{"id":2710,"date":"2026-03-31T00:00:00","date_gmt":"2026-03-31T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/sfp-in-telecom-meaning-types-applications\/"},"modified":"2026-06-22T03:41:44","modified_gmt":"2026-06-22T03:41:44","slug":"sfp-in-telecom-meaning-types-applications","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-in-telecom-meaning-types-applications","title":{"rendered":"SFP trong Telecom: \u00dd ngh\u0129a, lo\u1ea1i, \u1ee9ng d\u1ee5ng v\u00e0 h\u01b0\u1edbng d\u1eabn ch\u1ecdn"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/447703841c1b494eb5cd892239279ade-1024x536.jpg\" alt=\"SFP in Telecom\" class=\"wp-image-2701\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/447703841c1b494eb5cd892239279ade-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/447703841c1b494eb5cd892239279ade-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/447703841c1b494eb5cd892239279ade-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/447703841c1b494eb5cd892239279ade-18x9.jpg 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/447703841c1b494eb5cd892239279ade.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng truy\u1ec1n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, <strong>SFP trong vi\u1ec5n th\u00f4ng<\/strong> l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m n\u1ec1n t\u1ea3ng cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u linh ho\u1ea1t v\u00e0 t\u1ed1c \u0111\u1ed9 cao tr\u00ean nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng m\u1ea1ng kh\u00e1c nhau. D\u00f9 b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng m\u1ea1ng l\u00f5i doanh nghi\u1ec7p, tri\u1ec3n khai d\u1ecbch v\u1ee5 c\u00e1p quang \u0111\u1ebfn t\u1eadn nh\u00e0 (FTTH) hay m\u1edf r\u1ed9ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ea5p nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">C\u00e1c m\u00f4-\u0111un SFP<\/a> \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong vi\u1ec7c k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb v\u00e0 \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n t\u00edn hi\u1ec7u \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SFP, vi\u1ebft t\u1eaft c\u1ee7a <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-small-form-factor-pluggable-transceiver-guide\/\"><em>Typical Medium<\/em><\/a>, l\u00e0 m\u1ed9t b\u1ed9 thu ph\u00e1t nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng (hot-swappable), \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch, \u0111\u1ecbnh tuy\u1ebfn v\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng quang h\u1ecdc. \u0110i\u1ec1u l\u00e0m cho SFP \u0111\u1eb7c bi\u1ec7t gi\u00e1 tr\u1ecb trong vi\u1ec5n th\u00f4ng l\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a n\u00f3\u2014n\u00f3 h\u1ed7 tr\u1ee3 c\u1ea3 k\u1ebft n\u1ed1i s\u1ee3i quang (\u0111\u01a1n ch\u1ebf \u0111\u1ed9 v\u00e0 \u0111a ch\u1ebf \u0111\u1ed9) l\u1eabn k\u1ebft n\u1ed1i \u0111\u1ed3ng (<a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476770.htm\">1000BASE-T<\/a>), cho ph\u00e9p k\u1ef9 s\u01b0 m\u1ea1ng th\u00edch \u1ee9ng v\u1edbi c\u00e1c kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn v\u00e0 t\u00ecnh hu\u1ed1ng tri\u1ec3n khai kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i n\u1ec1n t\u1ea3ng ph\u1ea7n c\u1ee9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t l\u1ee3i th\u1ebf quan tr\u1ecdng kh\u00e1c l\u00e0 kh\u1ea3 n\u0103ng thay th\u1ebf n\u00f3ng: c\u00e1c m\u00f4-\u0111un SFP c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o ho\u1eb7c thay th\u1ebf m\u00e0 kh\u00f4ng c\u1ea7n t\u1eaft ngu\u1ed3n thi\u1ebft b\u1ecb m\u1ea1ng. \u0110\u00e2y l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu trong m\u00f4i tr\u01b0\u1eddng vi\u1ec5n th\u00f4ng, n\u01a1i th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 b\u1ea3o tr\u00ec nhanh ch\u00f3ng tr\u1ef1c ti\u1ebfp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 v\u00e0 hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 m\u1eb7t th\u1ef1c ti\u1ec5n, c\u00e1c m\u00f4-\u0111un SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u \u1ee9ng d\u1ee5ng vi\u1ec5n th\u00f4ng, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c m\u1ea1ng truy\u1ec1n d\u1eabn Ethernet<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-packet-over-sonet-sdh-pos\/\" target=\"_blank\" rel=\"\">SONET\/SDH<\/a> )<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/passive-optical-networks-what-they-are-and-how-they-work\/\" target=\"_blank\" rel=\"\">M\u1ea1ng quang th\u1ee5 \u0111\u1ed9ng<\/a> (PON) cho FTTH<\/p><\/li>\n\n\n\n<li><p>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang \u0111\u00f4 th\u1ecb v\u00e0 \u0111\u01b0\u1eddng d\u00e0i<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c lo\u1ea1i SFP kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c kho\u1ea3ng c\u00e1ch v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3. V\u00ed d\u1ee5, 1000BASE-SX th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c li\u00ean k\u1ebft \u0111a ch\u1ebf \u0111\u1ed9 ng\u1eafn (t\u1ed1i \u0111a 550 m\u00e9t), trong khi 1000BASE-LX, EX v\u00e0 ZX h\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eabn \u0111\u01a1n ch\u1ebf \u0111\u1ed9 \u1edf kho\u1ea3ng c\u00e1ch xa t\u1eeb 10 km \u0111\u1ebfn h\u01a1n 80 km. Trong c\u00e1c tri\u1ec3n khai vi\u1ec5n th\u00f4ng n\u00e2ng cao, c\u00e1c m\u00f4-\u0111un SFP CWDM v\u00e0 DWDM cho ph\u00e9p nhi\u1ec1u t\u00edn hi\u1ec7u truy\u1ec1n \u0111\u1ed3ng th\u1eddi tr\u00ean m\u1ed9t s\u1ee3i quang, t\u0103ng \u0111\u00e1ng k\u1ec3 dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng cho c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u1eefng n\u1ed9i dung b\u1ea1n s\u1ebd t\u00ecm hi\u1ec3u trong h\u01b0\u1edbng d\u1eabn n\u00e0y<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 hi\u1ec3u bi\u1ebft r\u00f5 r\u00e0ng v\u00e0 th\u1ef1c ti\u1ec5n v\u1ec1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP trong vi\u1ec5n th\u00f4ng th\u1ef1c ch\u1ea5t l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 quan tr\u1ecdng<\/p><\/li>\n\n\n\n<li><p>C\u00e1c lo\u1ea1i m\u00f4-\u0111un SFP kh\u00e1c nhau v\u00e0 kho\u1ea3ng c\u00e1ch t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang<\/p><\/li>\n\n\n\n<li><p>C\u00e1ch l\u1ef1a ch\u1ecdn gi\u1eefa s\u1ee3i quang v\u00e0 <a href=\"https:\/\/www.l-p.com\/products\/476801.htm\" target=\"_self\">SFP \u0111\u1ed3ng<\/a> gi\u1ea3i ph\u00e1p<\/p><\/li>\n\n\n\n<li><p>SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u trong c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng th\u1ef1c t\u1ebf<\/p><\/li>\n\n\n\n<li><p>C\u00e1ch ch\u1ecdn m\u00f4-\u0111un SFP ph\u00f9 h\u1ee3p cho tri\u1ec3n khai c\u1ee7a b\u1ea1n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m gi\u00fap c\u1ea3 ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u1eabn chuy\u00ean gia \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t\u2014d\u00f9 b\u1ea1n \u0111ang h\u1ecdc nh\u1eefng ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng hay l\u1ef1a ch\u1ecdn m\u00f4-\u0111un SFP ph\u00f9 h\u1ee3p cho m\u1ed9t d\u1ef1 \u00e1n vi\u1ec5n th\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd04 SFP ngh\u0129a l\u00e0 g\u00ec trong vi\u1ec5n th\u00f4ng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong vi\u1ec5n th\u00f4ng, SFP kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t b\u1ed9 thu ph\u00e1t\u2014m\u00e0 c\u00f2n l\u00e0 m\u1ed9t giao di\u1ec7n linh ho\u1ea1t, d\u1ec5 m\u1edf r\u1ed9ng v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed, cho ph\u00e9p c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i h\u1ed7 tr\u1ee3 nhi\u1ec1u c\u00f4ng ngh\u1ec7 truy\u1ec1n d\u1eabn, kho\u1ea3ng c\u00e1ch v\u00e0 y\u00eau c\u1ea7u d\u1ecbch v\u1ee5 kh\u00e1c nhau.<\/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\/4fe8ad57490e4ad0804cc39541ef416c.jpg\" alt=\"What Does SFP Mean in Telecom?\" class=\"wp-image-2702\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fe8ad57490e4ad0804cc39541ef416c.