{"id":6648,"date":"2025-12-22T16:20:31","date_gmt":"2025-12-22T09:20:31","guid":{"rendered":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/?p=6648"},"modified":"2025-12-22T16:20:31","modified_gmt":"2025-12-22T09:20:31","slug":"huong-dan-cach-bam-day-mang-nhanh-va-chuan","status":"publish","type":"post","link":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/huong-dan-cach-bam-day-mang-nhanh-va-chuan\/","title":{"rendered":"H\u01b0\u1edbng d\u1ea9n c\u00e1ch b\u1ea5m d\u00e2y m\u1ea1ng nhanh v\u00e0 chu\u1ea9n"},"content":{"rendered":"<h3>1. T\u1ea1i sao ch\u00fang ta n\u00ean trang b\u1ecb ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n c\u1ee7a vi\u1ec7c b\u1ea5m d\u00e2y c\u00e1p m\u1ea1ng?<\/h3>\n<ul>\n<li>Vi\u1ec7c k\u1ebft n\u1ed1i m\u1ea1ng internet hi\u1ec7n nay c\u00f3 nhi\u1ec1u c\u00e1ch. \u0110\u1ec3 thu\u1eadn ti\u1ec7n cho ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng wifi \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb laptop, \u0111i\u1ec7n tho\u1ea1i, m\u00e1y in, camera,&#8230;.<\/li>\n<li>Tuy nhi\u00ean v\u1edbi m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, sever v\u1ea9n ph\u1ea3i l\u1ef1a ch\u1ecdn k\u1ebft n\u1ed1i th\u00f4ng qua d\u00e2y c\u00e1p m\u1ea1ng. H\u01a1n n\u1eefa, n\u1ebfu m\u00fan laptop v\u00e0 c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng lu\u00f4n trong tr\u1ea1ng th\u00e1i t\u00edn hi\u1ec7u \u1ed5n \u0111\u1ecbnh d\u00f9 kho\u1ea3ng c\u00e1ch xa modem ch\u00ednh, \u0111\u1ecba h\u00ecnh ch\u1eafn s\u00f3ng, hay ch\u00fang ta qu\u00ean m\u1eadt kh\u1ea9u wifi th\u00ec s\u1eed d\u1ee5ng d\u00e2y c\u00e1p m\u1ea1ng v\u1ea9n l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u nh\u1ea5t.<\/li>\n<li>V\u1eady l\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 b\u1ea5m d\u00e2y m\u1ea1ng khi ch\u00fang b\u1ecb h\u1ecfng \u0111\u1ea7u b\u1ea5m? Khi mua d\u00e2y m\u1ea1ng m\u00e0 anh k\u1ef9 thu\u1eadt vi\u00ean qu\u00ean b\u1ea5m \u0111\u1ea7u m\u1ea1ng? Ch\u00fang ta m\u00fan t\u1ef1 chia v\u00e0 b\u1ea5m \u0111\u1ea7u m\u1ea1ng t\u1ea1i nh\u00e0 c\u1ee7a m\u00ecnh? Hay ch\u00fang ta l\u00e0 k\u1ef9 thu\u1eadt m\u1ea1ng c\u1ee7a m\u1ed9t c\u00f4ng ty, tr\u01b0\u1eddng h\u1ecdc? Vi\u1ec7c b\u1ea5m d\u00e2y m\u1ea1ng trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3 l\u00e0 \u0111i\u1ec1u t\u1ed1i thi\u1ec3u m\u00e0 ch\u00fang ta ph\u1ea3i bi\u1ebft v\u00e0 ch\u00fang kh\u00f4ng h\u1ec1 kh\u00f3 kh\u0103n nh\u01b0 b\u1ea1n ngh\u0129.<\/li>\n<\/ul>\n<p><span style=\"font-family: 'book antiqua', palatino, serif;\"><em>Trong b\u00e0i vi\u1ebft n\u00e0y, <a href=\"https:\/\/taingo.name.vn\/\" target=\"_blank\" rel=\"noopener\">Tin H\u1ecdc T&amp;C Nha Trang<\/a> s\u1ebd h\u01b0\u1edbng d\u1eabn cho c\u00e1c b\u1ea1n c\u00e1ch b\u1ea5m d\u00e2y m\u1ea1ng m\u1ed9t c\u00e1ch chi ti\u1ebft v\u00e0 d\u1ec5 hi\u1ec3u nh\u1ea5t.