{"id":18695,"date":"2025-03-11T09:49:31","date_gmt":"2025-03-11T09:49:31","guid":{"rendered":"https:\/\/dekam-fiber.com\/?p=18695"},"modified":"2025-03-12T09:58:34","modified_gmt":"2025-03-12T09:58:34","slug":"a-detailed-guide-to-repairing-cut-fiber-optic-cables","status":"publish","type":"post","link":"https:\/\/dekam-fiber.com\/vi\/a-detailed-guide-to-repairing-cut-fiber-optic-cables\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00e1ch s\u1eeda ch\u1eefa c\u00e1p quang b\u1ecb c\u1eaft"},"content":{"rendered":"<p><strong>C\u1eaft c\u00e1p quang<\/strong> can be alarming, especially with problems like signals being dropped, internet interruptions, or even network failures. However, you don&#8217;t need to panic! It can still be fixed. If you have the right tools and knowledge, you can definitely find the solution.<\/p>\n\n\n\n<p>Cho d\u00f9 b\u1ea1n c\u00f3 v\u1ebft c\u1eaft c\u01a1 b\u1ea3n hay ph\u1ee9c t\u1ea1p h\u01a1n, h\u01b0\u1edbng d\u1eabn n\u00e0y d\u00e0nh cho b\u1ea1n. Ch\u00fang t\u00f4i s\u1ebd th\u1ea3o lu\u1eadn chi ti\u1ebft v\u1ec1 c\u00e1c lo\u1ea1i v\u1ebft c\u1eaft c\u00e1p quang, tri\u1ec7u ch\u1ee9ng v\u00e0 b\u1ed9 d\u1ee5ng c\u1ee5 s\u1eeda ch\u1eefa c\u00e1p quang. H\u01a1n n\u1eefa, ch\u00fang t\u00f4i c\u0169ng s\u1ebd cung c\u1ea5p cho b\u1ea1n h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc chi ti\u1ebft \u0111\u1ec3 s\u1eeda ch\u1eefa c\u00e1p quang v\u00e0 cu\u1ed1i c\u00f9ng, b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y c\u00e1c m\u1eb9o hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng c\u1eaft c\u00e1p trong t\u01b0\u01a1ng lai. V\u00ec v\u1eady, h\u00e3y \u0111\u1ebfn v\u1edbi ch\u00fang t\u00f4i!<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXez4VdyuScjZ5TOfC6rrqSAsublrw-91xhDnkczJCOVRz_9mb6d2kV08kweBdMBMw8rjH8RvnRfmeogAjJWYN2u_X2p4UaIL--RVIt61jbjkhd12fm6QiXvAlWXEoXYOPFj08UhTQ?key=aJ7ZZJhAthuYT66HjYR5Fb9c\" alt=\"s\u1eeda ch\u1eefa c\u00e1p quang\"\/><\/figure>\n\n\n\n<p>H\u00ecnh s\u1ed1 1 s\u1eeda ch\u1eefa c\u00e1p quang<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1) Hi\u1ec3u v\u1ec1 h\u01b0 h\u1ecfng c\u00e1p quang<\/strong><\/h2>\n\n\n\n<p>C\u00e1p quang c\u00f3 th\u1ec3 t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eafc ch\u1eafn, nh\u01b0ng v\u1eabn c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb h\u01b0 h\u1ecfng, c\u00f3 th\u1ec3 do tai n\u1ea1n, b\u1ea3o tr\u00ec k\u00e9m ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng. H\u01a1n n\u1eefa, b\u1ea1n bi\u1ebft r\u1eb1ng h\u01b0 h\u1ecfng n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t k\u1ebft n\u1ed1i ho\u00e0n to\u00e0n ho\u1eb7c t\u1ed1c \u0111\u1ed9 internet gi\u1ea3m. V\u00ec v\u1eady, b\u1ea1n c\u00e0ng nh\u1eadn ra c\u00e1c d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o s\u1edbm th\u00ec c\u00e0ng t\u1ed1t cho b\u1ea1n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1c lo\u1ea1i h\u01b0 h\u1ecfng s\u1ee3i quang<\/strong><\/li>\n<\/ul>\n\n\n\n<p>M\u1ed7i <a href=\"https:\/\/dekam-fiber.com\/vi\/outdoor-fiber-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1p quang<\/a> c\u00f3 kh\u1ea3 n\u0103ng tr\u1edf th\u00e0nh n\u1ea1n nh\u00e2n c\u1ee7a nhi\u1ec1u lo\u1ea1i h\u01b0 h\u1ecfng kh\u00e1c nhau, t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0m thay \u0111\u1ed5i m\u1ed9t kh\u00eda c\u1ea1nh nh\u1ea5t \u0111\u1ecbnh c\u1ee7a hi\u1ec7u su\u1ea5t. M\u1ed9t s\u1ed1 \u0111i\u1ec1u c\u1ea7n c\u1ea3nh gi\u00e1c bao g\u1ed3m:\u00a0\u00a0<\/p>\n\n\n\n<p><strong>i) Microbend v\u00e0 Macrobend: <\/strong>Nh\u1eefng \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n khi t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng b\u00ean trong c\u00e1p b\u1ecb gi\u00e1n \u0111o\u1ea1n do u\u1ed1n cong qu\u00e1 m\u1ee9c, d\u00f9 l\u00e0 nh\u1ecf (microbend) hay l\u1edbn (macrobend). M\u1eb7c d\u00f9 kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c t\u1eeb b\u00ean ngo\u00e0i, nh\u1eefng l\u1ea7n u\u1ed1n cong n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 suy gi\u1ea3m hi\u1ec7u su\u1ea5t \u0111\u00e1ng k\u1ec3.