{"id":5035,"date":"2021-03-22T13:47:06","date_gmt":"2021-03-22T05:47:06","guid":{"rendered":"https:\/\/hkcablemachine.com\/?p=5035"},"modified":"2022-12-06T14:06:10","modified_gmt":"2022-12-06T06:06:10","slug":"is-copper-wire-expensive-than-fiber-optic-cable","status":"publish","type":"post","link":"https:\/\/hkcablemachine.com\/vi\/day-dong-co-dat-hon-cap-quang-khong\/","title":{"rendered":"D\u00e2y \u0111\u1ed3ng c\u00f3 \u0111\u1eaft h\u01a1n c\u00e1p quang kh\u00f4ng? | H\u1ed2NG KAI"},"content":{"rendered":"<p>C\u00e1p quang tuy ph\u1ed5 bi\u1ebfn h\u01a1n c\u00e1p \u0111\u1ed3ng t\u1eeb 4G tr\u1edf \u0111i nh\u01b0ng li\u1ec7u gi\u00e1 th\u00e0nh c\u00f3 r\u1ebb h\u01a1n c\u00e1p \u0111\u1ed3ng kh\u00f4ng?<\/p>\n\n\n\n<p><strong>V\u00e2ng, \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 tr\u01b0\u1eddng h\u1ee3p. M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 c\u1ea7n c\u00e1p quang, nh\u01b0ng m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p kh\u00e1c c\u00f3 th\u1ec3 c\u1ea7n c\u00e1p \u0111\u1ed3ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch. H\u01a1n n\u1eefa, c\u1ea3 hai \u0111\u1ec1u c\u00f3 nhi\u1ec1u lo\u1ea1i, v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau cho m\u1ed7i lo\u1ea1i. V\u00ec v\u1eady, gi\u00e1 c\u00f3 th\u1ec3 thay \u0111\u1ed5i.<\/strong><\/p>\n\n\n\n<p>H\u00e3y \u0111\u1ecdc ti\u1ebfp b\u00e0i vi\u1ebft \u0111\u1ec3 c\u00f3 th\u00eam ki\u1ebfn th\u1ee9c v\u1ec1 t\u1ea7m gi\u00e1 c\u1ee7a 2 lo\u1ea1i c\u00e1p.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Copper-wire-VS-Fiber-optic-cable-626x1024.jpg\" alt=\"d\u00e2y \u0111\u1ed3ng vs c\u00e1p quang\" class=\"wp-image-5043\" width=\"249\" height=\"408\" title=\"\"><figcaption>d\u00e2y \u0111\u1ed3ng vs c\u00e1p quang<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Gi\u00e1 c\u00e1p quang:<\/h2>\n\n\n\n<p>C\u00e1p quang&nbsp;<a href=\"https:\/\/www.atlantech.net\/blog\/how-much-does-it-cost-to-install-fiber-optic-internet-in-my-building\" rel=\"nofollow noopener\" target=\"_blank\">tr\u1ecb gi\u00e1<\/a>&nbsp;c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u1eeb $1 (cho 24 l\u1ea7n \u0111\u1ebfm) \u0111\u1ebfn $6 (cho 288 l\u1ea7n \u0111\u1ebfm). Tuy nhi\u00ean, n\u1ebfu b\u1ea1n mu\u1ed1n l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ho\u00e0n ch\u1ec9nh trong t\u00f2a nh\u00e0 c\u1ee7a m\u00ecnh, b\u1ea1n s\u1ebd ph\u1ea3i tr\u1ea3 th\u00eam m\u1ed9t s\u1ed1 kho\u1ea3n ph\u00ed nh\u1ea5t \u0111\u1ecbnh, t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Di\u1ec7n t\u00edch\/Quy m\u00f4 t\u00f2a nh\u00e0:<\/h2>\n\n\n\n<p>C\u00e1c t\u00f2a nh\u00e0 ho\u1eb7c doanh nghi\u1ec7p l\u1edbn h\u01a1n s\u1ebd c\u1ea7n c\u00e1p quang c\u00f3 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn h\u01a1n \u0111\u1ec3 qu\u1ea3n l\u00fd t\u1ea5t c\u1ea3 c\u00e1c k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tr\u1edf ng\u1ea1i v\u1eadt l\u00fd:<\/h2>\n\n\n\n<p>N\u1ebfu c\u00f3 ch\u01b0\u1edbng ng\u1ea1i v\u1eadt nh\u01b0 d\u00f2ng n\u01b0\u1edbc ho\u1eb7c c\u1ea7n ph\u1ea3i \u0111\u00e0o b\u1edbi \u0111\u1ec3 c\u00e1p quang \u0111\u1ea1t \u0111\u1ebfn \u0111i\u1ec3m mong mu\u1ed1n th\u00ec chi ph\u00ed s\u1ebd thay \u0111\u1ed5i.