{"id":2788,"date":"2025-03-14T03:24:21","date_gmt":"2025-03-14T03:24:21","guid":{"rendered":"https:\/\/commmesh.com\/?p=2788"},"modified":"2025-03-17T06:35:42","modified_gmt":"2025-03-17T06:35:42","slug":"single-mode-vs-multimode-fiber","status":"publish","type":"post","link":"https:\/\/commmesh.com\/vi\/single-mode-vs-multimode-fiber\/","title":{"rendered":"C\u00e1p quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 so v\u1edbi c\u00e1p quang \u0111a ch\u1ebf \u0111\u1ed9: Lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n?"},"content":{"rendered":"<p>D\u1eef li\u1ec7u h\u00ecnh \u1ea3nh ch\u1ea1y qua c\u00e1p nh\u01b0 \u00f4 t\u00f4 tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c. B\u00e2y gi\u1edd, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng hai lo\u1ea1i \u0111\u01b0\u1eddng: m\u1ed9t l\u00e0 \u0111\u01b0\u1eddng h\u1eb9p, m\u1ed9t l\u00e0n xe \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ch\u1ea1y nhanh tr\u00ean nh\u1eefng qu\u00e3ng \u0111\u01b0\u1eddng d\u00e0i, trong khi lo\u1ea1i kia l\u00e0 \u0111\u01b0\u1eddng cao t\u1ed1c r\u1ed9ng h\u01a1n, nhi\u1ec1u l\u00e0n xe, \u0111\u00f4ng \u0111\u00fac xe c\u1ed9 tr\u00ean nh\u1eefng \u0111o\u1ea1n \u0111\u01b0\u1eddng ng\u1eafn h\u01a1n. \u0110\u00f3 ch\u00ednh l\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a <em><strong>s\u1ee3i \u0111\u01a1n mode so v\u1edbi s\u1ee3i \u0111a mode<\/strong><\/em>\u2014hai l\u1ef1a ch\u1ecdn m\u1ea1nh m\u1ebd trong th\u1ebf gi\u1edbi c\u00e1p quang, m\u1ed7i l\u1ef1a ch\u1ecdn \u0111\u1ec1u c\u00f3 th\u1ebf m\u1ea1nh ri\u00eang.<\/p>\n\n\n\n<p>Cho d\u00f9 b\u1ea1n \u0111ang thi\u1ebft l\u1eadp m\u1ea1ng cho m\u1ed9t t\u00f2a nh\u00e0 ch\u1ecdc tr\u1eddi, m\u1ed9t v\u0103n ph\u00f2ng nh\u1ecf hay m\u1ed9t khu\u00f4n vi\u00ean r\u1ed9ng l\u1edbn, vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa <em>s\u1ee3i \u0111\u01a1n mode<\/em> V\u00e0 <em>s\u1ee3i \u0111a mode<\/em> c\u00f3 th\u1ec3 t\u1ea1o n\u00ean ho\u1eb7c ph\u00e1 h\u1ecfng d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch ch\u00fang l\u00e0 g\u00ec, ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o v\u00e0 ch\u00fang t\u1ecfa s\u00e1ng \u1edf \u0111\u00e2u, s\u1eed d\u1ee5ng c\u00e1c ph\u00e9p so s\u00e1nh h\u00e0ng ng\u00e0y \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a. Cu\u1ed1i c\u00f9ng, b\u1ea1n s\u1ebd bi\u1ebft lo\u1ea1i s\u1ee3i n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh, h\u00e3y l\u00ean \u0111\u01b0\u1eddng th\u00f4i!<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ee3i quang \u0111\u01a1n mode: Ng\u01b0\u1eddi ch\u1ea1y \u0111\u01b0\u1eddng d\u00e0i<\/h2>\n\n\n\n<p>Ngh\u0129 v\u1ec1 <em>s\u1ee3i \u0111\u01a1n mode<\/em> nh\u01b0 m\u1ed9t v\u1eadn \u0111\u1ed9ng vi\u00ean ch\u1ea1y marathon\u2014g\u1ea7y, t\u1eadp trung v\u00e0 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 ch\u1ea1y h\u1ebft qu\u00e3ng \u0111\u01b0\u1eddng. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 truy\u1ec1n m\u1ed9t t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng (ho\u1eb7c \u201cmode\u201d) duy nh\u1ea5t xu\u1ed1ng m\u1ed9t l\u00f5i si\u00eau m\u1ecfng, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh nh\u00e0 v\u00f4 \u0111\u1ecbch cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u0111\u01b0\u1eddng d\u00e0i.<\/p>\n\n\n\n<p><strong>N\u00f3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u00edch th\u01b0\u1edbc l\u00f5i:<\/strong> R\u1ea5t nh\u1ecf\u2014kho\u1ea3ng 8-10 micron (m\u1ed9t micron b\u1eb1ng m\u1ed9t ph\u1ea7n tri\u1ec7u m\u00e9t), m\u1ecfng h\u01a1n s\u1ee3i t\u00f3c c\u1ee7a con ng\u01b0\u1eddi.<\/li>\n\n\n\n<li><strong>L\u1edbp ph\u1ee7:<\/strong> \u0110\u01b0\u1ee3c b\u1ecdc trong l\u1edbp b\u1ea3o v\u1ec7 d\u00e0y 125 micron.<\/li>\n\n\n\n<li><strong>Ngu\u1ed3n s\u00e1ng:<\/strong> Th\u00f4ng th\u01b0\u1eddng l\u00e0 tia laser, s\u1eafc n\u00e9t v\u00e0 ch\u00ednh x\u00e1c nh\u01b0 \u0111\u00e8n pha.