&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>ii) Thi\u1ec7t h\u1ea1i v\u1eadt ch\u1ea5t: <\/strong>C\u00e1c v\u1ebft c\u1eaft, v\u1ebft g\u1ea5p v\u00e0 th\u1eadm ch\u00ed l\u00e0 v\u1ebft \u0111\u1ee9t tr\u00ean to\u00e0n b\u1ed9 c\u00e1p quang l\u00e0 nh\u1eefng d\u1ea1ng h\u01b0 h\u1ecfng v\u1eadt l\u00fd ph\u1ed5 bi\u1ebfn nh\u1ea5t. Do c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i, nh\u1eefng h\u01b0 h\u1ecfng n\u00e0y c\u00f3 xu h\u01b0\u1edbng r\u1ea5t d\u1ec5 th\u1ea5y v\u00e0 l\u00e0m gi\u00e1n \u0111o\u1ea1n \u0111\u00e1ng k\u1ec3 vi\u1ec7c truy\u1ec1n t\u00edn hi\u1ec7u.&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>iii) Thi\u1ec7t h\u1ea1i v\u1ec1 m\u00f4i tr\u01b0\u1eddng:<\/strong> H\u01a1n n\u1eefa, c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 n\u01b0\u1edbc, b\u1ee9c x\u1ea1 UV ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 \u0111\u1ed9ng v\u1eadt g\u1eb7m nh\u1ea5m c\u0169ng c\u00f3 th\u1ec3 d\u1ea7n d\u1ea7n l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1p quang.&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>iv) H\u01b0 h\u1ecfng \u0111\u1ea7u n\u1ed1i: Cu\u1ed1i c\u00f9ng, <\/strong>Khi c\u00e1c d\u00e2y c\u00e1p \u1edf hai \u0111\u1ea7u c\u1ee7a \u0111\u1ea7u n\u1ed1i b\u1ecb h\u1ecfng, s\u1ebd x\u1ea3y ra m\u01b0\u1eddi l\u1ea7n truy\u1ec1n t\u00edn hi\u1ec7u kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn&nbsp;<\/strong><\/li>\n<\/ul>\n\n\n\n<p><strong>?<\/strong><strong> Ho\u1ea1t \u0111\u1ed9ng x\u00e2y d\u1ef1ng: <\/strong>Theo Hi\u1ec7p h\u1ed9i K\u1ef9 thu\u1eadt vi\u00ean \u0110i\u1ec7n t\u1eed, m\u00e1y \u0111\u00e0o l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y ra h\u01b0 h\u1ecfng quang h\u1ecdc.&nbsp;<\/p>\n\n\n\n<p><strong>? <\/strong><strong>Nguy\u00ean nh\u00e2n t\u1ef1 nhi\u00ean:<\/strong> C\u00e1c lo\u00e0i \u0111\u1ed9ng v\u1eadt \u0111\u00e0o hang nh\u01b0 chu\u1ed9t ch\u0169i v\u00e0 \u0111\u1ed9ng v\u1eadt g\u1eb7m nh\u1ea5m c\u00f3 th\u1ec3 c\u1eafn \u0111\u1ee9t c\u00e1p, khi\u1ebfn vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed ch\u00ednh x\u00e1c c\u1ee7a ch\u1ed7 \u0111\u1ee9t kh\u00e1 kh\u00f3 kh\u0103n.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcyrTbR2ktkyP66Az1hhEOFrJnCNCDUho0_p2mMIVE_6N69SgzL-pAKaEUhklWZ3XeFOFJSgVpz55wtu9tGZHBbD4f1kAdW-0sNesi8QnZW86Smq1-syYnbvf7Xy8ld2xoWMNJq?key=aJ7ZZJhAthuYT66HjYR5Fb9c\" alt=\"nguy\u00ean nh\u00e2n g\u00e2y h\u01b0 h\u1ecfng s\u1ee3i quang\"\/><\/figure>\n\n\n\n<p>H\u00ecnh s\u1ed1 2 g\u00e2y h\u01b0 h\u1ecfng s\u1ee3i quang<\/p>\n\n\n\n<p><strong>? <\/strong><strong>L\u1ed7i c\u1ee7a con ng\u01b0\u1eddi: <\/strong>C\u00e1c l\u1ed7i b\u1ea3o tr\u00ec v\u00e0 l\u1eafp \u0111\u1eb7t nh\u01b0 u\u1ed1n cong qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng cho thi\u1ebft b\u1ecb.&nbsp;&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>D\u1ea5u hi\u1ec7u c\u00e1p b\u1ecb h\u1ecfng&nbsp;&nbsp;<\/strong><\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu c\u00e1p quang b\u1ecb h\u1ecfng, c\u00f3 m\u1ed9t s\u1ed1 d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y:&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>! <\/strong><strong>M\u1ea5t t\u00edn hi\u1ec7u:<\/strong> First of all, if you see a sharp decline or gradual loss of signal, the it&#8217;s a clear indication that your fiber optic cable got damaged.&nbsp;<\/p>\n\n\n\n<p><strong>! <\/strong><strong>K\u1ebft n\u1ed1i kh\u00f4ng li\u00ean t\u1ee5c:<\/strong> K\u1ebft n\u1ed1i li\u00ean t\u1ee5c b\u1ecb ng\u1eaft c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a s\u1ef1 dao \u0111\u1ed9ng, th\u01b0\u1eddng x\u1ea3y ra do c\u00e1c s\u1ee3i th\u1ee7y tinh b\u00ean trong c\u00e1p b\u1ecb h\u1ecfng.&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>!<\/strong><strong> D\u1ea5u hi\u1ec7u v\u1eadt l\u00fd:<\/strong> H\u01a1n n\u1eefa, b\u1ea1n c\u0169ng ph\u1ea3i ki\u1ec3m tra<strong> <\/strong>\u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 v\u1ebft c\u1eaft, v\u1ebft u\u1ed1n cong s\u00e2u ho\u1eb7c v\u1ebft n\u1ee9t n\u00e0o tr\u00ean v\u1ecf c\u00e1p.