<\/em><\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6650\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/cac-loai-day-mang.webp\" alt=\"\" width=\"586\" height=\"319\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/cac-loai-day-mang.webp 586w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/cac-loai-day-mang-300x163.webp 300w\" sizes=\"(max-width: 586px) 100vw, 586px\" \/><\/p>\n<h3>2. C\u00f3 m\u1ea5y ki\u1ec3u b\u1ea5m d\u00e2y m\u1ea1ng<\/h3>\n<h4>\u00a0 \u00a0 \u00a02.1 C\u00f3 hai ki\u1ec3u chu\u1ea9n b\u1ea5m c\u00e1p l\u00e0 T568A (chu\u1ea9n A) v\u00e0 T568B (chu\u1ea9n B)<\/h4>\n<p><span style=\"font-family: 'book antiqua', palatino, serif;\"><em>Quy \u0111\u1ecbnh v\u1ec1 th\u1ee9 t\u1ef1 m\u00e0u s\u1eafc c\u1ee7a d\u00e2y nh\u01b0 sau, ch\u00fang ta c\u00f3 th\u1ec3 xem r\u00f5 h\u01a1n trong h\u00ecnh minh ho\u1ea1 d\u01b0\u1edbi \u0111\u00e2y.<\/em><\/span><\/p>\n<ul>\n<li>Chu\u1ea9n T568A: Tr\u1eafng xanh l\u00e1 &#8211; xanh l\u00e1 &#8211; tr\u1eafng cam &#8211; xanh d\u01b0\u1edbng &#8211; tr\u1eafng xanh d\u01b0\u01a1ng &#8211; cam &#8211; tr\u1eafng n\u00e2u &#8211; n\u00e2u<\/li>\n<li>Chu\u1ea9n T568B: Tr\u1eafng cam &#8211; cam &#8211; tr\u1eafng xanh l\u00e1 &#8211; xanh d\u01b0\u01a1ng &#8211; tr\u1eafng xanh d\u01b0\u01a1ng &#8211; xanh l\u00e1 &#8211; tr\u1eafng n\u00e2u &#8211; n\u00e2u<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6652\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/hinh-anh-minh-hoa-thu-tu-bam-day-mang-chuan-a-b1_11zon.webp\" alt=\"\" width=\"720\" height=\"331\" \/><\/p>\n<h4>\u00a0 \u00a0 \u00a02.2 C\u00f3 hai ki\u1ec3u b\u1ea5m d\u00e2y m\u1ea1ng l\u00e0 b\u1ea5m th\u1eb3ng v\u00e0 b\u1ea5m ch\u00e9o<\/h4>\n<p><span style=\"font-family: 'book antiqua', palatino, serif;\"><em>S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa chu\u1ea9n A v\u00e0 chu\u1ea9n b khi b\u1ea5m 2 \u0111\u1ea7u c\u00e1p t\u1ea1o ra 2 ki\u1ec3u b\u1ea5m d\u00e2y m\u1ea1ng kh\u00e1c nhau.<\/em><\/span><\/p>\n<ul>\n<li>B\u1ea5m th\u1eb3ng: l\u00e0 khi b\u1ea5m ch\u00fang ta b\u1ea5m 2 \u0111\u1ea7u c\u00e1p m\u1ea1ng c\u00f9ng 1 chu\u1ea9n (A ho\u1eb7c B). Ki\u1ec3u n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i 2 thi\u1ebft b\u1ecb kh\u00e1c lo\u1ea1i l\u1ea1i v\u1edbi nhau. VD: PC + Switch, Switch + Router<\/li>\n<li>B\u1ea5m ch\u00e9o: l\u00e0 khi ch\u00fang ta b\u1ea5m 2 \u0111\u1ea7u c\u00e1p m\u1ea1ng kh\u00e1c chu\u1ea9n (1 \u0111\u1ea7u chu\u1ea9n A v\u00e0 1 \u0111\u1ea7u chu\u1ea9n B). Ki\u1ec3u n\u00e0y d\u00f9ng \u0111\u1ec3 n\u1ed1i 2 thi\u1ebft b\u1ecb c\u00f9ng lo\u1ea1i l\u1ea1i v\u1edbi nhau. VD: PC &#8211; PC,\u00a0 Router &#8211; Router<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6653\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/cap_thang_va_cap_cheo.png\" alt=\"\" width=\"420\" height=\"280\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/cap_thang_va_cap_cheo.png 420w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/cap_thang_va_cap_cheo-300x200.png 300w\" sizes=\"(max-width: 420px) 100vw, 420px\" \/><\/p>\n<h4>\u00a0 \u00a0 \u00a02.3 B\u1ea5m d\u00e2y m\u1ea1ng 2 \u0111\u1ea7u kh\u00f4ng theo chu\u1ea9n A ho\u1eb7c B c\u00f3 \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h4>\n<ul>\n<li>Nhi\u1ec1u ng\u01b0\u1eddi quan ni\u1ec7m ch\u1ec9 c\u1ea7n b\u1ea5m d\u00e2y cho th\u1ee9 t\u1ef1 m\u00e0u d\u00e2y 2 \u0111\u1ea7u kh\u00f4ng gi\u1ed1ng nhau, kh\u00f4ng c\u1ea7n ph\u1ea3i theo chu\u1ea9n A hay B, \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng \u0111\u00fang.