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kho\u1ea3ng c\u00e1ch t\u1eeb s\u1ee3i quang g\u1ea7n nh\u1ea5t:<\/h2>\n\n\n\n<p>Kho\u1ea3ng c\u00e1ch t\u1eeb c\u00e1p quang c\u00f3 s\u1eb5n g\u1ea7n nh\u1ea5t trong v\u00f9ng l\u00e2n c\u1eadn c\u1ee7a b\u1ea1n quy\u1ebft \u0111\u1ecbnh h\u00f3a \u0111\u01a1n b\u1ea1n ph\u1ea3i tr\u1ea3 cho n\u00f3. V\u00ec v\u1eady, chi ph\u00ed s\u1ebd kh\u00f4ng t\u0103ng nhi\u1ec1u n\u1ebfu khu v\u1ef1c xung quanh b\u1ea1n \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng b\u1eb1ng s\u1ee3i quang. Tuy nhi\u00ean, gi\u00e1 c\u00f3 th\u1ec3 t\u0103ng l\u00ean r\u1ea5t l\u1edbn n\u1ebfu g\u1ea7n \u0111\u00f3 kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i c\u00e1p quang.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c k\u1ecbch b\u1ea3n s\u1eed d\u1ee5ng s\u1ee3i quang:<\/h2>\n\n\n\n<p>B\u1ea1n \u0111\u00e3 bao gi\u1edd t\u1ef1 h\u1ecfi l\u00e0m th\u1ebf n\u00e0o b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c tin nh\u1eafn v\u0103n b\u1ea3n tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng trong nh\u00e1y m\u1eaft ch\u01b0a? Nh\u1edd m\u1ea1ng l\u01b0\u1edbi c\u00e1p quang \u0111\u01b0\u1ee3c \u0111\u1eb7t d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t v\u00e0 d\u01b0\u1edbi bi\u1ec3n, t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y \u0111\u1ec1u c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c. Nh\u1eefng lo\u1ea1i c\u00e1p n\u00e0y c\u00f3 ph\u1ea1m vi r\u1ed9ng l\u1edbn&nbsp;<a href=\"https:\/\/sites.google.com\/site\/csapgroupc\/home\/applications-of-optical-fibre\" rel=\"nofollow noopener\" target=\"_blank\">c\u00e1c \u1ee9ng d\u1ee5ng<\/a>, m\u1ed9t s\u1ed1 trong \u0111\u00f3 nh\u01b0 sau:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u0129nh v\u1ef1c y t\u1ebf:<\/h2>\n\n\n\n<p>C\u00e1p quang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ee5p \u1ea3nh trong c\u00e1c ca ph\u1eabu thu\u1eadt ph\u1ee9c t\u1ea1p v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n \u00e1nh s\u00e1ng.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Truy\u1ec1n d\u1eef li\u1ec7u:<\/h2>\n\n\n\n<p>Nh\u1eefng lo\u1ea1i c\u00e1p n\u00e0y truy\u1ec1n d\u1eef li\u1ec7u qua kho\u1ea3ng c\u00e1ch l\u1edbn v\u00ec ch\u00fang \u00edt b\u1ecb m\u1ea5t t\u00edn hi\u1ec7u h\u01a1n. Nh\u1eefng d\u00f2ng n\u00e0y c\u0169ng h\u1ed7 tr\u1ee3 vi\u1ec7c g\u1eedi v\u00e0 nh\u1eadn d\u1eef li\u1ec7u.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Fiber-optic-cable-connect-1024x683.jpeg\" alt=\"k\u1ebft n\u1ed1i c\u00e1p quang\" class=\"wp-image-5044\" width=\"719\" height=\"479\" title=\"\" srcset=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Fiber-optic-cable-connect-1024x683.jpeg 1024w, https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Fiber-optic-cable-connect-18x12.jpeg 18w, https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Fiber-optic-cable-connect-768x512.jpeg 768w, https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Fiber-optic-cable-connect-700x467.jpeg 700w, https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Fiber-optic-cable-connect.jpeg 