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2) C\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft cho <\/strong><strong>S\u1eeda ch\u1eefa c\u00e1p quang<\/strong><\/h2>\n\n\n\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1p th\u00f4ng th\u01b0\u1eddng, vi\u1ec7c s\u1eeda ch\u1eefa <a href=\"https:\/\/dekam-fiber.com\/vi\/adss-fiber-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1p quang<\/a> h\u01a1i kh\u00f3 kh\u0103n. V\u00ec s\u1ee3i quang s\u1eed d\u1ee5ng s\u1ee3i th\u1ee7y tinh ho\u1eb7c nh\u1ef1a \u0111\u1ec3 truy\u1ec1n \u00e1nh s\u00e1ng, m\u1ea5t ngay c\u1ea3 m\u1ed9t ch\u00fat t\u00edn hi\u1ec7u c\u0169ng c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa b\u1eb1ng b\u1ed9 thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p. V\u00ec v\u1eady, \u1edf \u0111\u00e2y ch\u00fang ta s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1eeda ch\u1eefa c\u00e1p quang<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u1ed9 s\u1eeda ch\u1eefa c\u00e1p quang<\/strong><strong>:&nbsp;<\/strong><\/li>\n<\/ul>\n\n\n\n<p>B\u1ed9 d\u1ee5ng c\u1ee5 n\u00e0y ch\u1ee9a m\u1ecdi th\u1ee9 c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1eeda ch\u1eefa c\u00e1p quang. V\u00ed d\u1ee5;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e1y \u0111o ph\u1ea3n x\u1ea1 mi\u1ec1n th\u1eddi gian quang h\u1ecdc (<a href=\"https:\/\/en.wikipedia.org\/wiki\/Optical_time-domain_reflectometer\" target=\"_blank\" rel=\"noreferrer noopener\">M\u00e1y \u0111o OTDR<\/a>): <\/strong>Thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ecbnh v\u1ecb h\u01b0 h\u1ecfng trong c\u00e1p quang b\u1eb1ng c\u00e1ch g\u1eedi xung \u00e1nh s\u00e1ng qua \u0111\u00f3. Thi\u1ebft b\u1ecb n\u00e0y t\u00ecm ra ch\u1ed7 \u0111\u1ee9t v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b11 m\u00e9t, cho ph\u00e9p b\u1ea1n gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 nhanh h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcD99giOkSWd2ns0g-eTcnHmFiioPbW0wSjvfon4FNSfVvRMHjsHF1xRd_rH77NvYfZRlZEM_x93wzFBDfd-7pmgb2Yx03nJEwBMJbhoVvaYylNxVONgauFCIq1qOlTSv5UjwKTPg?key=aJ7ZZJhAthuYT66HjYR5Fb9c\" alt=\"M\u00e1y \u0111o OTDR\"\/><\/figure>\n\n\n\n<p>H\u00ecnh s\u1ed1 3 OTDR<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e1y c\u1eaft s\u1ee3i: <\/strong>M\u1ed9t c\u00f4ng c\u1ee5 gi\u00fap c\u1eaft s\u1ee3i quang ch\u00ednh x\u00e1c. Ch\u1ec9 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i \u0111\u00fang c\u00e1ch khi m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean m\u1ed9t v\u1ebft \u0111\u1ee9t s\u1ea1ch. N\u1ebfu v\u1ebft c\u1eaft b\u1ecb r\u0103ng c\u01b0a, ngay c\u1ea3 \u1edf m\u1ee9c nh\u1ecf nh\u1ea5t, k\u1ebft n\u1ed1i s\u1ebd kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdTP_RAi87Dcnl5Ce-eEsEuMH8BgKSoEccy7SfsLfQlOUY_YVT_TOrW0TjH3XeuVbMpKEE_hLrrUtQRTes1WZCrjutfXv_P89VXCM-f03kk4gZhhckHTKKxyOm3p5G4sxJx22yS5A?key=aJ7ZZJhAthuYT66HjYR5Fb9c\" alt=\"dao c\u1eaft s\u1ee3i\"\/><\/figure>\n\n\n\n<p>Dao c\u1eaft s\u1ee3i s\u1ed1 4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e1y t\u00e1ch s\u1ee3i quang: <\/strong>D\u1ee5ng c\u1ee5 n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 kh\u1ecfi s\u1ee3i quang. N\u00f3 \u0111\u1ea3m b\u1ea3o l\u00f5i th\u1ee7y tinh trong su\u1ed1t m\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 v\u1ebft n\u1ee9t n\u00e0o tr\u00ean \u0111\u00f3.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXex7lopRzSnFGW1b6NomLx7WQoQvaALqf7yZ4fiU86D4dHK3DsBJRCA554xG2TSePUvyIrY3fgvDINf8bmIhj83zA08qBj7MExxBd0kEEsE-FjypAzoRYJXtpfpHKjO1meSuRgl?key=aJ7ZZJhAthuYT66HjYR5Fb9c\" alt=\"m\u00e1y t\u00e1ch s\u1ee3i\"\/><\/figure>\n\n\n\n<p>H\u00ecnh s\u1ed1 5 m\u00e1y t\u01b0\u1edbc s\u1ee3i<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u1ed0ng b\u1ea3o v\u1ec7 m\u1ed1i n\u1ed1i: <\/strong>\u0110\u00e2y l\u00e0 nh\u1eefng \u1ed1ng b\u1ea3o v\u1ec7 r\u1ea5t nh\u1ecf bao b\u1ecdc v\u00e0 gia c\u1ed1 s\u1ee3i n\u1ed1i \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee3i kh\u00f4ng b\u1ecb cong ho\u1eb7c \u0111\u1ee9t tr\u1edf l\u1ea1i.&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdaAmDo6g9LapXfyifRuB10R3_smszH_oyMRE71NIr3oAGxp6nQUz4I-_KgLKrweaXU6g_oXWwME_PKo1R6if0xzysV00HSID9Bgzco-cMLCyLDMbIADtIlzH3LfPExDNBU1zuOFA?key=aJ7ZZJhAthuYT66HjYR5Fb9c\" alt=\"Tay \u00e1o b\u1ea3o v\u1ec7 l\u00e1t c\u1eaft\"\/><\/figure>\n\n\n\n<p>H\u00ecnh s\u1ed1 6 Tay \u00e1o b\u1ea3o v\u1ec7 l\u00e1t c\u1eaft<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Kh\u0103n lau c\u1ed3n v\u00e0 kh\u0103n lau kh\u00f4ng x\u01a1: <\/strong>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nh\u1eefng kh\u0103n lau n\u00e0y \u0111\u1ec3 v\u1ec7 sinh \u0111\u1ea7u s\u1ee3i quang kh\u1ecfi b\u1ee5i, b\u1ea9n ho\u1eb7c d\u1ea7u. Nh\u1eefng th\u1ee9 n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft v\u00ec b\u1ea5t k\u1ef3 d\u1ea1ng \u00f4 nhi\u1ec5m n\u00e0o c\u0169ng c\u00f3 th\u1ec3 l\u00e0m suy y\u1ebfu k\u1ebft n\u1ed1i v\u00e0 g\u00e2y m\u1ea5t t\u00edn hi\u1ec7u.