{"id":18646,"date":"2025-03-06T05:54:06","date_gmt":"2025-03-06T05:54:06","guid":{"rendered":"https:\/\/dekam-fiber.com\/?p=18646"},"modified":"2025-03-08T08:34:59","modified_gmt":"2025-03-08T08:34:59","slug":"ofc-cable","status":"publish","type":"post","link":"https:\/\/dekam-fiber.com\/vi\/ofc-cable\/","title":{"rendered":"OFC (C\u00e1p quang): H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u n\u0103m 2025"},"content":{"rendered":"<p>OFC hay C\u00e1p quang \u0111ang thay \u0111\u1ed5i th\u1ebf gi\u1edbi trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 internet, h\u00ecnh \u1ea3nh y t\u1ebf, truy\u1ec1n th\u00f4ng qu\u00e2n s\u1ef1 v\u00e0 th\u00e0nh ph\u1ed1 th\u00f4ng minh v\u00ec t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady v\u00f4 song c\u1ee7a n\u00f3. Kh\u00f4ng gi\u1ed1ng nh\u01b0 d\u00e2y \u0111\u1ed3ng truy\u1ec1n th\u1ed1ng, c\u00e1p OFC s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi m\u1ee9c t\u1ed5n th\u1ea5t t\u1ed1i thi\u1ec3u, \u0111i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ed1i v\u1edbi 5G, AI v\u00e0 th\u1eadm ch\u00ed l\u00e0 th\u00e1m hi\u1ec3m kh\u00f4ng gian.<\/p>\n\n\n\n<p>V\u00ec v\u1eady, m\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c vi\u1ebft blog n\u00e0y l\u00e0 cung c\u1ea5p cho b\u1ea1n hi\u1ec3u bi\u1ebft c\u01a1 b\u1ea3n v\u1ec1 vi\u1ec7c b\u1ea1n l\u00e0 sinh vi\u00ean, ng\u01b0\u1eddi \u0111am m\u00ea c\u00f4ng ngh\u1ec7 hay chuy\u00ean gia. Ch\u00fang t\u00f4i s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1p OFC l\u00e0 g\u00ec, c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng, lo\u1ea1i, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 nhi\u1ec1u th\u00f4ng tin kh\u00e1c. V\u00ec v\u1eady, h\u00e3y ti\u1ebfp t\u1ee5c \u0111\u1ecdc blog n\u00e0y \u0111\u1ec3 bi\u1ebft nh\u1eefng lo\u1ea1i c\u00e1p n\u00e0y \u0111ang \u0111\u1ecbnh h\u00ecnh xu h\u01b0\u1edbng t\u01b0\u01a1ng lai c\u1ee7a c\u00e1c l\u0129nh v\u1ef1c truy\u1ec1n th\u00f4ng nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcDlZHdusD8u6mMwqPRbaXNRLTxv6w42wRw1jBHuyXnmfJy6F5JWPC4EW6_5H6OgEj2yRbQCFmjEPfK5ex5usNKGAu-Iw4dNu56U9iwCX68UzCc3nH3Yl-heD6nar_FhjaQQ3TaIg?key=vFsLXa9X4bzVrylUfxez9ZW1\" alt=\"H\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 s\u1ee3i quang\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 1 H\u01b0\u1edbng d\u1eabn cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u1ec1 s\u1ee3i quang<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>1) C\u00e1p OFC l\u00e0 g\u00ec?<\/em><\/strong><\/h2>\n\n\n\n<p><em>\u201c<a href=\"https:\/\/dekam-fiber.com\/vi\/what-is-fiber-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">OFC<\/a> (C\u00e1p quang) l\u00e0 lo\u1ea1i c\u00e1p truy\u1ec1n d\u1eef li\u1ec7u b\u1eb1ng \u00e1nh s\u00e1ng thay v\u00ec \u0111i\u1ec7n, do \u0111\u00f3 cung c\u1ea5p t\u1ed1c \u0111\u1ed9 \u0111\u1eb7c bi\u1ec7t m\u00e0 kh\u00f4ng b\u1ecb m\u1ea5t t\u00edn hi\u1ec7u.\u201d\u00a0<\/em><\/p>\n\n\n\n<p>S\u1ee3i quang \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o internet, truy\u1ec1n h\u00ecnh, d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt v\u00e0 truy\u1ec1n th\u00f4ng kh\u00f4ng gian do kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u \u1edf t\u1ed1c \u0111\u1ed9 99,7% c\u1ee7a t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng. H\u01a1n n\u1eefa, theo \u01b0\u1edbc t\u00ednh, n\u00f3 c\u00f3 th\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u li\u00ean t\u1ee5c \u1edf kho\u1ea3ng c\u00e1ch xa h\u01a1n 100 km m\u00e0 kh\u00f4ng b\u1ecb suy gi\u1ea3m v\u00e0 c\u00f3 th\u1ec3 l\u00ean t\u1edbi 100 terabit m\u1ed7i gi\u00e2y. H\u01a1n n\u1eefa, c\u00e1p OFC kh\u00f4ng b\u1ecb nhi\u1ec5u \u0111i\u1ec7n n\u00ean r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 truy\u1ec1n th\u00f4ng nhanh v\u00e0 r\u00f5 r\u00e0ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXd97ql3hIhFuMp4lIzTRaCDisuVWEq7_yMITHkPSSeUItsPHTSyWw4_XnS5c2tZU75zMp2oUG7xt9dAO30tT32YvkV-upBozBbLCL7nVo7BsbbfbJWRgEbBFwubIob2elSfqhoJZg?key=vFsLXa9X4bzVrylUfxez9ZW1\" alt=\"C\u00e1p OFC\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 2 C\u00e1p OFC<\/em><\/p>\n\n\n\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, Sam Fredericks, m\u1ed9t chuy\u00ean gia m\u1ea1ng vi\u1ec5n th\u00f4ng cao c\u1ea5p t\u1ea1i Broad Spectrum \u0111\u00e3 chia s\u1ebb nh\u1eefng \u0111\u00e1nh gi\u00e1 t\u1ed1t v\u1ec1 c\u00e1p quang tr\u00ean Qoura. \u00d4ng c\u0169ng cho bi\u1ebft c\u00e1p quang nhanh h\u01a1n v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n nhi\u1ec1u so v\u1edbi d\u00e2y \u0111\u1ed3ng v\u00ec ch\u00fang s\u1eed d\u1ee5ng m\u00f4i tr\u01b0\u1eddng \u00e1nh s\u00e1ng thay v\u00ec \u0111i\u1ec7n.