{"id":5702,"date":"2025-07-23T00:00:00","date_gmt":"2025-07-23T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/40g-qsfp-transceivers-buying-guide\/"},"modified":"2026-06-22T08:49:46","modified_gmt":"2026-06-22T08:49:46","slug":"40g-qsfp-transceivers-buying-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/40g-qsfp-transceivers-buying-guide","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 vi\u1ec7c mua b\u1ed9 thu ph\u00e1t 40G QSFP+"},"content":{"rendered":"<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\/ba19e502fcfb4bd38cbf87025062f6b3.webp\" alt=\"40G QSFP+ Transceivers\" class=\"wp-image-5700\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ba19e502fcfb4bd38cbf87025062f6b3.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ba19e502fcfb4bd38cbf87025062f6b3-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ba19e502fcfb4bd38cbf87025062f6b3-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ba19e502fcfb4bd38cbf87025062f6b3-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ba19e502fcfb4bd38cbf87025062f6b3-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"qc-p1-tag\"><strong>T\u1ed5ng quan:<\/strong><\/span><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> \u0110i\u1ec1u h\u01b0\u1edbng vi\u1ec7c mua s\u1eafm <\/span><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\"><span class=\"qc-p1-tag\" style=\"color: var(--qc-color8);\"><strong>v\u1edbi 4\u00d710G \u0111\u01b0\u1eddng d\u1eabn, m\u1ed7i \u0111\u01b0\u1eddng d\u1eabn c\u00f3 ri\u00eang m\u1ed9t<\/strong><\/span><\/a><span class=\"qc-p1-tag\" style=\"color: rgb(64, 64, 64);\"> \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec3u r\u00f5 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt then ch\u1ed1t, c\u00e1c y\u1ebfu t\u1ed1 t\u01b0\u01a1ng th\u00edch v\u00e0 c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ec1 xu\u1ea5t. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y l\u00e0m r\u00f5 quy tr\u00ecnh l\u1ef1a ch\u1ecdn, bao g\u1ed3m c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 <em>40GBASE-SR4<\/em> and <em>LR4<\/em>, c\u00e1c y\u1ebfu t\u1ed1 then ch\u1ed1t nh\u01b0 y\u00eau c\u1ea7u kho\u1ea3ng c\u00e1ch v\u00e0 tu\u00e2n th\u1ee7 MSA, c\u00e1c chi\u1ebfn l\u01b0\u1ee3c kh\u1eafc ph\u1ee5c th\u00e1ch th\u1ee9c t\u01b0\u01a1ng th\u00edch, c\u0169ng nh\u01b0 l\u1ee3i \u00edch khi ch\u1ecdn c\u00e1c th\u01b0\u01a1ng hi\u1ec7u \u0111\u00e1ng tin c\u1eady nh\u01b0 <strong>LINK-PP<\/strong>. T\u00ecm hi\u1ec3u c\u00e1ch t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng 40G c\u1ee7a b\u1ea1n, bao g\u1ed3m c\u00e1c th\u1ef1c ti\u1ec5n tri\u1ec3n khai t\u1ed1t nh\u1ea5t v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi cho c\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ).<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 Hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a b\u1ed9 thu ph\u00e1t 40G QSFP+<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c b\u1ed9 thu ph\u00e1t 40G QSFP+ (Quad Small Form-factor Pluggable Plus)<\/strong> v\u1eabn \u0111\u00f3ng vai tr\u00f2 thi\u1ebft y\u1ebfu trong trung t\u00e2m d\u1eef li\u1ec7u doanh nghi\u1ec7p, \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao (HPC) v\u00e0 m\u1ea1ng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 y\u00eau c\u1ea7u k\u1ebft n\u1ed1i Ethernet 40 Gigabit (40GbE) ho\u1eb7c Fibre Channel 16G\/32G v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd. Nh\u1eefng module nh\u1ecf g\u1ecdn, h\u1ed7 tr\u1ee3 c\u1eafm n\u00f3ng n\u00e0y <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>module quang<br><\/strong><\/a> mang l\u1ea1i l\u1ee3i th\u1ebf m\u1eadt \u0111\u1ed9 \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c d\u1ea1ng h\u00ecnh c\u0169 h\u01a1n nh\u01b0 SFP+, t\u00edch h\u1ee3p b\u1ed1n k\u00eanh 10G v\u00e0o m\u1ed9t giao di\u1ec7n duy nh\u1ea5t. Ti\u00eau chu\u1ea9n 40G, \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi IEEE 802.3ba, ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng quang h\u1ecdc song song ho\u1eb7c c\u00f4ng ngh\u1ec7 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing\/\">\u0110a h\u1ee3p ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng th\u00f4 (CWDM)<\/a> .