&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u1ed0ng co nhi\u1ec7t v\u00e0 v\u1ecf b\u1ea3o v\u1ec7:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ecbt k\u00edn v\u00e0 b\u1ea3o v\u1ec7 c\u00e1p quang \u0111\u00e3 s\u1eeda ch\u1eefa kh\u1ecfi b\u1ee5i, h\u01a1i \u1ea9m v\u00e0 h\u01b0 h\u1ecfng v\u1eadt l\u00fd, \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t b\u1ec1n v\u1eefng.&nbsp;&nbsp;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcqoaHgTGJpmlhKXc4AQ2Gh_KUW2qSomwh7sMb1UL3DpEz-gEp-FgtIfIZvhzvkejXjD02FFTH38lYH01DFATWQuZ3kCRsZ62Yces-TYx9mDgLB2z-jIAd0U6wFtuZPvCgp6jHMkg?key=aJ7ZZJhAthuYT66HjYR5Fb9c\" alt=\"\u1ed0ng co nhi\u1ec7t\"\/><\/figure>\n\n\n\n<p>H\u00ecnh s\u1ed1 7 \u1ed0ng co nhi\u1ec7t<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba an to\u00e0n<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u s\u1eeda ch\u1eefa, h\u00e3y th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba an to\u00e0n sau;&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>?<\/strong><strong> \u0110eo k\u00ednh an to\u00e0n: <\/strong>Nguy c\u01a1 c\u1ee7a c\u00e1c s\u1ee3i quang m\u1ecfng c\u00f3 th\u1ec3 g\u00e2y ra r\u1ee7i ro v\u1edbi c\u00e1c c\u1ea1nh s\u1eafc. N\u1ebfu m\u1ed9t m\u1ea3nh v\u1ee1 bay v\u00e0o m\u1eaft b\u1ea1n, vi\u1ec7c lo\u1ea1i b\u1ecf s\u1ebd c\u1ef1c k\u1ef3 kh\u00f3 kh\u0103n.&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>? <\/strong><strong>Kh\u00f4ng ch\u1ea1m v\u00e0o \u0111\u1ea7u s\u1ee3i: <\/strong>M\u1eb7c d\u00f9 c\u00e1c s\u1ee3i x\u01a1 b\u1ecb \u0111\u1ee9t g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n \u0111\u01b0\u1ee3c, nh\u01b0ng ch\u00fang c\u00f3 nguy c\u01a1 bi\u1ebfn th\u00e0nh nh\u1eefng m\u1ea3nh d\u1eb1m g\u00e2y \u0111au \u0111\u1edbn n\u1ebfu \u0111\u00e2m v\u00e0o da b\u1ea1n.&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>? <\/strong><strong>S\u1eed d\u1ee5ng th\u00f9ng ch\u1ee9a ch\u1ea5t th\u1ea3i s\u1ee3i: <\/strong>\u0110\u1eb7t nh\u1eefng s\u1ee3i x\u01a1 th\u1eeba \u0111\u00e1ng l\u1ebd ph\u1ea3i v\u1ee9t v\u00e0o th\u00f9ng r\u00e1c v\u00e0o th\u00f9ng \u0111\u1ef1ng an to\u00e0n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh \u0111\u1ec3 b\u1ea3o qu\u1ea3n nh\u1eefng s\u1ee3i x\u01a1 th\u1eeba n\u00e0y.&nbsp;&nbsp;<\/p>\n\n\n\n<p>B\u1eb1ng c\u00e1ch c\u00f3 thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u00e0 \u00e1p d\u1ee5ng c\u00e1c giao th\u1ee9c an to\u00e0n th\u00edch h\u1ee3p, b\u1ea1n c\u00f3 th\u1ec3 s\u1eeda ch\u1eefa c\u00e1p quang v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u00fang ho\u1ea1t \u0111\u1ed9ng h\u1ebft c\u00f4ng su\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3) H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 s\u1eeda ch\u1eefa c\u00e1p quang b\u1ecb c\u1eaft<\/strong><\/h2>\n\n\n\n<p>N\u1ebfu c\u00e1p quang c\u1ee7a b\u1ea1n b\u1ecb h\u1ecfng, \u0111\u1eebng lo l\u1eafng! V\u1edbi c\u00e1c thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p, b\u1ea1n c\u00f3 th\u1ec3 <a href=\"https:\/\/accutechcom.com\/how-to-repair-fiber-optic-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">th\u1ef1c hi\u1ec7n s\u1eeda ch\u1eefa<\/a>. V\u1eady, ch\u00fang ta h\u00e3y c\u00f9ng ph\u00e2n t\u00edch nh\u00e9!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed \u0111\u1ee9t g\u00e3y<\/strong><\/h3>\n\n\n\n<p>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u t\u00ecm ki\u1ebfm, h\u00e3y ch\u1eafc ch\u1eafn x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed x\u1ea3y ra l\u1ed7i. \u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng OTDR, thi\u1ebft b\u1ecb n\u00e0y s\u1ebd hi\u1ec3n th\u1ecb v\u1ecb tr\u00ed c\u1eaft v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c kho\u1ea3ng \u00b11 m\u00e9t.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, \u0111\u1ed1i v\u1edbi c\u00e1p c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y, h\u00e3y ki\u1ec3m tra xem c\u00f3 v\u1ebft c\u1eaft, v\u1ebft u\u1ed1n cong ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 c\u00e1c \u0111o\u1ea1n b\u1ecb \u0111\u1eadp v\u1ee1 th\u00f4 b\u1ea1o kh\u00f4ng. \u0110\u00f4i khi, c\u00e1p c\u00f3 v\u1ebb ho\u00e0n to\u00e0n \u1ed5n khi nh\u00ecn t\u1eeb b\u00ean ngo\u00e0i, nh\u01b0ng c\u00f3 th\u1ec3 b\u1ecb \u0111\u1ee9t \u1edf b\u00ean trong, d\u1eabn \u0111\u1ebfn t\u00edn hi\u1ec7u y\u1ebfu ho\u1eb7c ch\u1ebft.