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fe8ad57490e4ad0804cc39541ef416c-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fe8ad57490e4ad0804cc39541ef416c-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fe8ad57490e4ad0804cc39541ef416c-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4fe8ad57490e4ad0804cc39541ef416c-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ecbnh ngh\u0129a: B\u1ed9 thu ph\u00e1t d\u1ea1ng nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm r\u1eddi (Small Form-factor Pluggable)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong vi\u1ec5n th\u00f4ng, SFP (Small Form-factor Pluggable) l\u00e0 m\u1ed9t b\u1ed9 thu ph\u00e1t nh\u1ecf g\u1ecdn, d\u1ea1ng m\u00f4-\u0111un, \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb m\u1ea1ng\u2014nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-network-switch\/\">routers<\/a>, <a target=\"_self\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-router-key-functions-types\/\">servers<\/a>, v\u00e0 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i \u0111\u01b0\u1eddng d\u00e2y quang (OLT)\u2014v\u1edbi c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u00f4-\u0111un SFP ho\u1ea1t \u0111\u1ed9ng nh\u01b0 giao di\u1ec7n gi\u1eefa thi\u1ebft b\u1ecb m\u1ea1ng v\u00e0 c\u00e1p v\u1eadt l\u00fd, chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh t\u00edn hi\u1ec7u quang (cho s\u1ee3i quang) ho\u1eb7c truy\u1ec1n tr\u1ef1c ti\u1ebfp t\u00edn hi\u1ec7u \u0111i\u1ec7n (cho k\u1ebft n\u1ed1i \u0111\u1ed3ng nh\u01b0 1000BASE-T). Nh\u1edd c\u00f3 k\u00edch th\u01b0\u1edbc chu\u1ea9n h\u00f3a (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\">MSA<\/a> tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n), c\u00e1c m\u00f4-\u0111un SFP t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c nhau th\u01b0\u1eddng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng thay th\u1ebf cho nhau, mi\u1ec5n l\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t t\u00ednh n\u0103ng then ch\u1ed1t c\u1ee7a SFP l\u00e0 kh\u1ea3 n\u0103ng thay th\u1ebf n\u00f3ng: m\u00f4-\u0111un c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o ho\u1eb7c th\u00e1o ra m\u00e0 kh\u00f4ng c\u1ea7n t\u1eaft ngu\u1ed3n thi\u1ebft b\u1ecb. \u0110i\u1ec1u n\u00e0y khi\u1ebfn n\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng vi\u1ec5n th\u00f4ng, n\u01a1i vi\u1ec7c gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vai tr\u00f2 trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, c\u00e1c m\u00f4-\u0111un SFP \u0111\u00f3ng vai tr\u00f2 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng k\u1ebft n\u1ed1i \u1edf t\u1ea7ng v\u1eadt l\u00fd. Ch\u00fang \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i tr\u00ean nhi\u1ec1u l\u1edbp m\u1ea1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>L\u1edbp truy c\u1eadp (FTTH \/ PON):<\/strong><br>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i \u0111\u01b0\u1eddng d\u00e2y quang (OLT) v\u00e0 c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch t\u1eadp trung \u0111\u1ec3 cung c\u1ea5p d\u1ecbch v\u1ee5 b\u0103ng th\u00f4ng r\u1ed9ng cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/p><\/li>\n\n\n\n<li><p><strong>M\u1ea1ng \u0111\u00f4 th\u1ecb v\u00e0 m\u1ea1ng t\u1eadp trung:<\/strong><br>Cho ph\u00e9p k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao gi\u1eefa c\u00e1c tr\u1ea1m g\u1ed1c, c\u00e1c n\u00fat truy c\u1eadp v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u00f5i.<\/p><\/li>\n\n\n\n<li><p><strong>M\u1ea1ng l\u00f5i v\u00e0 m\u1ea1ng \u0111\u01b0\u1eddng d\u00e0i:<\/strong><br>H\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa b\u1eb1ng s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn nh\u01b0 <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-cwdm-understanding-coarse-wavelength-division-multiplexing\/\" target=\"_blank\" rel=\"\">CWDM<\/a> and <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-dwdm-explaining-dense-wavelength-division-multiplexing\/\" target=\"_blank\" rel=\"\">DWDM<\/a>.<\/p><\/li>\n\n\n\n<li><p><strong>Li\u00ean k\u1ebft doanh nghi\u1ec7p &amp; trung t\u00e2m d\u1eef li\u1ec7u:<\/strong><br>Cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i linh ho\u1ea1t cho c\u00e1c d\u1ecbch v\u1ee5 d\u1ef1a tr\u00ean Ethernet v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng ph\u1ea3i x\u1eed l\u00fd kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u truy\u1ec1n d\u1eabn tr\u00ean c\u00e1c kho\u1ea3ng c\u00e1ch kh\u00e1c nhau, n\u00ean c\u00e1c m\u00f4-\u0111un SFP cho ph\u00e9p c\u00e1c nh\u00e0 khai th\u00e1c ch\u1ecdn giao di\u1ec7n quang ph\u00f9 h\u1ee3p m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i sao SFP l\u1ea1i thi\u1ebft y\u1ebfu trong c\u00e1c m\u1ea1ng hi\u1ec7n \u0111\u1ea1i<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n trong vi\u1ec5n th\u00f4ng v\u00ec nhi\u1ec1u l\u00fd do then ch\u1ed1t:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00ednh linh ho\u1ea1t tr\u00ean nhi\u1ec1u lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n<\/strong><br>SFP h\u1ed7 tr\u1ee3 c\u1ea3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/fiber-optic-cable-what-it-is-and-how-it-works-explained\/\" target=\"_blank\" rel=\"\"><strong>C\u00e1p s\u1ee3i quang<\/strong><\/a> (\u0111\u01a1n ch\u1ebf \u0111\u1ed9 v\u00e0 \u0111a ch\u1ebf \u0111\u1ed9) cho kho\u1ea3ng c\u00e1ch xa v\u00e0 g\u1ea7n<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-twisted-pair-copper-cable-and-how-does-it-work\/\" target=\"_blank\" rel=\"\"><strong>C\u00e1p \u0111\u1ed3ng<\/strong><\/a> (RJ45) cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn, ti\u1ebft ki\u1ec7m chi ph\u00ed<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 linh ho\u1ea1t n\u00e0y cho ph\u00e9p m\u1ed9t thi\u1ebft b\u1ecb duy nh\u1ea5t th\u00edch \u1ee9ng v\u1edbi nhi\u1ec1u t\u00ecnh hu\u1ed1ng tri\u1ec3n khai kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Thi\u1ebft k\u1ebf m\u1ea1ng d\u1ec5 m\u1edf r\u1ed9ng<\/strong><br>Thay v\u00ec c\u00e1c c\u1ed5ng c\u1ed1 \u0111\u1ecbnh, c\u00e1c thi\u1ebft b\u1ecb d\u1ef1a tr\u00ean SFP cho ph\u00e9p k\u1ef9 s\u01b0 n\u00e2ng c\u1ea5p ho\u1eb7c thay \u0111\u1ed5i lo\u1ea1i truy\u1ec1n d\u1eabn m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng\u2014v\u00ed d\u1ee5, chuy\u1ec3n t\u1eeb li\u00ean k\u1ebft \u0111a ch\u1ebf \u0111\u1ed9 ng\u1eafn (SX) sang li\u00ean k\u1ebft \u0111\u01a1n ch\u1ebf \u0111\u1ed9 xa (LX ho\u1eb7c ZX) m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf ph\u1ea7n c\u1ee9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u1ea3 n\u0103ng s\u1eb5n s\u00e0ng cao nh\u1edd t\u00ednh n\u0103ng thay th\u1ebf n\u00f3ng<\/strong><br>C\u00e1c h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng \u0111\u00f2i h\u1ecfi th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c. <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">module SFP quang <\/a>c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf ho\u1eb7c n\u00e2ng c\u1ea5p m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng, t\u1eeb \u0111\u00f3 gi\u1ea3m r\u1ee7i ro b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u1ed7 tr\u1ee3 c\u00e1c c\u00f4ng ngh\u1ec7 quang h\u1ecdc ti\u00ean ti\u1ebfn<\/strong><br>C\u00e1c m\u00f4-\u0111un SFP kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf Ethernet c\u01a1 b\u1ea3n. Ch\u00fang c\u00f2n h\u1ed7 tr\u1ee3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Truy\u1ec1n d\u1eabn SONET\/SDH<\/p><\/li>\n\n\n\n<li><p>PON (GPON, EPON) cho FTTH<\/p><\/li>\n\n\n\n<li><p>CWDM\/DWDM cho c\u00e1c k\u1ebft n\u1ed1i s\u1ee3i quang c\u00f3 dung l\u01b0\u1ee3ng cao<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p c\u1ea3 v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng k\u1ebf th\u1eeba l\u1eabn c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng th\u1ebf h\u1ec7 m\u1edbi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u00e0 ti\u00eau chu\u1ea9n h\u00f3a<\/strong><br>V\u00ec SFP tu\u00e2n theo c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, c\u00e1c nh\u00e0 khai th\u00e1c vi\u1ec5n th\u00f4ng \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Chi ph\u00ed ph\u1ea7n c\u1ee9ng th\u1ea5p h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111a nh\u00e0 cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>Qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho d\u1ec5 d\u00e0ng h\u01a1n<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd04 L\u00fd do v\u00ec sao c\u00e1c m\u00f4-\u0111un SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u1ea1ng vi\u1ec5n th\u00f4ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25832-1-2-4g-transceiver-modules.htm\">B\u1ed9 thu ph\u00e1t SFP<\/a> \u0111\u00e3 tr\u1edf th\u00e0nh giao di\u1ec7n ti\u00eau chu\u1ea9n trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng v\u00ec ch\u00fang mang l\u1ea1i s\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed9c \u0111\u00e1o gi\u1eefa t\u00ednh linh ho\u1ea1t, hi\u1ec7u qu\u1ea3 v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. Kh\u00e1c v\u1edbi c\u00e1c thi\u1ebft k\u1ebf c\u1ed5ng c\u1ed1 \u0111\u1ecbnh, c\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean SFP cho ph\u00e9p c\u00e1c nh\u00e0 khai th\u00e1c th\u00edch \u1ee9ng nhanh ch\u00f3ng v\u1edbi nh\u1eefng y\u00eau c\u1ea7u m\u1ea1ng thay \u0111\u1ed5i m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i ph\u1ea7n c\u1ee9ng l\u1edbn.