ch K\u1ebft N\u1ed1i C\u00e1c M\u00f4-\u0111un SFP V\u1edbi B\u1ed9 Chuy\u1ec3n M\u1ea1ch Ho\u1eb7c B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i Truy\u1ec1n Th\u00f4ng C\u1ee7a B\u1ea1n"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Kh\u1edbp c\u00e1c m\u00f4-\u0111un SFP v\u1edbi<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-network-switch\/\">routers<\/a> or <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/media-converters-what-they-are-and-how-media-converters-work\/\">b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n (media converters)<br><\/a> l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng trong vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ea1ng quang s\u1ee3i \u0111\u00e1ng tin c\u1eady. Vi\u1ec7c s\u1eed d\u1ee5ng m\u00f4-\u0111un sai c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i li\u00ean k\u1ebft, hi\u1ec7u su\u1ea5t gi\u1ea3m ho\u1eb7c ho\u00e0n to\u00e0n kh\u00f4ng t\u01b0\u01a1ng th\u00edch. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch c\u00e1c y\u1ebfu t\u1ed1 then ch\u1ed1t b\u1ea1n ph\u1ea3i x\u00e1c minh\u2014d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n ng\u00e0nh th\u1ef1c t\u1ebf v\u00e0 y\u00eau c\u1ea7u c\u1ee7a nh\u00e0 cung c\u1ea5p\u2014\u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng<br> <strong>m\u00f4-\u0111un SFP<\/strong> ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch v\u1edbi thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 h\u1ed7 tr\u1ee3 tri\u1ec3n khai c\u00f4ng nghi\u1ec7p v\u00e0 th\u01b0\u01a1ng m\u1ea1i, b\u00e0i vi\u1ebft n\u00e0y c\u0169ng n\u00eau b\u1eadt c\u00e1c m\u00f4-\u0111un t\u01b0\u01a1ng th\u00edch<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">b\u1ed9 thu ph\u00e1t quang<\/a> t\u1eeb LINK-PP:<br><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3a7793dac8254d38b94d67307e46f5f4.webp\" alt=\"optical transceivers\" class=\"wp-image-3629\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3a7793dac8254d38b94d67307e46f5f4.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3a7793dac8254d38b94d67307e46f5f4-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3a7793dac8254d38b94d67307e46f5f4-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3a7793dac8254d38b94d67307e46f5f4-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3a7793dac8254d38b94d67307e46f5f4-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f V\u00ec sao t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a SFP l\u1ea1i quan tr\u1ecdng<br><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">SFP (Small Form-factor Pluggable) v\u00e0<br> <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\">m\u00f4-\u0111un SFP+<\/a> c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng nhau, nh\u01b0ng ch\u00fang kh\u00e1c nhau v\u1ec1 t\u1ed1c \u0111\u1ed9, m\u00e3 h\u00f3a v\u00e0 th\u00f4ng s\u1ed1 quang h\u1ecdc. C\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1ea1ng v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n di\u1ec5n gi\u1ea3i c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y m\u1ed9t c\u00e1ch nghi\u00eam ng\u1eb7t. S\u1ef1 kh\u00f4ng kh\u1edbp c\u00f3 th\u1ec3 g\u00e2y ra:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f4ng c\u00f3 li\u00ean k\u1ebft ho\u1eb7c li\u00ean k\u1ebft ch\u1eadp ch\u1eddn<br><\/p><\/li>\n\n\n\n<li><p>C\u1ea3nh b\u00e1o nh\u01b0 \u201cb\u1ed9 thu ph\u00e1t kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.