{"id":3046,"date":"2025-03-21T09:58:24","date_gmt":"2025-03-21T09:58:24","guid":{"rendered":"https:\/\/commmesh.com\/?p=3046"},"modified":"2025-03-22T03:44:34","modified_gmt":"2025-03-22T03:44:34","slug":"os1-vs-os2","status":"publish","type":"post","link":"https:\/\/commmesh.com\/vi\/os1-vs-os2\/","title":{"rendered":"C\u00e1p quang OS1 so v\u1edbi OS2: So s\u00e1nh \u0111\u1ea7y \u0111\u1ee7"},"content":{"rendered":"<p>H\u00ecnh \u1ea3nh <em>OS1 so v\u1edbi OS2<\/em> nh\u01b0 hai ki\u1ebfn tr\u00fac s\u01b0 l\u00e0nh ngh\u1ec1\u2014m\u1ed9t ng\u01b0\u1eddi thi\u1ebft k\u1ebf m\u1ed9t n\u01a1i ngh\u1ec9 d\u01b0\u1ee1ng v\u0103n ph\u00f2ng \u1ea5m c\u00fang, ng\u01b0\u1eddi kia thi\u1ebft k\u1ebf m\u1ed9t khu \u0111\u00f4 th\u1ecb r\u1ed9ng l\u1edbn. C\u00e1c nh\u00e3n n\u00e0y ph\u00e2n lo\u1ea1i c\u00e1p quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n theo <a href=\"https:\/\/www.iso.org\/standard\/72908.html\" target=\"_blank\" rel=\"noreferrer noopener\">Ti\u00eau chu\u1ea9n ISO\/IEC 11801<\/a> ti\u00eau chu\u1ea9n, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng xung \u00e1nh s\u00e1ng qua l\u00f5i 8-10 micron. OS1 v\u00e0 OS2 kh\u00e1c nhau v\u1ec1 ph\u1ea1m vi, \u0111\u1ed9 b\u1ec1n v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, khi\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa ch\u00fang tr\u1edf n\u00ean th\u1ef1c t\u1ebf\u2014cho d\u00f9 b\u1ea1n c\u1ea7n c\u00e1p cho k\u1ebft n\u1ed1i trong nh\u00e0 ng\u1eafn hay li\u00ean k\u1ebft ngo\u00e0i tr\u1eddi m\u1ea1nh m\u1ebd k\u00e9o d\u00e0i h\u00e0ng ch\u1ee5c km. Quy\u1ebft \u0111\u1ecbnh c\u1ee7a b\u1ea1n ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 kho\u1ea3ng c\u00e1ch, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng v\u00e0 ng\u00e2n s\u00e1ch, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u1ecbnh h\u00ecnh hi\u1ec7u qu\u1ea3 v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a m\u1ea1ng.<\/p>\n\n\n\n<p>H\u01b0\u1edbng d\u1eabn chuy\u00ean s\u00e2u n\u00e0y kh\u00e1m ph\u00e1 <em>OS1 so v\u1edbi OS2<\/em>, n\u00eau chi ti\u1ebft th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, k\u1ecbch b\u1ea3n tri\u1ec3n khai, chi ph\u00ed v\u00e0 nhi\u1ec1u th\u00f4ng tin kh\u00e1c \u0111\u1ec3 gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn <em>s\u1ee3i \u0111\u01a1n mode t\u1ed1t nh\u1ea5t<\/em> cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch c\u00e1c s\u1eafc th\u00e1i k\u1ef9 thu\u1eadt, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 m\u1eb9o t\u00edch h\u1ee3p, \u0111\u1ed3ng th\u1eddi n\u00eau b\u1eadt c\u00e1c t\u00f9y ch\u1ecdn ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a CommMesh. Cho d\u00f9 b\u1ea1n \u0111ang l\u1eafp d\u00e2y cho m\u1ed9t v\u0103n ph\u00f2ng nh\u1ecf hay m\u1ed9t m\u1ea1ng l\u01b0\u1edbi vi\u1ec5n th\u00f4ng r\u1ed9ng l\u1edbn, b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y s\u1ef1 r\u00f5 r\u00e0ng c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1ef1a ch\u1ecdn m\u1ed9t c\u00e1ch kh\u00f4n ngoan\u2014OS1 cho \u0111\u1ed9 ch\u00ednh x\u00e1c trong kh\u00f4ng gian ch\u1eadt h\u1eb9p ho\u1eb7c OS2 cho ngu\u1ed3n \u0111i\u1ec7n tr\u00ean nh\u1eefng \u0111o\u1ea1n \u0111\u01b0\u1eddng d\u00e0i. H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u chi ti\u1ebft v\u00e0 l\u1eadp b\u1ea3n \u0111\u1ed3 gi\u1ea3i ph\u00e1p c\u00e1p ho\u00e0n h\u1ea3o c\u1ee7a b\u1ea1n!<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ecbnh ngh\u0129a OS1 so v\u1edbi OS2: \u0110\u1eb7c \u0111i\u1ec3m c\u1ed1t l\u00f5i<\/h2>\n\n\n\n<p>C\u00e1c <em>OS1 so v\u1edbi OS2<\/em> s\u1ef1 kh\u00e1c bi\u1ec7t b\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u01a1 b\u1ea3n c\u1ee7a ch\u00fang, c\u1ea3 hai \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean ITU <a href=\"https:\/\/commmesh.com\/vi\/g657a1-vs-g657a2-vs-g652d\/\" target=\"_blank\" rel=\"noreferrer noopener\">G652D<\/a> ti\u00eau chu\u1ea9n cho s\u1ee3i quang \u0111\u01a1n mode.