{"id":3002,"date":"2026-03-18T00:00:00","date_gmt":"2026-03-18T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/products\/1g-sx-sfp-module-specs-compatibility-guide\/"},"modified":"2026-06-22T03:54:37","modified_gmt":"2026-06-22T03:54:37","slug":"1g-sx-sfp-module-specs-compatibility-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/products\/1g-sx-sfp-module-specs-compatibility-guide","title":{"rendered":"H\u01b0\u1edbng d\u1eabn th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a m\u00f4-\u0111un SFP 1G SX"},"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\/649afba9847e4cd3baa44dadfffbec80-1024x536.jpg\" alt=\"1G SX SFP Module Specifications and Compatibility Guide\" class=\"wp-image-2993\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/649afba9847e4cd3baa44dadfffbec80-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/649afba9847e4cd3baa44dadfffbec80-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/649afba9847e4cd3baa44dadfffbec80-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/649afba9847e4cd3baa44dadfffbec80-18x9.jpg 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/649afba9847e4cd3baa44dadfffbec80.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476091.htm\">SFP SX 1G<\/a> M\u00f4-\u0111un l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n then ch\u1ed1t trong c\u00e1c m\u1ea1ng doanh nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng LAN khu\u00f4n vi\u00ean, cung c\u1ea5p k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady 1\u202fGbps tr\u00ean c\u00e1p quang \u0111a mode. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn, c\u00e1c m\u00f4-\u0111un SFP SX ho\u1ea1t \u0111\u1ed9ng \u1edf b\u01b0\u1edbc s\u00f3ng 850\u202fnm, khi\u1ebfn ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c kho\u1ea3ng c\u00e1ch t\u1eeb 220 m\u00e9t \u0111\u1ebfn 550 m\u00e9t, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1p quang. Nh\u1eefng b\u1ed9 thu ph\u00e1t nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng n\u00e0y t\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i v\u1edbi c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 thi\u1ebft b\u1ecb quang h\u1ecdc, mang l\u1ea1i c\u1ea3 t\u00ednh linh ho\u1ea1t l\u1eabn hi\u1ec7u n\u0103ng cho vi\u1ec7c tri\u1ec3n khai m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa SX v\u00e0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\">LX SFP<\/a> c\u00e1c m\u00f4-\u0111un l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 thi\u1ebft k\u1ebf m\u1ea1ng \u0111\u00fang c\u00e1ch. Trong khi c\u00e1c m\u00f4-\u0111un SX \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1p quang \u0111a mode \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn, th\u00ec c\u00e1c m\u00f4-\u0111un LX s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng 1310\u202fnm tr\u00ean c\u00e1p quang \u0111\u01a1n mode \u0111\u1ec3 k\u1ebft n\u1ed1i \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n l\u00ean t\u1edbi 10 km. Vi\u1ec7c l\u1ef1a ch\u1ecdn sai m\u00f4-\u0111un ho\u1eb7c lo\u1ea1i c\u00e1p quang c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i li\u00ean k\u1ebft ho\u1eb7c suy gi\u1ea3m hi\u1ec7u n\u0103ng, do \u0111\u00f3 vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 tri\u1ec3n khai c\u1ea9n th\u1eadn l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, nh\u1eefng y\u1ebfu t\u1ed1 th\u1ef1c t\u1ebf nh\u01b0 lo\u1ea1i c\u00e1p quang, \u0111\u1ed9 s\u1ea1ch c\u1ee7a \u0111\u1ea7u n\u1ed1i v\u00e0 vi\u1ec7c \u0111i d\u00e2y \u0111\u00fang c\u00e1ch \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng. Ph\u1ea3n h\u1ed3i th\u1ef1c t\u1ebf t\u1eeb c\u00e1c c\u1ed9ng \u0111\u1ed3ng m\u1ea1ng n\u00eau b\u1eadt nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u01b0 s\u1eed d\u1ee5ng m\u00f4-\u0111un SX tr\u00ean c\u00e1p quang \u0111\u01a1n mode ho\u1eb7c k\u1ef3 v\u1ecdng c\u00e1c m\u00f4-\u0111un SFP SX 1G ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p t\u1ed5ng quan \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 c\u00e1c m\u00f4-\u0111un SFP SX 1G, bao g\u1ed3m c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/how-to-test-sfp-compatibility\/\">t\u01b0\u01a1ng th\u00edch<\/a>, 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. B\u1eb1ng c\u00e1ch \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y, c\u00e1c chuy\u00ean gia m\u1ea1ng c\u00f3 th\u1ec3 t\u1ef1 tin l\u1ef1a ch\u1ecdn v\u00e0 tri\u1ec3n khai c\u00e1c m\u00f4-\u0111un SFP SX \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c k\u1ebft n\u1ed1i quang hi\u1ec7u n\u0103ng cao \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705\u00a01000BASE\u2011SX l\u00e0 g\u00ec: \u0110\u1ecbnh ngh\u0129a v\u00e0 C\u00e1c T\u00ednh N\u0103ng C\u1ed1t L\u00f5i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n 1000BASE\u2011SX \u0111\u1ea1i di\u1ec7n cho m\u1ed9t c\u00f4ng ngh\u1ec7 c\u00e1p quang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u1ea1ng t\u1ed1c \u0111\u1ed9 cao \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng trong <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/local-area-network-lan-modern-networking-fast-secure-connections\/\">m\u1ea1ng c\u1ee5c b\u1ed9 (LAN)<\/a> v\u00e0 h\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eef li\u1ec7u 1\u202fGbps tr\u00ean c\u00e1p quang \u0111a mode (MMF). Ch\u1eef \u201cSX\u201d trong 1000BASE\u2011SX vi\u1ebft t\u1eaft c\u1ee7a Short Wavelength (b\u01b0\u1edbc s\u00f3ng ng\u1eafn), cho bi\u1ebft c\u00e1c m\u00f4-\u0111un n\u00e0y ho\u1ea1t \u0111\u1ed9ng \u1edf b\u01b0\u1edbc s\u00f3ng 850\u202fnm, khi\u1ebfn ch\u00fang l\u00fd t\u01b0\u1edfng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn, th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 220 m\u00e9t \u0111\u1ebfn 550 m\u00e9t, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i c\u00e1p quang. C\u00e1c k\u1ef9 s\u01b0 v\u00e0 chuy\u00ean gia m\u1ea1ng th\u01b0\u1eddng l\u1ef1a ch\u1ecdn <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477562.htm\">c\u00e1c m\u00f4-\u0111un 1000BASE\u2011SX<\/a> \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ea1ng hi\u1ec7u n\u0103ng cao v\u1edbi chi ph\u00ed h\u1ee3p l\u00fd khi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u00e1p quang \u0111a mode \u0111\u00e3 s\u1eb5n c\u00f3.