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXewkfpDH9NnBRxKDR_74Ssd0X6jlyOxB-8xv7lic-jkzpMvzSnS9Auo62T2n704e7K1Onbiivf020H12P_qqmuGjktwB_sKm6kNm9U-ZAG2FkLdFKthybZETEZO-5zwtzAUK25duQ?key=vFsLXa9X4bzVrylUfxez9ZW1\" alt=\"quora\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>2) Ai l\u00e0 ng\u01b0\u1eddi ph\u00e1t minh ra s\u1ee3i quang?<\/em><\/strong><\/h2>\n\n\n\n<p>B\u1ea1n bi\u1ebft \u0111\u1ea5y, vi\u1ec7c truy\u1ec1n \u00e1nh s\u00e1ng qua s\u1ee3i m\u1ecfng l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng n\u0103m 1840. Tuy nhi\u00ean, m\u1ed9t nh\u00e0 khoa h\u1ecdc \u1ea4n \u0110\u1ed9 t\u00ean l\u00e0 Narinder Singh Kapany \u0111\u00e3 t\u1ea1o ra m\u1ed9t s\u1ee3i c\u00e1p quang th\u1ef1c s\u1ef1 v\u00e0o n\u0103m 1956 v\u00e0 k\u1ec3 t\u1eeb \u0111\u00f3 \u00f4ng \u0111\u01b0\u1ee3c coi l\u00e0 Cha \u0111\u1ebb c\u1ee7a S\u1ee3i quang. \u0110i\u1ec1u n\u00e0y l\u00e0 do \u00f4ng \u0111\u00e3 ch\u1ec9 ra c\u00e1c nguy\u00ean t\u1eafc truy\u1ec1n \u00e1nh s\u00e1ng qua s\u1ee3i th\u1ee7y tinh.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXe44A_vY9szfPHQfqqGdbtrAdDleeJvYkf7JlgFv9hRefoOeyjrvfrPstzrNAfJLDyglGE3YH-FcqqxzrHti8h09uNWRY1t0ytffncewynCJH-lgECQjIYThAAES_on8vG72tJsEQ?key=vFsLXa9X4bzVrylUfxez9ZW1\" alt=\"Cha \u0111\u1ebb c\u1ee7a s\u1ee3i quang\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 3 Cha \u0111\u1ebb c\u1ee7a s\u1ee3i quang&nbsp;<\/em><\/p>\n\n\n\n<p>Sau \u0111\u00f3, v\u00e0o n\u0103m 1970, Corning Glass Works \u0111\u00e3 s\u1ea3n xu\u1ea5t ra lo\u1ea1i c\u00e1p quang \u0111\u1ea7u ti\u00ean c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c v\u1edbi m\u1ee9c suy hao t\u00edn hi\u1ec7u d\u01b0\u1edbi 10% tr\u00ean m\u1ed7i kilomet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>3) <\/em><\/strong><strong><em>C\u00e1p quang<\/em><\/strong><strong><em> c\u00e1c b\u1ed9 ph\u1eadn<\/em><\/strong><\/h2>\n\n\n\n<p>Additionally, in order to facilitate fast and clear communication, a fibre optic cable has several important components. Now, let&#8217;s simplify it for you to understand how it works:&nbsp;<\/p>\n\n\n\n<p><strong>i) L\u00f5i:<\/strong> \u0110\u00e2y l\u00e0 ph\u1ea7n trong su\u1ed1t \u1edf gi\u1eefa n\u01a1i \u00e1nh s\u00e1ng \u0111i qua v\u00e0 \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u1ee7y tinh ho\u1eb7c nh\u1ef1a. B\u1ea1n c\u00f3 th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng n\u00f3 gi\u1ed1ng nh\u01b0 m\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m h\u00ecnh tr\u1ee5 d\u1eabn \u00e1nh s\u00e1ng. Trong c\u00e1p \u0111\u01a1n ch\u1ebf \u0111\u1ed9, n\u00f3 c\u00f3 th\u1ec3 m\u1ecfng t\u1edbi 8 micromet (\u00b5m) ho\u1eb7c trong c\u00e1p \u0111a ch\u1ebf \u0111\u1ed9, n\u00f3 c\u00f3 th\u1ec3 l\u00ean t\u1edbi 62,5 \u00b5m.&nbsp;<\/p>\n\n\n\n<p><strong>ii) L\u1edbp ph\u1ee7:<\/strong> Ti\u1ebfp theo, l\u1edbp ph\u1ee7 l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 l\u00f5i. N\u00f3 ng\u0103n \u00e1nh s\u00e1ng tho\u00e1t ra ngo\u00e0i b\u1eb1ng c\u00e1ch ph\u1ea3n x\u1ea1 (ph\u1ea3n x\u1ea1 l\u1ea1i hi\u1ec7n t\u01b0\u1ee3ng \u00e1nh s\u00e1ng) tr\u1edf l\u1ea1i b\u00ean trong. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ea1n lu\u00f4n nh\u1eadn \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u m\u1ea1nh v\u00e0 r\u00f5 r\u00e0ng.