<\/li>\n<li>N\u1ebfu kh\u00f4ng b\u1ea5m d\u00e2y m\u1ea1ng theo \u0111\u00fang chu\u1ea9n, d\u00e2y m\u1ea1ng v\u1ea9n d\u00f9ng \u0111\u01b0\u1ee3c nh\u01b0ng kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u do kh\u00f4ng kh\u1eed h\u1ebft nhi\u1ec5u \u0111i\u1ec7n t\u1eed.<\/li>\n<li>\n<p data-start=\"316\" data-end=\"372\">N\u1ebfu b\u1ea5m 2 \u0111\u1ea7u kh\u00f4ng theo A ho\u1eb7c B (m\u00e0u d\u00e2y l\u1ed9n x\u1ed9n):<\/p>\n<ul data-start=\"375\" data-end=\"509\">\n<li data-start=\"375\" data-end=\"406\">\n<p data-start=\"377\" data-end=\"406\">\u00a0C\u00f3 th\u1ec3 kh\u00f4ng nh\u1eadn m\u1ea1ng<\/p>\n<\/li>\n<li data-start=\"409\" data-end=\"472\">\n<p data-start=\"411\" data-end=\"472\">C\u00f3 th\u1ec3 ch\u1ec9 ch\u1ea1y 10\u2013100 Mbps, kh\u00f4ng l\u00ean \u0111\u01b0\u1ee3c 1 Gbps<\/p>\n<\/li>\n<li data-start=\"475\" data-end=\"509\">\n<p data-start=\"477\" data-end=\"509\">\u00a0D\u1ec5 m\u1ea5t k\u1ebft n\u1ed1i, ch\u1eadp ch\u1eddn<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>K\u1ebft lu\u1eadn, v\u1ec1 th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 d\u00f9ng t\u1ea1m trong 1 s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t. V\u1ec1 k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau chu\u1ea9n th\u00ec kh\u00f4ng \u0111\u00fang chu\u1ea9n kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng. V\u1ec1 l\u00e2u d\u00e0i ch\u00fang ta n\u00ean b\u1ea5m \u0111\u00fang chu\u1ea9n T568A ho\u1eb7c T568B cho c\u1ea3 hai \u0111\u1ea7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh, t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec.<\/li>\n<\/ul>\n<h3>3. Chu\u1ea9n b\u1ecb d\u1ee5ng c\u1ee5 b\u1ea5m d\u00e2y m\u1ea1ng<\/h3>\n<p><span style=\"font-family: 'book antiqua', palatino, serif;\"><em>\u0110\u1ec3 b\u1ea5m d\u00e2y m\u1ea1ng, ch\u00fang ta chu\u1ea9n b\u1ecb nh\u1eefng d\u1ee5ng c\u1ee5 sau:<\/em><\/span><\/p>\n<ul>\n<li>D\u00e2y c\u00e1p m\u1ea1ng: Tu\u1ef3 theo nhu c\u1ea7n s\u1eed d\u1ee5ng d\u00e2y ng\u1eafn kh\u00e1c nhau, c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i d\u00e2y cat5 v\u00e0 cat6 cho b\u1ea1n l\u1ef1a ch\u1ecdn.<\/li>\n<li>K\u00ecm b\u1ea5m c\u00e1p m\u1ea1ng: Ch\u00fang ta n\u00ean l\u1ef1a ch\u1ecdn c\u00e1c k\u00ecm b\u1ea5m m\u1ea1ng ch\u00ednh h\u00e3ng \u0111\u1ec3 b\u1ea5m c\u00e1p c\u00f3 \u0111\u1ed9 hi\u1ec7u qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 t\u1ed1t nh\u1ea5t cho \u0111\u1ea7u m\u1ea1ng.<\/li>\n<li>H\u1ea1t m\u1ea1ng RJ45: Ch\u00fang ta n\u00ean chu\u1ea9n b\u1ecb 10 &#8211; 20 chi\u1ebfc \u0111\u1ec3 ph\u00f2ng ng\u1eeda khi b\u1ea5m h\u1ecfng ho\u1eb7c h\u01b0 h\u1ea1t m\u1ea1ng. ch\u00fang ta c\u00f3 th\u1ec3 d\u00f9ng h\u1ea1t RJ45 AMP nh\u1ef1a ho\u1eb7c RJ45 b\u1ecdc s\u1eaft \u0111\u1ec1u \u0111\u01b0\u1ee3c.<\/li>\n<li>H\u1ed9p test d\u00e2y m\u1ea1ng: D\u00f9ng \u0111\u1ec3 ch\u00fang ta test th\u1eed d\u00e2y m\u1ea1ng sau khi b\u1ea5m xem \u0111\u00e3 b\u1ea5m \u0111\u00fang chu\u1ea9n A ho\u1eb7c B hay ch\u01b0a? C\u00f3 d\u00e2y n\u00e0o m\u1ea5t t\u00edn hi\u1ec7u kh\u00f4ng?