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a OS1<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1ef1 \u0111\u1ecbnh ngh\u0129a:<\/strong> OS1 l\u00e0 s\u1ee3i quang \u0111\u01a1n mode \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho m\u00f4i tr\u01b0\u1eddng trong nh\u00e0 ho\u1eb7c \u0111\u01b0\u1eddng truy\u1ec1n ngo\u00e0i tr\u1eddi ng\u1eafn, t\u1eadp trung v\u00e0o c\u00e1c thi\u1ebft l\u1eadp \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u1edbi gi\u1edbi h\u1ea1n hi\u1ec7u su\u1ea5t c\u1ee5 th\u1ec3.<\/li>\n\n\n\n<li><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt:<\/strong> C\u00f3 l\u00f5i 8-10 micron, l\u1edbp v\u1ecf 125 micron v\u00e0 t\u1ed1i \u0111a <a href=\"https:\/\/www.fiberopticssolutions.com\/glossary\/attenuation\" target=\"_blank\" rel=\"noreferrer noopener\">s\u1ef1 suy gi\u1ea3m<\/a> 1,0 dB\/km \u1edf b\u01b0\u1edbc s\u00f3ng 1310 nm v\u00e0 1550 nm. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ec7m ch\u1eb7t, t\u1ea1o ra l\u1edbp b\u1ea3o v\u1ec7 xung quanh s\u1ee3i quang \u0111\u1ec3 d\u1ec5 x\u1eed l\u00fd trong nh\u00e0 h\u01a1n.<\/li>\n\n\n\n<li><strong>M\u1ee5c \u0111\u00edch:<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho kho\u1ea3ng c\u00e1ch l\u00ean \u0111\u1ebfn 10 km, OS1 ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00e1p c\u00f3 c\u1ea5u tr\u00fac n\u01a1i c\u00f3 kho\u1ea3ng c\u00e1ch ng\u1eafn v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u1ed5n \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u00ean trong c\u00e1c t\u00f2a nh\u00e0 ho\u1eb7c gi\u1eefa c\u00e1c c\u00f4ng tr\u00ecnh g\u1ea7n nhau.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> C\u1ea5u tr\u00fac c\u1ee7a n\u00f3 \u01b0u ti\u00ean t\u00ednh linh ho\u1ea1t v\u00e0 \u0111\u01a1n gi\u1ea3n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i nh\u01b0 <a href=\"https:\/\/commmesh.com\/vi\/product\/sc-connector\/\" target=\"_blank\" rel=\"noreferrer noopener\">SC<\/a> ho\u1eb7c <a href=\"https:\/\/commmesh.com\/vi\/product\/lc-connector\/\" target=\"_blank\" rel=\"noreferrer noopener\">LC<\/a>v\u00e0 \u00edt t\u1eadp trung v\u00e0o kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i m\u00f4i tr\u01b0\u1eddng h\u01a1n so v\u1edbi phi\u00ean b\u1ea3n OS2.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/OS1-VS-OS2.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/OS1-VS-OS2.jpg\" alt=\"OS1 so v\u1edbi OS2\" class=\"wp-image-3063\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/OS1-VS-OS2.jpg 800w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/OS1-VS-OS2-300x169.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/OS1-VS-OS2-768x432.jpg 768w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/OS1-VS-OS2-600x338.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><figcaption class=\"wp-element-caption\">OS1 so v\u1edbi OS2<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ed1t l\u00f5i c\u1ee7a OS2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1ef1 \u0111\u1ecbnh ngh\u0129a:<\/strong> OS2 l\u00e0 s\u1ee3i quang \u0111\u01a1n mode c\u1ea3i ti\u1ebfn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi trong th\u1eddi gian d\u00e0i, mang l\u1ea1i kh\u1ea3 n\u0103ng suy hao v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i.<\/li>\n\n\n\n<li><strong>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt:<\/strong> Chia s\u1ebb c\u00f9ng l\u00f5i 8-10 micron v\u00e0 l\u1edbp ph\u1ee7 125 micron nh\u01b0ng gi\u1edbi h\u1ea1n suy gi\u1ea3m \u1edf m\u1ee9c 0,4 dB\/km \u1edf 1310 nm v\u00e0 1550 nm. N\u00f3 th\u01b0\u1eddng s\u1eed d\u1ee5ng thi\u1ebft k\u1ebf \u1ed1ng r\u1eddi, trong \u0111\u00f3 c\u00e1c s\u1ee3i n\u1ed5i b\u00ean trong \u1ed1ng b\u1ea3o v\u1ec7 \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t b\u00ean ngo\u00e0i.<\/li>\n\n\n\n<li><strong>M\u1ee5c \u0111\u00edch:<\/strong> \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 40 km, OS2 ph\u1ee5c v\u1ee5 c\u00e1c m\u1ea1ng vi\u1ec5n th\u00f4ng, tri\u1ec3n khai FTTH v\u00e0 c\u00e1c li\u00ean k\u1ebft \u0111\u00f4 th\u1ecb, ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi \u0111\u1ea7y th\u00e1ch th\u1ee9c.