<\/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\/ab6d31c6e0514bf2bc034d9744c26b7f.jpg\" alt=\"What is 1000BASE\u2011SX\" class=\"wp-image-2994\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab6d31c6e0514bf2bc034d9744c26b7f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab6d31c6e0514bf2bc034d9744c26b7f-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab6d31c6e0514bf2bc034d9744c26b7f-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab6d31c6e0514bf2bc034d9744c26b7f-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/ab6d31c6e0514bf2bc034d9744c26b7f-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00f4-\u0111un SFP SX 1G l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u00f4-\u0111un SFP SX 1G <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478231.htm\">l\u00e0 m\u1ed9t b\u1ed9 thu ph\u00e1t d\u1ea1ng nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm r\u1eddi (small form-factor pluggable), tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n 1000BASE\u2011SX, cho ph\u00e9p thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i quang 1\u202fGbps tr\u00ean c\u00e1p quang \u0111a mode. C\u00e1c m\u00f4-\u0111un n\u00e0y nh\u1ecf g\u1ecdn, c\u00f3 th\u1ec3 thay th\u1ebf n\u00f3ng v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u0169ng nh\u01b0 thi\u1ebft b\u1ecb m\u1ea1ng quang h\u1ecdc. M\u00f4-\u0111un SFP SX \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1eb7c bi\u1ec7t cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn b\u1eb1ng \u00e1nh s\u00e1ng b\u01b0\u1edbc s\u00f3ng 850\u202fnm, do \u0111\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho m\u1ea1ng khu\u00f4n vi\u00ean, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 m\u1ea1ng LAN doanh nghi\u1ec7p. C\u00e1c t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt n\u1ed5i b\u1eadt c\u1ee7a m\u1ed9t m\u00f4-\u0111un SFP SX 1G bao g\u1ed3m kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u 1\u202fGbps, k\u1ebft n\u1ed1i v\u1edbi c\u00e1p quang \u0111a mode v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c gi\u1eefa nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t. Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch \u2014 bao g\u1ed3m l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i c\u00e1p quang, l\u00e0m s\u1ea1ch \u0111\u1ea7u n\u1ed1i v\u00e0 tr\u00e1nh u\u1ed1n cong qu\u00e1 m\u1ee9c \u2014 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u.<\/a> S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa m\u00f4-\u0111un SFP SX v\u00e0 LX.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Khi l\u1ef1a ch\u1ecdn m\u1ed9t<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">, \u0111i\u1ec1u thi\u1ebft y\u1ebfu l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c m\u00f4-\u0111un SFP SX v\u00e0 LX. Trong khi <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25832-1-2-4g-transceiver-modules.htm\">m\u00f4-\u0111un SFP<\/a>, c\u00e1c m\u00f4-\u0111un SX <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482144.htm\">\u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho k\u1ebft n\u1ed1i c\u00e1p quang \u0111a mode \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn b\u1eb1ng \u00e1nh s\u00e1ng 850\u202fnm,<\/a> c\u00e1c m\u00f4-\u0111un LX, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478919.htm\">\u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho kho\u1ea3ng c\u00e1ch xa h\u01a1n tr\u00ean c\u00e1p quang \u0111\u01a1n mode (SMF), th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf b\u01b0\u1edbc s\u00f3ng 1310\u202fnm. H\u1ec7 qu\u1ea3 th\u1ef1c t\u1ebf c\u1ee7a nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y bao g\u1ed3m: c\u00e1c m\u00f4-\u0111un SX l\u00fd t\u01b0\u1edfng cho c\u00e1c li\u00ean k\u1ebft n\u1ed9i t\u00f2a nh\u00e0 v\u00e0 m\u1ea1ng khu\u00f4n vi\u00ean, trong khi c\u00e1c m\u00f4-\u0111un LX c\u00f3 th\u1ec3 bao ph\u1ee7 kho\u1ea3ng c\u00e1ch li\u00ean t\u00f2a nh\u00e0 ho\u1eb7c m\u1ea1ng \u0111\u00f4 th\u1ecb l\u00ean t\u1edbi 10 km ho\u1eb7c xa h\u01a1n. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh:<\/a> 220\u2013550\u202fm<\/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;\"\/><\/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\/482145.htm\">SX<\/a><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477879.htm\">LX<\/a><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Lo\u1ea1i s\u1ee3i<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110a mode (MMF)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01a1n mode (SMF)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>B\u01b0\u1edbc s\u00f3ng<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>850\u202fnm<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1310\u202fnm<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng c\u00e1ch \u0111i\u1ec3n h\u00ecnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10\u202fkm+<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng LAN kho\u1ea3ng c\u00e1ch ng\u1eafn<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>\u1ee8ng d\u1ee5ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng WAN\/Metro kho\u1ea3ng c\u00e1ch d\u00e0i<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng l\u1ef1a ch\u1ecdn \u0111\u00fang m\u00f4-\u0111un SFP cho y\u00eau c\u1ea7u tri\u1ec3n khai c\u1ee7a m\u00ecnh, tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch v\u00e0 t\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u1ea1ng.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u v\u1ec1 c\u00e1p quang \u0111a mode d\u00e0nh cho m\u00f4-\u0111un SFP SX.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1p quang \u0111a mode (MMF) l\u00e0 m\u00f4i tr\u01b0\u1eddng ch\u00ednh cho c\u00e1c m\u00f4-\u0111un SFP SX 1G. MMF h\u1ed7 tr\u1ee3 nhi\u1ec1u \u0111\u01b0\u1eddng truy\u1ec1n \u00e1nh s\u00e1ng, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn. C\u00e1c lo\u1ea1i MMF ph\u1ed5 bi\u1ebfn bao g\u1ed3m<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">, trong \u0111\u00f3 OM3 v\u00e0 OM4 mang l\u1ea1i hi\u1ec7u n\u0103ng cao nh\u1ea5t cho c\u00e1c m\u00f4-\u0111un SFP SX 1G. C\u00e1c k\u1ef9 s\u01b0 c\u1ea7n xem x\u00e9t c\u1ea5p \u0111\u1ed9 c\u00e1p quang, chi\u1ec1u d\u00e0i li\u00ean k\u1ebft v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t, v\u00ec vi\u1ec7c x\u1eed l\u00fd sai ho\u1eb7c \u0111\u1ea7u n\u1ed1i b\u1ecb nhi\u1ec5m b\u1ea9n c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m hi\u1ec7u n\u0103ng. C\u00e1c m\u00f4-\u0111un SFP SX \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u khi \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i v\u1edbi MMF ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1ea7u n\u1ed1i \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch \u0111\u00fang c\u00e1ch v\u00e0 qu\u1ea3n l\u00fd c\u00e1p c\u1ea9n th\u1eadn, nh\u1eb1m gi\u1ea3m thi\u1ec3u t\u1ed5n hao t\u00edn hi\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng \u1ed5n \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 1\u202fGbps. C\u00e1c m\u00f4-\u0111un n\u00e0y \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng r\u1ed9ng r\u00e3i trong m\u1ea1ng LAN doanh nghi\u1ec7p v\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\">OM1, OM2, OM3 v\u00e0 OM4<\/a>, n\u01a1i k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao \u1edf kho\u1ea3ng c\u00e1ch ng\u1eafn l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-data-center\/\">trung t\u00e2m d\u1eef li\u1ec7u<br><\/a>, \u2705\u00a0Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c m\u00f4-\u0111un SFP SX 1G.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a c\u00e1c m\u00f4-\u0111un SFP SX 1G l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng, chuy\u00ean gia CNTT v\u00e0 k\u1ef9 s\u01b0 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng. Nh\u1eefng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">b\u1ed9 thu ph\u00e1t d\u1ea1ng nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm r\u1eddi n\u00e0y <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/482292.htm\">b\u1ed9 thu ph\u00e1t c\u00f3 h\u1ec7 s\u1ed1 d\u1ea1ng nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm r\u1eddi<\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p k\u1ebft n\u1ed1i hi\u1ec7u su\u1ea5t cao 1\u202fGbps tr\u00ean c\u00e1p quang \u0111a mode trong khi v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i tr\u00ean c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng. B\u1eb1ng c\u00e1ch xem x\u00e9t b\u01b0\u1edbc s\u00f3ng, t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u v\u00e0 gi\u1edbi h\u1ea1n truy\u1ec1n d\u1eabn c\u1ee7a ch\u00fang, c\u00e1c chuy\u00ean gia c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o tri\u1ec3n khai t\u1ed1i \u01b0u v\u00e0 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch ph\u1ed5 bi\u1ebfn.