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcM9olQvnhqXruY6lZ5ByTFDN0tbhwFIwd0VkhQcPje06x8_w3lclBWt3RCXgHm1ZHWX0cqFxLcdF0GUVY2ctjqC1BpN4TwISltnVttRBjcL8QNrwISTH51sCEuvJAzkxl3LHkr3A?key=vFsLXa9X4bzVrylUfxez9ZW1\" alt=\"Linh ki\u1ec7n s\u1ee3i quang\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 4 Linh ki\u1ec7n s\u1ee3i quang<\/em><\/p>\n\n\n\n<p><strong>iii) L\u1edbp ph\u1ee7 \u0111\u1ec7m:<\/strong> H\u01a1n n\u1eefa, c\u00f2n c\u00f3 m\u1ed9t l\u1edbp gel ho\u1eb7c nh\u1ef1a bao quanh l\u00f5i v\u00e0 l\u1edbp b\u1ecdc. N\u00f3 b\u1ea3o v\u1ec7 ch\u00fang kh\u1ecfi \u0111\u1ed9 \u1ea9m, b\u1ee5i v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng \u0111\u1ec3 b\u1ea1n kh\u00f4ng ph\u1ea3i lo l\u1eafng v\u1ec1 c\u00e1c k\u1ebft n\u1ed1i y\u1ebfu.&nbsp;<\/p>\n\n\n\n<p><strong>iv) T\u0103ng c\u01b0\u1eddng s\u1ee3i c\u01a1: <\/strong>\u0110\u00e2y l\u00e0 nh\u1eefng s\u1ee3i \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb Kevlar (c\u00f9ng lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u00e1o ch\u1ed1ng \u0111\u1ea1n). Ch\u00fang gi\u1eef cho c\u00e1p kh\u00f4ng b\u1ecb cong ho\u1eb7c g\u00e3y, \u0111\u1ea3m b\u1ea3o c\u00e1p b\u1ec1n v\u00e0 l\u00e2u d\u00e0i cho b\u1ea1n.&nbsp;<\/p>\n\n\n\n<p><strong>v) \u00c1o kho\u00e1c ngo\u00e0i:<\/strong> \u0110\u00e2y l\u00e0 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u b\u1ec1n kh\u00e1c nh\u01b0 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Polyvinyl_chloride\" target=\"_blank\" rel=\"noreferrer noopener\">Nh\u1ef1a PVC<\/a>. N\u00f3 b\u1ea3o v\u1ec7 c\u00e1p kh\u1ecfi n\u01b0\u1edbc, nhi\u1ec7t v\u00e0 h\u01b0 h\u1ecfng v\u1eadt l\u00fd gi\u00fap k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n an to\u00e0n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>4) L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3<\/em><\/strong><strong><em> c\u00e1p quang<\/em><\/strong><strong><em> c\u00f4ng vi\u1ec7c?<\/em><\/strong><\/h2>\n\n\n\n<p>Now, let&#8217;s see how the above-mentioned components of OFC cables work together to ensure seamless connectivity!<\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 1) Chuy\u1ec3n \u0111\u1ed5i th\u00f4ng tin th\u00e0nh t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u01b0\u1edbc h\u1ebft, trong khi ph\u00e1t tr\u1ef1c tuy\u1ebfn video, ki\u1ec3m tra email ho\u1eb7c ch\u1ec9 duy\u1ec7t internet, thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n s\u1ebd chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u \u0111\u1ec3 g\u1eedi th\u00e0nh c\u00e1c xung \u00e1nh s\u00e1ng. C\u00e1c xung \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng tia laser ho\u1eb7c \u0111\u00e8n LED cho kho\u1ea3ng c\u00e1ch d\u00e0i h\u01a1n v\u00e0 ng\u1eafn h\u01a1n t\u01b0\u01a1ng \u1ee9ng. C\u00e1c xung \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a n\u00e0y d\u1ecbch ng\u00f4n ng\u1eef c\u1ee7a m\u00e1y t\u00ednh (m\u00e3 nh\u1ecb ph\u00e2n) bao g\u1ed3m c\u00e1c s\u1ed1 1 v\u00e0 s\u1ed1 0.<\/li>\n<\/ul>\n\n\n\n<p><strong>B\u01b0\u1edbc 2) \u00c1nh s\u00e1ng \u0111i v\u00e0o l\u00f5i&nbsp;<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u1ebfp theo, c\u00e1c xung \u00e1nh s\u00e1ng \u0111i v\u00e0o l\u00f5i (8 \u0111\u1ebfn 62,5 micromet) \u0111\u01b0\u1ee3c c\u1ea5u th\u00e0nh t\u1eeb th\u1ee7y tinh silica si\u00eau tinh khi\u1ebft. Do \u0111\u00f3, n\u00f3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u00ecnh tr\u1ea1ng m\u1ea5t t\u00edn hi\u1ec7u v\u00e0 cho ph\u00e9p \u00e1nh s\u00e1ng truy\u1ec1n qua m\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXca_A0gQmknMN-JEvmrHP7r0wTqU6WSoaQDFwodkX4tkyGM6XoK4rqfWyOOHFNA6sHLKSfBjfjhIdwhy98VcQWbKOFEqGP9RBGCD1M-PJLcWJ0w7qoV_MiKIIwhAZUrsN7E-JQm0g?key=vFsLXa9X4bzVrylUfxez9ZW1\" alt=\"C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u1ee3i quang\"\/><\/figure>\n\n\n\n<p><em>H\u00ecnh s\u1ed1 5 C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u1ee3i quang<\/em><\/p>\n\n\n\n<p><strong>B\u01b0\u1edbc 3) Ph\u1ea3n x\u1ea1 to\u00e0n ph\u1ea7n<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khi \u00e1nh s\u00e1ng \u0111i v\u00e0o l\u00f5i, n\u00f3 li\u00ean t\u1ee5c ph\u1ea3n x\u1ea1 kh\u1ecfi l\u1edbp v\u1ecf, m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 xung quanh l\u00f5i. Khi \u0111i\u1ec1u n\u00e0y x\u1ea3y ra, \u0111\u00f3 l\u00e0 do ph\u1ea3n x\u1ea1 to\u00e0n ph\u1ea7n b\u00ean trong, gi\u1eef \u00e1nh s\u00e1ng trong m\u1ed9t khoang kh\u00fac x\u1ea1. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ed5n th\u1ea5t t\u1ed1i thi\u1ec3u x\u1ea3y ra trong khi d\u1eef li\u1ec7u \u0111\u1ebfn \u0111\u00edch cu\u1ed1i c\u00f9ng.<\/li>\n<\/ul>\n\n\n\n<p><strong>B\u01b0\u1edbc 4) Ki\u1ec3m so\u00e1t ho\u00e0n to\u00e0n c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sau \u0111\u00f3, b\u1ed9 khu\u1ebfch \u0111\u1ea1i quang h\u1ecdc nh\u01b0 <a href=\"https:\/\/www.fs.com\/blog\/optical-amplifieredfa-erbiumdoped-fiber-amplifier-for-wdm-system-1902.html\" target=\"_blank\" rel=\"noreferrer noopener\">EDFA<\/a> (B\u1ed9 khu\u1ebfch \u0111\u1ea1i s\u1ee3i quang pha t\u1ea1p Erbium) t\u0103ng t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u sau m\u1ed7i 50 \u0111\u1ebfn 100 km. \u0110i\u1ec1u n\u00e0y duy tr\u00ec c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch xa m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i chuy\u1ec3n l\u1ea1i sang \u0111i\u1ec7n.<\/li>\n<\/ul>\n\n\n\n<p><strong>B\u01b0\u1edbc 5) Chuy\u1ec3n \u0111\u1ed5i \u00e1nh s\u00e1ng tr\u1edf l\u1ea1i th\u00e0nh d\u1eef li\u1ec7u<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u1ede ph\u00eda nh\u1eadn th\u00f4ng tin li\u00ean l\u1ea1c, m\u1ed9t b\u1ed9 t\u00e1ch s\u00f3ng quang, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111i\u1ed1t quang, bi\u1ebfn \u0111\u1ed5i c\u00e1c xung \u00e1nh s\u00e1ng tr\u1edf l\u1ea1i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n. V\u1edbi c\u00e1c t\u00edn hi\u1ec7u n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c b\u1eb1ng c\u00e1ch \u0111\u1ecdc v\u0103n b\u1ea3n, xem \u1ea3nh v\u00e0 xem video theo th\u1eddi gian th\u1ef1c.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>5) C\u00e1c lo\u1ea1i c\u00e1p OFC<\/em><\/strong><\/h2>\n\n\n\n<p>Trong ph\u1ea7n n\u00e0y, ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p cho b\u1ea1n t\u1ed5ng quan v\u1ec1 <a href=\"https:\/\/dekam-fiber.com\/vi\/fiber-optic-cable-types\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1c lo\u1ea1i c\u00e1p quang<\/a> s\u1ebd gi\u00fap b\u1ea1n mua \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong><em>K\u00edch th\u01b0\u1edbc l\u00f5i<\/em><\/strong><\/td><td><strong><em>Ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n t\u1ea3i<\/em><\/strong><\/td><td><strong><em>\u0110\u1eb7c tr\u01b0ng<\/em><\/strong><\/td><td><strong><em>T\u1ed1t nh\u1ea5t cho<\/em><\/strong><\/td><\/tr><tr><td><strong><em>Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n <\/em><\/strong><strong><em>(SMF)<\/em><\/strong><\/td><td><em>8\u201310<\/em><\/td><td><em>\u0110\u01b0\u1eddng d\u1eabn \u00e1nh s\u00e1ng \u0111\u01a1n<\/em><\/td><td><em>M\u1ea5t t\u00edn hi\u1ec7u th\u1ea5p, b\u0103ng th\u00f4ng cao<\/em><\/td><td><em>Truy\u1ec1n th\u00f4ng \u0111\u01b0\u1eddng d\u00e0i (Vi\u1ec5n th\u00f4ng, \u0110\u01b0\u1eddng tr\u1ee5c Internet)<\/em><\/td><\/tr><tr><td><strong><em>\u0110a ch\u1ebf \u0111\u1ed9<\/em><\/strong><strong><em> (MMF)<\/em><\/strong><\/td><td><em>50\u201362,5<\/em><\/td><td><em>Nhi\u1ec1u \u0111\u01b0\u1eddng d\u1eabn \u00e1nh s\u00e1ng<\/em><\/td><td><em>\u0110\u1ed9 suy gi\u1ea3m cao h\u01a1n, r\u1ebb h\u01a1n SMF<\/em><\/td><td><em>M\u1ea1ng kho\u1ea3ng c\u00e1ch ng\u1eafn (LAN, Trung t\u00e2m d\u1eef li\u1ec7u)<\/em><\/td><\/tr><tr><td><strong><em>\u0110\u01a1n gi\u1ea3n<\/em><\/strong><\/td><td><em>L\u00f5i \u0111\u01a1n<\/em><\/td><td><em>Truy\u1ec1n m\u1ed9t chi\u1ec1u<\/em><\/td><td><em>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea3m bi\u1ebfn, truy\u1ec1n th\u00f4ng RF<\/em><\/td><td><em>Truy\u1ec1n th\u00f4ng m\u1ed9t chi\u1ec1u (Y t\u1ebf, C\u00f4ng nghi\u1ec7p)<\/em><\/td><\/tr><tr><td><strong><em>C\u0103n h\u1ed9 song l\u1eadp<\/em><\/strong><\/td><td><em>Hai l\u00f5i<\/em><\/td><td><em>Truy\u1ec1n d\u1eabn hai chi\u1ec1u<\/em><\/td><td><em>Truy\u1ec1n d\u1eef li\u1ec7u song song<\/em><\/td><td><em>Truy\u1ec1n d\u1eef li\u1ec7u hai chi\u1ec1u (M\u1ea1ng, \u0110i\u1ec7n