<\/li>\n<\/ul>\n\n\n\n<p><strong>N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/strong><\/p>\n\n\n\n<p>L\u00f5i nh\u1ecf bu\u1ed9c \u00e1nh s\u00e1ng truy\u1ec1n th\u1eb3ng xu\u1ed1ng s\u1ee3i quang v\u1edbi \u0111\u1ed9 n\u1ea3y t\u1ed1i thi\u1ec3u\u2014h\u00e3y ngh\u0129 \u0111\u1ebfn m\u1ed9t ch\u00f9m tia laser b\u1eafn qua m\u1ed9t \u1ed1ng h\u00fat. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m m\u1ea5t m\u00e1t t\u00edn hi\u1ec7u v\u00e0 m\u00e9o ti\u1ebfng, cho ph\u00e9p d\u1eef li\u1ec7u truy\u1ec1n \u0111i h\u00e0ng d\u1eb7m m\u00e0 kh\u00f4ng g\u1eb7p kh\u00f3 kh\u0103n.<\/p>\n\n\n\n<p><strong>B\u1ea1n s\u1ebd t\u00ecm th\u1ea5y n\u00f3 \u1edf \u0111\u00e2u<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u1ea1ng l\u01b0\u1edbi vi\u1ec5n th\u00f4ng tr\u1ea3i d\u00e0i kh\u1eafp c\u00e1c th\u00e0nh ph\u1ed1 ho\u1eb7c qu\u1ed1c gia.<\/li>\n\n\n\n<li>X\u01b0\u01a1ng s\u1ed1ng Internet k\u1ebft n\u1ed1i c\u00e1c ch\u00e2u l\u1ee5c.<\/li>\n\n\n\n<li>C\u00e1c li\u00ean k\u1ebft doanh nghi\u1ec7p \u0111\u01b0\u1eddng d\u00e0i (v\u00ed d\u1ee5: c\u00e1c t\u00f2a nh\u00e0 trong khu\u00f4n vi\u00ean tr\u01b0\u1eddng c\u00e1ch nhau h\u00e0ng km).<\/li>\n\n\n\n<li>Truy\u1ec1n h\u00ecnh c\u00e1p v\u00e0 <a href=\"https:\/\/dekam-fiber.com\/fttx-ftth-vs-ftta-vs-fttb-vs-fttc-vs-fttd-vs-ftte-vs-fttn-vs-ftto-vs-fttp-vs-fttr\/\" target=\"_blank\" rel=\"noreferrer noopener\">FTTH<\/a> (s\u1ee3i quang \u0111\u1ebfn t\u1eadn nh\u00e0) cho t\u00edn hi\u1ec7u c\u1ef1c k\u1ef3 r\u00f5 n\u00e9t.<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u1ea1i sao n\u00f3 tuy\u1ec7t v\u1eddi<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vua kho\u1ea3ng c\u00e1ch:<\/strong> C\u00f3 th\u1ec3 k\u00e9o d\u00e0i 40 km ho\u1eb7c h\u01a1n m\u00e0 kh\u00f4ng c\u1ea7n b\u1ed9 l\u1eb7p\u2014ho\u00e0n h\u1ea3o cho c\u00e1c thi\u1ebft l\u1eadp \u1edf xa.<\/li>\n\n\n\n<li><strong>B\u0103ng th\u00f4ng cao:<\/strong> X\u1eed l\u00fd l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn, \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u1ee7a b\u1ea1n lu\u00f4n s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai.<\/li>\n\n\n\n<li><strong>T\u1ed5n th\u1ea5t th\u1ea5p:<\/strong> Duy tr\u00ec t\u00edn hi\u1ec7u m\u1ea1nh m\u1ebd trong th\u1eddi gian d\u00e0i.<\/li>\n<\/ul>\n\n\n\n<p><strong>C\u00e1i b\u1eaby<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tr\u1ecb gi\u00e1:<\/strong> Tia laser v\u00e0 thi\u1ebft b\u1ecb ch\u00ednh x\u00e1c l\u00e0m t\u0103ng gi\u00e1.<\/li>\n\n\n\n<li><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p:<\/strong> Vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ea7n nhi\u1ec1u s\u1ef1 c\u1ea9n th\u1eadn v\u00e0 chuy\u00ean m\u00f4n h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<p>S\u1ef1 th\u1eadt th\u00fa v\u1ecb: C\u00e1c c\u00f4ng ty nh\u01b0 <a href=\"https:\/\/www.corning.com\/optical-communications\/worldwide\/en\/home.html\" target=\"_blank\" rel=\"noreferrer noopener\">Corning<\/a>, m\u1ed9t \u0111\u1ed1i t\u00e1c c\u1ee7a CommMesh, ti\u00ean phong trong vi\u1ec7c s\u1ea3n xu\u1ea5t s\u1ee3i quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n th\u1ed1ng tr\u1ecb c\u00e1c m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng d\u00e0i ng\u00e0y nay. T\u1ea1i CommMesh, ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1p ch\u1ebf \u0111\u1ed9 \u0111\u01a1n v\u00e0 <a href=\"https:\/\/commmesh.com\/vi\/fiber-optic-connector-types\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0111\u1ea7u n\u1ed1i s\u1ee3i<\/a> gi\u1ed1ng nh\u01b0 FC cho c\u00e1c nhi\u1ec7m v\u1ee5 ch\u00ednh x\u00e1c\u2014h\u00e3y xem ch\u00fang t\u1ea1i <a href=\"https:\/\/commmesh.com\/vi\/\" target=\"_blank\" rel=\"noreferrer noopener\">commmesh.com<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/Single-Mode-vs-Multimode-Fiber.jpeg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/Single-Mode-vs-Multimode-Fiber.jpeg\" alt=\"S\u1ee3i quang \u0111\u01a1n mode so v\u1edbi s\u1ee3i quang \u0111a mode\" class=\"wp-image-2913\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/Single-Mode-vs-Multimode-Fiber.jpeg 