<\/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\/94120e6752c54af6ab07a0792e8d42c9.jpg\" alt=\"Why SFP Modules Are Widely Used in Telecom Networks\" class=\"wp-image-2703\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94120e6752c54af6ab07a0792e8d42c9.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94120e6752c54af6ab07a0792e8d42c9-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94120e6752c54af6ab07a0792e8d42c9-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94120e6752c54af6ab07a0792e8d42c9-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/94120e6752c54af6ab07a0792e8d42c9-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00ednh linh ho\u1ea1t: H\u1ed7 tr\u1ee3 c\u00e1p quang v\u00e0 c\u00e1p \u0111\u1ed3ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a c\u00e1c m\u00f4-\u0111un SFP l\u00e0 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 nhi\u1ec1u ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn kh\u00e1c nhau tr\u00ean c\u00f9ng m\u1ed9t n\u1ec1n t\u1ea3ng ph\u1ea7n c\u1ee9ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/492786.htm\" target=\"_self\"><strong>M\u00f4-\u0111un SFP quang h\u1ecdc<\/strong><\/a><strong> M\u00f4-\u0111un<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>S\u1ee3i quang \u0111\u01a1n mode (SMF) cho truy\u1ec1n d\u1eabn kho\u1ea3ng c\u00e1ch xa (10 km \u0111\u1ebfn 80 km+)<\/p><\/li>\n\n\n\n<li><p>S\u1ee3i quang \u0111a mode (MMF) cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn, t\u1ed1c \u0111\u1ed9 cao (l\u00ean \u0111\u1ebfn 550 m)<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/blog\/buying-guide\/copper-sfps-and-rj45-sfp-module-guide.htm\" target=\"_blank\" rel=\"\"><strong>SFP \u0111\u1ed3ng<\/strong><\/a><strong> (1000BASE-T)<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>S\u1eed d\u1ee5ng c\u00e1p Ethernet RJ45 ti\u00eau chu\u1ea9n<\/p><\/li>\n\n\n\n<li><p>Ph\u00f9 h\u1ee3p cho c\u00e1c k\u1ebft n\u1ed1i t\u1ea7m ng\u1eafn (th\u01b0\u1eddng l\u00ean \u0111\u1ebfn 100 m)<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh linh ho\u1ea1t n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 khai th\u00e1c vi\u1ec5n th\u00f4ng tri\u1ec3n khai m\u1ed9t lo\u1ea1i switch ho\u1eb7c router v\u00e0 ch\u1ec9 c\u1ea7n ch\u1ecdn m\u00f4-\u0111un SFP ph\u00f9 h\u1ee3p d\u1ef1a tr\u00ean t\u00ecnh hu\u1ed1ng m\u1ea1ng\u2014d\u00f9 l\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng \u0111\u00f4 th\u1ecb hay tri\u1ec3n khai FTTH.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m thay th\u1ebf n\u00f3ng (hot-swappable)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP l\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/are-sfp-modules-hot-swappable-safe-sfp-hot-swap-guide\/\">Cat5e\/Cat6 Ethernet<\/a>, ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ho\u1eb7c thay th\u1ebf m\u00e0 kh\u00f4ng c\u1ea7n t\u1eaft ngu\u1ed3n thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y mang l\u1ea1i nh\u1eefng l\u1ee3i \u00edch v\u1eadn h\u00e0nh l\u1edbn trong m\u00f4i tr\u01b0\u1eddng vi\u1ec5n th\u00f4ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/strong> \u2192 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 c\u00f3 y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t v\u1ec1 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c<\/p><\/li>\n\n\n\n<li><p><strong>B\u1ea3o tr\u00ec nhanh h\u01a1n<\/strong> \u2192 c\u00e1c m\u00f4-\u0111un l\u1ed7i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf ngay l\u1eadp t\u1ee9c<\/p><\/li>\n\n\n\n<li><p><strong>N\u00e2ng c\u1ea5p li\u1ec1n m\u1ea1ch<\/strong> \u2192 thay \u0111\u1ed5i lo\u1ea1i truy\u1ec1n d\u1eabn m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n d\u1ecbch v\u1ee5<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u1ea1ng c\u1ea5p nh\u00e0 m\u1ea1ng (carrier-grade), n\u01a1i ngay c\u1ea3 v\u00e0i gi\u00e2y ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0ng ngh\u00ecn ng\u01b0\u1eddi d\u00f9ng, t\u00ednh n\u0103ng n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho c\u00e1c n\u00e2ng c\u1ea5p m\u1ea1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng li\u00ean t\u1ee5c ph\u00e1t tri\u1ec3n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u b\u0103ng th\u00f4ng ng\u00e0y c\u00e0ng t\u0103ng. C\u00e1c module SFP cho ph\u00e9p thi\u1ebft k\u1ebf m\u1ea1ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thay v\u00ec thay th\u1ebf to\u00e0n b\u1ed9 b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, k\u1ef9 s\u01b0 c\u00f3 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>N\u00e2ng c\u1ea5p t\u1eeb c\u00e1c module kho\u1ea3ng c\u00e1ch ng\u1eafn l\u00ean c\u00e1c module kho\u1ea3ng c\u00e1ch xa<\/p><\/li>\n\n\n\n<li><p>Chuy\u1ec3n t\u1eeb quang h\u1ecdc ti\u00eau chu\u1ea9n sang <a href=\"https:\/\/www.l-p.com\/store-27041-1g-cwdm-dwdm-sfp.htm\" target=\"_self\">C\u00e1c module SFP CWDM\/DWDM<\/a> \u0110\u1ec3 \u0111\u1ea1t dung l\u01b0\u1ee3ng cao h\u01a1n<\/p><\/li>\n\n\n\n<li><p>\u0110i\u1ec1u ch\u1ec9nh theo c\u00e1c y\u00eau c\u1ea7u tri\u1ec3n khai m\u1edbi (v\u00ed d\u1ee5: m\u1edf r\u1ed9ng ph\u1ea1m vi ph\u1ee7 s\u00f3ng FTTH)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch ti\u1ebfp c\u1eadn m\u00f4-\u0111un n\u00e0y cho ph\u00e9p m\u1ea1ng ph\u00e1t tri\u1ec3n t\u1eebng b\u01b0\u1edbc v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed, gi\u1ea3m chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u1ed1n theo th\u1eddi gian.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hi\u1ec7u qu\u1ea3 chi ph\u00ed so v\u1edbi c\u00e1c c\u1ed5ng c\u1ed1 \u0111\u1ecbnh<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">So v\u1edbi ph\u1ea7n c\u1ee9ng c\u00f3 c\u1ed5ng c\u1ed1 \u0111\u1ecbnh, thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean SFP mang l\u1ea1i l\u1ee3i th\u1ebf chi ph\u00ed \u0111\u00e1ng k\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u th\u1ea5p h\u01a1n<\/strong><br>Ch\u1ec9 mua c\u00e1c module SFP c\u1ea7n thi\u1ebft cho tri\u1ec3n khai hi\u1ec7n t\u1ea1i<\/p><\/li>\n\n\n\n<li><p><strong>Gi\u1ea3m \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong qu\u1ea3n l\u00fd t\u1ed3n kho<\/strong><br>M\u1ed9t thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i k\u1ebft n\u1ed1i<\/p><\/li>\n\n\n\n<li><p><strong>Tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb d\u00e0i h\u01a1n<\/strong><br>N\u00e2ng c\u1ea5p k\u1ebft n\u1ed1i m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng<\/p><\/li>\n\n\n\n<li><p><strong>Linh ho\u1ea1t \u0111a nh\u00e0 cung c\u1ea5p<\/strong><br>C\u00e1c d\u1ea1ng h\u00ecnh chu\u1ea9n SFP \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a cho ph\u00e9p nh\u1eadp kh\u1ea9u t\u1eeb nhi\u1ec1u nh\u00e0 cung c\u1ea5p kh\u00e1c nhau (v\u1edbi c\u00e1c c\u00e2n nh\u1eafc v\u1ec1 t\u00ednh t\u01b0\u01a1ng th\u00edch)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 khai th\u00e1c vi\u1ec5n th\u00f4ng qu\u1ea3n l\u00fd m\u1ea1ng quy m\u00f4 l\u1edbn, \u0111i\u1ec1u n\u00e0y chuy\u1ec3n h\u00f3a th\u00e0nh hi\u1ec7u su\u1ea5t ho\u00e0n v\u1ed1n (ROI) t\u1ed1t h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh cao h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng v\u00ec ch\u00fang cung c\u1ea5p t\u00ednh linh ho\u1ea1t v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1ed9 tin c\u1eady thay th\u1ebf n\u00f3ng (hot-swappable), kh\u1ea3 n\u0103ng n\u00e2ng c\u1ea5p linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed\u2014gi\u00fap ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, hi\u1ec7u n\u0103ng cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd04 C\u00e1c lo\u1ea1i module SFP v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn c\u1ee7a ch\u00fang<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang module SFP trong m\u1ea1ng vi\u1ec5n th\u00f4ng ch\u1ee7 y\u1ebfu ph\u1ee5 thu\u1ed9c v\u00e0o kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn, lo\u1ea1i c\u00e1p quang v\u00e0 b\u01b0\u1edbc s\u00f3ng. C\u00e1c module SFP kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3\u2014t\u1eeb c\u00e1c li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u c\u1ef1 ly ng\u1eafn \u0111\u1ebfn c\u00e1c m\u1ea1ng nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1eddng d\u00e0i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch trong tri\u1ec3n khai c\u1ee7a b\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\/b98bbd28a1ea47f29bcfdb0d10b208fe.jpg\" alt=\"Types of SFP Modules and Their Transmission Distances\" class=\"wp-image-2704\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b98bbd28a1ea47f29bcfdb0d10b208fe.