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 2: Chu\u1ea9n b\u1ecb \u0111\u1ea7u c\u00e1p<\/strong><\/h3>\n\n\n\n<p>\u0110\u1ebfn th\u1eddi \u0111i\u1ec3m n\u00e0y, b\u1ea1n \u0111\u00e3 bi\u1ebft v\u1ea5n \u0111\u1ec1 l\u00e0 g\u00ec. Ti\u1ebfp theo, b\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch chu\u1ea9n b\u1ecb c\u00e1p \u0111\u1ec3 s\u1eeda ch\u1eefa.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00e1o l\u1edbp v\u1ecf ngo\u00e0i m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn: <\/strong>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ea5t t\u1ea9y \u0111\u1ec3 lo\u1ea1i b\u1ecf l\u1edbp b\u1ea3o v\u1ec7. Tuy nhi\u00ean, c\u1ea7n ph\u1ea3i c\u1ea9n th\u1eadn v\u00ec c\u00e1c s\u1ee3i t\u00f3c m\u1ecfng h\u01a1n nhi\u1ec1u so v\u1edbi t\u00f3c ng\u01b0\u1eddi v\u00e0 r\u1ea5t m\u1ecfng manh.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u00e0m s\u1ea1ch c\u00e1c s\u1ee3i quang: <\/strong>B\u00e2y gi\u1edd, h\u00e3y s\u1eed d\u1ee5ng c\u1ed3n isopropyl v\u00e0 kh\u0103n lau kh\u00f4ng x\u01a1. \u0110\u1eebng b\u1ecf qua b\u01b0\u1edbc n\u00e0y v\u00ec c\u00e1c h\u1ea1t b\u1ee5i nh\u1ecf c\u00f3 th\u1ec3 ch\u1eb7n t\u00edn hi\u1ec7u.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 3: N\u1ed1i c\u00e1c s\u1ee3i b\u1ecb \u0111\u1ee9t<\/strong><\/h3>\n\n\n\n<p>B\u00e2y gi\u1edd l\u00e0 l\u00fac \u201ckh\u00e2u\u201d c\u00e1c s\u1ee3i b\u1ecb \u0111\u1ee9t. B\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n theo hai c\u00e1ch:<\/p>\n\n\n\n<p><strong>i) N\u1ed1i quang: <\/strong>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u0103n ch\u1ec9nh c\u00e1c \u0111\u1ea7u s\u1ee3i quang v\u0129nh vi\u1ec5n. V\u00ec v\u1eady, h\u00e3y s\u1eed d\u1ee5ng m\u00e1y h\u00e0n nhi\u1ec7t, l\u00e0m tan ch\u1ea3y c\u00e1c \u0111\u1ea7u v\u00e0 n\u1ed1i ch\u00fang l\u1ea1i v\u1edbi nhau m\u1ed9t c\u00e1ch li\u1ec1n m\u1ea1ch. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho k\u1ebft qu\u1ea3 l\u00e0 m\u1ea5t t\u00edn hi\u1ec7u th\u1ea5p nh\u1ea5t (d\u01b0\u1edbi 0,1 dB) v\u00e0 s\u1ebd gi\u1eef cho k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n m\u1ea1nh m\u1ebd. Sau \u0111\u00f3, h\u00e3y s\u1eed d\u1ee5ng \u1ed1ng b\u1ea3o v\u1ec7 m\u1ed1i n\u1ed1i, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t lo\u1ea1i b\u0103ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng m\u1ed1i n\u1ed1i v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i h\u01b0 h\u1ecfng.&nbsp;&nbsp;<\/p>\n\n\n\n<p><strong>ii) N\u1ed1i c\u01a1 h\u1ecdc:<\/strong> S\u1eed d\u1ee5ng m\u1ed1i n\u1ed1i c\u01a1 h\u1ecdc, m\u1ed9t v\u1eadt c\u1ed1 \u0111\u1ecbnh nh\u1ecf b\u00ean ngo\u00e0i gi\u1eef ch\u1eb7t c\u00e1c \u0111\u1ea7u s\u1ee3i t\u1ea1i ch\u1ed7 m\u00e0 kh\u00f4ng c\u1ea7n d\u00f9ng nhi\u1ec7t. B\u1ea1n c\u0169ng ph\u1ea3i th\u00eam gel kh\u1edbp ch\u1ec9 s\u1ed1. Gel n\u00e0y gi\u1ea3m thi\u1ec3u m\u1ea5t t\u00edn hi\u1ec7u b\u1eb1ng c\u00e1ch l\u1ea5p \u0111\u1ea7y c\u00e1c kho\u1ea3ng tr\u1ed1ng nh\u1ecf. H\u01a1n n\u1eefa, h\u00e3y \u0111\u1ea3m b\u1ea3o m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh. N\u1ebfu c\u00e1c s\u1ee3i kh\u00f4ng th\u1eb3ng h\u00e0ng, t\u00edn hi\u1ec7u c\u00f3 th\u1ec3 y\u1ebfu ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 4: B\u1ea3o v\u1ec7 vi\u1ec7c s\u1eeda ch\u1eefa c\u1ee7a b\u1ea1n<\/strong><\/h3>\n\n\n\n<p>B\u1ea1n \u0111\u00e3 li\u00ean k\u1ebft c\u00e1p quang nh\u01b0ng v\u1eabn ch\u01b0a ho\u00e0n th\u00e0nh. B\u00e2y gi\u1edd, b\u1ea1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed1i n\u1ed1i c\u00e1p quang b\u1ea1n t\u1ea1o ra c\u00f3 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. V\u00ed d\u1ee5, h\u00e3y l\u00e0m nh\u01b0 sau!<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u1ed9 b\u1ea3o v\u1ec7 m\u1ed1i n\u1ed1i nhi\u1ec7t: <\/strong>Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y s\u1ebd co l\u1ea1i khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng, \u0111\u1ea3m b\u1ea3o m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1eb7t m\u1ed1i n\u1ed1i v\u00e0o n\u1eafp b\u1ea3o v\u1ec7: <\/strong>C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u1eafp ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc n\u1ebfu c\u00e1p \u0111\u01b0\u1ee3c \u0111\u1eb7t ngo\u00e0i tr\u1eddi \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ed1i n\u1ed1i kh\u1ecfi \u0111\u1ed9 \u1ea9m v\u00e0 b\u1ee5i b\u1ea9n.