1024w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/Single-Mode-vs-Multimode-Fiber-300x169.jpeg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/Single-Mode-vs-Multimode-Fiber-768x432.jpeg 768w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/Single-Mode-vs-Multimode-Fiber-600x338.jpeg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">S\u1ee3i quang \u0111\u01a1n mode so v\u1edbi s\u1ee3i quang \u0111a mode<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9: Sprinter c\u1ef1 ly ng\u1eafn<\/h2>\n\n\n\n<p>B\u00e2y gi\u1edd, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng <em>s\u1ee3i \u0111a mode<\/em> nh\u01b0 m\u1ed9t v\u1eadn \u0111\u1ed9ng vi\u00ean ch\u1ea1y n\u01b0\u1edbc r\u00fat\u2014nhanh, linh ho\u1ea1t v\u00e0 l\u00fd t\u01b0\u1edfng cho nh\u1eefng c\u00fa ch\u1ea1y n\u01b0\u1edbc r\u00fat ng\u1eafn. N\u00f3 c\u00f3 l\u00f5i r\u1ed9ng h\u01a1n cho ph\u00e9p nhi\u1ec1u t\u00edn hi\u1ec7u \u0111\u00e8n (ho\u1eb7c &quot;ch\u1ebf \u0111\u1ed9&quot;) ch\u1ea1y qua c\u00f9ng m\u1ed9t l\u00fac, gi\u1ed1ng nh\u01b0 \u00f4 t\u00f4 lu\u1ed3n l\u00e1ch qua \u0111\u01b0\u1eddng cao t\u1ed1c nhi\u1ec1u l\u00e0n.<\/p>\n\n\n\n<p><strong>N\u00f3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K\u00edch th\u01b0\u1edbc l\u00f5i:<\/strong> L\u1edbn h\u01a1n\u201450 ho\u1eb7c 62,5 micron, cho ph\u00e9p nhi\u1ec1u \u00e1nh s\u00e1ng \u0111i v\u00e0o h\u01a1n.<\/li>\n\n\n\n<li><strong>L\u1edbp ph\u1ee7:<\/strong> V\u1eabn l\u00e0 125 micron, ph\u00f9 h\u1ee3p v\u1edbi ch\u1ebf \u0111\u1ed9 \u0111\u01a1n.<\/li>\n\n\n\n<li><strong>Ngu\u1ed3n s\u00e1ng:<\/strong> Th\u00f4ng th\u01b0\u1eddng l\u00e0 \u0111\u00e8n LED ho\u1eb7c <a href=\"https:\/\/en.wikipedia.org\/wiki\/Vertical-cavity_surface-emitting_laser\" target=\"_blank\" rel=\"noreferrer noopener\">VCSEL<\/a> (laser ph\u00e1t x\u1ea1 b\u1ec1 m\u1eb7t khoang th\u1eb3ng \u0111\u1ee9ng), gi\u1ed1ng \u0111\u00e8n pha h\u01a1n l\u00e0 laser.<\/li>\n<\/ul>\n\n\n\n<p><strong>N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/strong><\/p>\n\n\n\n<p>L\u00f5i r\u1ed9ng h\u01a1n \u0111\u00f3 cho ph\u00e9p nhi\u1ec1u \u0111\u01b0\u1eddng d\u1eabn \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 xung quanh b\u00ean trong\u2014h\u00e3y ngh\u0129 v\u1ec1 n\u00f3 nh\u01b0 m\u1ed9t tr\u00f2 ch\u01a1i \u0111i\u1ec7n t\u1eed b\u1eadn r\u1ed9n v\u1edbi \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o t\u01b0\u1eddng. N\u00f3 tuy\u1ec7t v\u1eddi cho kho\u1ea3ng c\u00e1ch ng\u1eafn, nh\u01b0ng khi ch\u1ea1y d\u00e0i h\u01a1n, nh\u1eefng l\u1ea7n ph\u1ea3n x\u1ea1 \u0111\u00f3 khi\u1ebfn t\u00edn hi\u1ec7u b\u1ecb m\u1edd, m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>ph\u00e2n t\u00e1n m\u00f4 th\u1ee9c<\/strong>.<\/p>\n\n\n\n<p><strong>B\u1ea1n s\u1ebd t\u00ecm th\u1ea5y n\u00f3 \u1edf \u0111\u00e2u<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng ho\u1eb7c trung t\u00e2m d\u1eef li\u1ec7u k\u1ebft n\u1ed1i c\u00e1c t\u1ea7ng ho\u1eb7c ph\u00f2ng.<\/li>\n\n\n\n<li>M\u1ea1ng l\u01b0\u1edbi tr\u01b0\u1eddng h\u1ecdc d\u01b0\u1edbi m\u1ed9t km.<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng an ninh ho\u1eb7c thi\u1ebft l\u1eadp AV (v\u00ed d\u1ee5: video qua c\u00e1p quang).<\/li>\n\n\n\n<li>M\u1ea1ng c\u1ee5c b\u1ed9 (LAN) ph\u1ee5c v\u1ee5 nhu c\u1ea7u s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y.<\/li>\n<\/ul>\n\n\n\n<p><strong>T\u1ea1i sao n\u00f3 tuy\u1ec7t v\u1eddi<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00e2n thi\u1ec7n v\u1edbi ng\u00e2n s\u00e1ch:<\/strong> \u0110\u00e8n LED r\u1ebb h\u01a1n \u0111\u00e8n laser, gi\u00fap c\u1eaft gi\u1ea3m chi ph\u00ed.<\/li>\n\n\n\n<li><strong>D\u1ec5 d\u00e0ng c\u00e0i \u0111\u1eb7t:<\/strong> \u00cdt c\u1ea7u k\u1ef3 h\u01a1n v\u1ec1 m\u1eb7t c\u0103n ch\u1ec9nh so v\u1edbi ch\u1ebf \u0111\u1ed9 \u0111\u01a1n.<\/li>\n\n\n\n<li><strong>B\u0103ng th\u00f4ng \u0111\u1ee7 t\u1ed1t:<\/strong> \u0110\u00e1p \u1ee9ng h\u1ea7u h\u1ebft c\u00e1c nhu c\u1ea7u t\u1ea7m ng\u1eafn.