tho\u1ea1i)<\/em><\/td><\/tr><tr><td><strong><em>Thi\u1ebft gi\u00e1p<\/em><\/strong><\/td><td><em>Thay \u0111\u1ed5i<\/em><\/td><td><em>Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n ho\u1eb7c \u0111a<\/em><\/td><td><em>B\u1ea3o v\u1ec7 kim lo\u1ea1i ch\u1ed1ng l\u1ea1i \u0111\u1ed9ng v\u1eadt g\u1eb7m nh\u1ea5m v\u00e0 \u00e1p su\u1ea5t<\/em><\/td><td><em>M\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t (Ng\u1ea7m, Qu\u00e2n s\u1ef1)<\/em><\/td><\/tr><tr><td><strong><em>Tr\u00ean kh\u00f4ng<\/em><\/strong><\/td><td><em>Thay \u0111\u1ed5i<\/em><\/td><td><em>Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n ho\u1eb7c \u0111a<\/em><\/td><td><em>Ch\u1ed1ng tia UV, ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft<\/em><\/td><td><em>L\u1eafp \u0111\u1eb7t tr\u00ean cao (C\u1ed9t, Th\u00e1p)<\/em><\/td><\/tr><tr><td><strong><em>\u1ed0ng r\u1eddi<\/em><\/strong><\/td><td><em>S\u1ee3i 250\u00b5m b\u00ean trong \u1ed1ng<\/em><\/td><td><em>Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n ho\u1eb7c \u0111a<\/em><\/td><td><em>\u1ed0ng ch\u1ee9a gel \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111\u1ed9 \u1ea9m<\/em><\/td><td><em>S\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi (M\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng d\u00e0i)<\/em><\/td><\/tr><tr><td><strong><em>\u0110\u1ec7m ch\u1eb7t<\/em><\/strong><\/td><td><em>S\u1ee3i \u0111\u1ec7m 900\u00b5m<\/em><\/td><td><em>Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n ho\u1eb7c \u0111a<\/em><\/td><td><em>Linh ho\u1ea1t, d\u1ec5 l\u1eafp \u0111\u1eb7t<\/em><\/td><td><em>S\u1eed d\u1ee5ng trong nh\u00e0 (D\u00e2y v\u00e1, M\u1ea1ng ng\u1eafn)<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>6) M\u00e3 m\u00e0u c\u00e1p quang: Ti\u00eau chu\u1ea9n TIA-598C<\/em><\/strong><\/h2>\n\n\n\n<p>Ti\u00eau chu\u1ea9n n\u00e0y <a href=\"https:\/\/en.wikipedia.org\/wiki\/TIA-598-C\" target=\"_blank\" rel=\"noreferrer noopener\">TIA-598C<\/a> l\u00e0 m\u00e3 m\u00e0u to\u00e0n c\u1ea7u \u0111\u1ec3 ghi l\u1ea1i c\u00e1c s\u1ee3i ri\u00eang l\u1ebb \u0111\u01b0\u1ee3c bao b\u1ecdc trong c\u00e1p quang. N\u00f3 b\u1ea3o v\u1ec7 b\u1ea1n kh\u1ecfi m\u1eafc l\u1ed7i khi k\u1ebft n\u1ed1i c\u00e1c s\u1ee3i b\u1eb1ng c\u00e1ch cho ph\u00e9p nh\u1eadn d\u1ea1ng nhanh c\u00e1c s\u1ee3i. Ti\u00eau chu\u1ea9n n\u00e0y h\u1ed7 tr\u1ee3 c\u1ea3 s\u1ee3i \u0111\u01a1n ch\u1ebf \u0111\u1ed9 v\u00e0 \u0111a ch\u1ebf \u0111\u1ed9, mang l\u1ea1i t\u00ednh linh ho\u1ea1t cao h\u01a1n cho h\u1ec7 th\u1ed1ng m\u1ea1ng v\u00e0 vi\u1ec5n th\u00f4ng. V\u00ec v\u1eady, h\u00e3y xem b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>M\u00e0u s\u1ee3i ch\u00ednh (TIA-598C \u2013 12 s\u1ee3i)<\/em><\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong><em>S\u1ed1 l\u01b0\u1ee3ng l\u00f5i (S\u1ed1 l\u01b0\u1ee3ng s\u1ee3i)<\/em><\/strong><\/td><td><strong><em>M\u00e0u s\u1eafc<\/em><\/strong><\/td><\/tr><tr><td><strong><em>S\u1ee3i l\u00f5i \u0111\u01a1n<\/em><\/strong><\/td><td><em>M\u00e0u xanh da tr\u1eddi<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 2 l\u00f5i<\/em><\/strong><\/td><td><em>Qu\u1ea3 cam<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 3 l\u00f5i<\/em><\/strong><\/td><td><em>M\u00e0u xanh l\u00e1<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 4 l\u00f5i<\/em><\/strong><\/td><td><em>M\u00e0u n\u00e2u<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 5 l\u00f5i<\/em><\/strong><\/td><td><em>\u0110\u00e1 phi\u1ebfn (X\u00e1m)<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 6 l\u00f5i<\/em><\/strong><\/td><td><em>Tr\u1eafng<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 7 l\u00f5i<\/em><\/strong><\/td><td><em>M\u00e0u \u0111\u1ecf<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 8 l\u00f5i<\/em><\/strong><\/td><td><em>\u0110en<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 9 l\u00f5i<\/em><\/strong><\/td><td><em>M\u00e0u v\u00e0ng<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 10 l\u00f5i<\/em><\/strong><\/td><td><em>Violet (M\u00e0u t\u00edm)<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 11 