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b98bbd28a1ea47f29bcfdb0d10b208fe-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b98bbd28a1ea47f29bcfdb0d10b208fe-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b98bbd28a1ea47f29bcfdb0d10b208fe-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/b98bbd28a1ea47f29bcfdb0d10b208fe-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1000BASE-SX (c\u00e1p quang \u0111a mode, l\u00ean \u0111\u1ebfn 550 m)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478230.htm\">SFP 1000BASE-SX<\/a> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho truy\u1ec1n d\u1eabn c\u1ef1 ly ng\u1eafn tr\u00ean c\u00e1p quang \u0111a mode (MMF).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Kho\u1ea3ng c\u00e1ch \u0111i\u1ec3n h\u00ecnh:<\/strong> L\u00ean \u0111\u1ebfn 220\u2013550 m (t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i s\u1ee3i OM)<\/p><\/li>\n\n\n\n<li><p><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> 850 nm<\/p><\/li>\n\n\n\n<li><p><strong>Lo\u1ea1i s\u1ee3i quang:<\/strong> \u0110a mode (OM1 \/ OM2 \/ OM3 \/ OM4)<\/p><\/li>\n\n\n\n<li><p><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>```html<\/p><\/li>\n\n\n\n<li><p>Doanh nghi\u1ec7p <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/local-area-network-lan-modern-networking-fast-secure-connections\/\" target=\"_blank\" rel=\"\">M\u1ea1ng LAN<\/a><\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft ng\u1eafn gi\u1eefa c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t cho c\u00e1c k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1000BASE-LX \/ EX \/ ZX (s\u1ee3i quang \u0111\u01a1n mode, 10 km\u201380 km+)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 truy\u1ec1n d\u1eabn \u1edf kho\u1ea3ng c\u00e1ch xa tr\u00ean s\u1ee3i quang \u0111\u01a1n mode (SMF) v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u1ea1ng vi\u1ec5n th\u00f4ng v\u00e0 m\u1ea1ng c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\"><strong>1000BASE-LX<\/strong><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Kho\u1ea3ng c\u00e1ch:<\/strong> l\u00ean \u0111\u1ebfn 10 km<\/p><\/li>\n\n\n\n<li><p><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> 1310 nm<\/p><\/li>\n\n\n\n<li><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> m\u1ea1ng khu\u00f4n vi\u00ean, truy c\u1eadp \u0111\u00f4 th\u1ecb<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\"><strong>1000BASE-EX<\/strong><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Kho\u1ea3ng c\u00e1ch:<\/strong> l\u00ean \u0111\u1ebfn 40 km<\/p><\/li>\n\n\n\n<li><p><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> 1310 nm (ph\u1ea1m vi m\u1edf r\u1ed9ng)<\/p><\/li>\n\n\n\n<li><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> m\u1ea1ng \u0111\u00f4 th\u1ecb v\u00e0 m\u1ea1ng t\u1eadp h\u1ee3p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476865.htm\"><strong>1000BASE-ZX<\/strong><\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Kho\u1ea3ng c\u00e1ch:<\/strong> l\u00ean \u0111\u1ebfn 70\u201380 km (ho\u1eb7c xa h\u01a1n v\u1edbi khu\u1ebfch \u0111\u1ea1i)<\/p><\/li>\n\n\n\n<li><p><strong>B\u01b0\u1edbc s\u00f3ng:<\/strong> 1550 nm<\/p><\/li>\n\n\n\n<li><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> li\u00ean k\u1ebft vi\u1ec5n th\u00f4ng \u0111\u01b0\u1eddng d\u00e0i, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u00f5i<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 khai th\u00e1c vi\u1ec5n th\u00f4ng x\u1eed l\u00fd vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u1edf kho\u1ea3ng c\u00e1ch xa.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SFP \u0111\u1ed3ng (1000BASE-T)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476770.htm\"><strong>M\u00f4-\u0111un SFP 1000BASE-T<\/strong><\/a><strong> <\/strong>c\u00e1c m\u00f4-\u0111un s\u1eed d\u1ee5ng c\u00e1p Ethernet \u0111\u1ed3ng (RJ45) thay v\u00ec c\u00e1p quang.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Kho\u1ea3ng c\u00e1ch:<\/strong> l\u00ean \u0111\u1ebfn 100 m\u00e9t<\/p><\/li>\n\n\n\n<li><p><strong>Ph\u01b0\u01a1ng ti\u1ec7n:<\/strong> <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/cat5e-vs-cat6-vs-cat6a-for-copper-sfp\/\" target=\"_self\">Cat5e \/ Cat6 \/ Cat6a<\/a><\/p><\/li>\n\n\n\n<li><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>M\u1ea1ng v\u0103n ph\u00f2ng<\/p><\/li>\n\n\n\n<li><p>K\u1ebft n\u1ed1i thi\u1ebft b\u1ecb \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/li>\n\n\n\n<li><p>C\u00e1c tri\u1ec3n khai nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 b\u1ecb gi\u1edbi h\u1ea1n v\u1ec1 kho\u1ea3ng c\u00e1ch, c\u00e1c m\u00f4-\u0111un SFP \u0111\u1ed3ng v\u1eabn \u0111\u01a1n gi\u1ea3n, linh ho\u1ea1t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c \u1ee9ng d\u1ee5ng kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea3ng so s\u00e1nh m\u00f4-\u0111un SFP<\/h3>\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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i SFP<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Quang \/ Ph\u01b0\u01a1ng ti\u1ec7n<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>B\u01b0\u1edbc s\u00f3ng<br><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c h\u1ea1n ch\u1ebf m\u00e3 h\u00f3a c\u1ee7a nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1ee3c xem x\u00e9t n\u1ebfu s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb quang h\u1ecdc c\u1ee7a b\u00ean th\u1ee9 ba<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110a mode (MMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn 550 m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>850 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung t\u00e2m d\u1eef li\u1ec7u, li\u00ean k\u1ebft ng\u1eafn<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>1000BASE-LX<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n mode (SMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn 10 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Khu\u00f4n vi\u00ean, truy c\u1eadp \u0111\u00f4 th\u1ecb<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>1000BASE-EX<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n mode (SMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn 40 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eadp h\u1ee3p \u0111\u00f4 th\u1ecb<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>1000BASE-ZX<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n mode (SMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn 80 km+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1550 nm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u00f5i vi\u1ec5n th\u00f4ng \u0111\u01b0\u1eddng d\u00e0i<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>1000BASE-T<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ed3ng (RJ45)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>l\u00ean \u0111\u1ebfn 100 m<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u00f4ng \u00e1p d\u1ee5ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft v\u0103n ph\u00f2ng \/ kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP kh\u00e1c nhau \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c kho\u1ea3ng c\u00e1ch v\u00e0 lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n c\u1ee5 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1eed d\u1ee5ng SX cho c\u00e1c li\u00ean k\u1ebft \u0111a mode ng\u1eafn<\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng LX\/EX\/ZX cho c\u00e1c kho\u1ea3ng c\u00e1ch t\u0103ng d\u1ea7n tr\u00ean s\u1ee3i quang \u0111\u01a1n mode<\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng 1000BASE-T cho c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ed3ng ng\u1eafn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i \u0111\u1ea3m b\u1ea3o truy\u1ec1n d\u1eabn \u0111\u00e1ng tin c\u1eady, chi ph\u00ed t\u1ed1i \u01b0u v\u00e0 \u1ed5n \u0111\u1ecbnh m\u1ea1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd04 C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a SFP trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf m\u1ed9t lo\u1ea1i m\u1ea1ng duy nh\u1ea5t\u2014ch\u00fang \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i tr\u00ean nhi\u1ec1u l\u1edbp c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng, t\u1eeb m\u1ea1ng truy c\u1eadp \u0111\u1ebfn m\u1ea1ng l\u00f5i. T\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh giao di\u1ec7n ph\u1ed5 qu\u00e1t<strong> gi\u1ea3i ph\u00e1p<\/strong> cho c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 ki\u1ebfn tr\u00fac truy\u1ec1n d\u1eabn kh\u00e1c nhau.