<\/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\/828e06f67ef74591b3dca57f8a3b2555.jpg\" alt=\"Technical Specifications of 1G SX SFP Modules\" class=\"wp-image-2995\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/828e06f67ef74591b3dca57f8a3b2555.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/828e06f67ef74591b3dca57f8a3b2555-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/828e06f67ef74591b3dca57f8a3b2555-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/828e06f67ef74591b3dca57f8a3b2555-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/828e06f67ef74591b3dca57f8a3b2555-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc s\u00f3ng v\u00e0 lo\u1ea1i c\u00e1p quang (850 nm MMF)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a m\u00f4-\u0111un SFP SX 1G l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng b\u01b0\u1edbc s\u00f3ng ng\u1eafn 850\u202fnm \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u. B\u01b0\u1edbc s\u00f3ng n\u00e0y \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1p quang \u0111a mode (MMF), khi\u1ebfn c\u00e1c m\u00f4-\u0111un SFP SX tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c li\u00ean k\u1ebft m\u1ea1ng kho\u1ea3ng c\u00e1ch ng\u1eafn trong t\u00f2a nh\u00e0 ho\u1eb7c khu\u00f4n vi\u00ean. C\u00e1c lo\u1ea1i c\u00e1p quang \u0111a mode th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng c\u00e1c m\u00f4-\u0111un n\u00e0y bao g\u1ed3m OM1, OM2, OM3 v\u00e0 OM4, trong \u0111\u00f3 OM3 v\u00e0 OM4 mang l\u1ea1i hi\u1ec7u n\u0103ng cao h\u01a1n cho kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n \u1edf t\u1ed1c \u0111\u1ed9 1\u202fGbps. Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i c\u00e1p quang l\u00e0 r\u1ea5t quan tr\u1ecdng, v\u00ec c\u00e1p ho\u1eb7c \u0111\u1ea7u n\u1ed1i kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn suy hao t\u00edn hi\u1ec7u, m\u1ea5t \u1ed5n \u0111\u1ecbnh li\u00ean k\u1ebft ho\u1eb7c th\u1eadm ch\u00ed th\u1ea5t b\u1ea1i ho\u00e0n to\u00e0n trong k\u1ebft n\u1ed1i. C\u00e1c th\u1ef1c h\u00e0nh l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u1eef \u0111\u1ea7u n\u1ed1i lu\u00f4n s\u1ea1ch s\u1ebd v\u00e0 tr\u00e1nh u\u1ed1n cong qu\u00e1 m\u1ee9c \u2014 gi\u00fap duy tr\u00ec th\u00f4ng l\u01b0\u1ee3ng m\u1ea1ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u h\u1ed7 tr\u1ee3 v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un SFP SX 1G \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u 1\u202fGbps, tu\u00e2n th\u1ee7 chu\u1ea9n 1000BASE-SX. M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 cho r\u1eb1ng c\u00e1c m\u00f4-\u0111un n\u00e0y c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n, nh\u01b0ng ph\u1ea7n l\u1edbn m\u00f4-\u0111un SX kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng natively \u1edf t\u1ed1c \u0111\u1ed9 100\u202fMbps, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eadp k\u1ebf ho\u1ea1ch \u0111\u00fang c\u00e1ch. C\u00e1c m\u00f4-\u0111un n\u00e0y t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ph\u01b0\u01a1ng ti\u1ec7n quang kh\u00e1c nhau, tuy nhi\u00ean c\u1ea7n ki\u1ec3m tra k\u1ef9 danh s\u00e1ch t\u01b0\u01a1ng th\u00edch c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng kh\u00f3a nh\u00e0 cung c\u1ea5p (vendor lock) ho\u1eb7c s\u1ef1 kh\u00f4ng kh\u1edbp EEPROM. Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang m\u00f4-\u0111un s\u1ebd \u0111\u1ea3m b\u1ea3o m\u1ed9t li\u00ean k\u1ebft quang \u0111\u00e1ng tin c\u1eady v\u00e0 t\u1ed1c \u0111\u1ed9 cao tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn \u0111i\u1ec3n h\u00ecnh v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn t\u1ed1i \u0111a c\u1ee7a m\u1ed9t m\u00f4-\u0111un SFP SX 1G ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea3 lo\u1ea1i c\u00e1p quang v\u00e0 m\u00f4i tr\u01b0\u1eddng m\u1ea1ng. V\u1edbi c\u00e1p quang \u0111a mode ti\u00eau chu\u1ea9n OM1, kho\u1ea3ng c\u00e1ch \u0111i\u1ec3n h\u00ecnh dao \u0111\u1ed9ng t\u1eeb 220 \u0111\u1ebfn 275 m\u00e9t, trong khi <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/fiber-optic-cable-om3-vs-om4\/\">OM3 ho\u1eb7c OM4<\/a> c\u00e1p quang c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng ph\u1ea1m vi l\u00ean t\u1edbi 550 m\u00e9t. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u00e1c m\u00f4-\u0111un n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c \u1ee9ng d\u1ee5ng kho\u1ea3ng c\u00e1ch ng\u1eafn; vi\u1ec7c v\u01b0\u1ee3t qu\u00e1 kho\u1ea3ng c\u00e1ch khuy\u1ebfn ngh\u1ecb c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn suy hao, l\u1ed7i ho\u1eb7c m\u1ea5t li\u00ean k\u1ebft. C\u00e1c nh\u00e0 thi\u1ebft k\u1ebf m\u1ea1ng c\u0169ng n\u00ean c\u00e2n nh\u1eafc c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1p, lo\u1ea1i \u0111\u1ea7u n\u1ed1i v\u00e0 c\u1ea5u tr\u00fac m\u1ea1ng nh\u1eb1m \u0111\u1ea1t hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705\u00a0C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t khi tri\u1ec3n khai v\u00e0 l\u1eafp \u0111\u1eb7t m\u00f4-\u0111un SFP SX 1G<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tri\u1ec3n khai \u0111\u00fang c\u00e1ch c\u00e1c m\u00f4-\u0111un SFP SX 1G l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c li\u00ean k\u1ebft quang \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u n\u0103ng cao. D\u00f9 c\u00e1c m\u00f4-\u0111un n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn v\u00e0 h\u1ed7 tr\u1ee3 thay th\u1ebf n\u00f3ng (hot-swappable), nh\u01b0ng vi\u1ec7c l\u1eafp \u0111\u1eb7t sai ho\u1eb7c b\u1ecf qua c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t li\u00ean k\u1ebft, suy gi\u1ea3m th\u00f4ng l\u01b0\u1ee3ng ho\u1eb7c l\u1ed7i thi\u1ebft b\u1ecb. B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp, k\u1ef9 s\u01b0 m\u1ea1ng c\u00f3 th\u1ec3 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u n\u0103ng v\u00e0 gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c m\u1ea1ng LAN doanh nghi\u1ec7p v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u.<\/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\/316de3dbff5849e7a46ad054046134d9.jpg\" alt=\"1G SX SFP Deployment and Installation Best Practices\" class=\"wp-image-2996\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/316de3dbff5849e7a46ad054046134d9.