\u201d<br>\u201d<\/p><\/li>\n\n\n\n<li><p>Th\u00f4ng l\u01b0\u1ee3ng gi\u1ea3m ho\u1eb7c truy\u1ec1n d\u1eabn kh\u00f4ng \u1ed5n \u0111\u1ecbnh<br><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ddm-dom-in-optical-transceivers\/\" target=\"_blank\" rel=\"\">Gi\u00e1m s\u00e1t DDM\/DOM<br><\/a> th\u1ea5t b\u1ea1i<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch gi\u00fap tr\u00e1nh vi\u1ec7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 sau n\u00e0y v\u00e0 b\u1ea3o \u0111\u1ea3m hi\u1ec7u su\u1ea5t m\u1ea1ng \u1ed5n \u0111\u1ecbnh.<br>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f Ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi thi\u1ebft b\u1ecb tr\u01b0\u1edbc ti\u00ean<br><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25cf Xem l\u1ea1i Danh s\u00e1ch B\u1ed9 thu ph\u00e1t \u0110\u01b0\u1ee3c H\u1ed7 tr\u1ee3 c\u1ee7a Nh\u00e0 s\u1ea3n xu\u1ea5t<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch th\u01b0\u01a1ng hi\u1ec7u\u2014nh\u01b0 Cisco, HPE, Aruba, Juniper, MikroTik\u2014\u0111\u1ec1u c\u00f4ng b\u1ed1 \u201cDanh s\u00e1ch B\u1ed9 thu ph\u00e1t \u0110\u01b0\u1ee3c H\u1ed7 tr\u1ee3.\u201d<br>\u201d<br>Tr\u01b0\u1edbc khi mua b\u1ea5t k\u1ef3 m\u00f4-\u0111un SFP n\u00e0o, h\u00e3y x\u00e1c minh r\u1eb1ng:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u00f4 h\u00ecnh m\u00f4-\u0111un \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea r\u00f5 r\u00e0ng<br><\/p><\/li>\n\n\n\n<li><p>Lo\u1ea1i m\u00f4-\u0111un (<br><a href=\"https:\/\/www.l-p.com\/products\/476091.htm\" target=\"_blank\" rel=\"\">1G<\/a>, <a href=\"https:\/\/www.l-p.com\/products\/482784.htm\" target=\"_blank\" rel=\"\">Kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/a>,<a href=\"https:\/\/www.l-p.com\/products\/491626.htm\" target=\"_blank\" rel=\"\"> BiDi<br><\/a>, <a href=\"https:\/\/www.l-p.com\/products\/491684.htm\" target=\"_blank\" rel=\"\">CWDM<\/a>, <a href=\"https:\/\/www.l-p.com\/products\/489213.htm\" target=\"_blank\" rel=\"\">DWDM<\/a>, v.v.) \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<br><\/p><\/li>\n\n\n\n<li><p>Thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 m\u00f4-\u0111un b\u00ean th\u1ee9 ba (nhi\u1ec1u thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3, m\u1ed9t s\u1ed1 kh\u00e1c h\u1ea1n ch\u1ebf th\u00f4ng qua firmware)<br><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25cf Hi\u1ec3u v\u1ec1 Kh\u00f3a nh\u00e0 cung c\u1ea5p v\u00e0 M\u00e3 h\u00f3a<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p \u00e1p d\u1ee5ng m\u00e3 h\u00f3a (<br><a target=\"\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/how-eeprom-powers-sfp-and-qsfp-optical-modules\/\">B\u1ed9 nh\u1edb EEPROM<\/a> ch\u1eef k\u00fd). M\u1ed9t m\u00f4-\u0111un SFP t\u01b0\u01a1ng th\u00edch ph\u1ea3i kh\u1edbp v\u1edbi ID nh\u00e0 cung c\u1ea5p \u0111\u1ec3 tr\u00e1nh:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u201cC\u1ea3nh b\u00e1o \u201db\u1ed9 thu ph\u00e1t kh\u00f4ng \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n\u201d<br><\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng quang b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un LINK-PP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a \u0111\u1ec3 kh\u1edbp v\u1edbi c\u00e1c th\u01b0\u01a1ng hi\u1ec7u l\u1edbn, do \u0111\u00f3 ph\u00f9 h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng \u0111a th\u01b0\u01a1ng hi\u1ec7u.<br>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f Kh\u1edbp \u0111\u00fang t\u1ed1c \u0111\u1ed9: SFP so v\u1edbi SFP+ so v\u1edbi SFP28<br><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b7 T\u1ed1c \u0111\u1ed9 ph\u1ea3i kh\u1edbp v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a c\u1ed5ng<br><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5239590ee8134197a90535d46ace13ab.webp\" alt=\"SFP vs SFP+ vs SFP28\" class=\"wp-image-3630\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5239590ee8134197a90535d46ace13ab.