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> C\u1ea5u tr\u00fac \u1ed1ng l\u1ecfng th\u01b0\u1eddng bao g\u1ed3m c\u00e1c h\u1ee3p ch\u1ea5t ho\u1eb7c gel ch\u1eb7n n\u01b0\u1edbc, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi \u0111\u1ed9 \u1ea9m v\u00e0 bi\u1ebfn \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 - y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh l\u1eafp \u0111\u1eb7t tr\u00ean kh\u00f4ng ho\u1eb7c ng\u1ea7m.<\/li>\n<\/ul>\n\n\n\n<p>CommMesh cung c\u1ea5p OS1 cho \u0111\u1ed9 ch\u00ednh x\u00e1c nh\u1ecf g\u1ecdn v\u00e0 OS2 cho \u0111\u1ed9 b\u1ec1n k\u00e9o d\u00e0i\u2014c\u1ea3 hai \u0111\u1ec1u b\u1eaft ngu\u1ed3n t\u1eeb ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a G652D.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng kho\u1ea3ng c\u00e1ch c\u1ee7a OS1 so v\u1edbi OS2<\/h2>\n\n\n\n<p>Kho\u1ea3ng c\u00e1ch l\u00e0 m\u1ed9t s\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng trong <em>OS1 so v\u1edbi OS2<\/em>, quy\u1ebft \u0111\u1ecbnh t\u00edn hi\u1ec7u c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 truy\u1ec1n \u0111i bao xa tr\u01b0\u1edbc khi c\u1ea7n h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1edbi h\u1ea1n kho\u1ea3ng c\u00e1ch OS1<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ph\u1ea1m vi:<\/strong> C\u00f3 hi\u1ec7u qu\u1ea3 l\u00ean \u0111\u1ebfn 10 km \u1edf 10G\u2014gi\u1edbi h\u1ea1n suy gi\u1ea3m 1,0 dB\/km c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb b\u1ed5 sung.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn h\u01a1n nh\u01b0 m\u1ea1ng l\u01b0\u1edbi tr\u01b0\u1eddng h\u1ecdc ho\u1eb7c trung t\u00e2m d\u1eef li\u1ec7u trong th\u00e0nh ph\u1ed1, OS1 duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00edn hi\u1ec7u trong ph\u1ea1m vi n\u00e0y. Ngo\u00e0i 10 km, m\u1ea5t t\u00edn hi\u1ec7u t\u00edch t\u1ee5 (v\u00ed d\u1ee5, t\u1ed5ng c\u1ed9ng 10 dB \u1edf 10 km), \u0111\u00f2i h\u1ecfi b\u1ed9 khu\u1ebfch \u0111\u1ea1i ho\u1eb7c b\u1ed9 l\u1eb7p, l\u00e0m t\u0103ng th\u00eam chi ph\u00ed v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p. N\u00f3 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho ho\u1ea1t \u0111\u1ed9ng 1310 nm ho\u1eb7c 1550 nm, ph\u1ed5 bi\u1ebfn trong thi\u1ebft b\u1ecb c\u1ea5p doanh nghi\u1ec7p.<\/li>\n\n\n\n<li><strong>V\u00ed d\u1ee5:<\/strong> \u0110\u01b0\u1eddng truy\u1ec1n 5 km gi\u1eefa hai t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng trong m\u1ed9t khu c\u00f4ng nghi\u1ec7p\u2014OS1 cung c\u1ea5p k\u1ebft n\u1ed1i \u0111\u00e1ng tin c\u1eady m\u00e0 kh\u00f4ng qu\u00e1 m\u1ee9c.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m c\u1ee7a kho\u1ea3ng c\u00e1ch OS2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ph\u1ea1m vi:<\/strong> \u0110\u1ea1t t\u1edbi 40 km ho\u1eb7c h\u01a1n \u1edf 10G\u2014m\u1ea5t m\u00e1t 0,4 dB\/km \u0111\u1ea3m b\u1ea3o c\u01b0\u1eddng \u0111\u1ed9 t\u00edn hi\u1ec7u tr\u00ean ph\u1ea1m vi r\u1ed9ng l\u1edbn.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> L\u00fd t\u01b0\u1edfng cho m\u1ea1ng vi\u1ec5n th\u00f4ng \u0111\u00f4 th\u1ecb ho\u1eb7c n\u00f4ng th\u00f4n, OS2 gi\u1ea3m thi\u1ec3u nhu c\u1ea7u t\u0103ng c\u01b0\u1eddng trung gian (v\u00ed d\u1ee5: ch\u1ec9 m\u1ea5t 16 dB \u1edf 40 km), gi\u1ea3m chi ph\u00ed c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng. N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01b0\u1eddng d\u00e0i, h\u1ed7 tr\u1ee3 c\u00e1c li\u00ean k\u1ebft dung l\u01b0\u1ee3ng cao v\u1edbi \u00edt gi\u00e1n \u0111o\u1ea1n h\u01a1n v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh \u1edf b\u01b0\u1edbc s\u00f3ng 1310 nm v\u00e0 1550 nm.<\/li>\n\n\n\n<li><strong>V\u00ed d\u1ee5:<\/strong> Tuy\u1ebfn c\u00e1p quang d\u00e0i 35 km k\u1ebft n\u1ed1i m\u1ed9t th\u1ecb tr\u1ea5n nh\u1ecf v\u1edbi m\u1ed9t trung t\u00e2m trao \u0111\u1ed5i d\u1eef li\u1ec7u\u2014OS2 duy tr\u00ec lu\u1ed3ng d\u1eef li\u1ec7u v\u1edbi s\u1ef1 can thi\u1ec7p t\u1ed1i thi\u1ec3u.<\/li>\n<\/ul>\n\n\n\n<p>OS1 x\u1eed l\u00fd c\u00e1c hop c\u1ee5c b\u1ed9, trong khi OS2 m\u1edf r\u1ed9ng kho\u1ea3ng c\u00e1ch r\u1ed9ng. CommMesh cung c\u1ea5p c\u1ea3 hai cho nhu c\u1ea7u kho\u1ea3ng c\u00e1ch c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-scaled.jpg\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-1024x1024.jpg\" alt=\"GYXTW\" class=\"wp-image-3065\" style=\"width:800px\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-1024x1024.jpg 1024w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-300x300.