<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ti\u00eau chu\u1ea9n QSFP+ then ch\u1ed1t <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\"><p>capability.<\/p><\/a> \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n gi\u1eefa c\u00e1c module c\u1ee7a c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c nhau v\u00e0 thi\u1ebft b\u1ecb ch\u1ee7 (switch, router, NIC). C\u00e1c ti\u00eau chu\u1ea9n 40G ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>40GBASE-SR4:<\/strong> T\u1ea7m ng\u1eafn s\u1eed d\u1ee5ng c\u00e1p quang \u0111a mode OM3\/OM4 (MMF), l\u00ean \u0111\u1ebfn 100 m\/150 m.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>40GBASE-eSR4:<\/strong> T\u1ea7m ng\u1eafn m\u1edf r\u1ed9ng, l\u00ean \u0111\u1ebfn 300 m\/400 m tr\u00ean c\u00e1p quang \u0111a mode OM3\/OM4.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>40GBASE-FR4:<\/strong> Truy\u1ec1n d\u1eabn l\u00ean \u0111\u1ebfn 2 km tr\u00ean c\u00e1p quang \u0111\u01a1n mode.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>40GBASE-LR4:<\/strong> T\u1ea7m xa s\u1eed d\u1ee5ng c\u00e1p quang \u0111\u01a1n mode (SMF), l\u00ean \u0111\u1ebfn 10 km.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>40GBASE-ER4:<\/strong> Thi\u1ebft k\u1ebf gh\u00e9p k\u00eanh\/chia k\u00eanh (MUX\/DEMUX) 4 l\u00e0n CWDM, truy\u1ec1n d\u1eabn l\u00ean \u0111\u1ebfn 40 km.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 C\u00e1c ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn then ch\u1ed1t khi mua b\u1ed9 thu ph\u00e1t 40G QSFP+<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1a ch\u1ecdn \u0111\u00fang <strong>Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t 40G QSFP+<\/strong> \u0111\u00f2i h\u1ecfi \u0111\u00e1nh gi\u00e1 nhi\u1ec1u y\u1ebfu t\u1ed1 then ch\u1ed1t ngo\u00e0i t\u1ed1c \u0111\u1ed9:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>\u1ee8ng d\u1ee5ng &amp; kho\u1ea3ng c\u00e1ch:<\/strong> Chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng truy\u1ec1n l\u00e0 bao nhi\u00eau? Lo\u1ea1i c\u00e1p quang n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t (\u0111a mode OM3\/OM4 hay \u0111\u01a1n mode)?<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px 0px 4px;\"><strong>T\u01b0\u01a1ng th\u00edch lo\u1ea1i c\u00e1p quang:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\" target=\"_blank\" rel=\"\"><strong>C\u00e1p quang \u0111a mode (OM3\/OM4):<\/strong><\/a> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng c\u00e1c module quang SR4 v\u00e0 eSR4 cho k\u1ebft n\u1ed1i trong c\u00f9ng t\u1ee7 rack ho\u1eb7c trong c\u00f9ng trung t\u00e2m d\u1eef li\u1ec7u.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work\/\" target=\"_blank\" rel=\"\"><strong>C\u00e1p quang \u0111\u01a1n mode (OS2):<\/strong><\/a> C\u1ea7n thi\u1ebft cho quang h\u1ecdc LR4 \u0111\u1ec3 truy\u1ec1n tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n gi\u1eefa c\u00e1c t\u00f2a nh\u00e0 ho\u1eb7c xuy\u00ean su\u1ed1t khu\u00f4n vi\u00ean tr\u01b0\u1eddng.<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Lo\u1ea1i b\u1ed9 thu ph\u00e1t &amp; ti\u00eau chu\u1ea9n:<\/strong> Ph\u00f9 h\u1ee3p ch\u00ednh x\u00e1c v\u1edbi ti\u00eau chu\u1ea9n (SR4, LR4, eSR4, ER4) theo kho\u1ea3ng c\u00e1ch v\u00e0 lo\u1ea1i c\u00e1p quang c\u1ee7a b\u1ea1n.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> LR4 s\u1eed d\u1ee5ng b\u1ed1n k\u00eanh CWDM (1271nm, 1291nm, 1311nm, 1331nm). SR4\/eSR4 s\u1eed d\u1ee5ng 850nm <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/overview-of-vcsel\/\" target=\"_blank\" rel=\"\">Laser VCSEL.<\/a> m\u1ea3ng.