<\/li>\n<\/ul>\n\n\n\n<p><strong>C\u00e1i b\u1eaby<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gi\u1edbi h\u1ea1n kho\u1ea3ng c\u00e1ch:<\/strong> \u0110\u1ed9 cao t\u1ed1i \u0111a l\u00e0 550 m\u00e9t theo ti\u00eau chu\u1ea9n hi\u1ec7n \u0111\u1ea1i (v\u00ed d\u1ee5: OM4)\u2014kh\u00f4ng ph\u00f9 h\u1ee3p cho nh\u1eefng ch\u1eb7ng bay d\u00e0i.<\/li>\n\n\n\n<li><strong>T\u00edn hi\u1ec7u m\u1edd:<\/strong> S\u1ef1 ph\u00e2n t\u00e1n m\u00f4 th\u1ee9c h\u1ea1n ch\u1ebf \u0111\u1ed9 r\u00f5 n\u00e9t theo kho\u1ea3ng c\u00e1ch.<\/li>\n<\/ul>\n\n\n\n<p>Ch\u1ebf \u0111\u1ed9 \u0111a ch\u1ebf \u0111\u1ed9 gi\u1ed1ng nh\u01b0 chi\u1ebfc xe hatchback \u0111\u00e1ng tin c\u1eady c\u1ee7a b\u1ea1n - ho\u00e0n h\u1ea3o cho vi\u1ec7c l\u00e1i xe trong th\u00e0nh ph\u1ed1 nh\u01b0ng kh\u00f4ng ph\u00f9 h\u1ee3p cho nh\u1eefng chuy\u1ebfn \u0111i xuy\u00ean qu\u1ed1c gia.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/FTTH-Drop-Cable-2-core.jpg\"><img decoding=\"async\" width=\"900\" height=\"900\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/FTTH-Drop-Cable-2-core.jpg\" alt=\"C\u00e1p th\u1ea3 FTTH 2 l\u00f5i\" class=\"wp-image-1810\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/FTTH-Drop-Cable-2-core.jpg 900w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/FTTH-Drop-Cable-2-core-300x300.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/FTTH-Drop-Cable-2-core-100x100.jpg 100w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/FTTH-Drop-Cable-2-core-600x600.jpg 600w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/FTTH-Drop-Cable-2-core-150x150.jpg 150w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/FTTH-Drop-Cable-2-core-768x768.jpg 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/><\/a><figcaption class=\"wp-element-caption\">C\u00e1p th\u1ea3 FTTH 2 l\u00f5i<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u00e0o s\u00e2u h\u01a1n: C\u00f4ng ngh\u1ec7 \u0111\u1eb1ng sau s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 so v\u1edbi s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9<\/h2>\n\n\n\n<p>H\u00e3y b\u00f3c t\u00e1ch m\u1ed9t ch\u00fat. S\u1ee3i quang ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch truy\u1ec1n \u00e1nh s\u00e1ng qua l\u00f5i th\u1ee7y tinh, \u0111\u01b0\u1ee3c d\u1eabn h\u01b0\u1edbng b\u1edfi l\u1edbp v\u1ecf b\u1ecdc ng\u0103n kh\u00f4ng cho \u00e1nh s\u00e1ng tho\u00e1t ra ngo\u00e0i. S\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn gi\u1eefa <em>c\u00e1c lo\u1ea1i s\u1ee3i quang<\/em> n\u1eb1m \u1edf k\u00edch th\u01b0\u1edbc l\u00f5i v\u00e0 h\u00e0nh vi \u00e1nh s\u00e1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1ee3i quang \u0111\u01a1n mode:<\/strong> L\u00f5i 8-10 micron r\u1ea5t h\u1eb9p \u0111\u1ebfn m\u1ee9c ch\u1ec9 c\u00f3 m\u1ed9t ch\u1ebf \u0111\u1ed9 \u00e1nh s\u00e1ng \u0111i th\u1eb3ng, gi\u1ea3m suy hao (m\u1ea5t t\u00edn hi\u1ec7u) xu\u1ed1ng kho\u1ea3ng 0,2 dB\/km \u1edf 1550 nm. N\u00f3 \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i v\u1edbi tia laser (th\u01b0\u1eddng l\u00e0 b\u01b0\u1edbc s\u00f3ng 1310 nm ho\u1eb7c 1550 nm) \u0111\u1ec3 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i.<\/li>\n\n\n\n<li><strong>S\u1ee3i quang \u0111a mode:<\/strong> L\u00f5i 50 ho\u1eb7c 62,5 micron cho ph\u00e9p nhi\u1ec1u ch\u1ebf \u0111\u1ed9 ph\u1ea3n x\u1ea1 xung quanh, v\u1edbi \u0111\u1ed9 suy gi\u1ea3m kho\u1ea3ng 3 dB\/km \u1edf 850 nm. \u0110\u00e8n LED ho\u1eb7c VCSEL (850 nm ho\u1eb7c 1300 nm) cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng, \u0111\u00e1nh \u0111\u1ed5i \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 OM1, OM2, OM3 v\u00e0 OM4 x\u00e1c \u0111\u1ecbnh c\u00e1c c\u1ea5p \u0111\u1ed9 \u0111a ch\u1ebf \u0111\u1ed9\u2014c\u00e1c c\u1ea5p \u0111\u1ed9 m\u1edbi h\u01a1n (v\u00ed d\u1ee5: OM4) k\u00e9o d\u00e0i kho\u1ea3ng c\u00e1ch l\u00ean \u0111\u1ebfn 550 m\u00e9t v\u1edbi t\u1ed1c \u0111\u1ed9 10G, nh\u1edd b\u0103ng th\u00f4ng ch\u1ebf \u0111\u1ed9 t\u1ed1t h\u01a1n. Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n tu\u00e2n th\u1ee7 m\u1ed9t ti\u00eau chu\u1ea9n (OS1\/OS2), t\u1eadp trung v\u00e0o kho\u1ea3ng c\u00e1ch h\u01a1n l\u00e0 s\u1ef1 \u0111a d\u1ea1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u1ee8ng d\u1ee5ng c\u1ee7a s\u1ee3i quang \u0111\u01a1n mode so v\u1edbi \u0111a mode: M\u1ed7i lo\u1ea1i t\u1ecfa s\u00e1ng \u1edf \u0111\u00e2u<\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 n\u01a1i cao su g\u1eb7p m\u1eb7t \u0111\u01b0\u1eddng\u2014s\u1eed d\u1ee5ng trong th\u1ebf gi\u1edbi th\u1ef1c cho <em>ch\u1ebf \u0111\u1ed9 \u0111\u01a1n so v\u1edbi ch\u1ebf \u0111\u1ed9 \u0111a<\/em>:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee3i quang \u0111\u01a1n mode<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>C\u00e1c c\u00f4ng ty vi\u1ec5n th\u00f4ng l\u1edbn:<\/strong> Truy\u1ec1n t\u00edn hi\u1ec7u \u0111i\u1ec7n tho\u1ea1i v\u00e0 internet qua c\u00e1c ti\u1ec3u bang ho\u1eb7c \u0111\u1ea1i d\u01b0\u01a1ng.<\/li>\n\n\n\n<li><strong>FTTH:<\/strong> Mang b\u0103ng th\u00f4ng r\u1ed9ng c\u1ef1c nhanh \u0111\u1ebfn t\u1eadn nh\u00e0, gi\u1ed1ng nh\u01b0 c\u00e1p FTTH c\u1ee7a CommMesh.<\/li>\n\n\n\n<li><strong>Li\u00ean k\u1ebft d\u00e0i:<\/strong> K\u1ebft n\u1ed1i c\u00e1c v\u0103n ph\u00f2ng ho\u1eb7c tr\u01b0\u1eddng h\u1ecdc \u1edf xa c\u00e1ch nhau h\u00e0ng d\u1eb7m.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee3i \u0111a mode<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Trung t\u00e2m d\u1eef li\u1ec7u:<\/strong> Li\u00ean k\u1ebft c\u00e1c m\u00e1y ch\u1ee7 v\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch trong m\u1ed9t t\u00f2a nh\u00e0\u2014gh\u00e9p n\u1ed1i v\u1edbi \u0111\u1ea7u n\u1ed1i LC Duplex c\u1ee7a CommMesh.<\/li>\n\n\n\n<li><strong>M\u1ea1ng LAN:<\/strong> Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho m\u1ea1ng v\u0103n ph\u00f2ng ph\u1ee5c v\u1ee5 cho c\u00e1c c\u00f4ng vi\u1ec7c h\u00e0ng ng\u00e0y.<\/li>\n\n\n\n<li><strong>H\u1ec7 th\u1ed1ng AV:<\/strong> Ch\u1ea1y video ho\u1eb7c \u00e2m thanh trong th\u1eddi gian ng\u1eafn.<\/li>\n<\/ul>\n\n\n\n<p>M\u1ed9t b\u00e1o c\u00e1o n\u0103m 2023 t\u1eeb <a href=\"https:\/\/www.grandviewresearch.com\/industry-analysis\/fiber-optics-market\" target=\"_blank\" rel=\"noreferrer noopener\">Nghi\u00ean c\u1ee9u Grand View<\/a> L\u01b0u \u00fd ch\u1ebf \u0111\u1ed9 \u0111\u01a1n chi\u1ebfm \u01b0u th\u1ebf trong vi\u1ec5n th\u00f4ng (tr\u00ean 60% th\u1ecb ph\u1ea7n), trong khi ch\u1ebf \u0111\u1ed9 \u0111a v\u1eabn gi\u1eef v\u1eefng v\u1ecb th\u1ebf trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u\u2014hai th\u1ebf gi\u1edbi, hai ng\u01b0\u1eddi chi\u1ebfn th\u1eafng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/02\/Pre-Connectorized-Drop-Cable01.jpg\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/02\/Pre-Connectorized-Drop-Cable01.jpg\" alt=\"C\u00e1p th\u1ea3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u01b0\u1edbc01\" class=\"wp-image-2515\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/02\/Pre-Connectorized-Drop-Cable01.jpg 1000w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/02\/Pre-Connectorized-Drop-Cable01-300x300.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/02\/Pre-Connectorized-Drop-Cable01-100x100.jpg 100w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/02\/Pre-Connectorized-Drop-Cable01-600x600.jpg 600w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/02\/Pre-Connectorized-Drop-Cable01-150x150.jpg 150w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/02\/Pre-Connectorized-Drop-Cable01-768x768.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><figcaption class=\"wp-element-caption\">C\u00e1p th\u1ea3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u01b0\u1edbc01<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">So s\u00e1nh s\u1ee3i quang \u0111\u01a1n mode v\u00e0 \u0111a mode<\/h2>\n\n\n\n<p>Ch\u00fang ta h\u00e3y \u0111\u1eb7t ch\u00fang c\u1ea1nh nhau:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>T\u00ednh n\u0103ng<\/th><th>S\u1ee3i quang \u0111\u01a1n mode<\/th><th>S\u1ee3i \u0111a mode<\/th><\/tr><\/thead><tbody><tr><td><strong>K\u00edch th\u01b0\u1edbc l\u00f5i<\/strong><\/td><td>8-10 micron<\/td><td>50 