{"id":5335,"date":"2025-08-26T00:00:00","date_gmt":"2025-08-26T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/what-is-twisted-pair-copper-cable-and-how-does-it-work\/"},"modified":"2026-06-22T08:07:45","modified_gmt":"2026-06-22T08:07:45","slug":"what-is-twisted-pair-copper-cable-and-how-does-it-work","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-twisted-pair-copper-cable-and-how-does-it-work","title":{"rendered":"C\u00e1p \u0111\u1ed3ng xo\u1eafn \u0111\u00f4i: Tr\u1ee5 c\u1ed9t c\u1ee7a kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i hi\u1ec7n \u0111\u1ea1i"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/28959a47968f4321a7e278bbb55f0dc2.webp\" alt=\"What Is Twisted-Pair Copper Cable \" class=\"wp-image-5333\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/28959a47968f4321a7e278bbb55f0dc2.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/28959a47968f4321a7e278bbb55f0dc2-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/28959a47968f4321a7e278bbb55f0dc2-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/28959a47968f4321a7e278bbb55f0dc2-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/28959a47968f4321a7e278bbb55f0dc2-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1eddi \u0111\u1ea1i c\u1ee7a c\u00e1p quang s\u1ee3i t\u1ed1c \u0111\u1ed9 cao ch\u1edbp nho\u00e1ng v\u00e0 m\u1ecdi th\u1ee9 kh\u00f4ng d\u00e2y, th\u1eadt d\u1ec5 d\u00e0ng b\u1ecf qua lo\u1ea1i c\u00e1p \u0111\u1ed3ng xo\u1eafn \u0111\u00f4i khi\u00eam t\u1ed1n <strong>c\u00e1p \u0111\u1ed3ng xo\u1eafn \u0111\u00f4i<\/strong>. Th\u1ebf nh\u01b0ng, h\u00e3y nh\u00ecn ph\u00eda sau b\u1ea5t k\u1ef3 b\u00e0n l\u00e0m vi\u1ec7c n\u00e0o, trong b\u1ea5t k\u1ef3 ph\u00f2ng m\u00e1y ch\u1ee7 n\u00e0o ho\u1eb7c ngay b\u00ean trong t\u01b0\u1eddng nh\u00e0 b\u1ea1n, v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y \u201ccon ng\u1ef1a th\u1ed3\u201d n\u00e0y \u0111ang \u00e2m th\u1ea7m cung c\u1ea5p internet, d\u1ecbch v\u1ee5 \u0111i\u1ec7n tho\u1ea1i v\u00e0 d\u1eef li\u1ec7u \u2014 nh\u1eefng y\u1ebfu t\u1ed1 v\u1eadn h\u00e0nh cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a ch\u00fang ta. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 n\u1ec1n t\u1ea3ng cho <strong>c\u00e1p Ethernet<\/strong> v\u00e0 m\u1ea1ng c\u1ee5c b\u1ed9 (LAN) tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u01b0ng ch\u00ednh x\u00e1c th\u00ec n\u00f3 l\u00e0 g\u00ec, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng ra sao, v\u00e0 li\u1ec7u n\u00f3 v\u1eabn c\u00f2n ph\u00f9 h\u1ee3p hay kh\u00f4ng? B\u00e0i ph\u00e2n t\u00edch chuy\u00ean s\u00e2u n\u00e0y s\u1ebd kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi b\u1ec1n b\u1ec9 c\u1ee7a c\u00e1p xo\u1eafn \u0111\u00f4i, c\u00e1c <strong>lo\u1ea1i <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/cat5e-vs-cat6-vs-cat7-ethernet-cable\/\"><strong>(Cat5e, Cat6, Cat7)<\/strong><\/a>, kh\u00e1c nhau c\u1ee7a n\u00f3, c\u0169ng nh\u01b0 s\u1ef1 c\u1ed9ng h\u01b0\u1edfng \u0111\u00e1ng kinh ng\u1ea1c gi\u1eefa n\u00f3 v\u1edbi c\u00f4ng ngh\u1ec7 c\u00e1p quang ti\u00ean ti\u1ebfn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd C\u00e1p xo\u1eafn \u0111\u00f4i l\u00e0 g\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 b\u1ea3n ch\u1ea5t, m\u1ed9t <strong>c\u00e1p xo\u1eafn \u0111\u00f4i<\/strong> \u0111\u00fang nh\u01b0 t\u00ean g\u1ecdi: g\u1ed3m c\u00e1c c\u1eb7p d\u00e2y \u0111\u1ed3ng \u0111\u01b0\u1ee3c xo\u1eafn