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gia c\u1ed1 c\u00e1p ngo\u00e0i tr\u1eddi: <\/strong>\u0110\u1ed1i v\u1edbi c\u00e1p l\u1eafp ngo\u00e0i tr\u1eddi, nh\u01b0 tr\u00ean c\u1ed9t \u0111i\u1ec7n ho\u1eb7c d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t, v\u1ecf b\u1ecdc t\u1ed1t s\u1ebd b\u1ea3o v\u1ec7 c\u00e1p kh\u1ecfi \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>B\u01b0\u1edbc 5: Ki\u1ec3m tra k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n<\/strong><\/h3>\n\n\n\n<p>H\u00e3y \u0111\u1ea3m b\u1ea3o x\u00e1c nh\u1eadn r\u1eb1ng vi\u1ec7c s\u1eeda ch\u1eefa c\u1ee7a b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng tr\u01b0\u1edbc khi \u0103n m\u1eebng! V\u00ec v\u1eady, h\u00e3y s\u1eed d\u1ee5ng OTDR. N\u1ebfu \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch, m\u1ed9t l\u1ea7n s\u1eeda ch\u1eefa t\u1ed1t s\u1ebd c\u00f3 m\u1ee9c m\u1ea5t t\u00edn hi\u1ec7u t\u1ed1i thi\u1ec3u (m\u1ea5t d\u01b0\u1edbi 0,1 dB \u0111\u1ed1i v\u1edbi h\u00e0n n\u1ed1i b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00e0n nhi\u1ec7t v\u00e0 m\u1ea5t 0,2\u20130,5 dB \u0111\u1ed1i v\u1edbi h\u00e0n n\u1ed1i c\u01a1 h\u1ecdc).&nbsp;<\/p>\n\n\n\n<p>H\u01a1n n\u1eefa, m\u1ed9t ng\u01b0\u1eddi t\u00ean l\u00e0 Adam Moffett \u0111\u00e3 b\u00ecnh lu\u1eadn tr\u00ean Qoura v\u1ec1 vi\u1ec7c s\u1eeda ch\u1eefa c\u00e1p quang. Anh \u1ea5y l\u00e0 Qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng ISP v\u00e0 anh \u1ea5y n\u00f3i r\u1eb1ng vi\u1ec7c s\u1eeda ch\u1eefa c\u00e1p quang t\u1ea1i nh\u00e0 kh\u00e1 kh\u00f3 kh\u0103n v\u00ec tr\u01b0\u1edbc ti\u00ean, b\u1ea1n ph\u1ea3i nghi\u00ean c\u1ee9u r\u1ea5t nhi\u1ec1u v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u v\u00e0 c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft. Sau \u0111\u00f3, b\u1ea1n \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o v\u1ec1 c\u00e1ch th\u1ef1c hi\u1ec7n n\u1ed1i, v\u00e0 th\u00e1ch th\u1ee9c nh\u1ea5t l\u00e0 b\u1ea3o v\u1ec7 m\u1ed1i n\u1ed1i. V\u00ec v\u1eady, n\u1ebfu b\u1ea1n \u0111\u1ee7 th\u00e1o v\u00e1t, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 m\u00ecnh l\u00e0m \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXdR4H_cX-W9xT8UxlhJuyetmy5rVrrxmnAfhHBm--qvFU2INtmmmCIloHYghhCKQpVB7rRVHdl_fWHRj6t9VmtSYIkG4x4GZ7WMIII6iP50VSfZrCCMHphnUn_Hc6hWLxOIjJg1Dw?key=aJ7ZZJhAthuYT66HjYR5Fb9c\" alt=\"S\u1eec D\u1ee4NG QUORA\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4) Chi ph\u00ed s\u1eeda ch\u1eefa c\u00e1p quang<\/strong><\/h2>\n\n\n\n<p>Chi ph\u00ed s\u1eeda ch\u1eefa c\u00e1p quang c\u00f3 th\u1ec3 r\u1ea5t t\u1ed1n k\u00e9m, nh\u01b0ng n\u00f3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1. V\u00ed d\u1ee5;&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lo\u1ea1i s\u1eeda ch\u1eefa: <\/strong>Vi\u1ec7c c\u1eaft v\u00e0 u\u1ed1n cong d\u1ec5 h\u01a1n, trong khi vi\u1ec7c \u0111\u1ee9t nhi\u1ec1u l\u1ea7n ho\u1eb7c s\u1ee3i b\u1ecb nghi\u1ec1n n\u00e1t kh\u00f3 h\u01a1n v\u00e0 \u0111\u00f2i h\u1ecfi nhi\u1ec1u th\u1eddi gian v\u00e0 v\u1eadt li\u1ec7u h\u01a1n.&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi\u1ec1u d\u00e0i ph\u1ea7n b\u1ecb h\u01b0 h\u1ecfng:<\/strong> Ph\u1ea7n b\u1ecb h\u1ecfng c\u00e0ng nhi\u1ec1u th\u00ec c\u00e0ng c\u1ea7n ph\u1ea3i c\u1eaft v\u00e0 n\u1ed1i v\u00e0o \u0111\u1ea7u kia, t\u1ed1n k\u00e9m v\u1ec1 nh\u00e2n c\u00f4ng v\u00e0 v\u1eadt li\u1ec7u.&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ph\u00ed chuy\u00ean m\u00f4n:<\/strong> Thu\u00ea m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean c\u00e1p quang r\u1ea5t t\u1ed1n k\u00e9m v\u00e0 t\u1ef1 s\u1eeda ch\u1eefa l\u00e0 vi\u1ec7c t\u1ef1 l\u00e0m. C\u00e1c chuy\u00ean gia s\u1eeda ch\u1eefa s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng c\u1ee7a ri\u00eang h\u1ecd, l\u00e0m t\u0103ng chi ph\u00ed.&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft: <\/strong>M\u1eb7c d\u00f9 vi\u1ec7c mua b\u1ed9 d\u1ee5ng c\u1ee5 s\u1eeda ch\u1eefa ch\u1ec9 l\u00e0 kho\u1ea3n chi ph\u00ed m\u1ed9t l\u1ea7n, nh\u01b0ng n\u00f3 s\u1ebd gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m ti\u1ec1n theo th\u1eddi gian, v\u00ec vi\u1ec7c thu\u00ea th\u1ee3 chuy\u00ean nghi\u1ec7p s\u1ebd t\u1ed1n th\u00eam chi ph\u00ed d\u1ecbch v\u1ee5 v\u00e0 c\u00f4ng c\u1ee5.