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>H\u1ed7 tr\u1ee3 DOM:<\/strong> Gi\u00e1m s\u00e1t quang k\u1ef9 thu\u1eadt s\u1ed1 cung c\u1ea5p ch\u1ea9n \u0111o\u00e1n th\u1eddi gian th\u1ef1c (c\u00f4ng su\u1ea5t ph\u00e1t\/nh\u1eadn, nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec7n \u00e1p), r\u1ea5t quan tr\u1ecdng cho qu\u1ea3n l\u00fd m\u1ea1ng ch\u1ee7 \u0111\u1ed9ng v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng:<\/strong> Th\u01b0\u01a1ng m\u1ea1i (0\u00b0C \u0111\u1ebfn 70\u00b0C) ho\u1eb7c M\u1edf r\u1ed9ng (-40\u00b0C \u0111\u1ebfn 85\u00b0C). Ch\u1ecdn d\u1ef1a tr\u00ean m\u00f4i tr\u01b0\u1eddng tri\u1ec3n khai (v\u00ed d\u1ee5: m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p c\u1ea7n d\u1ea3i m\u1edf r\u1ed9ng).<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u1ea3ng: So s\u00e1nh c\u00e1c lo\u1ea1i b\u1ed9 thu ph\u00e1t QSFP+ 40G ph\u1ed5 bi\u1ebfn<\/strong><\/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;\"\/><col style=\"min-width: 25px;\"\/><col style=\"width: 120px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>Lo\u1ea1i b\u1ed9 thu ph\u00e1t<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Ti\u00eau chu\u1ea9n<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"120\"><p><strong>B\u01b0\u1edbc s\u00f3ng<br><\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>SR4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-SR4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF (OM3\/OM4)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100m \/ 150m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft trong t\u1ee7 rack, li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u ng\u1eafn<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"120\"><p>850 nm (4 k\u00eanh)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>eSR4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-eSR4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>MMF (OM3\/OM4)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>300 m \/ 400 m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft n\u1ed9i trung t\u00e2m d\u1eef li\u1ec7u m\u1edf r\u1ed9ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"120\"><p>850 nm (4 k\u00eanh)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>LR4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-LR4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>S\u1ee3i \u0111\u01a1n mode (SMF, OS2)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft gi\u1eefa c\u00e1c t\u00f2a nh\u00e0, li\u00ean k\u1ebft khu\u00f4n vi\u00ean tr\u01b0\u1eddng<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"120\"><p>CWDM (4 k\u00eanh)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>ER4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-ER4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u00ean \u0111\u1ebfn 40 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft Ethernet 40GBASE-ER4<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"120\"><p>CWDM (4 k\u00eanh)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>FR4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40GBASE-FR4<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SMF<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2km<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u, li\u00ean k\u1ebft khu\u00f4n vi\u00ean tr\u01b0\u1eddng 40G<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"120\"><p>CWDM (4 k\u00eanh)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 \u0110i\u1ec1u h\u01b0\u1edbng t\u00ednh t\u01b0\u01a1ng th\u00edch &amp; ti\u00eau chu\u1ea9n MSA<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh t\u01b0\u01a1ng th\u00edch c\u00f3 l\u1ebd l\u00e0 th\u00e1ch th\u1ee9c l\u1edbn nh\u1ea5t khi t\u00ecm ngu\u1ed3n cung <strong>quang h\u1ecdc 40G QSFP+<\/strong>. M\u1eb7c d\u00f9 MSA quy \u0111\u1ecbnh y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd v\u00e0 giao di\u1ec7n \u0111i\u1ec7n c\u01a1 b\u1ea3n, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb ch\u1ee7 (OEM nh\u01b0 Cisco, Juniper, Arista, HPE) th\u01b0\u1eddng tri\u1ec3n khai ph\u1ea7n m\u1ec1m\u56fa\u4ef6 ho\u1eb7c m\u00e3 h\u00f3a ri\u00eang. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c b\u1ed9 thu ph\u00e1t b\u1ecb kh\u00f3a b\u1edfi nh\u00e0 cung c\u1ea5p t\u1eeb ch\u1ed1i b\u1ed9 thu ph\u00e1t c\u1ee7a b\u00ean th\u1ee9 ba ho\u1eb7c <strong>v\u1edbi c\u00e1c th\u01b0\u01a1ng hi\u1ec7u m\u1ea1ng h\u00e0ng \u0111\u1ea7u (Cisco, Juniper, Arista, HPE, v.v.) m\u00e0 kh\u00f4ng \u0111i k\u00e8m m\u1ee9c gi\u00e1 cao ng\u1ea5t ng\u01b0\u1edfng c\u1ee7a c\u00e1c module mang nh\u00e3n hi\u1ec7u nh\u00e0 s\u1ea3n xu\u1ea5t. Vi\u1ec7c s\u1eed d\u1ee5ng <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\"><strong>C\u00e1p AOC v\u00e0 DAC<\/strong><\/a>, hi\u1ec3n th\u1ecb l\u1ed7i ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Ch\u1ecdn c\u00e1c module tu\u00e2n th\u1ee7 MSA:<\/strong> \u0110\u00e2y l\u00e0 y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u tuy\u1ec7t \u0111\u1ed1i. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t uy t\u00edn tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt MSA.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\u01afu ti\u00ean c\u00e1c module \u201ct\u01b0\u01a1ng th\u00edch\u201d ho\u1eb7c \u201cm\u1edf kh\u00f3a\u201d:<\/strong> C\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 <strong>LINK-PP<\/strong> chuy\u00ean s\u1ea3n xu\u1ea5t c\u00e1c module ch\u1ea5t l\u01b0\u1ee3ng cao <strong>v\u1edbi 4\u00d710G \u0111\u01b0\u1eddng d\u1eabn, m\u1ed7i \u0111\u01b0\u1eddng d\u1eabn c\u00f3 ri\u00eang m\u1ed9t<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng OEM kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n m\u00e3 h\u00f3a \u0111\u1eb7c th\u00f9 c\u1ee7a nh\u00e0 cung c\u1ea5p. C\u00e1c module n\u00e0y <strong>c\u00e1c module quang LINK-PP<\/strong> tr\u1ea3i qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra \u0111a nh\u00e0 cung c\u1ea5p nghi\u00eam ng\u1eb7t.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>X\u00e1c minh danh s\u00e1ch t\u01b0\u01a1ng th\u00edch c\u1ee7a nh\u00e0 cung c\u1ea5p:<\/strong> C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t b\u00ean th\u1ee9 ba \u0111\u00e1ng tin c\u1eady cung c\u1ea5p danh s\u00e1ch t\u01b0\u01a1ng th\u00edch chi ti\u1ebft, kh\u1edbp module c\u1ee7a h\u1ecd v\u1edbi c\u00e1c m\u00f4 h\u00ecnh b\u1ed9 chuy\u1ec3n m\u1ea1ch\/b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn OEM c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c phi\u00ean b\u1ea3n h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e2n nh\u1eafc l\u1eadp tr\u00ecnh l\u1ea1i (s\u1eed d\u1ee5ng m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng):<\/strong> M\u1ed9t s\u1ed1 m\u00f4-\u0111un chung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh l\u1ea1i b\u1eb1ng firmware c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM), nh\u01b0ng \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng l\u00e0m m\u1ea5t hi\u1ec7u l\u1ef1c b\u1ea3o h\u00e0nh v\u00e0 ti\u1ec1m \u1ea9n r\u1ee7i ro n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p. <strong>LINK-PP<\/strong> C\u00e1c m\u00f4-\u0111un th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c khi c\u1eafm v\u00e0o, lo\u1ea1i b\u1ecf nhu c\u1ea7u n\u00e0y.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Y\u00eau c\u1ea7u m\u1eabu:<\/strong> Tr\u01b0\u1edbc khi tri\u1ec3n khai quy m\u00f4 l\u1edbn, h\u00e3y ki\u1ec3m tra m\u1ed9t \u0111\u01a1n v\u1ecb m\u1eabu tr\u00ean thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n \u0111\u1ec3 x\u00e1c nh\u1eadn \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9c n\u0103ng v\u00e0 <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/ddm-dom-in-optical-transceivers\/\" target=\"_blank\" rel=\"\">DDM\/DOM<\/a> h\u1ed7 tr\u1ee3.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 T\u1ea1i sao n\u00ean ch\u1ecdn b\u1ed9 thu ph\u00e1t LINK-PP 40G QSFP+?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0b562701049f496595f9d012a232e472-1024x576.webp\" alt=\"Why Choose LINK-PP 40G QSFP+ Transceivers?\" class=\"wp-image-5701\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0b562701049f496595f9d012a232e472-1024x576.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0b562701049f496595f9d012a232e472-300x169.