ho\u1eb7c 62,5 micron<\/td><\/tr><tr><td><strong>Ngu\u1ed3n s\u00e1ng<\/strong><\/td><td>Tia laze<\/td><td>LED ho\u1eb7c VCSEL<\/td><\/tr><tr><td><strong>Kho\u1ea3ng c\u00e1ch<\/strong><\/td><td>L\u00ean \u0111\u1ebfn 40 km+<\/td><td>L\u00ean \u0111\u1ebfn 550 m (OM4)<\/td><\/tr><tr><td><strong>B\u0103ng th\u00f4ng<\/strong><\/td><td>R\u1ea5t cao<\/td><td>Trung b\u00ecnh \u0111\u1ebfn cao<\/td><\/tr><tr><td><strong>Tr\u1ecb gi\u00e1<\/strong><\/td><td>Cao h\u01a1n (thi\u1ebft b\u1ecb)<\/td><td>Th\u1ea5p h\u01a1n (thi\u1ebft l\u1eadp ban \u0111\u1ea7u)<\/td><\/tr><tr><td><strong>\u1ee8ng d\u1ee5ng<\/strong><\/td><td>Vi\u1ec5n th\u00f4ng, \u0111\u01b0\u1eddng d\u00e0i<\/td><td>Trung t\u00e2m d\u1eef li\u1ec7u, m\u1ea1ng LAN<\/td><\/tr><tr><td><strong>D\u1ec5 s\u1eed d\u1ee5ng<\/strong><\/td><td>Ph\u1ee9c t\u1ea1p h\u01a1n<\/td><td>\u0110\u01a1n gi\u1ea3n h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>B\u1ea3ng n\u00e0y l\u00e0 b\u1ea3ng h\u01b0\u1edbng d\u1eabn d\u00e0nh cho b\u1ea1n\u2014ch\u1ebf \u0111\u1ed9 \u0111\u01a1n cho kho\u1ea3ng c\u00e1ch, ch\u1ebf \u0111\u1ed9 \u0111a cho ng\u00e2n s\u00e1ch v\u00e0 ch\u1ebf \u0111\u1ed9 g\u1ea7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u1ef1a ch\u1ecdn: Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n hay ch\u1ebf \u0111\u1ed9 \u0111a?<\/h2>\n\n\n\n<p>L\u1ef1a ch\u1ecdn gi\u1eefa <em>s\u1ee3i \u0111\u01a1n mode<\/em> V\u00e0 <em>s\u1ee3i \u0111a mode<\/em> gi\u1ed1ng nh\u01b0 vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa xe th\u1ec3 thao v\u00e0 xe b\u00e1n t\u1ea3i\u2014t\u00f9y thu\u1ed9c v\u00e0o h\u00e0nh tr\u00ecnh c\u1ee7a b\u1ea1n. \u0110\u00e2y l\u00e0 l\u1ed9 tr\u00ecnh c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<p><strong>Nhu c\u1ea7u kho\u1ea3ng c\u00e1ch<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u00ean 1 km? Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n l\u00e0 l\u1ef1a ch\u1ecdn duy nh\u1ea5t c\u1ee7a b\u1ea1n\u2014h\u00e3y ngh\u0129 \u0111\u1ebfn c\u00e1c li\u00ean k\u1ebft vi\u1ec5n th\u00f4ng ho\u1eb7c tr\u01b0\u1eddng h\u1ecdc.<\/li>\n\n\n\n<li>D\u01b0\u1edbi 550 m? Ch\u1ebf \u0111\u1ed9 \u0111a ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi OM4.<\/li>\n<\/ul>\n\n\n\n<p><strong>M\u1ee5c ti\u00eau b\u0103ng th\u00f4ng<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chu\u1ea9n b\u1ecb cho t\u01b0\u01a1ng lai 100G ho\u1eb7c h\u01a1n th\u1ebf n\u1eefa? B\u0103ng th\u00f4ng c\u1ee7a ch\u1ebf \u0111\u1ed9 \u0111\u01a1n s\u1ebd kh\u00f4ng d\u1eebng l\u1ea1i.<\/li>\n\n\n\n<li>10G ho\u1eb7c \u00edt h\u01a1n? Ch\u1ebf \u0111\u1ed9 \u0111a ch\u1ebf \u0111\u1ed9 s\u1ebd \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<p><strong>Ng\u00e2n s\u00e1ch<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n c\u00f3 ng\u00e2n s\u00e1ch eo h\u1eb9p? \u0110\u00e8n LED \u0111a ch\u1ebf \u0111\u1ed9 v\u00e0 thi\u1ebft l\u1eadp \u0111\u01a1n gi\u1ea3n h\u01a1n gi\u00fap ti\u1ebft ki\u1ec7m ti\u1ec1n ngay t\u1eeb \u0111\u1ea7u.<\/li>\n\n\n\n<li>\u0110\u1ea7u t\u01b0 d\u00e0i h\u1ea1n? \u0110\u1ed9 b\u1ec1n c\u1ee7a ch\u1ebf \u0111\u1ed9 \u0111\u01a1n s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ec1n \u0111\u00e1p.<\/li>\n<\/ul>\n\n\n\n<p><strong>C\u00e0i \u0111\u1eb7t<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u0103n ph\u00f2ng nh\u1ecf hay trung t\u00e2m d\u1eef li\u1ec7u? S\u1ef1 d\u1ec5 d\u00e0ng c\u1ee7a ch\u1ebf \u0111\u1ed9 \u0111a ch\u1ebf \u0111\u1ed9 s\u1ebd chi\u1ebfn th\u1eafng.<\/li>\n\n\n\n<li>D\u1ef1 \u00e1n ph\u1ee9c t\u1ea1p, d\u00e0i h\u1ea1n? \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u1ebf \u0111\u1ed9 \u0111\u01a1n l\u00e0 x\u1ee9ng \u0111\u00e1ng v\u1edbi c\u00f4ng s\u1ee9c b\u1ecf ra.<\/li>\n<\/ul>\n\n\n\n<p><strong>Thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u1ea5y <a href=\"https:\/\/commmesh.com\/vi\/product\/lc-connector\/\" target=\"_blank\" rel=\"noreferrer noopener\">LC<\/a> ho\u1eb7c <a href=\"https:\/\/commmesh.com\/vi\/product\/fc-connector\/\" target=\"_blank\" rel=\"noreferrer noopener\">FC<\/a> \u0111\u1ea7u n\u1ed1i? C\u1ea3 hai s\u1ee3i \u0111\u1ec1u gh\u00e9p n\u1ed1i \u0111\u01b0\u1ee3c\u2014CommMesh \u0111\u1ec1u c\u00f3 t\u00f9y ch\u1ecdn cho c\u1ea3 hai.