&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u1ecb tr\u00ed c\u1ee7a c\u00e1p:<\/strong> C\u00e1p n\u1eb1m tr\u00ean m\u1eb7t \u0111\u1ea5t d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n; tuy nhi\u00ean, khi c\u00e1p n\u1eb1m d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t, chi ph\u00ed \u0111\u00e0o c\u0169ng nh\u01b0 c\u00e1c c\u00f4ng c\u1ee5 an to\u00e0n s\u1ebd t\u0103ng l\u00ean.&nbsp;<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chi ph\u00ed s\u1eeda ch\u1eefa c\u00e1p quang \u01b0\u1edbc t\u00ednh<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><br><strong>Lo\u1ea1i s\u1eeda ch\u1eefa<\/strong><\/td><td><br><strong>D\u1ef1 to\u00e1n chi ph\u00ed<\/strong><\/td><td><br><strong>\u0110\u1eb7c tr\u01b0ng<\/strong><\/td><\/tr><tr><td><strong>T\u1ef1 s\u1eeda ch\u1eefa<\/strong><\/td><td><em>$100 &#8211; $500<\/em><\/td><td><em>S\u1eed d\u1ee5ng b\u1ed9 d\u1ee5ng c\u1ee5 s\u1eeda ch\u1eefa; ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c v\u1ebft c\u1eaft nh\u1ecf.<\/em><\/td><\/tr><tr><td><strong>S\u1eeda ch\u1eefa chuy\u00ean nghi\u1ec7p nh\u1ecf<\/strong><\/td><td><em>$500 &#8211; $2,000<\/em><\/td><td><em>Bao g\u1ed3m c\u1ea3 vi\u1ec7c n\u1ed1i c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf.<\/em><\/td><\/tr><tr><td><strong>S\u1eeda ch\u1eefa chuy\u00ean nghi\u1ec7p l\u1edbn<\/strong><\/td><td><em>$2,000 &#8211; $5,000<\/em><\/td><td><em>Bao g\u1ed3m nhi\u1ec1u l\u1ea7n ng\u1eaft qu\u00e3ng ho\u1eb7c \u0111o\u1ea1n c\u00e1p d\u00e0i.<\/em><\/td><\/tr><tr><td><strong>S\u1eeda ch\u1eefa quy m\u00f4 l\u1edbn<\/strong><\/td><td><em>$10,000+<\/em><\/td><td><em>D\u00f9ng \u0111\u1ec3 s\u1eeda ch\u1eefa d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t, d\u01b0\u1edbi n\u01b0\u1edbc ho\u1eb7c h\u01b0 h\u1ecfng n\u1eb7ng.<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5) M\u1eb9o \u0111\u1ec3 ng\u0103n ng\u1eeba vi\u1ec7c c\u1eaft c\u00e1p quang trong t\u01b0\u01a1ng lai<\/strong><\/h2>\n\n\n\n<p>Vi\u1ec7c s\u1eeda ch\u1eefa c\u00e1p quang th\u01b0\u1eddng t\u1ed1n k\u00e9m, m\u1ea5t th\u1eddi gian v\u00e0 th\u01b0\u1eddng xuy\u00ean n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ch\u00fa \u00fd \u0111\u00fang m\u1ee9c trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec v\u00e0 x\u1eed l\u00fd. Sau \u0111\u00e2y l\u00e0 c\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 th\u1ef1c hi\u1ec7n khi c\u1ed1 g\u1eafng h\u1ea1n ch\u1ebf nh\u1eefng s\u1eeda ch\u1eefa n\u00e0y:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>i) L\u1eafp \u0111\u1eb7t c\u00e1p \u0111\u00fang c\u00e1ch<\/strong><\/h3>\n\n\n\n<p>B\u1ea1n ph\u1ea3i s\u1eed d\u1ee5ng \u1ed1ng d\u1eabn b\u1ea3o v\u1ec7. C\u00e1c \u1ed1ng d\u1eabn b\u1eb1ng nh\u1ef1a ho\u1eb7c kim lo\u1ea1i n\u00e0y b\u1ea3o v\u1ec7 c\u00e1p kh\u1ecfi \u00e1p l\u1ef1c, th\u1eddi ti\u1ebft v\u00e0 c\u00e1c v\u1ebft c\u1eaft ng\u1eabu nhi\u00ean. H\u01a1n n\u1eefa, b\u1ea1n ph\u1ea3i ch\u00f4n c\u00e1p quang \u1edf \u0111\u1ed9 s\u00e2u t\u1ed1i thi\u1ec3u l\u00e0 3 feet \u0111\u1ec3 tr\u00e1nh r\u1ee7i ro cho ng\u01b0\u1eddi \u0111\u00e0o. Vui l\u00f2ng \u0111\u1ecdc <a href=\"https:\/\/dekam-fiber.com\/vi\/how-deep-is-fiber-optic-cable-buried\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1p quang \u0111\u01b0\u1ee3c ch\u00f4n s\u00e2u bao nhi\u00eau<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>ii) B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean&nbsp;<\/strong><\/h3>\n\n\n\n<p>Ngo\u00e0i ra, c\u00e1p c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u1ecbp th\u1eddi \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c ch\u1ed7 cong v\u00e0 k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo c\u00f3 th\u1ec3 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u00e1p sau n\u00e0y. H\u01a1n n\u1eefa, b\u1ea1n n\u00ean d\u00e1n b\u0103ng r\u00f4n ghi nh\u00e3n c\u00e1p ch\u00f4n ng\u1ea7m. Nh\u1eefng \u0111i\u1ec1u n\u00e0y s\u1ebd ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng ho\u1eb7c l\u00e0m c\u1ea3nh quan.