1232w\" sizes=\"(max-width: 719px) 100vw, 719px\" \/><figcaption>k\u1ebft n\u1ed1i c\u00e1p quang<\/figcaption><\/figure><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">s\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p:<\/h2>\n\n\n\n<p>Nhi\u1ec1u khu v\u1ef1c kh\u00f4ng th\u1ec3 ti\u1ebfp c\u1eadn trong l\u0129nh v\u1ef1c th\u01b0\u01a1ng m\u1ea1i c\u1ea7n h\u00ecnh \u1ea3nh \u0111\u1ec3 t\u1ea1o k\u1ebft n\u1ed1i d\u00e2y. C\u00e1p quang gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 v\u1eady b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c \u00e1p su\u1ea5t kh\u00e1c nhau.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u00f2ng th\u1ee7:<\/h2>\n\n\n\n<p>C\u00e1p quang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u0111i\u1ec7n tho\u1ea1i d\u01b0\u1edbi n\u01b0\u1edbc trong SONAR. Ch\u00fang c\u0169ng h\u1ed7 tr\u1ee3 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u1ecf nh\u01b0ng nh\u1ea1y c\u1ea3m kh\u00e1c nhau tr\u00ean m\u00e1y bay ho\u1eb7c t\u00e0u ng\u1ea7m.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ee3i quang:<\/h2>\n\n\n\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1p \u0111\u1ed3ng, c\u00e1p quang s\u1eed d\u1ee5ng xung \u00e1nh s\u00e1ng \u0111\u1ec3 truy\u1ec1n th\u00f4ng tin. C\u00e1p quang c\u00f3 hai lo\u1ea1i ch\u00ednh, m\u1ed7i lo\u1ea1i c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c nhau v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u00f9y theo nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. C\u00e1c lo\u1ea1i n\u00e0y c\u00f9ng v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt nh\u01b0 sau:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i s\u1ee3i quang:<\/h2>\n\n\n\n<p>C\u1ea3 hai&nbsp;<a href=\"https:\/\/youtu.be\/C8tNsfnCC6M\" rel=\"nofollow noopener\" target=\"_blank\">c\u00e1c lo\u1ea1i<\/a>&nbsp;c\u1ee7a s\u1ee3i quang:<\/p>\n\n\n\n<p>\u00b7 S\u1ee3i quang nh\u1ef1a<\/p>\n\n\n\n<p>\u00b7 S\u1ee3i quang th\u1ee7y tinh<\/p>\n\n\n\n<p>So s\u00e1nh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a 2 lo\u1ea1i \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>S\u1ee3i quang th\u1ee7y tinh<\/td><td>S\u1ee3i quang nh\u1ef1a<\/td><\/tr><tr><td>\u0110\u01b0\u1ee3c l\u00e0m t\u1eeb Silic<\/td><td>\u0110\u01b0\u1ee3c l\u00e0m t\u1eeb PMMA<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u 100 Mb\/gi\u00e2y<\/td><td>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u 2,5 GB\/gi\u00e2y<\/td><\/tr><tr><td>Tinh t\u1ebf v\u00e0 gi\u00f2n<\/td><td>C\u1ee9ng h\u01a1n v\u00e0 kh\u00f4ng b\u1ecb g\u00e3y khi u\u1ed1n cong<\/td><\/tr><tr><td><br>C\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i nhi\u1ec7t \u0111\u1ed9 cao<br><\/td><td>Ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao<\/td><\/tr><tr><td>Cung c\u1ea5p m\u1ea5t t\u00edn hi\u1ec7u th\u1ea5p<\/td><td>Cung c\u1ea5p s\u1ef1 m\u1ea5t t\u00edn hi\u1ec7u l\u1edbn h\u01a1n<\/td><\/tr><tr><td>\u0110\u1eaft<\/td><td>R\u1ebb h\u01a1n c\u00e1p quang th\u1ee7y tinh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\">Gi\u00e1 d\u00e2y \u0111\u1ed3ng:<\/h1>\n\n\n\n<p>Chi ph\u00ed l\u1eafp \u0111\u1eb7t m\u1ed9t h\u1ec7 th\u1ed1ng truy\u1ec1n t\u1ea3i