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-150x150.jpg 150w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-768x768.jpg 768w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-1536x1536.jpg 1536w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-2048x2048.jpg 2048w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-600x600.jpg 600w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/9G4A8672-100x100.jpg 100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">GYXTW<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ef1 ph\u00f9 h\u1ee3p v\u1ec1 m\u00f4i tr\u01b0\u1eddng trong OS1 so v\u1edbi OS2<\/h2>\n\n\n\n<p>\u1ede \u0111\u00e2u <em>OS1 so v\u1edbi OS2<\/em> c\u00e1ch c\u00e1p ho\u1ea1t \u0111\u1ed9ng\u2014trong nh\u00e0 ho\u1eb7c ngo\u00e0i tr\u1eddi\u2014s\u1ebd \u0111\u1ecbnh h\u00ecnh thi\u1ebft k\u1ebf v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">OS1 L\u1ea5y n\u00e9t trong nh\u00e0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1ef1 ph\u00f9 h\u1ee3p:<\/strong> Ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng trong nh\u00e0\u2014c\u1ea5u tr\u00fac \u0111\u1ec7m ch\u1eb7t b\u1ea3o v\u1ec7 trong m\u00f4i tr\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> OS1 ph\u00e1t tri\u1ec3n m\u1ea1nh trong c\u00e1c v\u0103n ph\u00f2ng, trung t\u00e2m d\u1eef li\u1ec7u ho\u1eb7c \u0111\u01b0\u1eddng ch\u1ea1y ngo\u00e0i tr\u1eddi ng\u1eafn v\u1edbi b\u1ea3o v\u1ec7 \u1ed1ng d\u1eabn. N\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 ti\u1ebfp x\u00fac l\u00e2u v\u1edbi \u0111\u1ed9 \u1ea9m, tia UV ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t (v\u00ed d\u1ee5: -20\u00b0C \u0111\u1ebfn 70\u00b0C trong nh\u00e0 so v\u1edbi ph\u1ea1m vi ngo\u00e0i tr\u1eddi r\u1ed9ng h\u01a1n). B\u1ed9 \u0111\u1ec7m ch\u1eb7t ch\u1ebd th\u00eam m\u1ed9t l\u1edbp nh\u1ef1a tr\u1ef1c ti\u1ebfp l\u00ean s\u1ee3i, gi\u00fap d\u1ec5 d\u00e0ng \u0111\u1ecbnh tuy\u1ebfn qua t\u01b0\u1eddng ho\u1eb7c khay.<\/li>\n\n\n\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> C\u00e1c t\u1ea7ng k\u1ebft n\u1ed1i trong t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng 10 t\u1ea7ng\u2014OS1 ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o v\u1edbi b\u1ed1i c\u1ea3nh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i ngo\u00e0i tr\u1eddi c\u1ee7a OS2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u1ef1 ph\u00f9 h\u1ee3p:<\/strong> \u0110\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho \u0111\u1ed9 b\u1ec1n ngo\u00e0i tr\u1eddi\u2014thi\u1ebft k\u1ebf \u1ed1ng r\u1eddi ch\u1ecbu \u0111\u01b0\u1ee3c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> OS2 \u0111\u01b0\u1ee3c tri\u1ec3n khai trong c\u00e1p tr\u00ean kh\u00f4ng, \u1ed1ng d\u1eabn ng\u1ea7m ho\u1eb7c c\u00e1c thi\u1ebft l\u1eadp ch\u00f4n tr\u1ef1c ti\u1ebfp, ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc (th\u01b0\u1eddng c\u00f3 \u1ed1ng ch\u1ee9a gel), nhi\u1ec7t \u0111\u1ed9 dao \u0111\u1ed9ng (-40\u00b0C \u0111\u1ebfn 85\u00b0C) v\u00e0 \u1ee9ng su\u1ea5t v\u1eadt l\u00fd. C\u1ea5u tr\u00fac \u1ed1ng l\u1ecfng cho ph\u00e9p s\u1ee3i di chuy\u1ec3n nh\u1eb9, gi\u1ea3m \u1ee9ng su\u1ea5t do u\u1ed1n cong ho\u1eb7c k\u00e9o trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t ho\u1eb7c thay \u0111\u1ed5i m\u00f4i tr\u01b0\u1eddng.<\/li>\n\n\n\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/strong> \u0110\u01b0\u1eddng d\u00e2y tr\u00ean kh\u00f4ng d\u00e0i 20 km gi\u1eefa c\u00e1c c\u1ed9t \u0111i\u1ec7n \u1edf khu v\u1ef1c n\u00f4ng th\u00f4n\u2014OS2 ch\u1ecbu \u0111\u01b0\u1ee3c gi\u00f3, m\u01b0a v\u00e0 n\u1eafng.