<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-6661 size-large\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/unnamed-1-1024x768.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/unnamed-1-1024x768.jpg 1024w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/unnamed-1-300x225.jpg 300w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/unnamed-1-768x576.jpg 768w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/unnamed-1-1536x1152.jpg 1536w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/unnamed-1-2048x1536.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>4. C\u00e1ch b\u1ea5m d\u00e2y m\u1ea1ng<\/h3>\n<p><strong>\u00a0 \u00a0 \u00a04.1 B\u1ea5m d\u00e2y m\u1ea1ng theo chu\u1ea9n B<\/strong><\/p>\n<p><strong>B\u01b0\u1edbc 1: Ch\u00fang ta c\u1eaft l\u1edbp v\u1ecf d\u00e2y c\u00e1p m\u1ea1ng<\/strong><\/p>\n<ul>\n<li>D\u00f9ng k\u00ecm b\u1ea5m m\u1ea1ng ho\u1eb7c k\u00e9o \u0111\u1ec3 c\u1eaft b\u1ecf l\u1edbp v\u1ecf c\u00e1p m\u1ea1ng kho\u1ea3ng 4cm, c\u00f3 th\u1ec3 c\u1eaft d\u00e0i th\u00eam ch\u00fat \u0111\u1ec3 s\u1eafp x\u1ebfp m\u00e0u cho d\u1ec5.<\/li>\n<li>Th\u1ef1c hi\u1ec7n tu\u1ed1t v\u1ecf d\u00e2y sao cho kh\u00f4ng \u0111\u1ec3 c\u1eaft v\u00e0o ph\u1ea7n l\u00f5i.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-6665 size-full\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352753095075_ec640e16a0508ce81e3a9a74b9d72750.jpg\" alt=\"\" width=\"1920\" height=\"2560\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352753095075_ec640e16a0508ce81e3a9a74b9d72750.jpg 1920w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352753095075_ec640e16a0508ce81e3a9a74b9d72750-225x300.jpg 225w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352753095075_ec640e16a0508ce81e3a9a74b9d72750-768x1024.jpg 768w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352753095075_ec640e16a0508ce81e3a9a74b9d72750-1152x1536.jpg 1152w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352753095075_ec640e16a0508ce81e3a9a74b9d72750-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 2: Ta S\u1eafp x\u1ebfp v\u1ecb tr\u00ed 8 l\u00f5i d\u00e2y theo \u0111\u00fang chu\u1ea9n B<\/strong><\/p>\n<ul>\n<li>G\u1ee1 v\u00e0 vu\u1ed1t th\u1eb3ng 4 c\u1eb7p l\u00f5i d\u00e2y xo\u1eafn \u0111\u00f4i ra.<\/li>\n<li>X\u1ebfp d\u00e2y theo th\u1ee9 t\u1ef1 nh\u01b0 sau: Tr\u1eafng cam &#8211; cam &#8211; tr\u1eafng xanh l\u00e1 &#8211; xanh d\u01b0\u01a1ng &#8211; tr\u1eafng xanh d\u01b0\u01a1ng &#8211; xanh l\u00e1 &#8211; tr\u1eafng n\u00e2u &#8211; n\u00e2u<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6667\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352784537353_d07de72dd1f4bce91c029397acd476b2.jpg\" alt=\"\" width=\"1920\" height=\"2560\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352784537353_d07de72dd1f4bce91c029397acd476b2.jpg 1920w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352784537353_d07de72dd1f4bce91c029397acd476b2-225x300.jpg 225w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352784537353_d07de72dd1f4bce91c029397acd476b2-768x1024.jpg 