d\u00e2y \u0111\u1ed3ng ho\u00e0n ch\u1ec9nh ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 d\u00e0i d\u00e2y y\u00eau c\u1ea7u. N\u00f3 c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng c\u00e1p m\u00e0 b\u1ea1n \u0111ang s\u1eed d\u1ee5ng. Gi\u00e1 m\u1ed7i m\u00e9t c\u1ee7a ba lo\u1ea1i c\u00e1p \u0111\u1ed3ng quan tr\u1ecdng nh\u01b0 sau:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1p xo\u1eafn \u0111\u00f4i:<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.alibaba.com\/showroom\/twisted-pair-cable-price-per-meter.html\" rel=\"nofollow noopener\" target=\"_blank\">Gi\u00e1 c\u00e1p xo\u1eafn \u0111\u00f4i<\/a>&nbsp;kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng x\u00e2y d\u1ef1ng. Nh\u01b0ng th\u00f4ng th\u01b0\u1eddng, b\u1ea1n c\u00f3 th\u1ec3 l\u1ea5y n\u00f3 trong kho\u1ea3ng $0.2-$0.5\/m\u00e9t<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1p d\u1eb9t nhi\u1ec1u d\u00e2y:<\/h2>\n\n\n\n<p>C\u00e1p d\u1eb9t nhi\u1ec1u d\u00e2y d\u1eabn&nbsp;<a href=\"https:\/\/www.alibaba.com\/showroom\/multiconductor+flat+cable.html?fsb=y&amp;IndexArea=product_en&amp;CatId=&amp;SearchText=multiconductor+flat+cable&amp;isGalleryList=G\" rel=\"nofollow noopener\" target=\"_blank\">gi\u00e1<\/a>&nbsp;kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng x\u00e2y d\u1ef1ng. Nh\u01b0ng th\u00f4ng th\u01b0\u1eddng, b\u1ea1n c\u00f3 th\u1ec3 l\u1ea5y n\u00f3 trong kho\u1ea3ng $0,34-$7,40\/m\u00e9t.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1p \u0111\u1ed3ng tr\u1ee5c:<\/h2>\n\n\n\n<p>C\u00e1p \u0111\u1ed3ng tr\u1ee5c&nbsp;<a href=\"https:\/\/www.alibaba.com\/showroom\/multiconductor+flat+cable.html?fsb=y&amp;IndexArea=product_en&amp;CatId=&amp;SearchText=multiconductor+flat+cable&amp;isGalleryList=G\" rel=\"nofollow noopener\" target=\"_blank\">gi\u00e1<\/a>&nbsp;kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng x\u00e2y d\u1ef1ng. Nh\u01b0ng th\u00f4ng th\u01b0\u1eddng, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u00f3 trong ph\u1ea1m vi&nbsp;<strong>$0.6-$12.00\/m\u00e9t<\/strong>.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c k\u1ecbch b\u1ea3n s\u1eed d\u1ee5ng d\u00e2y \u0111\u1ed3ng:<\/h2>\n\n\n\n<p>Do \u0111\u1eb7c t\u00ednh l\u00e0 ch\u1ea5t d\u1eabn \u0111i\u1ec7n tuy\u1ec7t v\u1eddi v\u00e0 \u0111i\u1ec7n tr\u1edf nh\u1ecf n\u00ean d\u00e2y \u0111\u1ed3ng c\u00f3 ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng r\u1ed9ng.&nbsp;<a href=\"https:\/\/copperalliance.org.uk\/knowledge-base\/education\/education-resources\/copper-properties-applications\/\" rel=\"nofollow noopener\" target=\"_blank\">c\u00e1c \u1ee9ng d\u1ee5ng<\/a>. M\u1ed9t s\u1ed1 trong s\u1ed1 \u0111\u00f3 l\u00e0:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nam ch\u00e2m \u0111i\u1ec7n:<\/h2>\n\n\n\n<p>D\u00e2y \u0111\u1ed3ng t\u1ea1o th\u00e0nh nam ch\u00e2m \u0111i\u1ec7n. Nh\u1eefng nam ch\u00e2m \u0111i\u1ec7n n\u00e0y t\u1ea1o th\u00e0nh c\u00e1c \u1ed5 kh\u00f3a ti\u00ean ti\u1ebfn v\u00e0 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea7n c\u1ea9u \u1edf b\u00e3i ph\u1ebf li\u1ec7u \u0111\u1ec3 n\u00e2ng v\u1eadt n\u1eb7ng.