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/316de3dbff5849e7a46ad054046134d9-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/316de3dbff5849e7a46ad054046134d9-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/316de3dbff5849e7a46ad054046134d9-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/316de3dbff5849e7a46ad054046134d9-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1ch l\u1eafp \u0111\u1eb7t m\u00f4-\u0111un SX SFP v\u00e0o b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1eafp \u0111\u1eb7t m\u1ed9t m\u00f4-\u0111un SFP SX 1G kh\u00e1 \u0111\u01a1n gi\u1ea3n nh\u01b0ng \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00fa \u00fd c\u1ea9n th\u1eadn \u0111\u1ebfn t\u1eebng chi ti\u1ebft. Tr\u01b0\u1edbc ti\u00ean, h\u00e3y \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 m\u00f4-\u0111un SFP SX v\u00e0 m\u00f4-\u0111un \u0111\u00f3 ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i c\u00e1p quang d\u1ef1 \u0111\u1ecbnh (MMF) c\u0169ng nh\u01b0 b\u01b0\u1edbc s\u00f3ng (850\u202fnm). Nh\u1eb9 nh\u00e0ng \u0111\u01b0a m\u00f4-\u0111un v\u00e0o c\u1ed5ng SFP cho \u0111\u1ebfn khi nghe ti\u1ebfng \u201cclick\u201d, \u0111\u1ea3m b\u1ea3o m\u00f4-\u0111un \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1ea7y \u0111\u1ee7. Sau khi l\u1eafp xong, k\u1ebft n\u1ed1i c\u00e1p n\u1ed1i quang \u0111a mode, duy tr\u00ec c\u1ef1c t\u00ednh \u0111\u00fang v\u00e0 tr\u00e1nh u\u1ed1n cong qu\u00e1 m\u1ee9c. Lu\u00f4n ki\u1ec3m tra \u0111\u00e8n b\u00e1o li\u00ean k\u1ebft ho\u1eb7c ch\u1ec9 b\u00e1o tr\u00ean thi\u1ebft b\u1ecb \u0111\u1ec3 x\u00e1c nh\u1eadn k\u1ebft n\u1ed1i th\u00e0nh c\u00f4ng. Vi\u1ec7c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch v\u00e0 l\u1eafp \u0111\u1eb7t ch\u00ednh x\u00e1c l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 ng\u0103n ng\u1eeba h\u01b0 h\u1ea1i v\u1eadt l\u00fd v\u00e0 duy tr\u00ec hi\u1ec7u n\u0103ng 1\u202fGbps t\u1ed1i \u01b0u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00f3a nh\u00e0 cung c\u1ea5p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 nhi\u1ec1u m\u00f4-\u0111un SFP SX \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u nh\u00e0 cung c\u1ea5p, m\u1ed9t s\u1ed1 b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u00e1p d\u1ee5ng <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/how-eeprom-powers-sfp-and-qsfp-optical-modules\/\">B\u1ed9 nh\u1edb EEPROM<\/a> ki\u1ec3m tra ho\u1eb7c x\u00e1c th\u1ef1c \u0111\u1eb7c th\u00f9 theo nh\u00e0 cung c\u1ea5p, c\u00f3 th\u1ec3 ng\u0103n c\u00e1c m\u00f4-\u0111un b\u00ean th\u1ee9 ba ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch. \u0110\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng kh\u00f3a nh\u00e0 cung c\u1ea5p ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch b\u1ea5t ng\u1edd, h\u00e3y xem l\u1ea1i danh s\u00e1ch t\u01b0\u01a1ng th\u00edch thi\u1ebft b\u1ecb, x\u00e1c minh phi\u00ean b\u1ea3n firmware v\u00e0 l\u1ef1a ch\u1ecdn c\u00e1c m\u00f4-\u0111un \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u1edbi thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n. Vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c b\u01b0\u1edbc n\u00e0y gi\u00fap gi\u1ea3m r\u1ee7i ro m\u1ea5t li\u00ean k\u1ebft ho\u1eb7c m\u1ea5t \u1ed5n \u0111\u1ecbnh v\u1eadn h\u00e0nh, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng m\u1ea1ng d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c m\u1eb9o tri\u1ec3n khai th\u1ef1c t\u1ebf t\u1eeb c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng gi\u00e0u kinh nghi\u1ec7m \u0111\u1ec1 xu\u1ea5t m\u1ed9t s\u1ed1 m\u1eb9o th\u1ef1c ti\u1ec5n khi tri\u1ec3n khai m\u00f4-\u0111un SFP SX:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Lu\u00f4n l\u00e0m s\u1ea1ch <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/pc-vs-upc-vs-apc-fiber-connector-comparison-guide\/\" target=\"_blank\" rel=\"\">c\u00e1p quang<\/a> tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t \u0111\u1ec3 ng\u0103n suy hao t\u00edn hi\u1ec7u.<\/p><\/li>\n\n\n\n<li><p>Tr\u00e1nh u\u1ed1n cong c\u00e1p qu\u00e1 ch\u1eb7t ho\u1eb7c k\u00e9o c\u0103ng qu\u00e1 m\u1ee9c, v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m suy gi\u1ea3m hi\u1ec7u n\u0103ng quang h\u1ecdc.<\/p><\/li>\n\n\n\n<li><p>Ki\u1ec3m tra t\u1eebng li\u00ean k\u1ebft sau khi l\u1eafp \u0111\u1eb7t b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 ch\u1ea9n \u0111o\u00e1n m\u1ea1ng \u0111\u1ec3 x\u00e1c minh th\u00f4ng l\u01b0\u1ee3ng v\u00e0 t\u1ef7 l\u1ec7 l\u1ed7i.<\/p><\/li>\n\n\n\n<li><p>G\u1eafn nh\u00e3n r\u00f5 r\u00e0ng cho c\u00e1p quang v\u00e0 m\u00f4-\u0111un nh\u1eb1m \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 b\u1ea3o tr\u00ec trong t\u01b0\u01a1ng lai.<\/p><\/li>\n\n\n\n<li><p>C\u00e2n nh\u1eafc c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb, v\u1ed1n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c li\u00ean k\u1ebft \u0111a mode kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p c\u00e1c k\u1ef9 thu\u1eadt l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch, x\u00e1c minh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 r\u00fat ra b\u00e0i h\u1ecdc t\u1eeb c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf, c\u00e1c chuy\u00ean gia m\u1ea1ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c m\u00f4-\u0111un SFP SX 1G ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, cung c\u1ea5p k\u1ebft n\u1ed1i 1\u202fGbps nh\u1ea5t qu\u00e1n tr\u00ean c\u00e1c m\u1ea1ng khu\u00f4n vi\u00ean v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705\u00a0X\u1eed l\u00fd s\u1ef1 c\u1ed1 v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t cho m\u00f4-\u0111un SX SFP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 khi c\u00e1c m\u00f4-\u0111un SX SFP 1G \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch, k\u1ef9 s\u01b0 m\u1ea1ng v\u1eabn c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t ho\u1eb7c l\u1ed7i li\u00ean k\u1ebft m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn v\u00e0 \u00e1p d\u1ee5ng c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t cho <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-troubleshooting-quick-checklist\/\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/a> v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00f3 th\u1ec3 gi\u00fap duy tr\u00ec k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 1\u202fGbps v\u00e0 ng\u0103n ng\u1eeba th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1n k\u00e9m. Ph\u1ea7n n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn th\u1ef1c t\u1ebf \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1, t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1p quang \u0111a mode v\u00e0 t\u1eadn d\u1ee5ng nh\u1eefng b\u00e0i h\u1ecdc kinh nghi\u1ec7m t\u1eeb c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7649a3dec4bc43f080bf2f11c67283fb.jpg\" alt=\"SX SFP Troubleshooting and Performance Optimization\" class=\"wp-image-2997\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7649a3dec4bc43f080bf2f11c67283fb.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7649a3dec4bc43f080bf2f11c67283fb-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7649a3dec4bc43f080bf2f11c67283fb-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7649a3dec4bc43f080bf2f11c67283fb-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7649a3dec4bc43f080bf2f11c67283fb-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ea9n \u0111o\u00e1n l\u1ed7i li\u00ean k\u1ebft tr\u00ean c\u00e1c m\u00f4-\u0111un SX SFP<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ed7i li\u00ean k\u1ebft v\u1edbi c\u00e1c m\u00f4-\u0111un SX SFP th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb vi\u1ec7c kh\u00f4ng kh\u1edbp c\u00e1p quang, l\u1eafp sai v\u1ecb tr\u00ed ho\u1eb7c \u0111\u1ea7u n\u1ed1i b\u1ecb nhi\u1ec5m b\u1ea9n. \u0110\u1ec3 ch\u1ea9n \u0111o\u00e1n l\u1ed7i:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>X\u00e1c minh <a href=\"https:\/\/www.l-p.com\/blog\/types-of-sfp-modules-1g-10g-and-25g-network-guide.htm\" target=\"_blank\" rel=\"\">lo\u1ea1i m\u00f4-\u0111un SFP<\/a>, lo\u1ea1i c\u00e1p quang (MMF) v\u00e0 b\u01b0\u1edbc s\u00f3ng (850\u202fnm) ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf m\u1ea1ng.