l\u00f5i<\/em><\/strong><\/td><td><em>Hoa h\u1ed3ng (m\u00e0u h\u1ed3ng)<\/em><\/td><\/tr><tr><td><strong><em>S\u1ee3i quang 12 l\u00f5i<\/em><\/strong><\/td><td><em>Aqua (Xanh nh\u1ea1t)<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcq-M8pkGTeHAE97YpNWjaBmuvNyzwdx9I4ylWPNNhXoaSuwSJ2TMOk6zi-p1ktsWuznYTiB4ibOqcwoVotUYxLOX2Y4yIkk-gQ9vtnOg7WQUZ2qz4QIDYFx3njxdZNaok7HpLQ?key=vFsLXa9X4bzVrylUfxez9ZW1\" alt=\"M\u00e3 m\u00e0u s\u1ee3i quang\"\/><\/figure>\n\n\n\n<p><em>S\u1ed1 hi\u1ec7u M\u00e3 m\u00e0u s\u1ee3i quang<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>M\u00e0u s\u1eafc l\u1edbp v\u1ecf ngo\u00e0i \u2013 Nh\u1eadn d\u1ea1ng lo\u1ea1i s\u1ee3i<\/em><\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong><em>M\u00e0u \u00e1o kho\u00e1c<\/em><\/strong><\/td><td><strong><em>Lo\u1ea1i s\u1ee3i<\/em><\/strong><\/td><td><strong><em>\u1ee8ng d\u1ee5ng<\/em><\/strong><\/td><\/tr><tr><td><strong><em>M\u00e0u v\u00e0ng<\/em><\/strong><\/td><td><em>S\u1ee3i quang \u0111\u01a1n mode (SMF)<\/em><\/td><td><em>Truy\u1ec1n th\u00f4ng t\u1ed1c \u0111\u1ed9 cao, kho\u1ea3ng c\u00e1ch xa<\/em><\/td><\/tr><tr><td><strong><em>Qu\u1ea3 cam<\/em><\/strong><\/td><td><em>S\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 (MMF, OM1 &amp; OM2)<\/em><\/td><td><em>Truy\u1ec1n d\u1eef li\u1ec7u kho\u1ea3ng c\u00e1ch ng\u1eafn<\/em><\/td><\/tr><tr><td><strong><em>N\u01b0\u1edbc<\/em><\/strong><\/td><td><em>S\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 (OM3 &amp; OM4)<\/em><\/td><td><em>M\u1ea1ng t\u1ed1c \u0111\u1ed9 cao, ph\u1ea1m vi ng\u1eafn<\/em><\/td><\/tr><tr><td><strong><em>M\u00e0u xanh l\u00e1<\/em><\/strong><\/td><td><em>\u0110\u1ea7u n\u1ed1i g\u00f3c \u0111\u00e1nh b\u00f3ng (APC)<\/em><\/td><td><em>K\u1ebft n\u1ed1i quang h\u1ecdc ph\u1ea3n x\u1ea1 th\u1ea5p<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>7) Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u00e1p quang<\/em><\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt chung c\u1ee7a c\u00e1p quang<\/em><\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong><em>S\u1ee3i quang \u0111\u01a1n mode (SMF)<\/em><\/strong><\/td><td><strong><em>S\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 (MMF, OM1 &amp; OM2)<\/em><\/strong><\/td><td><strong><em>S\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 (OM3 &amp; OM4)<\/em><\/strong><\/td><\/tr><tr><td><strong><em>\u0110\u01b0\u1eddng k\u00ednh l\u00f5i<\/em><\/strong><\/td><td><em>8-10\u00b5m<\/em><\/td><td><em>50 \u00b5m (OM2), 62,5 \u00b5m (OM1<\/em><\/td><td><em>50 \u00b5m<\/em><\/td><\/tr><tr><td><strong><em>\u0110\u01b0\u1eddng k\u00ednh l\u1edbp ph\u1ee7<\/em><\/strong><\/td><td><em>125\u00b5m<\/em><\/td><td><em>125\u00b5m<\/em><\/td><td><em>125\u00b5m<\/em><\/td><\/tr><tr><td><strong><em>B\u01b0\u1edbc s\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/em><\/strong><\/td><td><em>1310nm, 1550nm<\/em><\/td><td><em>850nm, 1300nm<\/em><\/td><td><em>850nm, 1300nm<\/em><\/td><\/tr><tr><td><strong><em>\u0110\u1ed9 suy gi\u1ea3m (dB\/km)<\/em><\/strong><\/td><td><em>0,2-0,5 dB\/km<\/em><\/td><td><em>3,0-3,5 dB\/km<\/em><\/td><td><em>2,3-3,5 dB\/km<\/em><\/td><\/tr><tr><td><strong><em>Truy\u1ec1n d\u1eef li\u1ec7u<\/em><\/strong><\/td><td><em>Kho\u1ea3ng c\u00e1ch xa (L\u00ean \u0111\u1ebfn 80 km)<\/em><\/td><td><em>Kho\u1ea3ng c\u00e1ch ng\u1eafn (T\u1ed1i \u0111a 550 m)<\/em><\/td><td><em>Kho\u1ea3ng c\u00e1ch ng\u1eafn \u0111\u1ebfn trung b\u00ecnh (L\u00ean \u0111\u1ebfn 1 km)<\/em><\/td><\/tr><tr><td><strong><em>T\u1ed1c \u0111\u1ed9 Dung l\u01b0\u1ee3ng<\/em><\/strong><\/td><td><em>10 Gbps \u0111\u1ebfn 400 Gbps<\/em><\/td><td><em>10 Mbps \u0111\u1ebfn 1 Gbps<\/em><\/td><td><em>10 Gbps \u0111\u1ebfn 100 Gbps<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u01a1 h\u1ecdc v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a c\u00e1p quang<\/em><\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong><em>\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a c\u00e1p<\/em><\/strong><\/td><td><strong><em>B\u00e1n k\u00ednh u\u1ed1n cong t\u1ed1i