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9ng c\u01a1:<\/h2>\n\n\n\n<p>T\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n \u0111\u1ec1u c\u1ea7n m\u1ed9t th\u00e0nh ph\u1ea7n ch\u00ednh, t\u1ee9c l\u00e0 d\u00e2y \u0111\u1ed3ng. Nh\u1eefng \u0111\u1ed9ng c\u01a1 n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong m\u00e1y gi\u1eb7t, t\u1ee7 l\u1ea1nh v\u00e0 ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nh\u01b0 b\u1ed9 kh\u1edfi \u0111\u1ed9ng c\u1ee7a \u00f4 t\u00f4. C\u00e1c \u0111\u1ed9ng c\u01a1 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u1ed5 \u0111\u0129a, qu\u1ea1t, v.v. c\u1ee7a m\u00e1y t\u00ednh.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y bi\u1ebfn \u00e1p:<\/h2>\n\n\n\n<p>M\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p nh\u1eadn \u0111\u01b0\u1ee3c th\u00e0nh gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n ho\u1eb7c nh\u1ecf h\u01a1n r\u1ed3i chuy\u1ec3n n\u00f3 sang gi\u00e1 tr\u1ecb kh\u00e1c. Nh\u1eefng m\u00e1y bi\u1ebfn \u00e1p n\u00e0y c\u0169ng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1p \u0111\u1ed3ng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c tr\u1ea1m \u0111i\u1ec7n, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u00e0 nh\u00e0 m\u00e1y \u0111i\u1ec7n.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vi\u1ec5n th\u00f4ng:<\/h2>\n\n\n\n<p>C\u00e1p \u0111\u1ed3ng c\u00f3 th\u1ec3 g\u1eedi th\u00f4ng tin d\u01b0\u1edbi d\u1ea1ng t\u00edn hi\u1ec7u \u0111i\u1ec7n. C\u00e1p xo\u1eafn \u0111\u00f4i, c\u00e1p d\u1eb9t nhi\u1ec1u d\u00e2y v\u00e0 c\u00e1p \u0111\u1ed3ng tr\u1ee5c r\u1ea5t quan tr\u1ecdng trong l\u0129nh v\u1ef1c vi\u1ec5n th\u00f4ng.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"564\" height=\"849\" src=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Frame-used-in-exchanges-uses-copper-wires-for-connections.jpg\" alt=\"khung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong trao \u0111\u1ed5i s\u1eed d\u1ee5ng d\u00e2y \u0111\u1ed3ng \u0111\u1ec3 k\u1ebft n\u1ed1i\" class=\"wp-image-5045\" title=\"\" srcset=\"https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Frame-used-in-exchanges-uses-copper-wires-for-connections.jpg 564w, https:\/\/hkcablemachine.com\/wp-content\/uploads\/2021\/03\/Frame-used-in-exchanges-uses-copper-wires-for-connections-8x12.jpg 8w\" sizes=\"(max-width: 564px) 100vw, 564px\" \/><figcaption>khung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong trao \u0111\u1ed5i s\u1eed d\u1ee5ng d\u00e2y \u0111\u1ed3ng \u0111\u1ec3 k\u1ebft n\u1ed1i<\/figcaption><\/figure><\/div>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt d\u00e2y \u0111\u1ed3ng:<\/h2>\n\n\n\n<p>C\u00f3 ba lo\u1ea1i c\u00e1p \u0111\u1ed3ng c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c vi\u1ec5n th\u00f4ng \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u. \u0110\u00f3 l\u00e0:<\/p>\n\n\n\n<p>\u00b7 C\u00e1p xo\u1eafn \u0111\u00f4i \u00b7 C\u00e1p d\u1eb9t nhi\u1ec1u d\u00e2y \u00b7 C\u00e1p \u0111\u1ed3ng tr\u1ee5c<\/p>\n\n\n\n<p>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 so s\u00e1nh ng\u1eafn g\u1ecdn c\u1ee7a 3 lo\u1ea1i n\u00e0y nh\u01b0 sau:<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter is-style-regular\"><table><tbody><tr><td>C\u00e1p xo\u1eafn \u0111\u00f4i<\/td><td>C\u00e1p d\u1eb9t nhi\u1ec1u d\u00e2y d\u1eabn<\/td><td>C\u00e1p \u0111\u1ed3ng tr\u1ee5c<\/td><\/tr><tr><td>N\u00f3 bao g\u1ed3m hai d\u00e2y c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c xo\u1eafn quanh nhau \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t h\u00ecnh xo\u1eafn \u1ed1c<\/td><td>N\u00f3 bao g\u1ed3m nhi\u1ec1u d\u00e2y song song v\u1edbi nhau v\u00e0 \u0111\u01b0\u1ee3c gi\u1eef v\u1edbi nhau trong m\u1ed9t chi\u1ebfc \u00e1o kho\u00e1c<\/td><td>N\u00f3 bao g\u1ed3m m\u1ed9t d\u00e2y d\u1eabn r\u1eafn \u0111\u01b0\u1ee3c bao quanh b\u1edfi m\u1ed9t ch\u1ea5t c\u00e1ch \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a v\u00e0 m\u1ed9t t\u1ea5m ch\u1eafn l\u00e0m t\u1eeb nh\u1eefng s\u1ee3i d\u00e2y m\u1ea3nh.<\/td><\/tr><tr><td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng gi\u1eefa \u0111i\u1ec7n tho\u1ea1i v\u00e0 t\u1ed5ng \u0111\u00e0i<\/td><td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong trao \u0111\u1ed5i \u0111i\u1ec7n tho\u1ea1i<\/td><td>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng k\u1ebft n\u1ed1i c\u1ee7a m\u00e1y thu v\u00e0 m\u00e1y ph\u00e1t v\u00f4 tuy\u1ebfn v\u1edbi \u0103ng-ten t\u01b0\u01a1ng \u1ee9ng c\u1ee7a ch\u00fang<\/td><\/tr><tr><td>Kh\u00f4ng th\u1ec3 mang theo l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u<\/td><td>C\u00f3 th\u1ec3 l\u1ea5y nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n c\u1eb7p xo\u1eafn<\/td><td>N\u00f3 c\u00f3 th\u1ec3 mang m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng t\u00edn hi\u1ec7u v\u00f4 tuy\u1ebfn<\/td><\/tr><tr><td>R\u1ebb<\/td><td>\u0110\u1eaft h\u01a1n c\u1eb7p xo\u1eafn<\/td><td>\u0110\u1eaft<\/td><\/tr><tr><td>Gi\u00f2n; c\u00f3 th\u1ec3 b\u1ecb xo\u1eafn v\u00e0 u\u1ed1n cong<\/td><td>N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xoay v\u00e0 u\u1ed1n cong<\/td><td>C\u1ee9ng, kh\u00f4ng u\u1ed1n cong \u0111\u01b0\u1ee3c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">So s\u00e1nh c\u00e1p quang v\u00e0 d\u00e2y \u0111\u1ed3ng:<\/h2>\n\n\n\n<p>\u00b7 D\u1eef li\u1ec7u truy\u1ec1n qua d\u00e2y \u0111\u1ed3ng s\u1ebd b\u1ecb m\u1ea5t ho\u1eb7c suy gi\u1ea3m t\u00edn hi\u1ec7u tr\u00ean kho\u1ea3ng c\u00e1ch l\u1edbn. Tuy nhi\u00ean, c\u00e1p quang truy\u1ec1n t\u1ea3i th\u00f4ng tin t\u01b0\u01a1ng t\u1ef1 m\u00e0 kh\u00f4ng b\u1ecb suy gi\u1ea3m nhi\u1ec1u tr\u00ean kho\u1ea3ng c\u00e1ch l\u1edbn.<\/p>\n\n\n\n<p>\u00b7 C\u00e1p quang truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u nhanh h\u01a1n c\u00e1p \u0111\u1ed3ng. \u0110\u00f3 l\u00e0 do kh\u1ea3 n\u0103ng mang t\u1ea7n s\u1ed1 cao h\u01a1n.<\/p>\n\n\n\n<p>M\u1eb7c d\u00f9 d\u00e2y \u0111\u1ed3ng \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00ec gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n nh\u01b0ng c\u00e1p quang lu\u00f4n \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">C\u00e2u h\u1ecfi li\u00ean quan:<\/h1>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1p quang l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p><strong>C\u00e1p quang kh\u00f3 n\u1ed1i. C\u00e1p n\u00e0y c\u0169ng c\u00f3 th\u1ec3 b\u1ecb m\u1ea5t m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u do t\u00e1n x\u1ea1 \u00e1nh s\u00e1ng. N\u00f3 \u0111\u1eaft ti\u1ec1n v\u00e0 d\u1ec5 g\u00e3y n\u1ebfu b\u1ecb xo\u1eafn ho\u1eb7c u\u1ed1n cong. Vi\u1ec7c l\u1eafp \u0111\u1eb7t m\u1ea1ng c\u00e1p quang c\u1ea7n c\u00f3 chuy\u00ean gia.