<\/li>\n<\/ul>\n\n\n\n<p>OS1 n\u1ed5i tr\u1ed9i trong n\u1ed9i th\u1ea5t \u1ea5m c\u00fang\u2014OS2 th\u00e1ch th\u1ee9c th\u1ebf gi\u1edbi hoang d\u00e3 ngo\u00e0i tr\u1eddi. CommMesh x\u00e2y d\u1ef1ng c\u1ea3 hai cho mi\u1ec1n c\u1ee7a h\u1ecd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u0103ng th\u00f4ng v\u00e0 t\u1ed1c \u0111\u1ed9 trong OS1 so v\u1edbi OS2<\/h2>\n\n\n\n<p>Kh\u1ea3 n\u0103ng b\u0103ng th\u00f4ng v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a <em>OS1 so v\u1edbi OS2<\/em> x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u c\u1ee7a ch\u00fang\u2014c\u1ea3 hai \u0111\u1ec1u l\u00e0 ch\u1ebf \u0111\u1ed9 \u0111\u01a1n, nh\u01b0ng kho\u1ea3ng c\u00e1ch \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng OS1<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ed1c \u0111\u1ed9:<\/strong> H\u1ed7 tr\u1ee3 10G, 40G ho\u1eb7c 100G\u2014l\u00ean \u0111\u1ebfn 10 km \u1edf 10G do \u0111\u1ed9 suy gi\u1ea3m 1,0 dB\/km.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> OS1 cung c\u1ea5p b\u0103ng th\u00f4ng cao cho c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n ng\u1eafn, s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc s\u00f3ng chu\u1ea9n (1310 nm cho c\u00e1c li\u00ean k\u1ebft ng\u1eafn h\u01a1n, 1550 nm cho c\u00e1c li\u00ean k\u1ebft d\u00e0i h\u01a1n m\u1ed9t ch\u00fat). Tr\u00ean 10 km, suy gi\u1ea3m t\u00edn hi\u1ec7u gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 m\u00e0 kh\u00f4ng c\u1ea7n khu\u1ebfch \u0111\u1ea1i\u2014v\u00ed d\u1ee5, \u1edf 15 km, suy hao v\u01b0\u1ee3t qu\u00e1 15 dB, \u0111\u1ea9y gi\u1edbi h\u1ea1n thi\u1ebft b\u1ecb.<\/li>\n\n\n\n<li><strong>Gi\u1edbi h\u1ea1n:<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi m\u1ea1ng doanh nghi\u1ec7p nh\u01b0ng b\u1ecb h\u1ea1n ch\u1ebf v\u1ec1 ph\u1ea1m vi.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee9c m\u1ea1nh b\u0103ng th\u00f4ng OS2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u1ed1c \u0111\u1ed9:<\/strong> C\u00f9ng 10G, 40G, 100G\u2014nh\u01b0ng duy tr\u00ec 10G tr\u00ean 40 km+ v\u1edbi m\u1ee9c suy hao 0,4 dB\/km.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> OS2 duy tr\u00ec b\u0103ng th\u00f4ng tr\u00ean kho\u1ea3ng c\u00e1ch xa h\u01a1n, l\u00fd t\u01b0\u1edfng cho vi\u1ec5n th\u00f4ng ho\u1eb7c FTTH n\u01a1i d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao ph\u1ea3i truy\u1ec1n \u0111i xa\u2014v\u00ed d\u1ee5, ch\u1ec9 m\u1ea5t 16 dB \u1edf 40 km, n\u1eb1m trong ph\u1ea1m vi dung sai c\u1ee7a m\u00e1y thu ph\u00e1t. N\u00f3 c\u00f3 hi\u1ec7u qu\u1ea3 nh\u01b0 nhau \u1edf 1310 nm v\u00e0 1550 nm, mang l\u1ea1i s\u1ef1 linh ho\u1ea1t cho c\u00e1c h\u1ec7 th\u1ed1ng DWDM (gh\u00e9p k\u00eanh ph\u00e2n chia b\u01b0\u1edbc s\u00f3ng d\u00e0y \u0111\u1eb7c).<\/li>\n\n\n\n<li><strong>B\u1edd r\u00eca:<\/strong> M\u1edf r\u1ed9ng hi\u1ec7u su\u1ea5t dung l\u01b0\u1ee3ng cao m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea7n c\u1ee9ng b\u1ed5 sung.<\/li>\n<\/ul>\n\n\n\n<p>C\u1ea3 hai lo\u1ea1i c\u00e1p \u0111\u1ec1u c\u00f3 t\u1ed1c \u0111\u1ed9\u2014OS2 \u0111\u01b0a t\u1ed1c \u0111\u1ed9 \u0111i xa h\u01a1n. CommMesh \u0111\u1ea3m b\u1ea3o b\u0103ng th\u00f4ng t\u1ed1i \u0111a cho b\u1ea5t k\u1ef3 kho\u1ea3ng c\u00e1ch n\u00e0o.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/3.jpg\"><img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/3-1024x1024.jpg\" alt=\"GYFTY53\" class=\"wp-image-3068\" style=\"width:800px\" srcset=\"https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/3-1024x1024.jpg 1024w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/3-300x300.jpg 300w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/3-150x150.jpg 150w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/3-768x768.jpg 768w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/3-600x600.jpg 600w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/3-100x100.jpg 100w, https:\/\/commmesh.com\/wp-content\/uploads\/2025\/03\/3.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">GYFTY53<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2n nh\u1eafc v\u1ec1 chi ph\u00ed cho OS1 so v\u1edbi OS2<\/h2>\n\n\n\n<p>C\u00e1c <em>OS1 so v\u1edbi OS2<\/em> gi\u00e1 c\u1ea3 ph\u1ea3n \u00e1nh kh\u1ea3 n\u0103ng c\u1ee7a ch\u00fang\u2014ti\u1ebft ki\u1ec7m so v\u1edbi hi\u1ec7u su\u1ea5t n\u00e2ng cao.