768w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352784537353_d07de72dd1f4bce91c029397acd476b2-1152x1536.jpg 1152w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352784537353_d07de72dd1f4bce91c029397acd476b2-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 3:Ti\u1ebfp theo c\u1eaft \u0111\u1ea7u l\u00f5i d\u00e2y b\u1eb1ng k\u00ecm b\u1ea5m m\u1ea1ng ho\u1eb7c k\u00e9o<\/strong><\/p>\n<ul>\n<li>X\u1ebfp c\u00e1c d\u00e2y s\u00e1t nhau, vu\u1ed1t th\u1eb3ng 1 l\u1ea7n n\u1eefa, d\u00f9ng k\u00ecm ho\u1eb7c k\u00e9o c\u1eaft \u0111\u1ea7u l\u00f5i d\u00e2y \u0111\u1ed3ng b\u1eb1ng nhau<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6671\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352808181870_2b5f5415a66d95a9ad0c8b226dfe9e05.jpg\" alt=\"\" width=\"1920\" height=\"2560\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352808181870_2b5f5415a66d95a9ad0c8b226dfe9e05.jpg 1920w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352808181870_2b5f5415a66d95a9ad0c8b226dfe9e05-225x300.jpg 225w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352808181870_2b5f5415a66d95a9ad0c8b226dfe9e05-768x1024.jpg 768w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352808181870_2b5f5415a66d95a9ad0c8b226dfe9e05-1152x1536.jpg 1152w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352808181870_2b5f5415a66d95a9ad0c8b226dfe9e05-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 4: Ch\u00fang ta ti\u1ebfn h\u00e0nh b\u1ea5m d\u00e2y m\u1ea1ng<\/strong><\/p>\n<ul>\n<li>\u0110\u1ec3 ng\u1eefa h\u1ea1t m\u1ea1ng (ph\u1ea7n l\u00e1 \u0111\u1ed3ng h\u01b0\u1edbng l\u00ean tr\u00ean), d\u00f9ng l\u1ef1c ng\u00f3n c\u00e1i v\u00e0 ng\u00f3n tr\u1ecf kh\u00e9o l\u00e9o \u0111\u00fat \u0111\u1ea7u c\u00e1p th\u1eadt s\u00e2u, sao cho c\u00e1c l\u00f5i \u0111\u1ed3ng \u0111\u1ec1u ch\u1ea1m \u0111\u1ea7u tr\u00ean c\u1ee7a h\u1ea1t m\u1ea1ng.<\/li>\n<li>Th\u1ee9 t\u1ef1 m\u00e0u d\u00e2y t\u00ednh t\u1eeb b\u1ebfn tr\u00e1i qua ph\u1ea3i t\u01b0\u01a1ng \u1ee9ng v\u1edbi v\u1ecb tr\u1ecb 8 l\u00e1 \u0111\u1ed3ng tr\u00ean h\u1ea1t m\u1ea1ng.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6674\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352820698192_0bbe8425ada70916e7af9fec51a03987.jpg\" alt=\"\" width=\"1920\" height=\"2560\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352820698192_0bbe8425ada70916e7af9fec51a03987.jpg 1920w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352820698192_0bbe8425ada70916e7af9fec51a03987-225x300.jpg 225w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352820698192_0bbe8425ada70916e7af9fec51a03987-768x1024.jpg 768w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352820698192_0bbe8425ada70916e7af9fec51a03987-1152x1536.jpg 1152w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352820698192_0bbe8425ada70916e7af9fec51a03987-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<ul>\n<li>Nh\u00e9t \u0111\u1ea7u m\u1ea1ng v\u00e0o k\u00ecm sao cho r\u0103ng c\u1ee7a k\u00ecm b\u1ea5m kh\u1edbp v\u1edbi 8 l\u00e1 \u0111\u1ed3ng c\u1ee7a h\u1ea1t m\u1ea1ng, b\u1ea5m m\u1ea1nh v\u00e0 th\u1eadt l\u00e0 d\u1ee9t kho\u00e1t.