<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5, n\u1ed1i d\u00e2y cho m\u1ed9t trung t\u00e2m d\u1eef li\u1ec7u? Multimode OM4 v\u1edbi \u0111\u1ea7u n\u1ed1i LC l\u00e0 m\u1ed9t c\u00fa n\u00e9m r\u1ed5. K\u1ebft n\u1ed1i hai v\u0103n ph\u00f2ng c\u00e1ch nhau 10 km? Single mode v\u1edbi \u0111\u1ea7u n\u1ed1i FC l\u00e0 tr\u00f2 ch\u01a1i c\u1ee7a b\u1ea1n. T\u1ea1i CommMesh, ch\u00fang t\u00f4i c\u00f3 c\u1ea3 hai\u2014<a href=\"https:\/\/commmesh.com\/vi\/product\/ftth-drop-cable\/\" target=\"_blank\" rel=\"noreferrer noopener\">c\u00e1p ch\u1ebf \u0111\u1ed9 \u0111\u01a1n<\/a> cho FTTH v\u00e0 <a href=\"https:\/\/commmesh.com\/vi\/product\/fiber-patch-cord\/\" target=\"_blank\" rel=\"noreferrer noopener\">d\u00e2y v\u00e1 \u0111a ch\u1ebf \u0111\u1ed9<\/a> \u0111\u1ed1i v\u1edbi m\u1ea1ng LAN, giao h\u00e0ng trong v\u00f2ng 7 ng\u00e0y \u0111\u1ed1i v\u1edbi h\u00e0ng c\u00f3 s\u1eb5n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/outdoor-fiber-cables.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"820\" height=\"503\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/outdoor-fiber-cables.jpg\" alt=\"c\u00e1p quang ngo\u00e0i tr\u1eddi\" class=\"wp-image-2295\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/outdoor-fiber-cables.jpg 820w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/outdoor-fiber-cables-600x368.jpg 600w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/outdoor-fiber-cables-300x184.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/01\/outdoor-fiber-cables-768x471.jpg 768w\" sizes=\"(max-width: 820px) 100vw, 820px\" \/><\/a><figcaption class=\"wp-element-caption\">c\u00e1p quang ngo\u00e0i tr\u1eddi<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a s\u1ee3i quang \u0111\u01a1n mode v\u00e0 \u0111a mode<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee3i quang \u0111\u01a1n mode<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong> Kho\u1ea3ng c\u00e1ch kh\u00f4ng gi\u1edbi h\u1ea1n, b\u0103ng th\u00f4ng l\u1edbn, suy hao t\u00edn hi\u1ec7u th\u1ea5p.<\/li>\n\n\n\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Thi\u1ebft b\u1ecb \u0111\u1eaft ti\u1ec1n h\u01a1n, l\u1eafp \u0111\u1eb7t kh\u00f3 kh\u0103n h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee3i \u0111a mode<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u01afu \u0111i\u1ec3m:<\/strong> R\u1ebb h\u01a1n khi mua ban \u0111\u1ea7u, d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n, th\u00edch h\u1ee3p cho nh\u1eefng chuy\u1ebfn ch\u1ea1y ng\u1eafn.<\/li>\n\n\n\n<li><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong> Ph\u1ea1m vi h\u1ea1n ch\u1ebf, gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng th\u1ea5p.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i kinh \u0111i\u1ec3n\u2014kho\u1ea3ng c\u00e1ch v\u00e0 s\u1ee9c m\u1ea1nh so v\u1edbi chi ph\u00ed v\u00e0 s\u1ef1 ti\u1ec7n l\u1ee3i. Quy\u1ebft \u0111\u1ecbnh c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o n\u01a1i b\u1ea1n h\u01b0\u1edbng \u0111\u1ebfn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ee9c tranh to\u00e0n c\u1ea3nh: T\u1ea1i sao lo\u1ea1i s\u1ee3i l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<p>L\u1ef1a ch\u1ecdn gi\u1eefa <em>ch\u1ebf \u0111\u1ed9 \u0111\u01a1n so v\u1edbi ch\u1ebf \u0111\u1ed9 \u0111a<\/em> kh\u00f4ng ch\u1ec9 l\u00e0 n\u00f3i v\u1ec1 c\u00f4ng ngh\u1ec7\u2014m\u00e0 c\u00f2n \u0111\u1ecbnh h\u00ecnh c\u00e1ch ch\u00fang ta k\u1ebft n\u1ed1i. Ch\u1ebf \u0111\u1ed9 \u0111\u01a1n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a internet, k\u1ebft n\u1ed1i c\u00e1c th\u00e0nh ph\u1ed1 v\u00e0 ch\u00e2u l\u1ee5c, trong khi ch\u1ebf \u0111\u1ed9 \u0111a gi\u00fap c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 v\u0103n ph\u00f2ng ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c. V\u1edbi 5G \u0111ang tri\u1ec3n khai v\u00e0 \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y