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5239590ee8134197a90535d46ace13ab-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5239590ee8134197a90535d46ace13ab-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5239590ee8134197a90535d46ace13ab-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5239590ee8134197a90535d46ace13ab-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\" target=\"_blank\" rel=\"\"><strong>SFP = 1,25 Gbps (1G)<br><\/strong><\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\" target=\"_blank\" rel=\"\"><strong>SFP+ = 10 Gbps (10G)<br><\/strong><\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\" target=\"_blank\" rel=\"\"><strong>SFP28 = 25 Gbps (25G)<br><\/strong><\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c c\u1ed5ng chuy\u1ec3n m\u1ea1ch kh\u00f4ng t\u1ef1 \u0111\u1ed9ng \u0111\u00e0m ph\u00e1n t\u1ed1c \u0111\u1ed9 gi\u1eefa SFP\/SFP+. M\u1ed9t m\u00f4-\u0111un SFP 1G kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng SFP+ ch\u1ec9 h\u1ed7 tr\u1ee3 10G.<br>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b7 X\u00e1c minh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 c\u1ed5ng 10G h\u1ed7 tr\u1ee3 tr\u1edf v\u1ec1 1G; m\u1ed9t s\u1ed1 kh\u00e1c th\u00ec kh\u00f4ng. \u0110i\u1ec1u n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o:<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thi\u1ebft k\u1ebf PHY<\/p><\/li>\n\n\n\n<li><p>Ph\u1ea7n\u56fa\u4ef6<\/p><\/li>\n\n\n\n<li><p>T\u1ea1o n\u1ec1n t\u1ea3ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lu\u00f4n x\u00e1c nh\u1eadn trong t\u00e0i li\u1ec7u nh\u00e0 cung c\u1ea5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f Kh\u1edbp Lo\u1ea1i S\u1ee3i Quang v\u00e0 Giao Di\u1ec7n \u0110\u1ea7u N\u1ed1i<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2666 <\/strong>Lo\u1ea1i s\u1ee3i quang ph\u1ea3i kh\u1edbp \u1edf c\u1ea3 hai \u0111\u1ea7u c\u1ee7a li\u00ean k\u1ebft<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e800c3306c14a5080139491ef6c82b5-1024x608.webp\" alt=\"optical transceivers\" class=\"wp-image-3631\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e800c3306c14a5080139491ef6c82b5-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e800c3306c14a5080139491ef6c82b5-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e800c3306c14a5080139491ef6c82b5-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e800c3306c14a5080139491ef6c82b5-18x12.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0e800c3306c14a5080139491ef6c82b5.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u0110\u01a1n ch\u1ebf \u0111\u1ed9 (SMF, OS1\/OS2)<\/strong> cho truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa<\/p><\/li>\n\n\n\n<li><p><strong>\u0110a ch\u1ebf \u0111\u1ed9 (MMF, OM2\/OM3\/OM4\/OM5)<\/strong> cho k\u1ebft n\u1ed1i kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/smf-optical-transceiver-vs-mmf-optical-transceiver-guide\/\">SMF v\u00e0 MMF<\/a> kh\u00f4ng th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u2666 <\/strong>Lo\u1ea1i \u0111\u1ea7u n\u1ed1i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n l\u1edbn m\u00f4-\u0111un SFP s\u1eed d\u1ee5ng <strong>LC hai chi\u1ec1u<\/strong>, trong khi m\u1ed9t s\u1ed1 (BiDi, \u0111\u1ed3ng RJ45) kh\u00e1c bi\u1ec7t. \u0110\u1ea3m b\u1ea3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ea7u n\u1ed1i LC-LC cho s\u1ee3i quang