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0b562701049f496595f9d012a232e472-768x432.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0b562701049f496595f9d012a232e472-18x10.webp 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/0b562701049f496595f9d012a232e472.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Khi hi\u1ec7u su\u1ea5t, \u0111\u1ed9 tin c\u1eady v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u00e1ng k\u1ec3 (th\u01b0\u1eddng th\u1ea5p h\u01a1n 50\u201380% so v\u1edbi s\u1ea3n ph\u1ea9m OEM) l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t, <strong>c\u00e1c module quang LINK-PP <\/strong>ch\u00fang mang \u0111\u1ebfn m\u1ed9t gi\u1ea3i ph\u00e1p h\u1ea5p d\u1eabn cho <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\"><strong>Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t 40G QSFP+<\/strong><\/a> c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>\u0110\u1ea3m b\u1ea3o t\u01b0\u01a1ng th\u00edch \u0111a nh\u00e0 cung c\u1ea5p:<\/strong> \u0110\u01b0\u1ee3c ki\u1ec3m tra nghi\u00eam ng\u1eb7t tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng ch\u00ednh (Cisco Nexus\/Juniper QFX\/Arista 7050\/HPE ProCurve, v.v.) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u201cc\u1eafm v\u00e0 ch\u1ea1y\u201d th\u1ef1c s\u1ef1. C\u00e1c <strong>LINK-PP<\/strong> m\u00f4 h\u00ecnh ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/www.l-p.com\/products\/482487.htm\" target=\"_blank\" rel=\"\"><strong>LQ-CW40-LR4C<br><\/strong><\/a><strong>:<\/strong> 40GBASE-LR4 SMF QSFP+ (10 km)<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/www.l-p.com\/products\/482749.htm\" target=\"_blank\" rel=\"\"><strong>LQ-M8540-SR4C<\/strong><\/a><strong>:<\/strong> 40GBASE-SR4 MMF QSFP+ (100 m OM3 \/ 150 m OM4)<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><a href=\"https:\/\/www.l-p.com\/products\/472716.htm\" target=\"_blank\" rel=\"\"><strong>LQ-CW40-ER4C<\/strong><\/a><strong>:<\/strong> 40GBASE-ER4 SMF QSFP+ (40 km)<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 ti\u00eau chu\u1ea9n MSA v\u00e0 h\u1ed7 tr\u1ee3 DOM:<\/strong> \u0110\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t chu\u1ea9n h\u00f3a v\u00e0 kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t:<\/strong> M\u1ed7i <a href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\" target=\"_blank\" rel=\"\"><strong>LINK-PP<\/strong><\/a> \u0110\u01b0\u1ee3c ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u, m\u1ee9c c\u00f4ng su\u1ea5t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u00e1p \u1ee9ng ho\u1eb7c v\u01b0\u1ee3t qu\u00e1 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh. Ch\u00fang t\u00f4i s\u1eed d\u1ee5ng linh ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd d\u00e0i l\u00e2u.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>B\u1ea3o h\u00e0nh tr\u1ecdn \u0111\u1eddi to\u00e0n di\u1ec7n:<\/strong> \u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt h\u00e0ng \u0111\u1ea7u trong ng\u00e0nh, mang l\u1ea1i s\u1ef1 an t\u00e2m tuy\u1ec7t \u0111\u1ed1i.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u qu\u1ea3 chi ph\u00ed:<\/strong> \u0110\u1ea1t \u0111\u01b0\u1ee3c kho\u1ea3n ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3 c\u1ea3 v\u1ec1 chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u (CapEx) l\u1eabn chi ph\u00ed v\u1eadn h\u00e0nh (OpEx) m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng hay hi\u1ec7u n\u0103ng.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>H\u1ed7 tr\u1ee3 chuy\u00ean gia:<\/strong> Truy c\u1eadp \u0111\u1ed9i ng\u0169 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt gi\u00e0u kinh nghi\u1ec7m \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n tr\u01b0\u1edbc b\u00e1n h\u00e0ng v\u00e0 h\u1ed7 tr\u1ee3 sau b\u00e1n h\u00e0ng.