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6676\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352862046234_21d290c8978b4a0269971619a5bd1e37.jpg\" alt=\"\" width=\"1920\" height=\"2560\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352862046234_21d290c8978b4a0269971619a5bd1e37.jpg 1920w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352862046234_21d290c8978b4a0269971619a5bd1e37-225x300.jpg 225w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352862046234_21d290c8978b4a0269971619a5bd1e37-768x1024.jpg 768w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352862046234_21d290c8978b4a0269971619a5bd1e37-1152x1536.jpg 1152w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352862046234_21d290c8978b4a0269971619a5bd1e37-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 5: B\u1ea1n B\u1ea5m \u0111\u1ea7u m\u1ea1ng c\u00f2n l\u1ea1i t\u01b0\u01a1ng \u1ee9ng<\/strong><\/p>\n<ul>\n<li>Th\u1ef1c hi\u1ec7n thao t\u00e1c t\u1eeb b\u01b0\u1edbc 1 \u0111\u1ebfn b\u01b0\u1edbc 4 v\u1edbi \u0111\u1ea7u d\u00e2y m\u1ea1ng c\u00f2n l\u1ea1i.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6680\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352882157128_62e0c93cc6c3e81e76853e821217b1e6.jpg\" alt=\"\" width=\"1920\" height=\"2560\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352882157128_62e0c93cc6c3e81e76853e821217b1e6.jpg 1920w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352882157128_62e0c93cc6c3e81e76853e821217b1e6-225x300.jpg 225w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352882157128_62e0c93cc6c3e81e76853e821217b1e6-768x1024.jpg 768w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352882157128_62e0c93cc6c3e81e76853e821217b1e6-1152x1536.jpg 1152w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352882157128_62e0c93cc6c3e81e76853e821217b1e6-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<p><strong>B\u01b0\u1edbc 6: Ch\u00fang ta ti\u1ebfn h\u00e0nh test d\u00e2y m\u1ea1ng v\u1eeba b\u1ea5m<\/strong><\/p>\n<ul>\n<li>D\u00f9ng h\u1ed9p test m\u1ea1ng c\u1eafm 2 \u0111\u1ea7u d\u00e2y v\u1eeba b\u1ea5m v\u00e0o. H\u1ed9p test s\u00e1ng \u0111\u00e8n theo th\u1ee9 t\u1ef1 t\u1eeb 1 \u0111\u1ebfn 8 l\u00e0 \u0111\u01b0\u1ee3c.<\/li>\n<li>N\u1ebfu kh\u00f4ng c\u00f3 h\u1ed9p test m\u1ea1ng, ch\u00fang ta c\u1eafm d\u00e2y m\u1ea1ng v\u1eeba b\u1ea5m tr\u1ef1c ti\u1ebfp v\u00e0o Switch, modem ho\u1eb7c laptop, n\u1ebfu th\u00f4ng m\u1ea1ng l\u00e0 ok.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6683\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352928589974_8bec7a632bded49cb4e81e7801095604.jpg\" alt=\"\" width=\"1920\" height=\"2560\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352928589974_8bec7a632bded49cb4e81e7801095604.jpg 1920w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352928589974_8bec7a632bded49cb4e81e7801095604-225x300.jpg 225w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352928589974_8bec7a632bded49cb4e81e7801095604-768x1024.jpg 768w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352928589974_8bec7a632bded49cb4e81e7801095604-1152x1536.jpg 1152w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352928589974_8bec7a632bded49cb4e81e7801095604-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/p>\n<p><strong>4.2 