<\/p><\/li>\n\n\n\n<li><p>Ki\u1ec3m tra \u0111\u1ea7u n\u1ed1i c\u00e1p quang \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ee5i, b\u1ea9n ho\u1eb7c v\u1ebft x\u01b0\u1edbc, sau \u0111\u00f3 l\u00e0m s\u1ea1ch b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 l\u00e0m s\u1ea1ch c\u00e1p quang chuy\u00ean d\u1ee5ng.<\/p><\/li>\n\n\n\n<li><p>X\u00e1c nh\u1eadn m\u00f4-\u0111un SFP \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eafm ch\u1eb7t v\u00e0o c\u1ed5ng switch ho\u1eb7c router v\u00e0 \u0111\u00e8n b\u00e1o li\u00ean k\u1ebft \u0111ang s\u00e1ng \u0111\u1ec3 ch\u1ec9 tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng.<\/p><\/li>\n\n\n\n<li><p>Ki\u1ec3m tra li\u00ean k\u1ebft c\u00e1p quang b\u1eb1ng ngu\u1ed3n s\u00e1ng ho\u1eb7c m\u00e1y \u0111o c\u00f4ng su\u1ea5t quang \u0111\u1ec3 ph\u00e1t hi\u1ec7n suy hao t\u00edn hi\u1ec7u ho\u1eb7c suy gi\u1ea3m.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ch\u1ea9n \u0111o\u00e1n \u0111\u00fang c\u00e1ch \u0111\u1ea3m b\u1ea3o c\u00e1c s\u1ef1 c\u1ed1 \u1edf t\u1ea7ng v\u1eadt l\u00fd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh nhanh ch\u00f3ng, gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 tr\u00e1nh di\u1ec5n gi\u1ea3i sai c\u00e1c s\u1ef1 c\u1ed1 m\u1ea1ng \u1edf c\u00e1c t\u1ea7ng cao h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1p quang \u0111a mode nh\u1eb1m \u0111\u1ea1t hi\u1ec7u su\u1ea5t t\u1ed1i \u0111a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1p quang \u0111a mode \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t \u0111\u1ed1i v\u1edbi hi\u1ec7u su\u1ea5t c\u1ee7a m\u00f4-\u0111un SX SFP. C\u00e1c m\u1eb9o t\u1ed1i \u01b0u h\u00f3a quan tr\u1ecdng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1eed d\u1ee5ng c\u00e1p quang OM3 ho\u1eb7c OM4 cho c\u00e1c kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n trong ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00f4-\u0111un SX SFP.<\/p><\/li>\n\n\n\n<li><p>Tr\u00e1nh u\u1ed1n cong qu\u00e1 m\u1ee9c v\u00e0 k\u00e9o c\u0103ng c\u00e1p qu\u00e1 m\u1ea1nh v\u00ec c\u00f3 th\u1ec3 g\u00e2y suy hao ho\u1eb7c t\u00e1n s\u1eafc mode.<\/p><\/li>\n\n\n\n<li><p>Duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n v\u1ec1 c\u1ef1c t\u00ednh v\u00e0 d\u00e1n nh\u00e3n r\u00f5 r\u00e0ng \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho vi\u1ec7c x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/p><\/li>\n\n\n\n<li><p>\u00c1p d\u1ee5ng qu\u1ea3n l\u00fd c\u00e1p c\u00f3 c\u1ea5u tr\u00fac nh\u1eb1m gi\u1ea3m thi\u1ec3u nhi\u1ec5u v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c n\u00e2ng c\u1ea5p trong t\u01b0\u01a1ng lai.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t trong l\u1eafp \u0111\u1eb7t n\u00e0y, k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 b\u0103ng th\u00f4ng cao tr\u00ean to\u00e0n b\u1ed9 m\u1ea1ng n\u1ed9i b\u1ed9 ho\u1eb7c trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1eb9o t\u1eeb kinh nghi\u1ec7m th\u1ef1c t\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn tr\u00ean di\u1ec5n \u0111\u00e0n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c c\u1ed9ng \u0111\u1ed3ng m\u1ea1ng nh\u01b0 Reddit, di\u1ec5n \u0111\u00e0n Cisco v\u00e0 c\u00e1c nh\u00f3m chuy\u00ean v\u1ec1 quang s\u1ee3i cung c\u1ea5p nh\u1eefng th\u00f4ng tin qu\u00fd gi\u00e1 t\u1eeb c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e3 tri\u1ec3n khai m\u00f4-\u0111un SX SFP trong c\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng b\u00e1o c\u00e1o c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch v\u1edbi <a href=\"https:\/\/www.l-p.com\/products\/478232.htm\" target=\"_self\">SFP c\u1ee7a b\u00ean th\u1ee9 ba<\/a> m\u00f4-\u0111un, nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m tra danh s\u00e1ch t\u01b0\u01a1ng th\u00edch nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p><\/li>\n\n\n\n<li><p>Nhi\u1ec1u b\u00e0i \u0111\u0103ng nh\u1ea5n m\u1ea1nh r\u1eb1ng b\u1ee5i v\u00e0 nhi\u1ec5m b\u1ea9n \u0111\u1ea7u n\u1ed1i l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t k\u1ebft n\u1ed1i ng\u1eaft qu\u00e3ng.<\/p><\/li>\n\n\n\n<li><p>C\u00e1c k\u1ef9 s\u01b0 gi\u00e0u kinh nghi\u1ec7m khuy\u1ebfn ngh\u1ecb ki\u1ec3m tra t\u1eebng m\u00f4-\u0111un v\u00e0 li\u00ean k\u1ebft c\u00e1p quang tr\u01b0\u1edbc khi tri\u1ec3n khai ch\u00ednh th\u1ee9c \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c s\u1ef1 c\u1ed1 v\u00e0 tr\u00e1nh th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ng.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c t\u00edch h\u1ee3p c\u00e1c b\u00e0i h\u1ecdc kinh nghi\u1ec7m th\u1ef1c t\u1ebf n\u00e0y, k\u1ebft h\u1ee3p v\u1edbi c\u00e1c th\u1ef1c h\u00e0nh l\u1eafp \u0111\u1eb7t v\u00e0 ch\u1ea9n \u0111o\u00e1n \u0111\u00fang c\u00e1ch, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c m\u00f4-\u0111un SX SFP 1G mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u, h\u1ed7 tr\u1ee3 c\u00e1c m\u1ea1ng quang ng\u1eafn kho\u1ea3ng c\u00e1ch \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705\u00a0L\u1ef1a ch\u1ecdn m\u00f4-\u0111un SX SFP 1G ph\u00f9 h\u1ee3p cho m\u1ea1ng c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00f4-\u0111un SX SFP 1G th\u00edch h\u1ee3p l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 1\u202fGbps v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i c\u1ee7a m\u1ea1ng. V\u1edbi nhi\u1ec1u lo\u1ea1i m\u00f4-\u0111un, c\u1ea5p \u0111\u1ed9 c\u00e1p quang v\u00e0 t\u00f9y ch\u1ecdn nh\u00e0 cung c\u1ea5p s\u1eb5n c\u00f3, k\u1ef9 s\u01b0 c\u1ea7n c\u00e2n nh\u1eafc m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho y\u00eau c\u1ea7u m\u1ea1ng c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh.<\/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\/6832902cd94e4550a41e3f084fa6813f.jpg\" alt=\"Choosing the Right 1G SX SFP Module for Your Network\" class=\"wp-image-2998\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6832902cd94e4550a41e3f084fa6813f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6832902cd94e4550a41e3f084fa6813f-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6832902cd94e4550a41e3f084fa6813f-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6832902cd94e4550a41e3f084fa6813f-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/6832902cd94e4550a41e3f084fa6813f-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t (kho\u1ea3ng c\u00e1ch, lo\u1ea1i c\u00e1p quang, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch nh\u00e0 cung c\u1ea5p)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi l\u1ef1a ch\u1ecdn m\u00f4-\u0111un SX SFP, c\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Kho\u1ea3ng c\u00e1ch truy\u1ec1n d\u1eabn<\/strong>: C\u00e1c m\u00f4-\u0111un SX SFP \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c li\u00ean k\u1ebft ng\u1eafn, th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 220 \u0111\u1ebfn 550 m\u00e9t, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i c\u00e1p quang \u0111a mode \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng (OM1\u2013OM4). Vi\u1ec7c t\u00ednh to\u00e1n kho\u1ea3ng c\u00e1ch ch\u00ednh x\u00e1c gi\u00fap ng\u0103n ng\u1eeba suy gi\u1ea3m t\u00edn hi\u1ec7u.