thi\u1ec3u<\/em><\/strong><\/td><td><strong><em>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/em><\/strong><\/td><td><strong><em>Nhi\u1ec7t \u0111\u1ed9 l\u01b0u tr\u1eef<\/em><\/strong><\/td><td><strong><em>X\u1ebfp h\u1ea1ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc<\/em><\/strong><\/td><td><strong><em>Ch\u1ed1ng ch\u00e1y<\/em><\/strong><\/td><\/tr><tr><td><strong><em>C\u00e1p quang<\/em><\/strong><\/td><td><em>500-3000 N (T\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng)<\/em><\/td><td><em>\u0110\u01b0\u1eddng k\u00ednh c\u00e1p 10-20x<\/em><\/td><td><em>-40\u00b0C \u0111\u1ebfn +85\u00b0C<\/em><\/td><td><em>-60\u00b0C \u0111\u1ebfn +85\u00b0C<\/em><\/td><td><em>IP67\/IP68 cho c\u00e1p ngo\u00e0i tr\u1eddi<\/em><\/td><td><em>C\u00f3 s\u1eb5n LSZH (\u00edt kh\u00f3i kh\u00f4ng halogen)<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>Hi\u1ec7u su\u1ea5t quang h\u1ecdc c\u1ee7a c\u00e1p quang<\/em><\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong><em>OM1<\/em><\/strong><\/td><td><strong><em>OM2<\/em><\/strong><\/td><td><strong><em>OM3<\/em><\/strong><\/td><td><strong><em>OM4<\/em><\/strong><\/td><td><strong><em>H\u1ec7 \u0111i\u1ec1u h\u00e0nh1<\/em><\/strong><\/td><td><strong><em>H\u1ec7 \u0111i\u1ec1u h\u00e0nh2<\/em><\/strong><\/td><\/tr><tr><td><strong><em>B\u0103ng th\u00f4ng<\/em><\/strong><\/td><td><em>200 MHz\u00b7km<\/em><\/td><td><em>500 MHz\u00b7km<\/em><\/td><td><em>2000 MHz\u00b7km<\/em><\/td><td><em>4700 MHz\u00b7km<\/em><\/td><td><em>V\u00f4 h\u1ea1n (Ch\u1ec9 gi\u1edbi h\u1ea1n ph\u00e2n t\u00e1n)<\/em><\/td><td><em>V\u00f4 h\u1ea1n (Ch\u1ec9 gi\u1edbi h\u1ea1n ph\u00e2n t\u00e1n)<\/em><\/td><\/tr><tr><td><strong><em>Kho\u1ea3ng c\u00e1ch t\u1ed1i \u0111a (10Gbps)<\/em><\/strong><\/td><td><em>33 ph\u00fat<\/em><\/td><td><em>82 ph\u00fat<\/em><\/td><td><em>300 m\u00e9t<\/em><\/td><td><em>400 m\u00e9t<\/em><\/td><td><em>10-40km<\/em><\/td><td><em>40-80km<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>8) Gi\u00e1 c\u00e1p OFC<\/em><\/strong><\/h2>\n\n\n\n<p>Khi <a href=\"https:\/\/dekam-fiber.com\/vi\/buy-fibre-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">mua c\u00e1p quang<\/a> (OFC), gi\u00e1 c\u1ee7a ch\u00fang thay \u0111\u1ed5i t\u00f9y theo y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n nh\u01b0 lo\u1ea1i c\u00e1p, s\u1ed1 l\u01b0\u1ee3ng l\u00f5i v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng. Do \u0111\u00f3, vi\u1ec7c c\u00f3 ki\u1ebfn th\u1ee9c d\u1ef1a tr\u00ean c\u00e1c kh\u00eda c\u1ea1nh n\u00e0y cho ph\u00e9p b\u1ea1n t\u1ed1i \u0111a h\u00f3a gi\u00e1 tr\u1ecb \u0111\u1ea7u t\u01b0 c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>C\u1ea7n c\u00e2n nh\u1eafc nh\u1eefng g\u00ec khi mua c\u00e1p OFC?<\/em><\/strong><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>Lo\u1ea1i s\u1ee3i: <\/em><\/strong><em>\u0110\u1ed1i v\u1edbi c\u00e1p \u0111\u01a1n ch\u1ebf \u0111\u1ed9, gi\u00e1 th\u1ea5p h\u01a1n (b\u1eaft \u0111\u1ea7u t\u1eeb $0,10 cho m\u1ed9t m\u00e9t). Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1p \u0111a ch\u1ebf \u0111\u1ed9 \u0111\u1eaft h\u01a1n (tr\u00ean $0,50 cho m\u1ed9t m\u00e9t) v\u00ec ch\u00fang truy\u1ec1n nhi\u1ec1u th\u00f4ng tin h\u01a1n.&nbsp;<\/em><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>S\u1ed1 l\u01b0\u1ee3ng l\u00f5i:<\/em><\/strong><em> H\u01a1n n\u1eefa, m\u1ed9t v\u00e0i l\u00f5i l\u00e0m cho gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n. V\u00ed d\u1ee5, c\u00e1p 2 l\u00f5i r\u1ebb h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1p 24 l\u00f5i ho\u1eb7c 48 l\u00f5i. C\u00e0ng nhi\u1ec1u l\u00f5i th\u00ec chi ph\u00ed c\u00e0ng cao.<\/em><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>Ch\u1ea5t li\u1ec7u \u00e1o kho\u00e1c:<\/em><\/strong><em> T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, c\u00e1p ngo\u00e0i tr\u1eddi ho\u1eb7c ch\u1ed1ng ch\u00e1y s\u1ebd \u0111\u1eaft h\u01a1n c\u00e1p c\u01a1 b\u1ea3n trong nh\u00e0.