duplex<\/p><\/li>\n\n\n\n<li><p>Chuy\u1ec3n \u0111\u1ed5i LC-SC ch\u1ec9 qua b\u1ea3ng \u0111\u1ea5u n\u1ed1i ho\u1eb7c d\u00e2y n\u1ed1i (pigtail)<\/p><\/li>\n\n\n\n<li><p>Kh\u00f4ng tr\u1ed9n BiDi v\u00e0 duplex tr\u00ean c\u00f9ng m\u1ed9t li\u00ean k\u1ebft<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f Kh\u1edbp B\u01b0\u1edbc S\u00f3ng Quang v\u00e0 Kho\u1ea3ng C\u00e1ch Truy\u1ec1n D\u1eabn<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25cf \u0110\u1ea3m b\u1ea3o C\u1ea3 Hai \u0110\u1ea7u S\u1eed D\u1ee5ng C\u00f9ng M\u1ed9t B\u01b0\u1edbc S\u00f3ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c c\u1eb7p b\u01b0\u1edbc s\u00f3ng ti\u00eau chu\u1ea9n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/850nm-optical-transceivers-for-short-reach-mmf-transmission\/\" target=\"_blank\" rel=\"\"><strong>850nm<\/strong><\/a><strong> (MMF)<br><\/strong><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/1310nm-optical-module-applications-performance-comparison\/\" target=\"_blank\" rel=\"\"><strong>1310nm<\/strong><\/a><strong> (ph\u1ea1m vi ng\u1eafn\/v\u1eeba tr\u00ean SMF)<\/strong><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-1550nm-optical-transceiver\/\" target=\"_blank\" rel=\"\"><strong>1550 nm<\/strong><\/a><strong> (ph\u1ea1m vi xa tr\u00ean SMF)<\/strong><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/491683.htm\" target=\"_blank\" rel=\"\"><strong>C\u00e1c c\u1eb7p BiDi<\/strong><\/a><strong> v\u00ed d\u1ee5 nh\u01b0 1310\/1550nm<\/strong> (ph\u1ea3i kh\u1edbp TX\/RX \u1edf hai \u0111\u1ea7u \u0111\u1ed1i di\u1ec7n)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c s\u1eed d\u1ee5ng b\u01b0\u1edbc s\u00f3ng kh\u00f4ng kh\u1edbp s\u1ebd ng\u0103n ch\u1eb7n vi\u1ec7c thi\u1ebft l\u1eadp li\u00ean k\u1ebft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25cf Ki\u1ec3m tra Ph\u1ea1m Vi T\u1ed1i \u0110a v\u00e0 Ng\u00e2n S\u00e1ch Li\u00ean K\u1ebft<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c x\u1ebfp h\u1ea1ng kho\u1ea3ng c\u00e1ch ph\u1ee5 thu\u1ed9c v\u00e0o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00f4ng su\u1ea5t ph\u00e1t<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ed9 nh\u1ea1y b\u1ed9 thu<\/p><\/li>\n\n\n\n<li><p>Su\u1ea5t suy hao s\u1ee3i quang<\/p><\/li>\n\n\n\n<li><p>T\u1ed5n hao \u0111\u1ea7u n\u1ed1i v\u00e0 m\u1ed1i n\u1ed1i<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>MMF 1G 850nm: <strong>300 m<\/strong><\/p><\/li>\n\n\n\n<li><p>SMF 1G 1310nm: <strong>10 km<\/strong><\/p><\/li>\n\n\n\n<li><p>SMF 1G 1550nm: <strong>80 km<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP kho\u1ea3ng c\u00e1ch xa y\u00eau c\u1ea7u t\u00ednh to\u00e1n ng\u00e2n s\u00e1ch li\u00ean k\u1ebft ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f C\u00e2n Nh\u1eafc M\u1ee9c \u0110\u1ed9 Ch\u1ecbu Nhi\u1ec7t M\u00f4i Tr\u01b0\u1eddng: SFP Th\u01b0\u01a1ng M\u1ea1i vs C\u00f4ng Nghi\u1ec7p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Khi N\u00e0o N\u00ean Ch\u1ecdn M\u00f4-\u0111un SFP C\u00f4ng Nghi\u1ec7p<\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff078e89a25844a5a062c4925a190a4d.webp\" alt=\"Industrial SFP Modules\" class=\"wp-image-3632\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff078e89a25844a5a062c4925a190a4d.