l\u1ea1i v\u1edbi nhau. Thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n n\u00e0y th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t ki\u1ec7t t\u00e1c. L\u00fd do ch\u00ednh khi\u1ebfn c\u00e1c d\u00e2y \u0111\u01b0\u1ee3c xo\u1eafn l\u1ea1i l\u00e0 \u0111\u1ec3 tri\u1ec7t ti\u00eau <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-electromagnetic-interference\/\"><strong>nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI)<\/strong><\/a> and <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/crosstalk-definition-causes-types-effects\/\"><strong>nhi\u1ec5u xuy\u00ean k\u00eanh<\/strong><\/a> \u2013 hi\u1ec7n t\u01b0\u1ee3ng truy\u1ec1n t\u00edn hi\u1ec7u kh\u00f4ng mong mu\u1ed1n gi\u1eefa c\u00e1c d\u00e2y ho\u1eb7c c\u00e1p li\u1ec1n k\u1ec1.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>C\u01a1 ch\u1ebf tri\u1ec7t ti\u00eau:<\/strong> Khi hai d\u00e2y \u0111\u01b0\u1ee3c xo\u1eafn l\u1ea1i, tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb ph\u00e1t ra t\u1eeb m\u1ed7i d\u00e2y s\u1ebd g\u00e2y nhi\u1ec5u l\u1eabn nhau. V\u00ec c\u00e1c d\u00e2y n\u1eb1m r\u1ea5t g\u1ea7n nhau v\u00e0 \u0111\u01b0\u1ee3c xo\u1eafn ch\u1eb7t, c\u00e1c tr\u01b0\u1eddng g\u00e2y nhi\u1ec5u n\u00e0y s\u1ebd tri\u1ec7t ti\u00eau l\u1eabn nhau m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, t\u1eeb \u0111\u00f3 b\u1ea3o to\u00e0n t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u d\u1eef li\u1ec7u \u0111ang \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t c\u00e1p \u0111i\u1ec3n h\u00ecnh g\u1ed3m b\u1ed1n c\u1eb7p xo\u1eafn (t\u1ed5ng c\u1ed9ng t\u00e1m d\u00e2y), t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c b\u1ecdc trong m\u1ed9t l\u1edbp v\u1ecf b\u1ea3o v\u1ec7 b\u00ean ngo\u00e0i. \u0110\u1ed9 xo\u1eafn c\u00e0ng ch\u1eb7t th\u00ec kh\u1ea3 n\u0103ng tri\u1ec7t ti\u00eau nhi\u1ec5u c\u00e0ng t\u1ed1t, v\u00e0 n\u00f3i chung, t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1i \u0111a ti\u1ec1m n\u0103ng c\u0169ng c\u00e0ng cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd C\u00e1c lo\u1ea1i c\u00e1p xo\u1eafn \u0111\u00f4i: C\u00f3 v\u1ecf b\u1ecdc (STP) so v\u1edbi Kh\u00f4ng v\u1ecf b\u1ecdc (UTP)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 hai lo\u1ea1i ch\u00ednh m\u00e0 b\u1ea1n s\u1ebd g\u1eb7p ph\u1ea3i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>C\u00e1p xo\u1eafn \u0111\u00f4i kh\u00f4ng c\u00f3 v\u1ecf b\u1ecdc (UTP):<\/strong> \u0110\u00e2y l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng v\u0103n ph\u00f2ng v\u00e0 gia \u0111\u00ecnh. Lo\u1ea1i n\u00e0y ch\u1ec9 d\u1ef1a v\u00e0o vi\u1ec7c xo\u1eafn c\u00e1c d\u00e2y \u0111\u1ec3 tri\u1ec7t ti\u00eau nhi\u1ec5u. N\u00f3 linh ho\u1ea1t, chi ph\u00ed th\u1ea5p v\u00e0 d\u1ec5 l\u1eafp \u0111\u1eb7t.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>C\u00e1p xo\u1eafn \u0111\u00f4i c\u00f3 v\u1ecf b\u1ecdc (STP):<\/strong> C\u00e1p STP c\u00f3 th\u00eam l\u1edbp ch\u1eafn b\u1eb1ng l\u00e1 nh\u00f4m ho\u1eb7c l\u01b0\u1edbi kim lo\u1ea1i \u0111an xung quanh c\u00e1c c\u1eb7p d\u00e2y ho\u1eb7c to\u00e0n b\u1ed9 c\u00e1p. L\u1edbp ch\u1eafn n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 b\u1ed5 sung ch\u1ed1ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI), n\u00ean r\u1ea5t l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 m\u00e1y m\u00f3c n\u1eb7ng, \u0111\u1ed9ng c\u01a1 l\u1edbn ho\u1eb7c n\u01a1i c\u00e1p ch\u1ea1y song song v\u1edbi \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd C\u00e1c lo\u1ea1i c\u00e1p xo\u1eafn \u0111\u00f4i: T\u1eeb Cat5e \u0111\u1ebfn Cat8<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 <strong>c\u00e1p Ethernet<\/strong> kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 nhau. Ch\u00fang \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo \u201clo\u1ea1i\u201d, quy \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u n\u0103ng c\u1ee7a ch\u00fang, ch\u1ee7 y\u1ebfu l\u00e0 d\u1ea3i t\u1ea7n (MHz) v\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u (Gbps).<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p><strong>Danh m\u1ee5c<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>D\u1ea3i th\u00f4ng<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u t\u1ed1i \u0111a (\u1edf kho\u1ea3ng c\u00e1ch 100 m)<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cat5e<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>100 MHz<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng gia \u0111\u00ecnh, h\u1ec7 th\u1ed1ng m\u1ea1ng v\u0103n ph\u00f2ng c\u0169.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cat6<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>250 MHz<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>1 Gbps (10 Gbps trong ph\u1ea1m vi t\u1ed1i \u0111a 55 m)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng v\u0103n ph\u00f2ng hi\u1ec7n \u0111\u1ea1i, \u1ee9ng d\u1ee5ng c\u1ea5p ngu\u1ed3n qua Ethernet (PoE).<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cat6a<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>500 MHz<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng LAN hi\u1ec7u n\u0103ng cao.<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cat7<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>600 MHz<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00f2ng m\u00e1y ch\u1ee7 h\u1ea1ng n\u1eb7ng, m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb m\u1ea1nh (EMI).<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Cat8<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>2000 MHz<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>25\/40 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i x\u01b0\u01a1ng s\u1ed1ng trung t\u00e2m d\u1eef li\u1ec7u v\u1edbi kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>B\u1ea3ng: So s\u00e1nh c\u00e1c lo\u1ea1i c\u00e1p Ethernet xo\u1eafn \u0111\u00f4i ph\u1ed5 bi\u1ebfn.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd \u0110\u1ed3ng so v\u1edbi c\u00e1p quang: M\u1ed9t m\u1ed1i quan h\u1ec7 \u0111\u1ed1i t\u00e1c b\u1ea5t ng\u1edd<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"659\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34e5a5eaca86417fb8b27013dfcc83bd.webp\" alt=\"copper VS fiber\" class=\"wp-image-5334\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34e5a5eaca86417fb8b27013dfcc83bd.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34e5a5eaca86417fb8b27013dfcc83bd-300x165.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34e5a5eaca86417fb8b27013dfcc83bd-1024x562.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34e5a5eaca86417fb8b27013dfcc83bd-768x422.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/34e5a5eaca86417fb8b27013dfcc83bd-18x10.