<\/em><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em><a href=\"https:\/\/dekam-fiber.com\/vi\/fiber-optic-connector-types\/\" target=\"_blank\" rel=\"noreferrer noopener\">Lo\u1ea1i \u0111\u1ea7u n\u1ed1i<\/a>: <\/em><\/strong><em>C\u00e1p s\u1ee3i th\u00f4 r\u1ebb h\u01a1n <a href=\"https:\/\/dekam-fiber.com\/vi\/pre-terminated-fiber-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1p \u0111\u01b0\u1ee3c \u0111\u1ea5u n\u1ed1i tr\u01b0\u1edbc<\/a> v\u1edbi \u0111\u1ea7u n\u1ed1i SC, LC ho\u1eb7c MPO.<\/em><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td><strong><em>Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n (Simplex, 2 l\u00f5i)<\/em><\/strong><\/td><td><strong><em>Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n (12 l\u00f5i, b\u1ecdc th\u00e9p)<\/em><\/strong><\/td><td><strong><em>\u0110a ch\u1ebf \u0111\u1ed9 (OM3, Duplex, 2 l\u00f5i)<\/em><\/strong><\/td><td><strong><em>Nhi\u1ec1u ch\u1ebf \u0111\u1ed9 (OM4, 12 l\u00f5i, b\u1ecdc th\u00e9p)<\/em><\/strong><\/td><td><strong><em>M\u1eadt \u0111\u1ed9 cao (MTP\/MPO, 24 l\u00f5i+)<\/em><\/strong><\/td><\/tr><tr><td><strong><em>Gi\u00e1 theo m\u00e9t<\/em><\/strong><\/td><td><em>$0.10 &#8211; $0.50<\/em><\/td><td><em>$0.80 &#8211; $2.00<\/em><\/td><td><em>$0.50 &#8211; $1.50<\/em><\/td><td><em>$2.00 &#8211; $5.00<\/em><\/td><td><em>$5.00 &#8211; $20.00<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong><em>9) Ghi ch\u00fa k\u1ebft lu\u1eadn<\/em><\/strong><\/h2>\n\n\n\n<p>T\u00f3m l\u1ea1i, C\u00e1p quang (OFC) cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u li\u1ec1n m\u1ea1ch trong khi c\u00e1ch m\u1ea1ng h\u00f3a truy\u1ec1n th\u00f4ng, bao g\u1ed3m 5G, AI, Th\u00e0nh ph\u1ed1 th\u00f4ng minh, vi\u1ec5n th\u00f4ng, c\u00f4ng ngh\u1ec7 y t\u1ebf ti\u00ean ti\u1ebfn, c\u00f4ng ngh\u1ec7 kh\u00f4ng gian v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa. C\u00e1c c\u00f4ng ngh\u1ec7 n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o OFC \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i modem li\u1ec1n m\u1ea1ch.\u00a0<br>V\u00ec v\u1eady, n\u1ebfu b\u1ea1n mu\u1ed1n mua c\u00e1p quang, th\u00ec kh\u00f4ng c\u1ea7n t\u00ecm \u0111\u00e2u xa ngo\u00e0i Dekam Fibres. Ch\u00fang t\u00f4i cung c\u1ea5p t\u00f9y ch\u1ec9nh <a href=\"https:\/\/dekam-fiber.com\/vi\/ftth-solutions\/\" target=\"_blank\" rel=\"noreferrer noopener\">gi\u1ea3i ph\u00e1p s\u1ee3i<\/a> cho nhu c\u1ea7u internet v\u00e0 vi\u1ec5n th\u00f4ng c\u00f4ng nghi\u1ec7p, th\u01b0\u01a1ng m\u1ea1i ho\u1eb7c t\u01b0 nh\u00e2n c\u1ee7a b\u1ea1n. V\u00ec v\u1eady, h\u00e3y mua C\u00e1p quang t\u1eeb ch\u00fang t\u00f4i v\u00e0 n\u00e2ng c\u1ea5p m\u1ea1ng c\u1ee7a b\u1ea1n l\u00ean c\u1ea5p \u0111\u1ed9 OFC m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1p quang OFC (Optical Fiber Cable) \u0111ang thay \u0111\u1ed5i th\u1ebf gi\u1edbi trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 internet, h\u00ecnh \u1ea3nh y t\u1ebf, truy\u1ec1n th\u00f4ng qu\u00e2n s\u1ef1 v\u00e0 th\u00e0nh ph\u1ed1 th\u00f4ng minh nh\u1edd t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 tin c\u1eady v\u01b0\u1ee3t tr\u1ed9i. Kh\u00f4ng gi\u1ed1ng nh\u01b0 d\u00e2y \u0111\u1ed3ng truy\u1ec1n th\u1ed1ng, c\u00e1p OFC s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi \u0111\u1ed9 suy hao t\u1ed1i thi\u1ec3u, \u0111i\u1ec1u n\u00e0y khi\u1ebfn n\u00f3 tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ed1i v\u1edbi 5G, [\u2026]<\/p>","protected":false},"author":1,"featured_media":18555,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"OFC ( Optical Fibre Cable ): An Ultimate Beginners Guide For 2025","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/comments?post=18646"}],"version-history":[{"count":6,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18646\/revisions"}],"predecessor-version":[{"id":18671,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18646\/revisions\/18671"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/media\/18555"}],"wp:attachment":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/media?parent=18646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/categories?post=18646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/tags?post=18646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}