b\u00f9ng n\u1ed5, nhu c\u1ea7u v\u1ec1 c\u1ea3 hai \u0111\u1ec1u t\u0103ng \u0111\u1ed9t bi\u1ebfn. <a href=\"https:\/\/www.futuremarketinsights.com\/reports\/fiber-optic-cables-market\" target=\"_blank\" rel=\"noreferrer noopener\">Th\u00f4ng tin th\u1ecb tr\u01b0\u1eddng t\u01b0\u01a1ng lai<\/a> d\u1ef1 \u0111o\u00e1n t\u0103ng tr\u01b0\u1edfng c\u00e1p quang l\u00e0 9,8% h\u00e0ng n\u0103m \u0111\u1ebfn n\u0103m 2030\u2014ch\u1ebf \u0111\u1ed9 \u0111\u01a1n \u0111\u1ec3 ti\u1ebfp c\u1eadn, ch\u1ebf \u0111\u1ed9 \u0111a \u0111\u1ec3 c\u00f3 m\u1eadt \u0111\u1ed9. Ch\u1ecdn \u0111\u00fang ch\u1ebf \u0111\u1ed9 gi\u00fap b\u1ea1n \u0111i tr\u01b0\u1edbc xu h\u01b0\u1edbng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>V\u00ec th\u1ebf, <em>s\u1ee3i \u0111\u01a1n mode<\/em> ho\u1eb7c <em>s\u1ee3i \u0111a mode<\/em>? N\u1ebfu b\u1ea1n c\u1ea7n ch\u1ea1y d\u1eef li\u1ec7u qua nhi\u1ec1u d\u1eb7m v\u1edbi ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng, ch\u1ebf \u0111\u1ed9 \u0111\u01a1n l\u00e0 nh\u00e0 v\u00f4 \u0111\u1ecbch marathon c\u1ee7a b\u1ea1n. \u0110\u1ed1i v\u1edbi c\u00e1c cu\u1ed9c ch\u1ea1y n\u01b0\u1edbc r\u00fat ng\u1eafn h\u01a1n, ti\u1ebft ki\u1ec7m chi ph\u00ed, ch\u1ebf \u0111\u1ed9 \u0111a l\u00e0 v\u1eadn \u0111\u1ed9ng vi\u00ean ch\u1ea1y n\u01b0\u1edbc r\u00fat c\u1ee7a b\u1ea1n. D\u00f9 b\u1eb1ng c\u00e1ch n\u00e0o, CommMesh \u0111\u1ec1u c\u00f3 h\u00e0ng h\u00f3a\u2014c\u00e1p ch\u1ebf \u0111\u1ed9 \u0111\u01a1n cho FTTH \u0111\u01b0\u1eddng d\u00e0i ho\u1eb7c d\u00e2y v\u00e1 \u0111a ch\u1ebf \u0111\u1ed9 cho trung t\u00e2m d\u1eef li\u1ec7u, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn FC v\u00e0 s\u1eb5n s\u00e0ng v\u1eadn chuy\u1ec3n nhanh ch\u00f3ng. Truy c\u1eadp <a href=\"https:\/\/commmesh.com\/vi\/\" target=\"_blank\" rel=\"noreferrer noopener\">www.commmesh.com<\/a> \u0111\u1ec3 kh\u00e1m ph\u00e1 ph\u1ea1m vi c\u1ee7a ch\u00fang t\u00f4i v\u00e0 ch\u1ecdn s\u1ee3i ho\u00e0n h\u1ea3o cho b\u01b0\u1edbc ti\u1ebfp theo c\u1ee7a b\u1ea1n. H\u00e3y ti\u1ebfp t\u1ee5c cu\u1ed9c \u0111ua d\u1eef li\u1ec7u!<\/p>","protected":false},"excerpt":{"rendered":"<p>D\u1eef li\u1ec7u h\u00ecnh \u1ea3nh ch\u1ea1y qua c\u00e1p nh\u01b0 \u00f4 t\u00f4 tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c. B\u00e2y gi\u1edd, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng hai lo\u1ea1i \u0111\u01b0\u1eddng: m\u1ed9t l\u00e0 \u0111\u01b0\u1eddng h\u1eb9p, m\u1ed9t l\u00e0n xe \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ch\u1ea1y nhanh tr\u00ean nh\u1eefng qu\u00e3ng \u0111\u01b0\u1eddng d\u00e0i, trong khi lo\u1ea1i kia l\u00e0 \u0111\u01b0\u1eddng cao t\u1ed1c r\u1ed9ng h\u01a1n, nhi\u1ec1u l\u00e0n xe, \u0111\u00f4ng \u0111\u00fac xe c\u1ed9 tr\u00ean nh\u1eefng \u0111o\u1ea1n \u0111\u01b0\u1eddng ng\u1eafn h\u01a1n. \u0110\u00f3 l\u00e0 b\u1ea3n ch\u1ea5t c\u1ee7a s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 so v\u1edbi s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9\u2014hai t\u00f9y ch\u1ecdn m\u1ea1nh m\u1ebd trong c\u00e1p quang [\u2026]<\/p>","protected":false},"author":1,"featured_media":2913,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Single Mode vs Multimode Fiber: Which One\u2019s Right for You?","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[34],"tags":[],"class_list":["post-2788","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/2788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/comments?post=2788"}],"version-history":[{"count":13,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/2788\/revisions"}],"predecessor-version":[{"id":2916,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/2788\/revisions\/2916"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/media\/2913"}],"wp:attachment":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/media?parent=2788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/categories?post=2788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/tags?post=2788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}