<\/p><\/li>\n\n\n\n<li><p><strong>Lo\u1ea1i s\u1ee3i<\/strong>: \u0110\u1ea3m b\u1ea3o m\u00f4-\u0111un <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-wavelengths-850nm-1310nm-1550nm-guide\/\" target=\"_blank\" rel=\"\"><strong>b\u01b0\u1edbc s\u00f3ng 850\u202fnm<\/strong><\/a> t\u01b0\u01a1ng th\u00edch v\u1edbi lo\u1ea1i c\u00e1p quang \u0111a mode \u0111ang tri\u1ec3n khai, \u0111\u1ed3ng th\u1eddi ch\u1ecdn c\u00e1p quang OM3 ho\u1eb7c OM4 \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao h\u01a1n ho\u1eb7c m\u1edf r\u1ed9ng kho\u1ea3ng c\u00e1ch li\u00ean k\u1ebft ng\u1eafn.<\/p><\/li>\n\n\n\n<li><p><strong>T\u01b0\u01a1ng th\u00edch nh\u00e0 s\u1ea3n xu\u1ea5t<\/strong>: M\u1ed9t s\u1ed1 switch ho\u1eb7c router c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ki\u1ec3m tra EEPROM ho\u1eb7c \u00e1p d\u1ee5ng h\u1ea1n ch\u1ebf ph\u1ea7n m\u1ec1m\u56fa\u4ef6 khi\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng m\u00f4-\u0111un SFP c\u1ee7a b\u00ean th\u1ee9 ba b\u1ecb gi\u1edbi h\u1ea1n. Lu\u00f4n ki\u1ec3m tra danh s\u00e1ch t\u01b0\u01a1ng th\u00edch v\u00e0 x\u00e1c nh\u1eadn m\u00f4-\u0111un ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u1edbi ph\u1ea7n c\u1ee9ng c\u1ee7a b\u1ea1n \u0111\u1ec3 tr\u00e1nh l\u1ed7i li\u00ean k\u1ebft ho\u1eb7c s\u1ef1 c\u1ed1 v\u1eadn h\u00e0nh.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c m\u00f4-\u0111un \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb v\u00e0 l\u1ef1a ch\u1ecdn gi\u1eefa m\u00f4-\u0111un OEM so v\u1edbi m\u00f4-\u0111un c\u1ee7a b\u00ean th\u1ee9 ba<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 m\u00f4-\u0111un OEM v\u00e0 m\u00f4-\u0111un SX SFP c\u1ee7a b\u00ean th\u1ee9 ba \u0111\u1ec1u c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady, nh\u01b0ng c\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc kh\u00e1c nhau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/482147.htm\" target=\"_self\"><strong>M\u00f4-\u0111un OEM<\/strong><\/a>: Th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u1edbi thi\u1ebft b\u1ecb c\u1ee7a nh\u00e0 cung c\u1ea5p v\u00e0 c\u00f3 th\u1ec3 \u0111i k\u00e8m h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7, b\u1ea3o h\u00e0nh v\u00e0 t\u01b0\u01a1ng th\u00edch ph\u1ea7n m\u1ec1m\u56fa\u4ef6.<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476091.htm\" target=\"_self\"><strong>M\u00f4-\u0111un c\u1ee7a b\u00ean th\u1ee9 ba<\/strong><\/a>: Th\u01b0\u1eddng ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n, d\u1ec5 t\u00ecm mua v\u00e0 ho\u00e0n to\u00e0n tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n 1000BASE-SX, nh\u01b0ng c\u00f3 th\u1ec3 y\u00eau c\u1ea7u ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi nh\u00e0 cung c\u1ea5p thi\u1ebft b\u1ecb.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa m\u00f4-\u0111un OEM v\u00e0 m\u00f4-\u0111un c\u1ee7a b\u00ean th\u1ee9 ba ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng c\u1ee7a m\u1ea1ng, ch\u00ednh s\u00e1ch nh\u00e0 cung c\u1ea5p v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c v\u1ec1 ng\u00e2n s\u00e1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u00e1nh \u0111\u1ed5i chi ph\u00ed so v\u1edbi hi\u1ec7u n\u0103ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c chuy\u00ean gia m\u1ea1ng n\u00ean c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed, hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady khi l\u1ef1a ch\u1ecdn m\u00f4-\u0111un SX SFP:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c m\u00f4-\u0111un OEM cao c\u1ea5p c\u00f3 th\u1ec3 cung c\u1ea5p <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/interoperability-in-networking-meaning-standards-connectivity\/\" target=\"_blank\" rel=\"\">kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c<\/a> b\u1ea3o \u0111\u1ea3m t\u1ed1t h\u01a1n v\u00e0 th\u1eddi h\u1ea1n b\u1ea3o h\u00e0nh d\u00e0i h\u01a1n.<\/p><\/li>\n\n\n\n<li><p>C\u00e1c m\u00f4-\u0111un c\u1ee7a b\u00ean th\u1ee9 ba c\u00f3 chi ph\u00ed ban \u0111\u1ea7u th\u1ea5p h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng h\u01a1n tr\u01b0\u1edbc khi tri\u1ec3n khai \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh.<\/p><\/li>\n\n\n\n<li><p>Trong h\u1ea7u h\u1ebft c\u00e1c t\u00ecnh hu\u1ed1ng LAN doanh nghi\u1ec7p, c\u00e1c m\u00f4-\u0111un c\u1ee7a b\u00ean th\u1ee9 ba \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u00fang c\u00e1ch s\u1ebd mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n, \u0111\u1eb7c bi\u1ec7t khi s\u1eed d\u1ee5ng trong c\u00e1c li\u00ean k\u1ebft c\u00e1p quang \u0111a mode ng\u1eafn.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch \u0111\u00e1nh gi\u00e1 c\u1ea9n th\u1eadn c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y, k\u1ef9 s\u01b0 m\u1ea1ng c\u00f3 th\u1ec3 t\u1ef1 tin l\u1ef1a ch\u1ecdn module SFP 1G SX ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u n\u0103ng, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a m\u1ea1ng, \u0111\u1ea3m b\u1ea3o c\u00e1c k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ed1c \u0111\u1ed9 cao tr\u00ean c\u00e1c m\u1ea1ng quang t\u1ea7m ng\u1eafn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705\u00a0C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ) ph\u1ed5 bi\u1ebfn v\u1ec1 module SFP 1G SX<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng, chuy\u00ean gia CNTT v\u00e0 ng\u01b0\u1eddi d\u00f9ng doanh nghi\u1ec7p th\u01b0\u1eddng \u0111\u1eb7t ra nh\u1eefng c\u00e2u h\u1ecfi t\u01b0\u01a1ng t\u1ef1 khi l\u00e0m vi\u1ec7c v\u1edbi module SFP 1G SX. Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p n\u00e0y gi\u1ea3i \u0111\u00e1p v\u1ec1 \u0111\u1ecbnh ngh\u0129a module, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 th\u00f4ng tin tri\u1ec3n khai th\u1ef1c t\u1ebf, gi\u00fap ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t. C\u00e1c th\u00f4ng tin \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p t\u1eeb Reddit, c\u00e1c di\u1ec5n \u0111\u00e0n Cisco v\u00e0 c\u00e1c c\u1ed9ng \u0111\u1ed3ng chuy\u00ean gia m\u1ea1ng kh\u00e1c nh\u1eb1m cung c\u1ea5p h\u01b0\u1edbng d\u1eabn th\u1ef1c ti\u1ec5n song song v\u1edbi c\u00e1c \u0111\u1ecbnh ngh\u0129a k\u1ef9 thu\u1eadt.<\/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\/7ffe41d6be0f419aa39475f969d45ea6.jpg\" alt=\"Common FAQs About 1G SX SFP Module\" class=\"wp-image-2999\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7ffe41d6be0f419aa39475f969d45ea6.