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>iii) \u0110\u00e0o t\u1ea1o c\u00f4ng nh\u00e2n v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean<\/strong><\/h3>\n\n\n\n<p>Cu\u1ed1i c\u00f9ng, c\u00f4ng nh\u00e2n ph\u1ea3i \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o v\u1ec1 c\u00e1c tuy\u1ebfn c\u00e1p quang hi\u1ec7n c\u00f3 v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o \u0111\u1ec3 x\u1eed l\u00fd khu v\u1ef1c n\u00e0y m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn. H\u00e3y nh\u1edb ph\u1ea3i h\u1ebft s\u1ee9c th\u1eadn tr\u1ecdng trong c\u00e1c khu v\u1ef1c thi c\u00f4ng v\u00ec &#039;nhi\u1ec1u v\u1ee5 c\u1eaft c\u00e1p l\u00e0 do \u0111\u00e0o, khoan ho\u1eb7c s\u1eed d\u1ee5ng m\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng&#039;. S\u1ef1 c\u1ea9n tr\u1ecdng c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba nh\u1eefng vi ph\u1ea1m t\u1ed1n k\u00e9m nh\u01b0 v\u1eady.&nbsp;<\/p>\n\n\n\n<p>Nh\u1eefng h\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n cho c\u00e1p quang c\u1ee7a b\u1ea1n, gi\u1ea3m thi\u1ec3u vi\u1ec7c s\u1eeda ch\u1eefa v\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1ng tin c\u1eady trong th\u1eddi gian d\u00e0i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6) Ph\u00e1n quy\u1ebft cu\u1ed1i c\u00f9ng<\/strong><\/h2>\n\n\n\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c c\u1eaft c\u00e1p quang c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c, nh\u01b0ng v\u1edbi nh\u1eefng h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n ch\u1eafc ch\u1eafn s\u1ebd b\u1ea3o to\u00e0n \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i c\u1ee7a m\u00ecnh trong th\u1eddi gian ng\u1eafn. V\u00ec v\u1eady, h\u00e3y t\u1ef1 l\u00e0m ho\u1eb7c nh\u1edd \u0111\u1ebfn chuy\u00ean gia; b\u1ea5t k\u1ec3 b\u1ea1n ch\u1ecdn ph\u01b0\u01a1ng \u00e1n n\u00e0o, vi\u1ec7c s\u1eeda ch\u1eefa \u0111\u00fang c\u00e1ch s\u1ebd b\u1ea3o to\u00e0n \u0111\u01b0\u1ee3c ch\u1ee9c n\u0103ng trong m\u1ed9t th\u1eddi gian.\u00a0<\/p>\n\n\n\n<p>Tuy nhi\u00ean, \u0111\u1ec3 tr\u00e1nh v\u1ea5n \u0111\u1ec1 n\u00e0y trong t\u01b0\u01a1ng lai, h\u00e3y mua c\u00e1p c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng h\u1ee3p l\u00fd t\u1eeb c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 uy t\u00edn. V\u00ec v\u1eady, <a href=\"https:\/\/dekam-fiber.com\/vi\/\" target=\"_blank\" rel=\"noreferrer noopener\">ti\u1ebfp x\u00fac v\u1edbi s\u1ee3i Dekam.<\/a> We specialize in providing customized fiber solutions to meet our customers&#8217; needs. Moreover, our products are exported to over 35 countries and we are generating an annual revenue of about 50 million RMB. So, explore our products to sustain your network\u2019s optimal performance.<\/p>","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c c\u00e1p quang b\u1ecb \u0111\u1ee9t c\u00f3 th\u1ec3 r\u1ea5t \u0111\u00e1ng b\u00e1o \u0111\u1ed9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi g\u1eb7p c\u00e1c s\u1ef1 c\u1ed1 nh\u01b0 m\u1ea5t t\u00edn hi\u1ec7u, gi\u00e1n \u0111o\u1ea1n internet, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 l\u1ed7i m\u1ea1ng. Tuy nhi\u00ean, b\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i lo l\u1eafng! S\u1ef1 c\u1ed1 v\u1eabn c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c. N\u1ebfu b\u1ea1n c\u00f3 \u0111\u1ee7 c\u00f4ng c\u1ee5 v\u00e0 ki\u1ebfn th\u1ee9c, ch\u1eafc ch\u1eafn b\u1ea1n s\u1ebd t\u00ecm ra gi\u1ea3i ph\u00e1p. Cho d\u00f9 b\u1ea1n c\u00f3 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n [\u2026]<\/p>","protected":false},"author":1,"featured_media":18491,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"A Detailed Guide to Repairing Cut Fiber Optic Cables","_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-18695","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\/18695","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=18695"}],"version-history":[{"count":2,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18695\/revisions"}],"predecessor-version":[{"id":18715,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/posts\/18695\/revisions\/18715"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/media\/18491"}],"wp:attachment":[{"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/media?parent=18695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/categories?post=18695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dekam-fiber.com\/vi\/wp-json\/wp\/v2\/tags?post=18695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}