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00fang v\u1eady, <strong>c\u00e1p quang<\/strong> c\u00e1p quang mang l\u1ea1i t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t tr\u1ed9i, kho\u1ea3ng c\u00e1ch xa h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng mi\u1ec5n nhi\u1ec5m v\u1edbi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI). V\u1eady t\u1ea1i sao ch\u00fang ta v\u1eabn d\u00f9ng c\u00e1p \u0111\u1ed3ng?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Chi ph\u00ed &amp; Ngu\u1ed3n \u0111i\u1ec7n:<\/strong> C\u00e1p \u0111\u1ed3ng r\u1ebb h\u01a1n \u0111\u00e1ng k\u1ec3 c\u1ea3 v\u1ec1 chi ph\u00ed s\u1ea3n xu\u1ea5t l\u1eabn l\u1eafp \u0111\u1eb7t. \u0110\u1eb7c bi\u1ec7t quan tr\u1ecdng l\u00e0 n\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-you-need-to-know-about-power-over-ethernet\/\"><strong>c\u00f4ng ngh\u1ec7 Cung c\u1ea5p \u0111i\u1ec7n qua Ethernet (PoE)<\/strong><\/a>, c\u1ea5p ngu\u1ed3n qua Ethernet (PoE),.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">nh\u1edd \u0111\u00f3 m\u1ed9t c\u00e1p duy nh\u1ea5t c\u00f3 th\u1ec3 v\u1eeba truy\u1ec1n d\u1eef li\u1ec7u v\u1eeba cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n cho c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i VoIP, \u0111i\u1ec3m truy c\u1eadp kh\u00f4ng d\u00e2y v\u00e0 camera an ninh. <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-network-switch\/\"><strong>Switch m\u1ea1ng<\/strong><\/a>. Ch\u00eca kh\u00f3a n\u1eb1m \u1edf ch\u1ed7 c\u00e1c c\u00f4ng ngh\u1ec7 n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh, m\u00e0 l\u00e0 \u0111\u1ed1i t\u00e1c h\u1ee3p t\u00e1c. H\u00e0nh tr\u00ecnh m\u1ea1ng \u0111i\u1ec3n h\u00ecnh th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1p quang \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i, r\u1ed3i k\u1ebft th\u00fac t\u1ea1i m\u1ed9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b\u1ed9 chuy\u1ec3n \u0111\u1ed5i quang\u2013\u0111i\u1ec7n (media converter). <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/media-converters-what-they-are-and-how-media-converters-work\/\"><strong>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng<br><\/strong><\/a> ho\u1eb7c m\u1ed9t <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>m\u00f4-\u0111un SFP<\/strong><\/a> M\u1ed9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh <strong>chuy\u1ec3n \u0111\u1ed5i t\u1eeb c\u00e1p quang sang c\u00e1p \u0111\u1ed3ng<\/strong>, li\u1ec1n m\u1ea1ch, <strong>C\u00e1c m\u00f4-\u0111un SFP<\/strong> c\u00e1c b\u1ed9 thu ph\u00e1t (transceiver) hi\u1ec7u n\u0103ng cao <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>LINK-PP<\/strong><\/a> l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu. C\u00e1c th\u01b0\u01a1ng hi\u1ec7u nh\u01b0 <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476770.htm\"><strong>LP-SFP-MSRC<\/strong><\/a> m\u00f4-\u0111un SFP \u0111\u1ed3ng Gigabit v\u00e0o switch c\u1ee7a b\u1ea1n gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng k\u1ebft n\u1ed1i v\u1edbi \u0111\u01b0\u1eddng c\u00e1p Cat6a, cung c\u1ea5p k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ed1c \u0111\u1ed9 cao t\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd L\u1ef1a ch\u1ecdn c\u00e1p ph\u00f9 h\u1ee3p cho m\u1ea1ng c\u1ee7a b\u1ea1n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Selecting the right <strong>gi\u1ea3i ph\u00e1p c\u00e1p Ethernet<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Gia \u0111\u00ecnh\/V\u0103n ph\u00f2ng (1 Gbps):<\/strong> Cat5e ho\u1eb7c Cat6 l\u00e0 \u0111\u1ee7.