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00e2n t\u00edch gi\u00e1 OS1<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ph\u1ea1m vi:<\/strong> $0,05-$0,10 tr\u00ean m\u1ed9t m\u00e9t\u2014chi ph\u00ed th\u1ea5p h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng ng\u1eafn h\u01a1n, \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/li>\n\n\n\n<li><strong>T\u1ea1i sao:<\/strong> Thi\u1ebft k\u1ebf \u0111\u1ec7m ch\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu suy gi\u1ea3m cao h\u01a1n (1,0 dB\/km) l\u00e0m gi\u1ea3m nhu c\u1ea7u s\u1ea3n xu\u1ea5t\u2014\u00edt t\u1eadp trung v\u00e0o \u0111\u1ed9 suy hao c\u1ef1c th\u1ea5p ho\u1eb7c \u0111\u1ed9 b\u1ec1n.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> Chi ph\u00ed cho m\u1ed9t l\u1ea7n ch\u1ea1y OS1 d\u00e0i 5 km l\u00e0 $250-$500, c\u1ed9ng v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i (v\u00ed d\u1ee5: SC \u1edf m\u1ee9c $2-$5 m\u1ed7i \u0111\u1ea7u) v\u00e0 nh\u00e2n c\u00f4ng n\u1ed1i (v\u00ed d\u1ee5: $10-$20 cho m\u1ed7i l\u1ea7n n\u1ed1i). \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m cho c\u00e1c l\u1ea7n ch\u1ea1y ng\u1eafn trong nh\u00e0 ho\u1eb7c \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, tr\u00e1nh nhu c\u1ea7u che ch\u1eafn m\u00f4i tr\u01b0\u1eddng r\u1ed9ng r\u00e3i.<\/li>\n\n\n\n<li><strong>Ph\u00f9 h\u1ee3p:<\/strong> Ti\u1ebft ki\u1ec7m chi ph\u00ed cho k\u1ebft n\u1ed1i trong tr\u01b0\u1eddng h\u1ecdc ho\u1eb7c v\u0103n ph\u00f2ng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00e2n t\u00edch gi\u00e1 OS2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ph\u1ea1m vi:<\/strong> $0.08-$0.15 tr\u00ean m\u1ed9t m\u00e9t\u2014cao h\u01a1n \u0111\u1ec3 c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i.<\/li>\n\n\n\n<li><strong>T\u1ea1i sao:<\/strong> K\u1ebft c\u1ea5u \u1ed1ng r\u1eddi, \u0111\u1ed9 suy hao th\u1ea5p h\u01a1n (0,4 dB\/km) v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft (v\u00ed d\u1ee5 nh\u01b0 gel ho\u1eb7c b\u0103ng d\u00ednh) l\u00e0m t\u0103ng chi ph\u00ed v\u1eadt li\u1ec7u v\u00e0 s\u1ea3n xu\u1ea5t - \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 c\u00f3 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> \u0110\u01b0\u1eddng ch\u1ea1y OS2 d\u00e0i 20 km c\u00f3 gi\u00e1 t\u1eeb $1.600-$3.000\u2014t\u00ednh \u0111\u1ebfn c\u00e1c \u0111\u1ea7u n\u1ed1i (v\u00ed d\u1ee5: LC \u1edf m\u1ee9c $5-$10 cho m\u1ed7i c\u1eb7p) v\u00e0 nhi\u1ec1u m\u1ed1i n\u1ed1i h\u01a1n (v\u00ed d\u1ee5: $15-$25 cho m\u1ed7i m\u1ed1i n\u1ed1i do chi\u1ec1u d\u00e0i). \u0110\u00e2y l\u00e0 kho\u1ea3n \u0111\u1ea7u t\u01b0 cho c\u00e1c thi\u1ebft l\u1eadp \u0111\u01b0\u1eddng d\u00e0i ho\u1eb7c ngo\u00e0i tr\u1eddi, n\u01a1i hi\u1ec7u su\u1ea5t quan tr\u1ecdng h\u01a1n chi ph\u00ed ban \u0111\u1ea7u.<\/li>\n\n\n\n<li><strong>Ph\u00f9 h\u1ee3p:<\/strong> It&#8217;s worth it for telecom or FTTH networks.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u00e1ch th\u1ee9c tri\u1ec3n khai c\u1ee7a OS1 so v\u1edbi OS2<\/h2>\n\n\n\n<p>C\u00e0i \u0111\u1eb7t <em>OS1 so v\u1edbi OS2<\/em> C\u00e1p c\u00f3 nh\u1eefng r\u00e0o c\u1ea3n ri\u00eang li\u00ean quan \u0111\u1ebfn c\u1ea5u t\u1ea1o v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ec5 d\u00e0ng tri\u1ec3n khai OS1<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00e1ch th\u1ee9c:<\/strong> T\u1ed1i gi\u1ea3n\u2014c\u00e1p \u0111\u1ec7m ch\u1eb7t, linh ho\u1ea1t v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng trong nh\u00e0.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> \u0110\u01b0\u1ee3c k\u1ebft th\u00fac b\u1eb1ng c\u00e1c \u0111\u1ea7u n\u1ed1i nh\u01b0 SC ho\u1eb7c LC (v\u00ed d\u1ee5: $2-$5 m\u1ed7i \u0111\u1ea7u n\u1ed1i), \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m b\u1eb1ng <a href=\"https:\/\/www.viavisolutions.com\/en-us\/solutions\/otdr-testing\" target=\"_blank\" rel=\"noreferrer noopener\">M\u00e1y \u0111o OTDR<\/a> \u0111\u1ed1i v\u1edbi t\u1ed5n th\u1ea5t 1,0 dB\/km\u2014thi\u1ebft l\u1eadp nhanh ch\u00f3ng v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ti\u00eau chu\u1ea9n nh\u01b0 dao c\u1eaft v\u00e0 m\u00e1y gh\u00e9p (v\u00ed d\u1ee5, <a href=\"https:\/\/www.fiberoptics4sale.com\/blogs\/archive-posts\/95048070-fiber-optic-splicing\" target=\"_blank\" rel=\"noreferrer noopener\">n\u1ed1i nhi\u1ec7t h\u1ea1ch<\/a> \u1edf $10-$20 cho m\u1ed7i m\u1ed1i n\u1ed1i). N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn qua khay ho\u1eb7c \u1ed1ng d\u1eabn m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng, ch\u1ec9 c\u1ea7n b\u1ea3o v\u1ec7 c\u01a1 b\u1ea3n ch\u1ed1ng l\u1ea1i c\u00e1c kh\u00fac cua g\u1ea5p (b\u00e1n k\u00ednh t\u1ed1i thi\u1ec3u 30 mm).