<\/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\/a28285a598424d0d8cb4334010bb8fbc.jpg\" alt=\"Key Applications of SFP in Telecom Infrastructure\" class=\"wp-image-2705\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a28285a598424d0d8cb4334010bb8fbc.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a28285a598424d0d8cb4334010bb8fbc-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a28285a598424d0d8cb4334010bb8fbc-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a28285a598424d0d8cb4334010bb8fbc-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a28285a598424d0d8cb4334010bb8fbc-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ea1ng Ethernet<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a SFP trong vi\u1ec5n th\u00f4ng l\u00e0 trong c\u00e1c m\u1ea1ng d\u1ef1a tr\u00ean Ethernet, v\u1ed1n l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng IP hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u1ebft n\u1ed1i c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 thi\u1ebft b\u1ecb truy\u1ec1n d\u1eabn<\/p><\/li>\n\n\n\n<li><p>B\u1eadt c\u00e1c li\u00ean k\u1ebft Gigabit Ethernet (1G) qua s\u1ee3i quang ho\u1eb7c c\u00e1p \u0111\u1ed3ng<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 m\u1edf r\u1ed9ng m\u1ea1ng linh ho\u1ea1t trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u00f4 th\u1ecb v\u00e0 doanh nghi\u1ec7p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c t\u00ecnh hu\u1ed1ng vi\u1ec5n th\u00f4ng, m\u00f4-\u0111un Ethernet SFP \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>M\u1ea1ng Ethernet \u0111\u00f4 th\u1ecb<\/p><\/li>\n\n\n\n<li><p>Doanh nghi\u1ec7p <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-wide-area-network\/\" target=\"_self\">WAN<\/a> k\u1ebft n\u1ed1i<\/p><\/li>\n\n\n\n<li><p>\u0110\u01b0\u1eddng truy\u1ec1n ng\u01b0\u1ee3c cho tr\u1ea1m g\u1ed1c (4G\/5G)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ethernet + SFP cung c\u1ea5p gi\u1ea3i ph\u00e1p thay th\u1ebf hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed v\u00e0 linh ho\u1ea1t so v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 v\u1eadn chuy\u1ec3n vi\u1ec5n th\u00f4ng truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ec7 th\u1ed1ng SONET \/ SDH<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 c\u00e1c c\u00f4ng ngh\u1ec7 d\u1ef1a tr\u00ean IP m\u1edbi h\u01a1n \u0111ang chi\u1ebfm \u01b0u th\u1ebf ng\u00e0y nay, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sonet-sdh-in-optical-transport-networks\/\">SONET<\/a> (M\u1ea1ng quang \u0111\u1ed3ng b\u1ed9) v\u00e0 SDH (Ph\u00e2n c\u1ea5p s\u1ed1 \u0111\u1ed3ng b\u1ed9) v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng k\u1ebf th\u1eeba v\u00e0 lai gh\u00e9p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4-\u0111un SFP trong m\u00f4i tr\u01b0\u1eddng SONET\/SDH:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Cung c\u1ea5p giao di\u1ec7n quang cho c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n d\u1eabn \u0111\u1ed3ng b\u1ed9<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 vi\u1ec5n th\u00f4ng ti\u00eau chu\u1ea9n (v\u00ed d\u1ee5: OC-3, OC-12, STM-1)<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady cao v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p cho c\u00e1c d\u1ecbch v\u1ee5 quan tr\u1ecdng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFP cho ph\u00e9p t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch gi\u1eefa c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng k\u1ebf th\u1eeba v\u00e0 c\u00e1c m\u1ea1ng quang hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ea1ng quang th\u1ee5 \u0111\u1ed9ng (PON \/ FTTH)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u1ea1ng truy nh\u1eadp, m\u00f4-\u0111un SFP \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong M\u1ea1ng quang th\u1ee5 \u0111\u1ed9ng (PON), \u0111\u1eb7c bi\u1ec7t l\u00e0 trong <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-ftth-fiber-to-the-home\/\">C\u00e1p quang \u0111\u1ebfn t\u1eadn nh\u00e0<\/a> C\u00e1c tri\u1ec3n khai FTTH.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00ecnh hu\u1ed1ng s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Li\u00ean k\u1ebft l\u00ean c\u1ee7a OLT (B\u1ed9 ch\u1ea5m d\u1ee9t \u0111\u01b0\u1eddng quang)<\/p><\/li>\n\n\n\n<li><p>C\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch t\u1eadp trung k\u1ebft n\u1ed1i nhi\u1ec1u n\u00fat truy nh\u1eadp<\/p><\/li>\n\n\n\n<li><p>T\u00edch h\u1ee3p v\u1edbi<br> <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/gpon-fiber-optic-broadband-high-speed-internet-phone-tv\/\" target=\"_blank\" rel=\"\">GPON<\/a> \/ <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/epon-fiber-optic-network-benefits-for-homes-businesses\/\" target=\"_blank\" rel=\"\">EPON<\/a> \/ <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/xg-pon-10-gbps-fiber-internet-speed-capacity-benefits\/\" target=\"_self\">XG-PON<\/a> )<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4-\u0111un SFP gi\u00fap c\u00e1c nh\u00e0 khai th\u00e1c vi\u1ec5n th\u00f4ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Cung c\u1ea5p d\u1ecbch v\u1ee5 b\u0103ng th\u00f4ng r\u1ed9ng t\u1ed1c \u0111\u1ed9 cao cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i<\/p><\/li>\n\n\n\n<li><p>M\u1edf r\u1ed9ng ph\u1ea1m vi ph\u1ee7 s\u00f3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 b\u1eb1ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang<\/p><\/li>\n\n\n\n<li><p>T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng trong c\u00e1c m\u1ea1ng quang chia s\u1ebb<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c tri\u1ec3n khai FTTH, m\u00f4-\u0111un SFP r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i \u201cd\u1eb7m cu\u1ed1i\u201d linh ho\u1ea1t v\u1ec1 quy m\u00f4 v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 c\u00e1c l\u1edbp t\u1eadp trung<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4-\u0111un SFP c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 c\u00e1c l\u1edbp t\u1eadp trung vi\u1ec5n th\u00f4ng, n\u01a1i m\u1eadt \u0111\u1ed9 c\u1ed5ng cao v\u00e0 t\u00ednh linh ho\u1ea1t l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng n\u00e0y, SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-tor-top-of-rack-switch\/\" target=\"_self\">\u0110\u1ec9nh k\u1ec7<\/a> (ToR) k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 chuy\u1ec3n m\u1ea1ch t\u1eadp trung<\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft s\u1ee3i quang t\u1eeb m\u00e1y ch\u1ee7 \u0111\u1ebfn b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li>\n\n\n\n<li><p>K\u1ebft n\u1ed1i gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u (<a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\" target=\"_blank\" rel=\"\">DCI<\/a>)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c l\u1ee3i \u00edch ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ea5u h\u00ecnh c\u1ed5ng m\u1eadt \u0111\u1ed9 cao<\/p><\/li>\n\n\n\n<li><p>N\u00e2ng c\u1ea5p d\u1ec5 d\u00e0ng m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 c\u1ea3 li\u00ean k\u1ebft t\u1ea7m ng\u1eafn (MMF) v\u00e0 t\u1ea7m xa (SMF)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong ki\u1ebfn tr\u00fac vi\u1ec5n th\u00f4ng, trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00e1c trung t\u00e2m l\u01b0u l\u01b0\u1ee3ng, v\u00e0 c\u00e1c m\u00f4-\u0111un SFP \u0111\u1ea3m b\u1ea3o lu\u1ed3ng d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c l\u1edbp truy c\u1eadp, t\u1ed5ng h\u1ee3p v\u00e0 l\u00f5i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\">SFP<br><\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean to\u00e0n b\u1ed9 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng v\u00ec ch\u00fang h\u1ed7 tr\u1ee3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>m\u1ea1ng Ethernet<\/strong> cho giao ti\u1ebfp linh ho\u1ea1t d\u1ef1a tr\u00ean IP<\/p><\/li>\n\n\n\n<li><p><strong>h\u1ec7 th\u1ed1ng SONET\/SDH<\/strong> cho vi\u1ec7c v\u1eadn chuy\u1ec3n di s\u1ea3n v\u00e0 \u0111\u1ed9 tin c\u1eady cao<\/p><\/li>\n\n\n\n<li><p><strong>tri\u1ec3n khai PON\/FTTH<\/strong> cho truy c\u1eadp b\u0103ng th\u00f4ng r\u1ed9ng<\/p><\/li>\n\n\n\n<li><p><strong>Trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 c\u00e1c l\u1edbp t\u1ed5ng h\u1ee3p<\/strong> cho kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i m\u1edf r\u1ed9ng quy m\u00f4<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c nhau khi\u1ebfn SFP tr\u1edf th\u00e0nh m\u1ed9t kh\u1ed1i x\u00e2y d\u1ef1ng c\u1ed1t l\u00f5i c\u1ee7a c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd04 C\u00e1c m\u00f4-\u0111un SFP CWDM v\u00e0 DWDM cho x\u01b0\u01a1ng s\u1ed1ng vi\u1ec5n th\u00f4ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Khi c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng ti\u1ebfp t\u1ee5c m\u1edf r\u1ed9ng quy m\u00f4, vi\u1ec7c \u0111\u01a1n thu\u1ea7n t\u0103ng s\u1ed1 s\u1ee3i quang kh\u00f4ng c\u00f2n l\u00e0 gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 nh\u1ea5t. Thay v\u00e0o \u0111\u00f3, c\u00e1c nh\u00e0 khai th\u00e1c d\u1ef1a v\u00e0o c\u00f4ng ngh\u1ec7 gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (Wavelength Division Multiplexing \u2013<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/wdm-optical-transceiver-module-applications\/\">WDM<\/a>)\u2014\u0111\u01b0\u1ee3c tri\u1ec3n khai th\u00f4ng qua c\u00e1c m\u00f4-\u0111un SFP\u2014\u0111\u1ec3 t\u0103ng dung l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3 tr\u00ean c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ee3i quang hi\u1ec7n c\u00f3.