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eb5n s\u00e0ng tr\u1ea3i nghi\u1ec7m <strong>LINK-PP<\/strong> s\u1ef1 kh\u00e1c bi\u1ec7t? Kh\u00e1m ph\u00e1 danh m\u1ee5c r\u1ed9ng l\u1edbn c\u00e1c module quang h\u1ecdc hi\u1ec7u su\u1ea5t cao, t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang t\u00f4i <strong>v\u1edbi 4\u00d710G \u0111\u01b0\u1eddng d\u1eabn, m\u1ed7i \u0111\u01b0\u1eddng d\u1eabn c\u00f3 ri\u00eang m\u1ed9t<\/strong>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/sample.htm\"><strong>Y\u00eau c\u1ea7u m\u1eabu ngay \u279e<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 C\u00e1c ph\u01b0\u01a1ng ph\u00e1p tri\u1ec3n khai t\u1ed1t nh\u1ea5t &amp; B\u1ea3o tr\u00ec<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Thao t\u00e1c c\u1ea9n th\u1eadn:<\/strong> Lu\u00f4n s\u1eed d\u1ee5ng <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/esd-protection-link-pp-smart-factory-transceivers-rj45-cage\/\" target=\"_blank\" rel=\"\">ESD<\/a> d\u00e2y \u0111eo c\u1ed5 tay. Tr\u00e1nh ch\u1ea1m v\u00e0o c\u00e1c ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n m\u1ea1 v\u00e0ng ho\u1eb7c c\u00e1c l\u1ed7 quang h\u1ecdc. Gi\u1eef n\u1eafp b\u1ea3o v\u1ec7 tr\u00ean c\u00e1c \u0111\u1ea7u n\u1ed1i cho \u0111\u1ebfn khi s\u1eb5n s\u00e0ng c\u1eafm v\u00e0o.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>\u0110\u1ed9 s\u1ea1ch l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t:<\/strong> \u0110\u1ea7u n\u1ed1i quang b\u1ecb nhi\u1ec5m b\u1ea9n (tr\u00ean module thu ph\u00e1t v\u00e0 d\u00e2y c\u00e1p quang) l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y l\u1ed7i li\u00ean k\u1ebft v\u00e0 sai s\u00f3t. S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 l\u00e0m s\u1ea1ch c\u00e1p quang \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn (h\u1ed9p b\u0103ng l\u00e0m s\u1ea1ch, que lau, thi\u1ebft b\u1ecb b\u1ea5m l\u00e0m s\u1ea1ch) tr\u01b0\u1edbc m\u1ed7i l\u1ea7n c\u1eafm. Ki\u1ec3m tra \u0111\u1ea7u n\u1ed1i b\u1eb1ng k\u00ednh hi\u1ec3n vi s\u1ee3i quang.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>X\u00e1c minh hi\u1ec7u n\u0103ng li\u00ean k\u1ebft:<\/strong> Sau khi l\u1eafp \u0111\u1eb7t, ki\u1ec3m tra th\u1ed1ng k\u00ea giao di\u1ec7n switch (l\u1ed7i, c\u00f4ng su\u1ea5t ph\u00e1t\/nh\u1eadn qua DOM). \u0110\u1ea3m b\u1ea3o c\u00f4ng su\u1ea5t quang nh\u1eadn \u0111\u01b0\u1ee3c (Rx) n\u1eb1m trong d\u1ea3i \u0111\u1ed9 nh\u1ea1y \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh c\u1ee7a module thu ph\u00e1t v\u00e0 kh\u00f4ng qu\u00e1 m\u1ea1nh (b\u00e3o h\u00f2a).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Gi\u00e1m s\u00e1t d\u1eef li\u1ec7u DOM:<\/strong> T\u1eadn d\u1ee5ng kh\u1ea3 n\u0103ng DOM c\u1ee7a module thu ph\u00e1t \u0111\u1ec3 gi\u00e1m s\u00e1t ch\u1ee7 \u0111\u1ed9ng t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng. Thi\u1ebft l\u1eadp ng\u01b0\u1ee1ng c\u1ea3nh b\u00e1o cho c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c c\u00f4ng su\u1ea5t Rx qu\u00e1 th\u1ea5p\/qu\u00e1 cao.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng:<\/strong> \u0110\u1ea3m b\u1ea3o lu\u1ed3ng kh\u00ed l\u01b0u th\u00f4ng \u0111\u1ea7y \u0111\u1ee7 xung quanh thi\u1ebft b\u1ecb. Tr\u00e1nh v\u01b0\u1ee3t qu\u00e1 d\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a module thu ph\u00e1t. S\u1eed d\u1ee5ng c\u00e1c module c\u00f3 d\u1ea3i nhi\u1ec7t m\u1edf r\u1ed9ng khi c\u1ea7n thi\u1ebft.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>T\u00e0i li\u1ec7u h\u00f3a:<\/strong> L\u01b0u gi\u1eef h\u1ed3 s\u01a1 v\u1ec1 lo\u1ea1i module thu ph\u00e1t, s\u1ed1 s\u00ea-ri, v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u01b0\u1eddng d\u1eabn c\u00e1p quang t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 thu\u1eadn ti\u1ec7n h\u01a1n trong vi\u1ec7c x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 K\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting the right <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26153-40g-qsfp.htm\"><strong>Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t 40G QSFP+<\/strong><\/a> l\u00e0 y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng 40GbE \u0111\u00e1ng tin c\u1eady, hi\u1ec7u n\u0103ng cao