<\/li>\n\n\n\n<li><strong>T\u1eadp trung:<\/strong> Tri\u1ec3n khai nhanh ch\u00f3ng trong m\u00f4i tr\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh, ng\u1eafn h\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 ph\u1ee9c t\u1ea1p tri\u1ec3n khai OS2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Th\u00e1ch th\u1ee9c:<\/strong> Ph\u1ee9c t\u1ea1p h\u01a1n\u2014\u1ed1ng l\u1ecfng \u0111\u00f2i h\u1ecfi ph\u1ea3i x\u1eed l\u00fd c\u1ea9n th\u1eadn, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u1edf ngo\u00e0i tr\u1eddi.<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> C\u1ea7n \u1ed1ng b\u1ecdc ho\u1eb7c \u1ed1ng d\u1eabn cho c\u00e1c \u0111\u01b0\u1eddng ch\u1ea1y tr\u00ean kh\u00f4ng\/ch\u00f4n, th\u1eed nghi\u1ec7m OTDR cho m\u1ee9c suy hao 0,4 dB\/km\u2014nhi\u1ec1u \u0111i\u1ec3m n\u1ed1i h\u01a1n (v\u00ed d\u1ee5: $15-$25 m\u1ed7i \u0111i\u1ec3m) tr\u00ean kho\u1ea3ng c\u00e1ch xa \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ec3 duy tr\u00ec m\u1ee9c suy hao th\u1ea5p. C\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 \u0111\u1ed9 \u1ea9m (b\u1ecb gel ch\u1eb7n) ho\u1eb7c \u0111\u1ed9 c\u0103ng (v\u00ed d\u1ee5: l\u1ef1c k\u00e9o 1000 N) l\u00e0m t\u0103ng th\u00eam c\u00e1c b\u01b0\u1edbc\u2014ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t ph\u1ea3i c\u1ed1 \u0111\u1ecbnh c\u00e1p ch\u1ed1ng l\u1ea1i gi\u00f3 ho\u1eb7c \u0111\u1ea5t d\u1ecbch chuy\u1ec3n.<\/li>\n\n\n\n<li><strong>T\u1eadp trung:<\/strong> \u0110\u1ed9 b\u1ec1n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u trong th\u1eddi gian d\u00e0i.<\/li>\n<\/ul>\n\n\n\n<p>OS1 thi\u1ebft l\u1eadp nhanh ch\u00f3ng, OS2 \u0111\u00f2i h\u1ecfi s\u1ef1 si\u00eang n\u0103ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec3m m\u1ea1nh v\u00e0 \u0111i\u1ec3m y\u1ebfu c\u1ee7a OS1 so v\u1edbi OS2<\/h2>\n\n\n\n<p>C\u00e1c <em>OS1 so v\u1edbi OS2<\/em> \u01afu v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00eau ra nh\u1eefng \u0111\u00e1nh \u0111\u1ed5i th\u1ef1c t\u1ebf khi s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i\u1ec3m m\u1ea1nh v\u00e0 \u0111i\u1ec3m y\u1ebfu c\u1ee7a OS1<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110i\u1ec3m m\u1ea1nh:<\/strong> Gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng ($0,05-$0,10\/m), l\u1eafp \u0111\u1eb7t trong nh\u00e0 \u0111\u01a1n gi\u1ea3n\u2014ti\u1ebft ki\u1ec7m chi ph\u00ed cho kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec3m y\u1ebfu:<\/strong> Gi\u1edbi h\u1ea1n suy hao cao h\u01a1n 1,0 dB\/km \u0111\u1ea1t t\u1edbi 10 km\u2014kh\u00f4ng ch\u1eafc ch\u1eafn khi s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi (v\u00ed d\u1ee5: kh\u00f4ng c\u00f3 gel ch\u1eb7n n\u01b0\u1edbc).<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> Th\u00edch h\u1ee3p cho h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n v\u0103n ph\u00f2ng ho\u1eb7c li\u00ean k\u1ebft tr\u01b0\u1eddng h\u1ecdc\u2014v\u00ed d\u1ee5, m\u1ea1ng l\u01b0\u1edbi tr\u01b0\u1eddng \u0111\u1ea1i h\u1ecdc d\u00e0i 3 km\u2014nh\u01b0ng kh\u00f4ng hi\u1ec7u qu\u1ea3 trong c\u00e1c thi\u1ebft l\u1eadp d\u00e0i ho\u1eb7c kh\u1eafc nghi\u1ec7t c\u1ea7n \u00edt t\u1ed5n th\u1ea5t ho\u1eb7c kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110i\u1ec3m m\u1ea1nh v\u00e0 \u0111i\u1ec3m y\u1ebfu c\u1ee7a OS2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110i\u1ec3m m\u1ea1nh:<\/strong> \u0110\u1ed9 suy hao th\u1ea5p 0,4 dB\/km, ph\u1ea1m vi ph\u1ee7 s\u00f3ng 40 km+, \u0111\u1ed9 b\u1ec1n ngo\u00e0i tr\u1eddi\u2014hi\u1ec7u su\u1ea5t cao cho c\u00e1c m\u1ea1ng m\u1edf r\u1ed9ng.