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7ffe41d6be0f419aa39475f969d45ea6-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7ffe41d6be0f419aa39475f969d45ea6-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7ffe41d6be0f419aa39475f969d45ea6-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7ffe41d6be0f419aa39475f969d45ea6-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 1: \u201cSX\u201d tr\u00ean SFP l\u00e0 g\u00ec? \/ \u201cSX\u201d tr\u00ean SFP c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Thu\u1eadt ng\u1eef \u201cSX\u201d trong module SFP vi\u1ebft t\u1eaft c\u1ee7a \u201cShort Wavelength\u201d (b\u01b0\u1edbc s\u00f3ng ng\u1eafn). C\u00e1c module SFP SX s\u1eed d\u1ee5ng \u00e1nh s\u00e1ng b\u01b0\u1edbc s\u00f3ng 850\u202fnm \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u t\u1ea7m ng\u1eafn tr\u00ean c\u00e1p s\u1ee3i quang \u0111a mode (MMF). Ng\u01b0\u1eddi d\u00f9ng tr\u00ean Reddit v\u00e0 c\u00e1c di\u1ec5n \u0111\u00e0n m\u1ea1ng th\u01b0\u1eddng th\u1eafc m\u1eafc li\u1ec7u module SX c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n hay kh\u00f4ng; \u00fd ki\u1ebfn chung l\u00e0 ch\u00fang ch\u1ec9 d\u00e0nh ri\u00eang cho k\u1ebft n\u1ed1i t\u1ea7m ng\u1eafn, th\u01b0\u1eddng d\u01b0\u1edbi 550 m\u00e9t, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i s\u1ee3i quang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 2: SX v\u00e0 LX l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Module SFP SX v\u00e0 LX \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t b\u1edfi b\u01b0\u1edbc s\u00f3ng ho\u1ea1t \u0111\u1ed9ng v\u00e0 lo\u1ea1i s\u1ee3i quang s\u1eed d\u1ee5ng. Module SX ho\u1ea1t \u0111\u1ed9ng \u1edf b\u01b0\u1edbc s\u00f3ng 850\u202fnm tr\u00ean s\u1ee3i quang \u0111a mode (MMF) cho kho\u1ea3ng c\u00e1ch ng\u1eafn, trong khi module LX s\u1eed d\u1ee5ng b\u01b0\u1edbc s\u00f3ng 1310\u202fnm tr\u00ean s\u1ee3i quang \u0111\u01a1n mode (SMF) cho c\u00e1c li\u00ean k\u1ebft kho\u1ea3ng c\u00e1ch xa (l\u00ean \u0111\u1ebfn 10 km ho\u1eb7c h\u01a1n). C\u00e1c k\u1ef9 s\u01b0 th\u1ef1c t\u1ebf nh\u1ea5n m\u1ea1nh vi\u1ec7c x\u00e1c minh k\u1ef9 lo\u1ea1i s\u1ee3i quang v\u00e0 y\u00eau c\u1ea7u kho\u1ea3ng c\u00e1ch tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t \u0111\u1ec3 tr\u00e1nh m\u1ea5t k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 3: SX l\u00e0 \u0111\u01a1n mode hay \u0111a mode?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Module SFP SX \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ed9c quy\u1ec1n cho s\u1ee3i quang \u0111a mode (MMF). S\u1ee3i quang \u0111\u01a1n mode (SMF) y\u00eau c\u1ea7u c\u00e1c module SFP \u0111\u01a1n mode nh\u01b0 LX, ZX ho\u1eb7c c\u00e1c lo\u1ea1i kh\u00e1c. C\u00e1c th\u1ea3o lu\u1eadn tr\u00ean di\u1ec5n \u0111\u00e0n th\u01b0\u1eddng n\u00eau b\u1eadt c\u00e1c s\u1ef1 c\u1ed1 x\u1ea3y ra khi ng\u01b0\u1eddi d\u00f9ng v\u00f4 t\u00ecnh k\u1ebft n\u1ed1i module SX v\u1edbi SMF, d\u1eabn \u0111\u1ebfn <strong>m\u1ea5t k\u1ebft n\u1ed1i ho\u1eb7c l\u1ed7i quang h\u1ecdc<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 4: \u201c1G SFP\u201d c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\">SFP 1G<\/a> \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t module d\u1ea1ng nh\u1ecf c\u00f3 th\u1ec3 c\u1eafm r\u1eddi (small form-factor pluggable) c\u00f3 kh\u1ea3 n\u0103ng <strong>1<\/strong>\u202fTruy\u1ec1n d\u1eef li\u1ec7u Gbps (1000BASE). Trong tr\u01b0\u1eddng h\u1ee3p c\u00e1c m\u00f4-\u0111un SFP SX, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 truy\u1ec1n 1\u202fGbps t\u1ea7m ng\u1eafn qua c\u00e1p quang \u0111a mode. S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec m\u1ed9t s\u1ed1 m\u00f4-\u0111un SFP, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t s\u1ed1 m\u00f4-\u0111un GLC-SX-MMD nh\u1ea5t \u0111\u1ecbnh, ch\u1ec9 h\u1ed7 tr\u1ee3 1G ch\u1ee9 kh\u00f4ng h\u1ed7 tr\u1ee3 10G.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 5: M\u00f4-\u0111un GLC-SX-MMD l\u00e0 1G hay 10G?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4-\u0111un GLC-SX-MMD l\u00e0 m\u00f4-\u0111un SFP SX 1G, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c k\u1ebft n\u1ed1i c\u00e1p quang \u0111a mode 1000BASE-SX. M\u00f4-\u0111un n\u00e0y kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 10\u202fGbps, tr\u00e1i ng\u01b0\u1ee3c v\u1edbi c\u00e1c m\u00f4-\u0111un SFP+ \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ea1ng 10G. C\u00e1c ch\u1ee7 \u0111\u1ec1 tr\u00ean Reddit v\u00e0 c\u00e1c di\u1ec5n \u0111\u00e0n chuy\u00ean nghi\u1ec7p x\u00e1c nh\u1eadn r\u1eb1ng vi\u1ec7c c\u1ed1 g\u1eafng s\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un 1G tr\u00ean c\u1ed5ng 10G s\u1ebd ho\u1eb7c l\u00e0 th\u1ea5t b\u1ea1i ho\u00e0n to\u00e0n, ho\u1eb7c t\u1ef1 \u0111\u1ed9ng th\u01b0\u01a1ng l\u01b0\u1ee3ng xu\u1ed1ng 1G n\u1ebfu c\u1ed5ng h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 6: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u00f4-\u0111un SFP SX v\u00e0 SR l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 c\u1ea3 hai lo\u1ea1i m\u00f4-\u0111un SFP SX v\u00e0 SR \u0111\u1ec1u h\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eef li\u1ec7u t\u1ea7m ng\u1eafn, SX c\u1ee5 th\u1ec3 l\u00e0 chu\u1ea9n 1000BASE-SX \u1edf b\u01b0\u1edbc s\u00f3ng 850\u202fnm, trong khi SR c\u00f3 th\u1ec3 \u00e1m ch\u1ec9 c\u00e1c m\u00f4-\u0111un 10GBASE-SR ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00f9ng b\u01b0\u1edbc s\u00f3ng nh\u01b0ng h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 10\u202fGbps. Ng\u01b0\u1eddi d\u00f9ng trong c\u00e1c th\u1ea3o lu\u1eadn c\u1ed9ng \u0111\u1ed3ng nh\u1ea5n m\u1ea1nh vi\u1ec7c ki\u1ec3m tra c\u1ea3 t\u1ed1c \u0111\u1ed9 v\u00e0 kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 7: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u00f4-\u0111un SFP FX v\u00e0 SX l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477630.htm\">M\u00f4-\u0111un FX<\/a> s\u1eed d\u1ee5ng b\u01b0\u1edbc s\u00f3ng 1310\u202fnm tr\u00ean c\u00e1p quang \u0111a mode v\u00e0 t\u1eebng ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u1ea1ng Fast Ethernet c\u0169 (100\u202fMbps). Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c m\u00f4-\u0111un SFP SX h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 1\u202fGbps (1000BASE-SX) tr\u00ean c\u00e1p quang \u0111a mode \u1edf b\u01b0\u1edbc s\u00f3ng 850\u202fnm. C\u00e1c k\u1ef9 s\u01b0 l\u01b0u \u00fd r\u1eb1ng chu\u1ea9n FX hi\u1ec7n g\u1ea7n nh\u01b0 l\u1ed7i th\u1eddi, c\u00f2n SX \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c tri\u1ec3n khai 1G hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 8: M\u00f4-\u0111un SFP SX c\u00f3 th\u1ec3 ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 100Mbps kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c m\u00f4-\u0111un SFP SX 1G kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 100\u202fMbps. M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 switch c\u00f3 th\u1ec3 c\u1ed1 g\u1eafng t\u1ef1 \u0111\u1ed9ng th\u01b0\u01a1ng l\u01b0\u1ee3ng, c\u00e1c m\u00f4-\u0111un SX \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho t\u1ed1c \u0111\u1ed9 1\u202fGbps, v\u00e0 vi\u1ec7c ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p h\u01a1n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t \u1ed5n \u0111\u1ecbnh li\u00ean k\u1ebft ho\u1eb7c th\u1ea5t b\u1ea1i ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 9: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c m\u00f4-\u0111un SFP SX, SR v\u00e0 FX<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SX<\/strong>: 1G, 850\u202fnm, c\u00e1p quang \u0111a mode, t\u1ea7m ng\u1eafn (220\u2013550 m)<\/p><\/li>\n\n\n\n<li><p><strong>SR<\/strong>: 10G, 850\u202fnm, c\u00e1p quang \u0111a mode, t\u1ea7m ng\u1eafn (t\u1ed1i \u0111a 300 m \u0111\u1ed1i v\u1edbi OM3\/OM4)<\/p><\/li>\n\n\n\n<li><p><strong>FX<\/strong>: 100\u202fMbps, 1310\u202fnm, c\u00e1p quang \u0111a mode, chu\u1ea9n Fast Ethernet c\u0169<br>B\u1ea3ng n\u00e0y gi\u00fap k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn \u0111\u00fang m\u00f4-\u0111un ph\u00f9 h\u1ee3p v\u1edbi c\u1ea3 y\u00eau c\u1ea7u v\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 kho\u1ea3ng c\u00e1ch.