<\/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\/c58ec642c0f64c59a9c2751eb0016eda.jpg\" alt=\"CWDM and DWDM SFP Modules for Telecom Backbones\" class=\"wp-image-2706\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c58ec642c0f64c59a9c2751eb0016eda.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c58ec642c0f64c59a9c2751eb0016eda-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c58ec642c0f64c59a9c2751eb0016eda-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c58ec642c0f64c59a9c2751eb0016eda-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c58ec642c0f64c59a9c2751eb0016eda-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM) l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gh\u00e9p k\u00eanh ph\u00e2n chia theo b\u01b0\u1edbc s\u00f3ng (WDM) l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 cho ph\u00e9p truy\u1ec1n \u0111\u1ed3ng th\u1eddi nhi\u1ec1u t\u00edn hi\u1ec7u quang tr\u00ean m\u1ed9t s\u1ee3i quang duy nh\u1ea5t, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc s\u00f3ng (m\u00e0u s\u1eafc) \u00e1nh s\u00e1ng kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thay v\u00ec g\u1eedi m\u1ed9t t\u00edn hi\u1ec7u tr\u00ean m\u1ed7i s\u1ee3i quang, WDM cho ph\u00e9p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Nhi\u1ec1u k\u00eanh d\u1eef li\u1ec7u \u0111\u1ed9c l\u1eadp<\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng b\u0103ng th\u00f4ng hi\u1ec7u qu\u1ea3 h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Gi\u1ea3m nhu c\u1ea7u tri\u1ec3n khai th\u00eam s\u1ee3i quang<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 hai lo\u1ea1i ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec5n th\u00f4ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>CWDM (\u0110a ph\u00e2n b\u01b0\u1edbc s\u00f3ng th\u00f4)<br><\/p><\/li>\n\n\n\n<li><p>DWDM (\u0110a ph\u00e2n b\u01b0\u1edbc s\u00f3ng d\u00e0y \u0111\u1eb7c)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i b\u1eb1ng c\u00e1c b\u1ed9 thu ph\u00e1t SFP trong c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">So s\u00e1nh CWDM v\u00e0 DWDM: Nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh<\/h3>\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;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/492784.htm\">M\u00f4-\u0111un SFP CWDM<\/a><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>M\u00f4-\u0111un SFP DWDM<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch k\u00eanh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>R\u1ed9ng (20 nm)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>R\u1ea5t h\u1eb9p (0,8 nm \/ 100 GHz)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>S\u1ed1 l\u01b0\u1ee3ng k\u00eanh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 18 k\u00eanh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>40, 80 ho\u1eb7c nhi\u1ec1u h\u01a1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a kho\u1ea3ng 80 km<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eeb 80 km \u0111\u1ebfn h\u01a1n 1000 km (khi c\u00f3 khu\u1ebfch \u0111\u1ea1i)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Cost<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lower<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cao h\u01a1n (c\u00f4ng ngh\u1ec7 ph\u1ee9c t\u1ea1p h\u01a1n)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng \u0111\u00f4 th\u1ecb \/ truy c\u1eadp<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng x\u01b0\u01a1ng s\u1ed1ng \/ l\u00f5i \u0111\u01b0\u1eddng d\u00e0i<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">CWDM r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c tri\u1ec3n khai \u0111\u00f4 th\u1ecb nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed, trong khi DWDM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c x\u01b0\u01a1ng s\u1ed1ng vi\u1ec5n th\u00f4ng \u0111\u01b0\u1eddng d\u00e0i v\u1edbi dung l\u01b0\u1ee3ng cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ee3i \u00edch d\u00e0nh cho c\u00e1c nh\u00e0 khai th\u00e1c vi\u1ec5n th\u00f4ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un SFP CWDM v\u00e0 DWDM mang l\u1ea1i nhi\u1ec1u l\u1ee3i th\u1ebf chi\u1ebfn l\u01b0\u1ee3c:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u1edf r\u1ed9ng dung l\u01b0\u1ee3ng kh\u1ed5ng l\u1ed3<\/strong><br>C\u00e1c nh\u00e0 khai th\u00e1c c\u00f3 th\u1ec3 truy\u1ec1n h\u00e0ng ch\u1ee5c t\u00edn hi\u1ec7u qua m\u1ed9t s\u1ee3i quang duy nh\u1ea5t, l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 b\u0103ng th\u00f4ng m\u00e0 kh\u00f4ng c\u1ea7n l\u1eafp \u0111\u1eb7t th\u00eam c\u00e1p m\u1edbi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vi\u1ec7c s\u1eed d\u1ee5ng s\u1ee3i quang hi\u1ec7u qu\u1ea3<\/strong><br>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1ee3i quang t\u1ed1n k\u00e9m khi tri\u1ec3n khai. WDM t\u1ed1i \u0111a h\u00f3a gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c t\u00e0i s\u1ea3n s\u1ee3i quang hi\u1ec7n c\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M\u1edf r\u1ed9ng m\u1ea1ng linh ho\u1ea1t<\/strong><br>C\u00e1c b\u01b0\u1edbc s\u00f3ng (k\u00eanh) m\u1edbi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ed5 sung t\u1eebng ph\u1ea7n khi nhu c\u1ea7u t\u0103ng l\u00ean, m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c d\u1ecbch v\u1ee5 hi\u1ec7n c\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u1ed7 tr\u1ee3 c\u00e1c d\u1ecbch v\u1ee5 t\u1ed1c \u0111\u1ed9 cao<\/strong><br>C\u00e1c h\u1ec7 th\u1ed1ng WDM h\u1ed7 tr\u1ee3 c\u00e1c d\u1ecbch v\u1ee5 vi\u1ec5n th\u00f4ng ti\u00ean ti\u1ebfn, bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-5g-backhaul\/\" target=\"_self\">\u0111\u01b0\u1eddng truy\u1ec1n ng\u01b0\u1ee3c 5G<\/a><\/p><\/li>\n\n\n\n<li><p>K\u1ebft n\u1ed1i \u0111\u00e1m m\u00e2y v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/p><\/li>\n\n\n\n<li><p>K\u1ebft n\u1ed1i doanh nghi\u1ec7p v\u1edbi dung l\u01b0\u1ee3ng cao<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1edf r\u1ed9ng b\u0103ng th\u00f4ng tr\u00ean m\u1ed9t s\u1ee3i quang duy nh\u1ea5t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng s\u1eed d\u1ee5ng WDM, m\u1ed9t s\u1ee3i quang ch\u1ec9 truy\u1ec1n m\u1ed9t lu\u1ed3ng d\u1eef li\u1ec7u theo m\u1ed7i h\u01b0\u1edbng.<strong>n<\/strong>. V\u1edbi WDM:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ed7i b\u01b0\u1edbc s\u00f3ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t k\u00eanh truy\u1ec1n th\u00f4ng \u0111\u1ed9c l\u1eadp<\/p><\/li>\n\n\n\n<li><p>Nhi\u1ec1u module SFP ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi tr\u00ean c\u00e1c b\u01b0\u1edbc s\u00f3ng kh\u00e1c nhau<\/p><\/li>\n\n\n\n<li><p>T\u1ed5ng b\u0103ng th\u00f4ng \u0111\u01b0\u1ee3c nh\u00e2n l\u00ean theo s\u1ed1 l\u01b0\u1ee3ng k\u00eanh<\/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>M\u1ed9t s\u1ee3i quang v\u1edbi 8 k\u00eanh CWDM \u2192 dung l\u01b0\u1ee3ng t\u0103ng 8 l\u1ea7n<\/p><\/li>\n\n\n\n<li><p>M\u1ed9t h\u1ec7 th\u1ed1ng DWDM v\u1edbi 80 k\u00eanh \u2192 dung l\u01b0\u1ee3ng t\u0103ng 80 l\u1ea7n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y khi\u1ebfn <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/492512.htm\">C\u00e1c module SFP WDM<\/a> tr\u1edf n\u00ean thi\u1ebft y\u1ebfu cho c\u00e1c m\u1ea1ng l\u00f5i vi\u1ec5n th\u00f4ng hi\u1ec7n \u0111\u1ea1i, n\u01a1i nhu c\u1ea7u b\u0103ng th\u00f4ng li\u00ean t\u1ee5c gia t\u0103ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module SFP CWDM v\u00e0 DWDM gi\u00fap c\u00e1c nh\u00e0 khai th\u00e1c vi\u1ec5n th\u00f4ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1edf r\u1ed9ng b\u0103ng th\u00f4ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3<\/p><\/li>\n\n\n\n<li><p>Gi\u1ea3m chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng<\/p><\/li>\n\n\n\n<li><p>K\u00e9o d\u00e0i kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai cho m\u1ea1ng c\u1ee7a h\u1ecd<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 n\u1ec1n t\u1ea3ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng quang dung l\u01b0\u1ee3ng cao, \u0111\u1ea1t ti\u00eau chu\u1ea9n nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd04 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 SFP trong m\u1ea1ng vi\u1ec5n th\u00f4ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 gi\u1ea3i \u0111\u00e1p nh\u1eefng lo ng\u1ea1i ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 n\u00e2ng cao t\u00ednh minh b\u1ea1ch, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00e2u tr\u1ea3 l\u1eddi cho nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 SFP trong m\u1ea1ng vi\u1ec5n th\u00f4ng. C\u00e1c c\u00e2u tr\u1ea3 l\u1eddi n\u00e0y t\u1eadp trung v\u00e0o hi\u1ec3u bi\u1ebft th\u1ef1c ti\u1ec5n, kh\u00f4ng l\u1eb7p l\u1ea1i c\u00e1c ph\u1ea7n \u0111\u00e3 tr\u00ecnh b\u00e0y tr\u01b0\u1edbc \u0111\u00f3.