B\u1ea5m d\u00e2y m\u1ea1ng theo chu\u1ea9n A<\/strong><\/p>\n<ul>\n<li>\u00a0V\u1ec1 c\u01a1 b\u1ea3n, c\u00e1ch b\u1ea5m d\u00e2y m\u1ea1ng theo chu\u1ea9n A c\u0169ng d\u00fang nh\u01b0 chu\u1ea9n B. Ch\u1ec9 kh\u00e1c vi\u1ec7c ch\u00fang ta ph\u1ea3i s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 d\u00e2y m\u1ea1ng<\/li>\n<li>Chu\u1ea9n A ch\u00fang ta s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1 nh\u01b0 sau: Tr\u1eafng xanh l\u00e1 &#8211; xanh l\u00e1 &#8211; tr\u1eafng cam &#8211; xanh d\u01b0\u1edbng &#8211; tr\u1eafng xanh d\u01b0\u01a1ng &#8211; cam &#8211; tr\u1eafng n\u00e2u &#8211; n\u00e2u.<\/li>\n<\/ul>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6693\" src=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352982251773_bf1bd8f2ee39971546565dff22343fd9.jpg\" alt=\"\" width=\"1536\" height=\"1024\" srcset=\"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352982251773_bf1bd8f2ee39971546565dff22343fd9.jpg 1536w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352982251773_bf1bd8f2ee39971546565dff22343fd9-300x200.jpg 300w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352982251773_bf1bd8f2ee39971546565dff22343fd9-1024x683.jpg 1024w, http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-content\/uploads\/2025\/12\/z7352982251773_bf1bd8f2ee39971546565dff22343fd9-768x512.jpg 768w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/p>\n<h3>5. M\u1ed9t s\u1ed1 l\u01b0u \u00fd khi ch\u00fang ta b\u1ea5m d\u00e2y m\u1ea1ng<\/h3>\n<p><strong>\u00a0 \u00a0 \u00a05.1 L\u01b0u \u00fd khi b\u1ea1n ch\u1ecdn d\u1ee5ng c\u1ee5 b\u1ea5m m\u1ea1ng<\/strong><\/p>\n<ul>\n<li>Kh\u00f4ng ch\u1ecdn k\u00ecm b\u1ea5m m\u1ea1n nhi\u1ec1u ch\u1ee9c n\u0103ng qu\u00e1 s\u1ebd kh\u00f3 b\u1ea5m (Talon, AMP,&#8230;), <a href=\"https:\/\/taingo.name.vn\/Kem-bam-dau-mang-RJ45---RJ11---Xanh---Thuong-item-2723.html\" target=\"_blank\" rel=\"noopener\">k\u00ecm b\u1ea5m \u0111\u1ea7u m\u1ea1ng RJ45 &#8211; RJ11 &#8211; xanh &#8211; th\u01b0\u1eddng<\/a> l\u00e0 k\u00ecm d\u1ec5 b\u1ea5m nh\u1ea5t.<\/li>\n<li>Kh\u00f4ng ch\u1ecdn h\u1ea1t m\u1ea1ng k\u00e9m ch\u1ea5t l\u01b0\u01a1ng: H\u1ea1t c\u00f3 ch\u00e2n \u0111\u1ed3ng m\u1ecfng, nh\u1ef1a d\u1ec5 v\u1edf khi b\u1ea5m s\u1ebd h\u1ecfng li\u00ean t\u1ee5c, h\u1ea1t c\u00f3 l\u1ed7 \u0111\u00fat d\u00e2y qu\u00e1 to n\u00ean kh\u00f4ng gi\u1eef c\u1ed1 \u0111\u01b0\u1ee3c d\u00e2y. N\u00ean ch\u1ecdn <a href=\"https:\/\/taingo.name.vn\/Phu-Kien-Mang-kinditem-447.html\" target=\"_blank\" rel=\"noopener\">h\u1ea1t RJ45 AMP nh\u1ef1a d\u1ebbo ho\u1eb7c RJ45 b\u1ecdc s\u1eaft<\/a> ch\u00fang t\u00f4i \u0111ang b\u00e1n.<\/li>\n<li>Kh\u00f4ng n\u00ean ch\u1ecdn d\u00e2y m\u1ea1ng l\u00f5i qu\u00e1 nh\u1ecf ho\u1eb7c qu\u00e1 c\u1ee9ng: Ng\u01b0\u1eddi m\u1edbi b\u1ea5m s\u1ebd r\u1ea5t kh\u00f3 b\u1ea5m d\u00e2y<\/li>\n<\/ul>\n<p><strong>\u00a0 \u00a05.2 L\u01b0u \u00fd trong qu\u00e1 tr\u00ecnh b\u1ea5m d\u00e2y m\u1ea1ng<\/strong><\/p>\n<ul>\n<li>C\u00e1c d\u00e2y \u0111\u1ed3ng ph\u1ea3i s\u00e1t v\u1edbi \u0111\u1ea7u h\u1ea1t m\u1ea1ng: N\u1ebfu kh\u00f4ng s\u00e1t, l\u00e1 \u0111\u1ed3ng c\u1ee7a h\u1ea1t m\u1ea1ng s\u1ebd kh\u00f4ng ghim v\u00e0o d\u00e2y \u0111\u1ed3ng, d\u00e2y m\u1ea1ng s\u1ebd kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u. Bi\u1ec3u hi\u1ec7n khi ch\u00fang ta th\u1eed b\u1eb1ng h\u1ed9p test l\u00e0 c\u00f3 \u0111\u00e8n s\u00e1ng \u0111\u00e8n kh\u00f4ng.