v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n (kho\u1ea3ng c\u00e1ch, lo\u1ea1i c\u00e1p quang), \u01b0u ti\u00ean tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n MSA v\u00e0 t\u00ednh t\u01b0\u01a1ng th\u00edch, \u0111\u1ed3ng th\u1eddi t\u1eadn d\u1ee5ng ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u00e1 tr\u1ecb do c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t uy t\u00edn nh\u01b0 <strong>LINK-PP<\/strong>, cung c\u1ea5p, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh mua s\u1eafm s\u00e1ng su\u1ed1t. Tu\u00e2n th\u1ee7 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p tri\u1ec3n khai v\u00e0 b\u1ea3o tr\u00ec t\u1ed1t nh\u1ea5t s\u1ebd \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u v\u00e0 tu\u1ed5i th\u1ecd d\u00e0i h\u1ea1n cho c\u00e1c <strong>module quang 40G<\/strong>. Khi 40G ti\u1ebfp t\u1ee5c \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng, vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c gi\u1ea3i ph\u00e1p t\u01b0\u01a1ng th\u00edch v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao v\u1eabn l\u00e0 chi\u1ebfn l\u01b0\u1ee3c th\u00f4ng minh nh\u1eb1m t\u1ed1i \u0111a h\u00f3a l\u1ee3i t\u1ee9c \u0111\u1ea7u t\u01b0 (ROI) c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>C\u00e2u h\u1ecfi: Li\u1ec7u 40G v\u1eabn c\u00f2n ph\u00f9 h\u1ee3p khi \u0111\u00e3 c\u00f3 100G\/400G?<\/strong><br><strong>A:<\/strong> Ho\u00e0n to\u00e0n \u0111\u00fang. <strong>QSFP+ 40G<\/strong> mang l\u1ea1i s\u1ef1 c\u00e2n b\u1eb1ng thi\u1ebft y\u1ebfu gi\u1eefa hi\u1ec7u n\u0103ng v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed cho nhi\u1ec1u \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, n\u01a1i vi\u1ec7c n\u00e2ng c\u1ea5p to\u00e0n b\u1ed9 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u00ean 100G\/400G l\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft. Hi\u1ec7n nay, 40G \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i v\u00e0 v\u1eabn l\u00e0 gi\u1ea3i ph\u00e1p ch\u1ee7 l\u1ef1c cho c\u00e1c l\u1edbp t\u1ed5ng h\u1ee3p (aggregation) v\u00e0 l\u1edbp truy c\u1eadp m\u00e1y ch\u1ee7 (server access). <strong>LINK-PP<\/strong> cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p c\u1ef1c k\u1ef3 ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u1ec3 duy tr\u00ec v\u00e0 m\u1edf r\u1ed9ng c\u00e1c m\u1ea1ng n\u00e0y.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e2u h\u1ecfi: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c module QSFP+ SR4, eSR4 v\u00e0 LR4 l\u00e0 g\u00ec?<\/strong><br><strong>A:<\/strong> <strong>SR4<\/strong> l\u00e0 chu\u1ea9n t\u1ea7m ng\u1eafn ti\u00eau chu\u1ea9n tr\u00ean c\u00e1p quang \u0111a mode OM3\/OM4 (100 m\/150 m). <strong>eSR4<\/strong> m\u1edf r\u1ed9ng t\u1ea7m ho\u1ea1t \u0111\u1ed9ng n\u00e0y tr\u00ean c\u00f9ng lo\u1ea1i c\u00e1p quang (300 m\/400 m). <strong>LR4<\/strong> d\u00e0nh cho t\u1ea7m xa (10 km) tr\u00ean c\u00e1p quang \u0111\u01a1n mode (SMF). H\u00e3y l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch c\u1ea7n thi\u1ebft v\u00e0 h\u1ec7 th\u1ed1ng c\u00e1p quang hi\u1ec7n c\u00f3. <strong>LINK-PP<\/strong> cung c\u1ea5p c\u00e1c l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady cho c\u1ea3 ba chu\u1ea9n tr\u00ean.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e2u h\u1ecfi: Li\u1ec7u module 40G QSFP+ c\u1ee7a b\u00ean th\u1ee9 ba nh\u01b0 LINK-PP c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c tr\u00ean switch Cisco\/Juniper\/Arista c\u1ee7a t\u00f4i kh\u00f4ng?