<\/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\/e09129b9a22c4bafb015069540a3722e.jpg\" alt=\"FAQ about SFP in Telecom Networks\" class=\"wp-image-2707\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e09129b9a22c4bafb015069540a3722e.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e09129b9a22c4bafb015069540a3722e-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e09129b9a22c4bafb015069540a3722e-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e09129b9a22c4bafb015069540a3722e-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e09129b9a22c4bafb015069540a3722e-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 1: SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec trong vi\u1ec5n th\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong vi\u1ec5n th\u00f4ng, c\u00e1c module SFP ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u1ea1o kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i linh ho\u1ea1t gi\u1eefa thi\u1ebft b\u1ecb m\u1ea1ng v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn. Ch\u00fang cho ph\u00e9p c\u00e1c nh\u00e0 khai th\u00e1c \u0111i\u1ec1u ch\u1ec9nh c\u1ed5ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch, \u0111\u1ecbnh tuy\u1ebfn v\u00e0 thi\u1ebft b\u1ecb quang \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c lo\u1ea1i k\u1ebft n\u1ed1i kh\u00e1c nhau \u2014 d\u00f9 l\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng truy nh\u1eadp, l\u1edbp t\u1ed5ng h\u1ee3p hay c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng l\u00f5i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb trong c\u00e1c t\u00ecnh hu\u1ed1ng m\u00e0 thi\u1ebft k\u1ebf m\u1ea1ng c\u1ea7n duy tr\u00ec t\u00ednh linh ho\u1ea1t theo th\u1eddi gian, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1edf r\u1ed9ng ph\u1ea1m vi ph\u1ee7 s\u00f3ng b\u0103ng th\u00f4ng r\u1ed9ng ho\u1eb7c n\u00e2ng c\u1ea5p c\u00e1c li\u00ean k\u1ebft truy\u1ec1n d\u1eabn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 2: SFP c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u1ea3 c\u00e1p quang v\u00e0 c\u00e1p \u0111\u1ed3ng kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3. M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a module SFP l\u00e0 h\u1ed7 tr\u1ee3 c\u1ea3 k\u1ebft n\u1ed1i c\u00e1p quang v\u00e0 c\u00e1p \u0111\u1ed3ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/488431.htm\" target=\"_self\">T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a<\/a> \u2192 d\u00f9ng cho kho\u1ea3ng c\u00e1ch xa v\u00e0 c\u00e1c li\u00ean k\u1ebft hi\u1ec7u n\u0103ng cao<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476812.htm\" target=\"_self\">SFP \u0111\u1ed3ng<\/a> (RJ45) \u2192 d\u00f9ng cho c\u00e1c k\u1ebft n\u1ed1i Ethernet t\u1ea7m ng\u1eafn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00f9ng m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng x\u1eed l\u00fd c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n kh\u00e1c nhau ch\u1ec9 b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i module SFP, thay v\u00ec thay th\u1ebf to\u00e0n b\u1ed9 ph\u1ea7n c\u1ee9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 3: Module SFP h\u1ed7 tr\u1ee3 kho\u1ea3ng c\u00e1ch bao xa?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Module SFP c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 d\u1ea3i kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn r\u1ea5t r\u1ed9ng, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u1ebft n\u1ed1i t\u1ea7m ng\u1eafn \u2192 v\u00e0i ch\u1ee5c \u0111\u1ebfn v\u00e0i tr\u0103m m\u00e9t<\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft t\u1ea7m trung \u2192 v\u00e0i kil\u00f4m\u00e9t<\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft vi\u1ec5n th\u00f4ng t\u1ea7m xa \u2192 v\u00e0i ch\u1ee5c kil\u00f4m\u00e9t tr\u1edf l\u00ean<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kho\u1ea3ng c\u00e1ch ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 lo\u1ea1i s\u1ee3i quang, b\u01b0\u1edbc s\u00f3ng v\u00e0 thi\u1ebft k\u1ebf m\u1ea1ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ed9t gi\u1edbi h\u1ea1n c\u1ed1 \u0111\u1ecbnh duy nh\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 4: Module SFP c\u00f3 h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng (hot-swap) kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3. Module SFP \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng, ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o ho\u1eb7c th\u00e1o ra khi thi\u1ebft b\u1ecb v\u1eabn \u0111ang \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh n\u0103ng n\u00e0y cho ph\u00e9p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thay th\u1ebf nhanh c\u00e1c module l\u1ed7i<\/p><\/li>\n\n\n\n<li><p>N\u00e2ng c\u1ea5p ho\u1eb7c thay \u0111\u1ed5i c\u1ea5u h\u00ecnh m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch<\/p><\/li>\n\n\n\n<li><p>Gi\u00e1n \u0111o\u1ea1n t\u1ed1i thi\u1ec3u \u0111\u1ed1i v\u1edbi ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh n\u0103ng n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong m\u00f4i tr\u01b0\u1eddng vi\u1ec5n th\u00f4ng, n\u01a1i th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 5: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SFP v\u00e0 SFP+ l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh n\u1eb1m \u1edf t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 hi\u1ec7u n\u0103ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP<\/strong> \u2192 th\u01b0\u1eddng h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a <strong>1 Gbps (Ethernet Gigabit)<\/strong><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\" target=\"_self\"><strong>SFP+<\/strong><\/a> \u2192 h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a <strong>10 Gbps (Ethernet 10 Gigabit)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 ch\u00fang c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd t\u01b0\u01a1ng t\u1ef1 nhau, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp cho nhau, v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ed5ng thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n:<br>SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c li\u00ean k\u1ebft vi\u1ec5n th\u00f4ng ti\u00eau chu\u1ea9n, trong khi SFP+ \u0111\u01b0\u1ee3c d\u00f9ng cho c\u00e1c n\u00e2ng c\u1ea5p m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao<strong>.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udd04 K\u1ebft lu\u1eadn: C\u00e1ch ch\u1ecdn module SFP ph\u00f9 h\u1ee3p cho m\u1ea1ng vi\u1ec5n th\u00f4ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn SFP ph\u00f9 h\u1ee3p trong c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 ch\u1ecdn m\u1ed9t b\u1ed9 thu ph\u00e1t\u2014m\u00e0 c\u00f2n l\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 hi\u1ec7u qu\u1ea3 hi\u1ec7u su\u1ea5t tr\u00ean to\u00e0n b\u1ed9 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quang h\u1ecdc c\u1ee7a b\u1ea1n. Quy tr\u00ecnh l\u1ef1a ch\u1ecdn \u0111\u00fang gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c s\u1ef1 c\u1ed1 li\u00ean k\u1ebft, suy gi\u1ea3m t\u00edn hi\u1ec7u v\u00e0 chi ph\u00ed n\u00e2ng c\u1ea5p kh\u00f4ng c\u1ea7n thi\u1ebft.<\/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\/dd9d3e566f404802ace91bd7fff03c2a.jpg\" alt=\"How to Select the Right SFP for Telecom Networks\" class=\"wp-image-2708\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dd9d3e566f404802ace91bd7fff03c2a.