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff078e89a25844a5a062c4925a190a4d-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff078e89a25844a5a062c4925a190a4d-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff078e89a25844a5a062c4925a190a4d-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ff078e89a25844a5a062c4925a190a4d-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u1ea1ng c\u00f4ng nghi\u1ec7p\u2014t\u1ef1 \u0111\u1ed9ng h\u00f3a nh\u00e0 m\u00e1y, t\u1ee7 ngo\u00e0i tr\u1eddi, h\u1ec7 th\u1ed1ng giao th\u00f4ng\u2014y\u00eau c\u1ea7u b\u1ed9 thu ph\u00e1t c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u201340\u00b0C \u0111\u1ebfn +85\u00b0C<\/strong> d\u1ea3i nhi\u1ec7t \u0111\u1ed9<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ed9 \u1ea9m cao v\u00e0 rung \u0111\u1ed9ng<\/p><\/li>\n\n\n\n<li><p>Dao \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p<\/p><\/li>\n<\/ul>\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?ca=1691&amp;cv=9216\">C\u00e1c m\u00f4-\u0111un SFP LINK-PP c\u00f4ng nghi\u1ec7p<\/a> \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u1ec1 \u0111\u1ed9 tin c\u1eady trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 m\u1edf r\u1ed9ng v\u00e0 m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f X\u00e1c Minh H\u1ed7 Tr\u1ee3 DDM\/DOM<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m Tra Thi\u1ebft B\u1ecb C\u1ee7a B\u1ea1n C\u00f3 H\u1ed7 Tr\u1ee3 Ch\u1ea9n \u0110o\u00e1n K\u1ef9 Thu\u1eadt S\u1ed1 Hay Kh\u00f4ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-8472-standard-explained-ddm-for-optical-transceivers\/\">DDM\/DOM (SFF-8472)<\/a> cho ph\u00e9p gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c c\u00e1c th\u00f4ng s\u1ed1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00f4ng su\u1ea5t quang ph\u00e1t<\/p><\/li>\n\n\n\n<li><p>C\u00f4ng su\u1ea5t quang thu<\/p><\/li>\n\n\n\n<li><p>Nhi\u1ec7t \u0111\u1ed9<\/p><\/li>\n\n\n\n<li><p>\u0110i\u1ec7n \u00e1p cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>D\u00f2ng ph\u00e2n c\u1ef1c laser<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 switch y\u00eau c\u1ea7u SFP c\u00f3 h\u1ed7 tr\u1ee3 DDM, trong khi c\u00e1c thi\u1ebft b\u1ecb c\u0169 c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f X\u00e1c Nh\u1eadn Lo\u1ea1i \u1ee8ng D\u1ee5ng: Ethernet, Fibre Channel ho\u1eb7c CWDM\/DWDM<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b2 Ethernet so v\u1edbi Fibre Channel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hai lo\u1ea1i n\u00e0y kh\u00f4ng th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>C\u00e1c m\u00f4-\u0111un Ethernet SFP<\/strong> tu\u00e2n theo ti\u00eau chu\u1ea9n IEEE 802.3<\/p><\/li>\n\n\n\n<li><p><strong>SFP Fibre Channel<\/strong> tu\u00e2n theo ti\u00eau chu\u1ea9n FC-PI<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b2 CWDM\/DWDM cho Li\u00ean K\u1ebft \u0110\u00f4 Th\u1ecb Kho\u1ea3ng C\u00e1ch Xa<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c d\u00f9ng trong <a target=\"_blank\" rel=\"\" href=\"https:\/\/ISP\">However, many beginners are confused by common questions such as:<\/a>, vi\u1ec5n th\u00f4ng v\u00e0 h\u1ec7 th\u1ed1ng WDM. Y\u00eau c\u1ea7u kh\u1edbp:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kho\u1ea3ng c\u00e1ch k\u00eanh ITU<\/p><\/li>\n\n\n\n<li><p>K\u1ebf ho\u1ea1ch d\u1ea3i t\u1ea7n<\/p><\/li>\n\n\n\n<li><p>Ng\u00e2n s\u00e1ch li\u00ean k\u1ebft<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f C\u00e1c M\u00f4-\u0111un SFP T\u01b0\u01a1ng Th\u00edch LINK-PP \u0110\u1ec1 Xu\u1ea5t<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96fbd57704584da2a1b7ea4f195cfcd6.webp\" alt=\"LINK-PP SFP Modules\" class=\"wp-image-3633\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96fbd57704584da2a1b7ea4f195cfcd6.