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u h\u1ecfi 10: C\u00e1ch nh\u1eadn di\u1ec7n c\u00e1c m\u1eabu m\u00f4-\u0111un SFP SX 1G (GLC-SX-MMD, v.v.)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c nh\u1eadn di\u1ec7n bao g\u1ed3m ki\u1ec3m tra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>S\u1ed1 hi\u1ec7u m\u00f4-\u0111un<\/strong> in tr\u00ean m\u00f4-\u0111un (v\u00ed d\u1ee5: GLC-SX-MMD, GLC-SX-MM)<\/p><\/li>\n\n\n\n<li><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u<br><\/strong> (1G cho SX, 10G cho SFP+)<\/p><\/li>\n\n\n\n<li><p><strong>B\u01b0\u1edbc s\u00f3ng<br><\/strong> (850\u202fnm cho SX, 1310\u202fnm cho LX\/FX)<\/p><\/li>\n\n\n\n<li><p><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi lo\u1ea1i s\u1ee3i quang<\/strong> (s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 cho SX)<br>C\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn trong c\u1ed9ng \u0111\u1ed3ng khuy\u1ebfn ngh\u1ecb x\u00e1c minh t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a nh\u00e0 cung c\u1ea5p v\u00e0 ki\u1ec3m tra ch\u00e9o m\u00f4-\u0111un v\u1edbi danh s\u00e1ch h\u1ed7 tr\u1ee3 thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u2705\u00a0T\u00f3m t\u1eaft m\u00f4-\u0111un SFP SX 1G<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft th\u00fac h\u01b0\u1edbng d\u1eabn, ph\u1ea7n n\u00e0y n\u00eau b\u1eadt nh\u1eefng th\u00f4ng tin ch\u00ednh d\u00e0nh cho k\u1ef9 s\u01b0 m\u1ea1ng v\u00e0 cung c\u1ea5p c\u00e1c b\u01b0\u1edbc kh\u1ea3 thi \u0111\u1ec3 l\u1ef1a ch\u1ecdn, tri\u1ec3n khai v\u00e0 mua m\u00f4-\u0111un SFP SX 1G m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/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\/edda4fe9453640d9973df5bb393fbcd2.jpg\" alt=\"1G SX SFP Module \" class=\"wp-image-3000\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edda4fe9453640d9973df5bb393fbcd2.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edda4fe9453640d9973df5bb393fbcd2-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edda4fe9453640d9973df5bb393fbcd2-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edda4fe9453640d9973df5bb393fbcd2-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/edda4fe9453640d9973df5bb393fbcd2-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng \u0111i\u1ec3m n\u1ed5i b\u1eadt khi l\u1ef1a ch\u1ecdn m\u00f4-\u0111un SFP SX 1G<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Lo\u1ea1i m\u00f4-\u0111un<\/strong>: C\u00e1c m\u00f4-\u0111un SFP SX \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c k\u1ebft n\u1ed1i s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 t\u1ea7m ng\u1eafn t\u1ed1c \u0111\u1ed9 1\u202fGbps \u1edf b\u01b0\u1edbc s\u00f3ng 850\u202fnm.<\/p><\/li>\n\n\n\n<li><p><strong>Kho\u1ea3ng c\u00e1ch &amp; S\u1ee3i quang<\/strong>: Ph\u1ea1m vi k\u1ebft n\u1ed1i \u0111i\u1ec3n h\u00ecnh t\u1eeb 220\u202fm \u0111\u1ebfn 550\u202fm, t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i s\u1ee3i quang (OM1\u2013OM4).<\/p><\/li>\n\n\n\n<li><p><strong>T\u01b0\u01a1ng th\u00edch<\/strong>: Lu\u00f4n x\u00e1c minh h\u1ed7 tr\u1ee3 c\u1ee7a nh\u00e0 cung c\u1ea5p v\u00e0 t\u00ednh t\u01b0\u01a1ng th\u00edch firmware \u0111\u1ec3 tr\u00e1nh l\u1ed7i k\u1ebft n\u1ed1i ho\u1eb7c kh\u00f4ng kh\u1edbp EEPROM.<\/p><\/li>\n\n\n\n<li><p><strong>C\u00e1c th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t khi tri\u1ec3n khai<\/strong>: \u0110\u1ea3m b\u1ea3o \u0111\u1ea7u n\u1ed1i s\u1ea1ch, ph\u00e2n c\u1ef1c \u0111\u00fang v\u00e0 qu\u1ea3n l\u00fd c\u00e1p h\u1ee3p l\u00fd \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t quang \u1ed5n \u0111\u1ecbnh.<\/p><\/li>\n\n\n\n<li><p><strong>Th\u00f4ng tin th\u1ef1c t\u1ebf<\/strong>: C\u00e1c th\u1ea3o lu\u1eadn tr\u00ean di\u1ec5n \u0111\u00e0n v\u00e0 Reddit nh\u1ea5n m\u1ea1nh vi\u1ec7c ki\u1ec3m tra t\u1eebng k\u1ebft n\u1ed1i, x\u00e1c minh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u00f4-\u0111un v\u00e0 x\u00e1c nh\u1eadn y\u00eau c\u1ea7u kho\u1ea3ng c\u00e1ch.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch ghi nh\u1edb nh\u1eefng \u0111i\u1ec3m n\u00e0y, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 t\u1ef1 tin thi\u1ebft k\u1ebf v\u00e0 duy tr\u00ec c\u00e1c m\u1ea1ng SFP SX 1G \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Li\u00ean k\u1ebft \u0111\u1ebfn b\u1ea3ng d\u1eef li\u1ec7u v\u00e0 ma tr\u1eadn t\u01b0\u01a1ng th\u00edch SX 1G<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 tham kh\u1ea3o th\u00eam v\u00e0 \u0111\u1ea3m b\u1ea3o l\u1ef1a ch\u1ecdn \u0111\u00fang c\u00e1c module SFP SX, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 truy c\u1eadp:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>B\u1ea3ng d\u1eef li\u1ec7u s\u1ea3n ph\u1ea9m<\/strong> \u0111\u1ec3 bi\u1ebft th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chi ti\u1ebft<\/p><\/li>\n\n\n\n<li><p><strong>Ma tr\u1eadn t\u01b0\u01a1ng th\u00edch<\/strong> \u0111\u1ec3 x\u00e1c minh kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 c\u1ee7a thi\u1ebft b\u1ecb<\/p><\/li>\n\n\n\n<li><p><strong>H\u01b0\u1edbng d\u1eabn mua h\u00e0ng<\/strong> v\u00e0 c\u00e1c module \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1m ph\u00e1 t\u1ea5t c\u1ea3 c\u00e1c t\u00e0i nguy\u00ean ch\u00ednh th\u1ee9c v\u00e0 mua c\u00e1c module SFP SX ch\u00ednh h\u00e3ng, ch\u1ea5t l\u01b0\u1ee3ng cao t\u1ea1i \u0111\u1ecba ch\u1ec9 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\"><strong>C\u1eeda h\u00e0ng Ch\u00ednh th\u1ee9c LINK-PP<\/strong><\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 m\u00f4-\u0111un SFP 1G SX, bao g\u1ed3m th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, t\u00ednh t\u01b0\u01a1ng th\u00edch, m\u1eb9o tri\u1ec3n khai v\u00e0 nh\u1eadn x\u00e9t th\u1ef1c t\u1ebf t\u1eeb ng\u01b0\u1eddi d\u00f9ng nh\u1eb1m t\u1ed1i \u01b0u hi\u1ec7u n\u0103ng m\u1ea1ng.<\/p>","protected":false},"author":1,"featured_media":3001,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[15],"class_list":["post-3002","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-link-pp-1g-sfp-modules"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3002","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=3002"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3002\/revisions"}],"predecessor-version":[{"id":10742,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/3002\/revisions\/10742"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/3001"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=3002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=3002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=3002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}