<\/li>\n<li>Nh\u00ecn k\u0129 v\u1ecb tr\u00ed m\u00e0u c\u1ee7a l\u00f5i d\u00e2y tr\u01b0\u1edbc khi b\u1ea5m xem \u0111\u00fang chu\u1ea9n A ho\u1eb7c B ch\u01b0a.<\/li>\n<li>L\u1eaby nh\u1ef1a c\u1ee7a h\u1ea1t m\u1ea1ng ph\u1ea3i ghim v\u00e0o ph\u1ea7n nh\u1ef1a ch\u01b0a c\u1eaft c\u1ee7a d\u00e2y, nh\u01b0 v\u1eady l\u00f5i d\u00e2y m\u1edbi \u0111\u01b0\u1ee3c gi\u1eef c\u1ed1 \u0111\u1ecbnh sau khi b\u1ea5m.<\/li>\n<li>Tr\u00e1nh b\u1ea5m k\u00ecm qu\u00e1 m\u1ea1nh l\u00e0 v\u1ee1 \u0111\u1ea7u h\u1ea1t m\u1ea1ng.<\/li>\n<li>Th\u1eed d\u00e2y sau khi b\u1ea5m b\u1eb1ng c\u1ea3 h\u1ed9p test v\u00e0 laptop. Tr\u00e1nh tr\u01b0\u1eddng h\u1ee3p th\u1eed b\u1eb1ng h\u1ed9p test th\u00ec s\u00e1ng \u0111\u1ee7 8 \u0111\u00e8n 2 b\u00ean ho\u1eb7c \u1edf tr\u00ean v\u00e0 d\u01b0\u1edbi nh\u01b0ng khi c\u1eafm v\u00e0o laptop l\u1ea1i kh\u00f4ng c\u00f3 m\u1ea1ng do d\u00e2y qu\u00e1 d\u00e0i n\u00ean kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u.<\/li>\n<\/ul>\n<p><span style=\"font-family: 'book antiqua', palatino, serif;\"><em>Tr\u00ean \u0111\u00e2y ch\u00fang t\u00f4i \u0111\u00e3 tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 ti\u1ebfn h\u00e0nh b\u1ea5m d\u00e2y c\u00e1p m\u1ea1ng bao g\u1ed3m: T\u00ecm hi\u1ec3u chu\u1ea9n b\u1ea5m d\u00e2y, chu\u1ea9n b\u1ecb d\u1ee5ng c\u1ee5 b\u1ea5m \u0111\u1ea7u m\u1ea1ng, c\u00e1c b\u01b0\u1edbc b\u1ea5m d\u00e2y v\u00e0 m\u1ed9t s\u1ed1 l\u01b0u \u00fd k\u00e8m theo.\u00a0<\/em><\/span><\/p>\n<p><span style=\"font-family: 'book antiqua', palatino, serif;\"><em>Hi v\u1ecdng qua b\u00e0i vi\u1ebft n\u00e0y, m\u1ecdi ng\u01b0\u1eddi c\u00f3 th\u1ec3 t\u1ef1 nhi\u00ean b\u1ea5m d\u00e2y m\u1ea1ng m\u00e0 kh\u00f4ng c\u1ea7n mang d\u00e2y m\u1ea1ng ra c\u1eeda h\u00e0ng m\u00e1y t\u00ednh ho\u1eb7c thu\u00ea c\u00e1c \u0111\u01a1n v\u1ecb thi c\u00f4ng m\u1ea1ng t\u1ea1i nh\u00e0.<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. T\u1ea1i sao ch\u00fang ta n\u00ean trang b\u1ecb ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n c\u1ee7a vi\u1ec7c b\u1ea5m d\u00e2y c\u00e1p m\u1ea1ng? Vi\u1ec7c k\u1ebft<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/posts\/6648"}],"collection":[{"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/comments?post=6648"}],"version-history":[{"count":6,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/posts\/6648\/revisions"}],"predecessor-version":[{"id":6718,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/posts\/6648\/revisions\/6718"}],"wp:attachment":[{"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/media?parent=6648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/categories?post=6648"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/tags?post=6648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}