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96fbd57704584da2a1b7ea4f195cfcd6-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96fbd57704584da2a1b7ea4f195cfcd6-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96fbd57704584da2a1b7ea4f195cfcd6-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/96fbd57704584da2a1b7ea4f195cfcd6-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\">LINK-PP<\/a> cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c module SFP v\u00e0 SFP+ c\u00f4ng nghi\u1ec7p \u0111\u00e1ng tin c\u1eady 1G\/10G t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p b\u1ed9 chuy\u1ec3n m\u1ea1ch h\u00e0ng \u0111\u1ea7u:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Module SFP 1G SX \/ LX cho s\u1ee3i quang \u0111\u01a1n mode\/\u0111a mode<\/p><\/li>\n\n\n\n<li><p>Module SFP+ 10G SR \/ LR<\/p><\/li>\n\n\n\n<li><p>Module SFP BiDi cho k\u1ebft n\u1ed1i s\u1ee3i quang \u0111\u01a1n<\/p><\/li>\n\n\n\n<li><p>Module SFP c\u00f4ng nghi\u1ec7p d\u00e0nh cho nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n IEEE, SFF-8472 v\u00e0 MSA, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn module SFP ph\u00f9 h\u1ee3p v\u1edbi b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n c\u1ee7a b\u1ea1n \u0111\u00f2i h\u1ecfi ph\u1ea3i x\u00e1c th\u1ef1c nhi\u1ec1u th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt: t\u01b0\u01a1ng th\u00edch thi\u1ebft b\u1ecb, t\u1ed1c \u0111\u1ed9 c\u1ed5ng, lo\u1ea1i s\u1ee3i quang, b\u01b0\u1edbc s\u00f3ng, kho\u1ea3ng c\u00e1ch, m\u00e3 h\u00f3a v\u00e0 c\u1ea5p \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng. Vi\u1ec7c ki\u1ec3m tra c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u0111\u1ea3m b\u1ea3o module SFP t\u00edch h\u1ee3p tr\u01a1n tru v\u00e0o m\u1ea1ng c\u1ee7a b\u1ea1n v\u00e0 mang l\u1ea1i hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, b\u1ec1n b\u1ec9 trong th\u1eddi gian d\u00e0i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 b\u1ea1n \u0111ang tri\u1ec3n khai m\u1ea1ng doanh nghi\u1ec7p hay h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, vi\u1ec7c l\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p module SFP \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng\u2014v\u00ed d\u1ee5 nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK-PP<\/strong><\/a>\u2014gi\u00fap lo\u1ea1i b\u1ecf r\u1ee7i ro v\u1ec1 t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a thi\u1ebft k\u1ebf m\u1ea1ng.<\/p>\n\n\n\n<div><div widgetid=\"3ef779ac451211f099380a58fbc66727\" format=\"embedded\" data-widget-id=\"3ef779ac451211f099380a58fbc66727\" data-mode=\"production.zh\" style=\"display: block;\"><\/div><\/div>\n\n\n\n<script src=\"https:\/\/cdn.mylandingpages.co\/widgets\/platform\/platform.widget.js\" async=\"true\"><\/script>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch k\u1ebft n\u1ed1i c\u00e1c m\u00f4-\u0111un SFP v\u1edbi b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i truy\u1ec1n th\u00f4ng c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch, t\u1ed1c \u0111\u1ed9, lo\u1ea1i s\u1ee3i quang, b\u01b0\u1edbc s\u00f3ng v\u00e0 kho\u1ea3ng c\u00e1ch. M\u1ed9t h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng v\u00e0 th\u1ef1c ti\u1ec5n.<\/p>","protected":false},"author":1,"featured_media":3634,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3635","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3635","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=3635"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3635\/revisions"}],"predecessor-version":[{"id":10837,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3635\/revisions\/10837"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3634"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}