<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1p quang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p><strong>C\u00e1p quang ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean l\u00fd &#039;ph\u1ea3n x\u1ea1 to\u00e0n ph\u1ea7n&#039;. B\u1ea5t c\u1ee9 khi n\u00e0o \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o m\u1ed9t b\u1ec1 m\u1eb7t, n\u00f3 s\u1ebd b\u1ecb ph\u1ea3n x\u1ea1 ho\u1eb7c kh\u00fac x\u1ea1. \u00c1nh s\u00e1ng \u0111i v\u00e0o \u0111\u01b0\u1eddng d\u00e2y \u1edf m\u1ed9t g\u00f3c nh\u01b0 v\u1eady trong s\u1ee3i quang ph\u1ea3n x\u1ea1 v\u00e0 ti\u1ebfp t\u1ee5c ph\u1ea3n x\u1ea1 trong su\u1ed1t chi\u1ec1u d\u00e0i c\u1ee7a c\u00e1p. C\u00e1c xung \u00e1nh s\u00e1ng truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb m\u00e1y ph\u00e1t \u0111\u1ebfn m\u00e1y thu b\u1eb1ng c\u00e1p quang.<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Nh\u1eadn x\u00e9t k\u1ebft th\u00fac:<\/h1>\n\n\n\n<p>M\u1eb7c d\u00f9 d\u00e2y \u0111\u1ed3ng r\u1ebb h\u01a1n c\u00e1p quang nh\u01b0ng c\u00e1p quang l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n v\u00ec hi\u1ec7u qu\u1ea3. C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ea7n c\u00e1p \u0111\u1ed3ng v\u00ec th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u tuy\u00ean b\u1ed1 r\u1eb1ng c\u00e1p quang s\u1ebd s\u1edbm chi\u1ebfm l\u0129nh h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Bi\u1ebft \u0111\u00e2u gi\u00e1 c\u00e1p quang m\u1ed9t ng\u00e0y n\u00e0o \u0111\u00f3 s\u1ebd r\u1ebb h\u01a1n c\u00e1p \u0111\u1ed3ng!<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00e1p quang tuy ph\u1ed5 bi\u1ebfn h\u01a1n c\u00e1p \u0111\u1ed3ng t\u1eeb 4G tr\u1edf \u0111i nh\u01b0ng li\u1ec7u gi\u00e1 th\u00e0nh c\u00f3 r\u1ebb h\u01a1n c\u00e1p \u0111\u1ed3ng kh\u00f4ng?<\/p>","protected":false},"author":1,"featured_media":5048,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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":""}},"thumbnail_url":"","footnotes":""},"categories":[878,879],"tags":[],"class_list":["post-5035","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fiber-optic-cable","category-knowledege"],"_links":{"self":[{"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/posts\/5035","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/comments?post=5035"}],"version-history":[{"count":0,"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/posts\/5035\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/media\/5048"}],"wp:attachment":[{"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/media?parent=5035"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/categories?post=5035"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hkcablemachine.com\/vi\/wp-json\/wp\/v2\/tags?post=5035"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}