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>V\u0103n ph\u00f2ng\/Gaming t\u1ed1c \u0111\u1ed9 cao (10 Gbps):<\/strong> H\u00e3y ch\u1ecdn Cat6a cho c\u00e1c \u0111\u01b0\u1eddng c\u00e1p d\u00e0i t\u1edbi 100 m.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Trung t\u00e2m d\u1eef li\u1ec7u\/M\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec5u EMI cao:<\/strong> C\u00e2n nh\u1eafc Cat7 ho\u1eb7c Cat8 cho c\u00e1c \u1ee9ng d\u1ee5ng ng\u1eafn h\u1ea1n \u0111\u1eb7c th\u00f9 ho\u1eb7c c\u00e1c gi\u1ea3i ph\u00e1p c\u00f3 v\u1ecf b\u1ecdc.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lu\u00f4n c\u00e2n nh\u1eafc \u0111\u1ebfn <strong>future-proofing your network infrastructure<\/strong>. t\u01b0\u01a1ng lai. Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1p c\u00f3 lo\u1ea1i cao h\u01a1n ngay t\u1eeb \u0111\u1ea7u c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c chi ph\u00ed n\u00e2ng c\u1ea5p t\u1ed1n k\u00e9m v\u1ec1 sau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd K\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t m\u1ea1ng l\u01b0\u1edbi v\u1eefng ch\u1eafc \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1eeb n\u1ec1n m\u00f3ng l\u00ean, v\u00e0 t\u1ea5t c\u1ea3 b\u1eaft \u0111\u1ea7u t\u1eeb c\u00e1p v\u00e0 ph\u1ea7n c\u1ee9ng ph\u00f9 h\u1ee3p. D\u00f9 b\u1ea1n \u0111ang l\u1eadp k\u1ebf ho\u1ea1ch tri\u1ec3n khai m\u1edbi hay n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng <strong>Hi\u1ec7u n\u0103ng c\u1ee7a c\u00e1c k\u1ebft n\u1ed1i v\u1eadt l\u00fd b\u00ean trong v\u00e0 gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi<\/strong>, hi\u1ec7n c\u00f3,.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec3m giao ti\u1ebfp then ch\u1ed1t n\u01a1i m\u1ea1ng c\u00e1p \u0111\u1ed3ng v\u00e0 c\u00e1p quang c\u1ee7a b\u1ea1n g\u1eb7p nhau, h\u00e3y s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u00e1ng tin c\u1eady v\u00e0 t\u01b0\u01a1ng th\u00edch. H\u00e3y kh\u00e1m ph\u00e1 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a><strong>\u2018b\u1ed9 s\u1ea3n ph\u1ea9m \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a<\/strong> to\u00e0n b\u1ed9 d\u00f2ng s\u1ea3n ph\u1ea9m <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a> and <strong>C\u00e1c m\u00f4-\u0111un SFP<\/strong>, nh\u01b0 <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/482686.htm\"><strong>LP-RJ45TG-3YC<\/strong><\/a> ch\u1ea5t l\u01b0\u1ee3ng cao d\u00e0nh cho k\u1ebft n\u1ed1i \u0111\u1ed3ng 10-Gigabit, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea1t hi\u1ec7u n\u0103ng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1i \u0111a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ch\u1ea5t l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u00e1ng tin c\u1eady cho c\u1ea3 \u1ee9ng d\u1ee5ng Ethernet v\u00e0 OTN. <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/support.htm\"><strong>Li\u00ean h\u1ec7 ngay v\u1edbi c\u00e1c chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i h\u00f4m nay<\/strong><\/a><strong> \u0111\u1ec3 t\u00ecm ra gi\u1ea3i ph\u00e1p ho\u00e0n h\u1ea3o \u0111\u00e1p \u1ee9ng nhu c\u1ea7u k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n!<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd FAQ<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00f4ng vi\u1ec7c ch\u00ednh c\u1ee7a c\u00e1p \u0111\u1ed3ng xo\u1eafn \u0111\u00f4i l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1p \u0111\u1ed3ng xo\u1eafn \u0111\u00f4i truy\u1ec1n t\u00edn hi\u1ec7u d\u1eef li\u1ec7u ho\u1eb7c gi\u1ecdng n\u00f3i gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb. C\u00e1c d\u00e2y xo\u1eafn gi\u00fap ch\u1eb7n nhi\u1ec5u t\u1eeb b\u00ean ngo\u00e0i. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1eef cho t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng v\u00e0 m\u1ea1nh m\u1ebd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1p xo\u1eafn \u0111\u00f4i c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng cho c\u1ea3 \u0111\u01b0\u1eddng truy\u1ec1n internet v\u00e0 \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, c\u00e1p xo\u1eafn \u0111\u00f4i h\u1ed7 tr\u1ee3 c\u1ea3 k\u1ebft n\u1ed1i internet v\u00e0 \u0111i\u1ec7n tho\u1ea1i. Nhi\u1ec1u h\u1ed9 gia \u0111\u00ecnh v\u00e0 v\u0103n ph\u00f2ng s\u1eed d\u1ee5ng lo\u1ea1i c\u00e1p n\u00e0y cho m\u1ea1ng Ethernet v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >D\u1eef li\u1ec7u c\u00f3 th\u1ec3 truy\u1ec1n \u0111i bao xa trong m\u1ed9t c\u00e1p xo\u1eafn \u0111\u00f4i?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea7u h\u1ebft c\u00e1c c\u00e1p xo\u1eafn \u0111\u00f4i c\u00f3 th\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u l\u00ean \u0111\u1ebfn 100 m\u00e9t (kho\u1ea3ng 328 feet) m\u00e0 kh\u00f4ng l\u00e0m suy gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng. C\u00e1c c\u00e1p d\u00e0i h\u01a1n c\u00f3 th\u1ec3 g\u00e2y suy y\u1ebfu t\u00edn hi\u1ec7u ho\u1eb7c l\u00e0m ch\u1eadm t\u1ed1c \u0111\u1ed9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1p Cat 5e v\u00e0 c\u00e1p Cat 6 l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1p Cat 6 h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 cao h\u01a1n v\u00e0 ch\u1ed1ng nhi\u1ec5u t\u1ed1t h\u01a1n so v\u1edbi c\u00e1p Cat 5e. C\u00e1p Cat 6 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n trong c\u00e1c m\u1ea1ng b\u1eadn r\u1ed9n ho\u1eb7c nh\u1eefng n\u01a1i c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00e1p xo\u1eafn \u0111\u00f4i c\u00f3 c\u1ea7n c\u00f4ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1ee3 l\u1eafp \u0111\u1eb7t th\u01b0\u1eddng s\u1eed d\u1ee5ng k\u00ecm tu\u1ed1t d\u00e2y v\u00e0 k\u00ecm b\u1ea5m \u0111\u1ea7u n\u1ed1i. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y gi\u00fap c\u1eaft, tu\u1ed1t v\u00e0 n\u1ed1i d\u00e2y m\u1ed9t c\u00e1ch an to\u00e0n. Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang c\u00f4ng c\u1ee5 s\u1ebd gi\u00fap c\u00f4ng vi\u1ec7c d\u1ec5 d\u00e0ng v\u00e0 an to\u00e0n h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1p \u0111\u1ed3ng xo\u1eafn \u0111\u00f4i s\u1eed d\u1ee5ng hai d\u00e2y c\u00e1ch \u0111i\u1ec7n xo\u1eafn l\u1ea1i v\u1edbi nhau nh\u1eb1m ng\u0103n ch\u1eb7n nhi\u1ec5u, \u0111\u1ea3m b\u1ea3o vi\u1ec7c truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u v\u00e0 gi\u1ecdng n\u00f3i \u0111\u00e1ng tin c\u1eady trong c\u00e1c m\u1ea1ng.<\/p>","protected":false},"author":1,"featured_media":5333,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5335","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\/5335","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=5335"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5335\/revisions"}],"predecessor-version":[{"id":11220,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5335\/revisions\/11220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5333"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}