<\/strong><br><strong>A:<\/strong> C\u00e1c module 40G QSFP+ c\u1ee7a b\u00ean th\u1ee9 ba ch\u1ea5t l\u01b0\u1ee3ng cao, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n MSA t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn nh\u01b0 <strong>LINK-PP<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 ki\u1ec3m tra \u0111\u1eb7c bi\u1ec7t nh\u1eb1m \u0111\u1ea3m b\u1ea3o <strong>kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111a nh\u00e0 cung c\u1ea5p<\/strong>. Ch\u00fang th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng li\u1ec1n m\u1ea1ch tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng ch\u00ednh m\u00e0 kh\u00f4ng ph\u00e1t sinh c\u1ea3nh b\u00e1o \u201cmodule kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3\u201d (UID) ho\u1eb7c s\u1ef1 c\u1ed1 li\u00ean k\u1ebft. B\u1ea1n lu\u00f4n n\u00ean ki\u1ec3m tra danh s\u00e1ch t\u01b0\u01a1ng th\u00edch c\u1ee5 th\u1ec3 c\u1ee7a nh\u00e0 cung c\u1ea5p ho\u1eb7c y\u00eau c\u1ea7u m\u1eabu th\u1eed cho \u0111\u00fang model v\u00e0 phi\u00ean b\u1ea3n h\u1ec7 \u0111i\u1ec1u h\u00e0nh (OS) c\u1ee7a m\u00ecnh.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e2u h\u1ecfi: T\u00f4i c\u1ea7n module thu ph\u00e1t c\u00f3 d\u1ea3i nhi\u1ec7t \u0111\u1ed9 n\u00e0o?<\/strong><br><strong>A:<\/strong> D\u1ea3i nhi\u1ec7t \u0111\u1ed9 th\u01b0\u01a1ng m\u1ea1i ti\u00eau chu\u1ea9n (0\u00b0C \u0111\u1ebfn 70\u00b0C) l\u00e0 \u0111\u1ee7 cho h\u1ea7u h\u1ebft m\u00f4i tr\u01b0\u1eddng trung t\u00e2m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. N\u1ebfu tri\u1ec3n khai trong t\u1ee7 vi\u1ec5n th\u00f4ng, m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p ho\u1eb7c khu v\u1ef1c c\u00f3 kh\u00ed h\u1eadu kh\u1eafc nghi\u1ec7t, h\u00e3y ch\u1ecdn c\u00e1c module c\u00f3 d\u1ea3i nhi\u1ec7t \u0111\u1ed9 m\u1edf r\u1ed9ng (-40\u00b0C \u0111\u1ebfn 85\u00b0C), hi\u1ec7n c\u00f3 s\u1eb5n t\u1ea1i <strong>LINK-PP<\/strong>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e2u h\u1ecfi: Ch\u1ee9c n\u0103ng h\u1ed7 tr\u1ee3 DOM ngh\u0129a l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 quan tr\u1ecdng?<\/strong><br><strong>A:<\/strong> DOM (Gi\u00e1m s\u00e1t quang k\u1ef9 thu\u1eadt s\u1ed1) cung c\u1ea5p kh\u1ea3 n\u0103ng truy c\u1eadp th\u1eddi gian th\u1ef1c v\u00e0o d\u1eef li\u1ec7u ch\u1ea9n \u0111o\u00e1n (c\u00f4ng su\u1ea5t ph\u00e1t, c\u00f4ng su\u1ea5t nh\u1eadn, d\u00f2ng ph\u00e2n c\u1ef1c laser, nhi\u1ec7t \u0111\u1ed9, \u0111i\u1ec7n \u00e1p ngu\u1ed3n) th\u00f4ng qua giao di\u1ec7n d\u00f2ng l\u1ec7nh (CLI) ho\u1eb7c ph\u1ea7n m\u1ec1m qu\u1ea3n tr\u1ecb c\u1ee7a thi\u1ebft b\u1ecb ch\u1ee7. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 gi\u00e1m s\u00e1t m\u1ea1ng ch\u1ee7 \u0111\u1ed9ng, x\u1eed l\u00fd s\u1ef1 c\u1ed1 li\u00ean k\u1ebft t\u1eeb xa v\u00e0 \u0111\u1ea3m b\u1ea3o m\u1ee9c c\u00f4ng su\u1ea5t quang n\u1eb1m trong gi\u1edbi h\u1ea1n v\u1eadn h\u00e0nh an to\u00e0n.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u27a3 Xem Th\u00eam<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/products\/10g-sfp-plus-transceiver-buying-guide-key-factors\/\">H\u01b0\u1edbng d\u1eabn mua b\u1ed9 thu ph\u00e1t quang SFP+ 10G<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/difference-between-fibers-single-mode-vs-multimode-guide\/\">S\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n so v\u1edbi s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9: H\u01b0\u1edbng d\u1eabn so s\u00e1nh to\u00e0n di\u1ec7n<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-vs-bidi-sfp-key-differences-best-use-cases\/\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SFP v\u00e0 SFP BiDi l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n d\u00e0nh cho b\u1ea1n<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i b\u1ed9 thu ph\u00e1t 40G QSFP+, bao g\u1ed3m 40GBASE-SR4, 40GBASE-LR4, 40GBASE-FR4 v\u00e0 40GBASE-ER4. L\u1ef1a ch\u1ecdn \u0111\u00fang m\u00f4-\u0111un QSFP+ cho b\u1ea1n.<\/p>","protected":false},"author":1,"featured_media":5700,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[18],"class_list":["post-5702","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-40g-qsfp-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5702","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=5702"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5702\/revisions"}],"predecessor-version":[{"id":11308,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5702\/revisions\/11308"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5700"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}