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dd9d3e566f404802ace91bd7fff03c2a-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dd9d3e566f404802ace91bd7fff03c2a-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dd9d3e566f404802ace91bd7fff03c2a-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/dd9d3e566f404802ace91bd7fff03c2a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00f3m t\u1eaft quy\u1ebft \u0111\u1ecbnh (Kho\u1ea3ng c\u00e1ch + \u1ee8ng d\u1ee5ng + Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi l\u1ef1a ch\u1ecdn module SFP, quy\u1ebft \u0111\u1ecbnh lu\u00f4n ph\u1ea3i d\u1ef1a tr\u00ean ba y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Y\u00eau c\u1ea7u kho\u1ea3ng c\u00e1ch<\/strong> \u2192 Ph\u1ea1m vi ng\u1eafn (SX), trung b\u00ecnh (LX\/EX) ho\u1eb7c xa (ZX \/ DWDM)<\/p><\/li>\n\n\n\n<li><p><strong>T\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng<\/strong> \u2192 Ethernet, FTTH\/PON, trung t\u00e2m d\u1eef li\u1ec7u ho\u1eb7c m\u1ea1ng l\u00f5i vi\u1ec5n th\u00f4ng<\/p><\/li>\n\n\n\n<li><p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi thi\u1ebft b\u1ecb<\/strong> \u2192 H\u1ed7 tr\u1ee3 t\u1eeb switch\/router v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 cung c\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u1edbp ch\u00ednh x\u00e1c gi\u1eefa ba y\u1ebfu t\u1ed1 n\u00e0y \u0111\u1ea3m b\u1ea3o truy\u1ec1n d\u1eabn \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u n\u0103ng m\u1ea1ng t\u1ed1i \u01b0u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch (Switch \/ Nh\u00e0 cung c\u1ea5p)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi tri\u1ec3n khai module SFP, h\u00e3y x\u00e1c minh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch MSA c\u1ee7a switch ho\u1eb7c router<\/p><\/li>\n\n\n\n<li><p>Y\u00eau c\u1ea7u m\u00e3 h\u00f3a c\u1ee7a nh\u00e0 cung c\u1ea5p (<a href=\"https:\/\/www.l-p.com\/products\/476863.htm\" target=\"_self\">Cisco<\/a>, <a href=\"https:\/\/www.l-p.com\/products\/478013.htm\" target=\"_self\">Huawei<\/a>, v.v.)<\/p><\/li>\n\n\n\n<li><p>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 lo\u1ea1i c\u1ed5ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/p><\/li>\n\n\n\n<li><p>C\u00e1c h\u1ea1n ch\u1ebf firmware ho\u1eb7c quy t\u1eafc danh s\u00e1ch tr\u1eafng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch th\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t trong c\u00e1c tri\u1ec3n khai vi\u1ec5n th\u00f4ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kho\u1ea3ng c\u00e1ch v\u00e0 Ng\u00e2n s\u00e1ch quang h\u1ecdc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u00e2n s\u00e1ch quang h\u1ecdc x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a m\u00e0 t\u00edn hi\u1ec7u c\u00f3 th\u1ec3 truy\u1ec1n \u0111i m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ed9 suy hao s\u1ee3i quang (t\u1ed5n th\u1ea5t tr\u00ean km)<\/p><\/li>\n\n\n\n<li><p>T\u1ed5n hao \u0111\u1ea7u n\u1ed1i v\u00e0 m\u1ed1i n\u1ed1i<\/p><\/li>\n\n\n\n<li><p>C\u00f4ng su\u1ea5t ph\u00e1t so v\u1edbi \u0111\u1ed9 nh\u1ea1y nh\u1eadn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lu\u00f4n \u0111\u1ea3m b\u1ea3o module SFP \u0111\u01b0\u1ee3c ch\u1ecdn cung c\u1ea5p \u0111\u1ee7 bi\u00ean d\u1ef1 ph\u00f2ng li\u00ean k\u1ebft \u0111\u1ec3 v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian d\u00e0i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lo\u1ea1i s\u1ee3i quang (OS2 so v\u1edbi OM3\/OM4)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i s\u1ee3i quang ph\u00f9 h\u1ee3p l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>OS2 (s\u1ee3i quang \u0111\u01a1n mode)<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ea1ng vi\u1ec5n th\u00f4ng v\u00e0 m\u1ea1ng l\u00f5i \u1edf kho\u1ea3ng c\u00e1ch xa<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eabn t\u1eeb 10 km \u0111\u1ebfn h\u01a1n 80 km<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p><strong>OM3 \/ OM4 (s\u1ee3i quang \u0111a mode)<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c k\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao, c\u1ef1 ly ng\u1eafn<\/p><\/li>\n\n\n\n<li><p>Th\u01b0\u1eddng l\u00ean \u0111\u1ebfn 300\u2013550 m\u00e9t<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lo\u1ea1i s\u1ee3i quang t\u01b0\u01a1ng th\u00edch v\u1edbi <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/blog\/technical-documentation\/sfp-optical-module-specifications.htm\">\u0111\u1eb7c t\u1ea3 SFP<\/a> ng\u0103n ng\u1eeba suy hao t\u00edn hi\u1ec7u v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u n\u0103ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Y\u00eau c\u1ea7u v\u1ec1 nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00f4ng nghi\u1ec7p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u00f4i tr\u01b0\u1eddng vi\u1ec5n th\u00f4ng, \u0111i\u1ec1u ki\u1ec7n tri\u1ec3n khai c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2n nh\u1eafc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ea5p th\u01b0\u01a1ng m\u1ea1i ti\u00eau chu\u1ea9n (0\u00b0C \u0111\u1ebfn 70\u00b0C)<\/p><\/li>\n\n\n\n<li><p>C\u1ea5p c\u00f4ng nghi\u1ec7p (-40\u00b0C \u0111\u1ebfn 85\u00b0C) d\u00e0nh cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/p><\/li>\n\n\n\n<li><p>Tri\u1ec3n khai ngo\u00e0i tr\u1eddi ho\u1eb7c t\u1ea1i tr\u1ea1m g\u1ed1c v\u1edbi dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn x\u1ebfp h\u1ea1ng nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady trong \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chi\u1ebfn l\u01b0\u1ee3c l\u1ef1a ch\u1ecdn SFP t\u1ed1i \u01b0u k\u1ebft h\u1ee3p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ph\u00e2n lo\u1ea1i kho\u1ea3ng c\u00e1ch ch\u00ednh x\u00e1c<\/p><\/li>\n\n\n\n<li><p>Kh\u1edbp \u0111\u00fang lo\u1ea1i s\u1ee3i quang<\/p><\/li>\n\n\n\n<li><p>T\u01b0\u01a1ng th\u00edch thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh<\/p><\/li>\n\n\n\n<li><p>Ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ki\u1ebfn tr\u00fac m\u1ea1ng vi\u1ec5n th\u00f4ng \u1ed5n \u0111\u1ecbnh, m\u1edf r\u1ed9ng linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm c\u00e1c m\u00f4-\u0111un quang \u0111\u00e1ng tin c\u1eady, hi\u1ec7u n\u0103ng cao cho tri\u1ec3n khai vi\u1ec5n th\u00f4ng, 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 t\u00ecm c\u00e1c gi\u1ea3i ph\u00e1p SFP t\u01b0\u01a1ng th\u00edch \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u1ea1ng doanh nghi\u1ec7p v\u00e0 m\u1ea1ng c\u1ea5p nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi k\u1ef9 s\u01b0 vi\u1ec5n th\u00f4ng v\u00e0 \u0111\u1ed9i ng\u0169 mua h\u00e0ng, nguy\u00ean t\u1eafc quan tr\u1ecdng nh\u1ea5t l\u00e0:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1eebng ch\u1ecdn SFP ch\u1ec9 d\u1ef1a tr\u00ean t\u1ed1c \u0111\u1ed9\u2014h\u00e3y ch\u1ecdn d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch, lo\u1ea1i s\u1ee3i quang v\u00e0 ki\u1ebfn tr\u00fac m\u1ea1ng.<\/strong><\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u00f4-\u0111un SFP \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ea3m b\u1ea3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Hi\u1ec7u n\u0103ng quang h\u1ecdc \u0111\u00e1ng tin c\u1eady<\/p><\/li>\n\n\n\n<li><p>Chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n<\/p><\/li>\n\n\n\n<li><p>N\u00e2ng c\u1ea5p m\u1ea1ng trong t\u01b0\u01a1ng lai d\u1ec5 d\u00e0ng h\u01a1n<\/p><\/li>\n\n\n\n<li><p>T\u1ef7 su\u1ea5t ho\u00e0n v\u1ed1n (ROI) d\u00e0i h\u1ea1n t\u1ed1t h\u01a1n cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng<\/p><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>H\u1ecdc hi\u1ec3u \u00fd ngh\u0129a SFP trong Telecom, bao g\u1ed3m lo\u1ea1i, quang vs d\u00e2y, kho\u1ea3ng c\u00e1ch v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf nh\u01b0 PON v\u00e0 DWDM. H\u01b0\u1edbng d\u1eabn ch\u1ecdn gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n.<\/p>","protected":false},"author":1,"featured_media":2709,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-2710","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2710","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=2710"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2710\/revisions"}],"predecessor-version":[{"id":10720,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2710\/revisions\/10720"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/2709"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=2710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=2710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=2710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}