<\/li>\n\n\n\n<li><strong>\u0110i\u1ec3m y\u1ebfu:<\/strong> \u0110\u1eaft h\u01a1n ($0,08-$0,15\/m), l\u1eafp \u0111\u1eb7t ph\u1ee9c t\u1ea1p\u2014kh\u00f4ng c\u1ea7n thi\u1ebft cho c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng trong nh\u00e0 ng\u1eafn (v\u00ed d\u1ee5: \u0111\u01b0\u1eddng li\u00ean k\u1ebft v\u0103n ph\u00f2ng d\u00e0i 1 km).<\/li>\n\n\n\n<li><strong>Chi ti\u1ebft:<\/strong> L\u00fd t\u01b0\u1edfng cho l\u01b0\u1edbi vi\u1ec5n th\u00f4ng ho\u1eb7c FTTH\u2014v\u00ed d\u1ee5, k\u1ebft n\u1ed1i n\u00f4ng th\u00f4n d\u00e0i 25 km\u2014nh\u01b0ng l\u1ea1i qu\u00e1 m\u1ee9c c\u1ea7n thi\u1ebft cho c\u00e1c m\u00f4i tr\u01b0\u1eddng nh\u1ecf, \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Tham kh\u1ea3o nhanh: OS1 so v\u1edbi OS2 trong nh\u00e1y m\u1eaft<\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t <em>OS1 so v\u1edbi OS2<\/em> t\u1ed5ng quan \u0111\u1ec3 c\u00f3 c\u00e1i nh\u00ecn s\u00e2u s\u1eafc ngay l\u1eadp t\u1ee9c:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ki\u1ec3u<\/th><th>S\u1ef1 suy gi\u1ea3m<\/th><th>Kho\u1ea3ng c\u00e1ch<\/th><th>Chi ph\u00ed ($\/m)<\/th><th>T\u1ed1t nh\u1ea5t cho<\/th><\/tr><\/thead><tbody><tr><td>H\u1ec7 \u0111i\u1ec1u h\u00e0nh1<\/td><td>1,0 dB\/km<\/td><td>10km<\/td><td>$0.05-0.10<\/td><td>Trong nh\u00e0, ch\u1ea1y ng\u1eafn<\/td><\/tr><tr><td>H\u1ec7 \u0111i\u1ec1u h\u00e0nh2<\/td><td>0,4 dB\/km<\/td><td>40km+<\/td><td>$0.08-0.15<\/td><td>Ngo\u00e0i tr\u1eddi, \u0111\u01b0\u1eddng d\u00e0i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u00f4ng c\u1ee5 ra quy\u1ebft \u0111\u1ecbnh c\u1ee7a b\u1ea1n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea1m vi c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao OS1 so v\u1edbi OS2 l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u1ea1ng c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n<p>L\u1ef1a ch\u1ecdn gi\u1eefa <em>OS1 v\u00e0 OS2<\/em> tr\u1ef1c ti\u1ebfp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady v\u00e0 chi ph\u00ed c\u1ee7a m\u1ea1ng c\u1ee7a b\u1ea1n. M\u1ed9t c\u00e1p OS1 k\u00e9o d\u00e0i 20 km m\u1ea5t t\u00edn hi\u1ec7u nhanh\u20141,0 dB\/km t\u0103ng t\u1ed5ng c\u1ed9ng 20 dB, v\u01b0\u1ee3t qu\u00e1 h\u1ea7u h\u1ebft c\u00e1c gi\u1edbi h\u1ea1n thu ph\u00e1t (v\u00ed d\u1ee5: t\u1ed1i \u0111a 17 dB), bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng b\u1ed9 l\u1eb7p ho\u1eb7c m\u1ea5t \u0111i\u1ec7n t\u1ed1n k\u00e9m. M\u1ed9t OS2 trong li\u00ean k\u1ebft v\u0103n ph\u00f2ng d\u00e0i 2 km l\u00e3ng ph\u00ed ti\u1ec1m n\u0103ng\u2014l\u1ee3i th\u1ebf 0,4 dB\/km c\u1ee7a n\u00f3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, l\u00e0m t\u0103ng chi ph\u00ed m\u00e0 kh\u00f4ng c\u00f3 l\u1ee3i \u00edch. C\u00e1p ph\u00f9 h\u1ee3p\u2014OS1 cho hi\u1ec7u su\u1ea5t trong nh\u00e0 ng\u1eafn, OS2 cho s\u1ee9c m\u1ea1nh ngo\u00e0i tr\u1eddi d\u00e0i\u2014\u0111\u1ea3m b\u1ea3o t\u00edn hi\u1ec7u r\u00f5 r\u00e0ng, ng\u00e2n s\u00e1ch \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 kh\u00f4ng gian \u0111\u1ec3 ph\u00e1t tri\u1ec3n. \u0110\u00f3 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a m\u1ea1ng c\u1ee7a b\u1ea1n\u2014\u0111\u00e1nh gi\u00e1 sai n\u00f3, v\u00e0 b\u1ea1n s\u1ebd ph\u1ea3i v\u00e1 c\u00e1c s\u1ef1 c\u1ed1 sau n\u00e0y.<\/p>\n\n\n\n<p>CommMesh cung c\u1ea5p <em>so s\u00e1nh s\u1ee3i quang \u0111\u01a1n mode<\/em> n\u1ed5i b\u1eadt\u2014OS1 t\u1eeb $0.05\/m cho c\u00e1c thi\u1ebft l\u1eadp ch\u1eb7t ch\u1ebd, OS2 t\u1eeb $0.08\/m cho c\u00e1c m\u1ea1ng l\u01b0\u1edbi r\u1ed9ng kh\u1eafp, t\u1ea5t c\u1ea3 \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn FC v\u00e0 giao h\u00e0ng trong 7 ng\u00e0y. Cho d\u00f9 b\u1ea1n \u0111ang r\u00e8n <em>s\u1ee3i \u0111\u01a1n mode t\u1ed1t nh\u1ea5t<\/em> gi\u1ea3i ph\u00e1p ho\u1eb7c m\u1edf r\u1ed9ng ph\u1ea1m vi ti\u1ebfp c\u1eadn c\u1ee7a b\u1ea1n, h\u00e3y truy c\u1eadp <a href=\"https:\/\/commmesh.com\/vi\/\" target=\"_blank\" rel=\"noreferrer noopener\">M\u1ea1ng l\u01b0\u1edbi giao ti\u1ebfp<\/a> \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Gi\u1eef d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n \u1ed5n \u0111\u1ecbnh\u2014d\u00f9 g\u1ea7n hay xa, ch\u00fang t\u00f4i \u0111\u1ec1u c\u00f3 c\u00e1p \u0111\u1ec3 th\u1ef1c hi\u1ec7n!<\/p>","protected":false},"excerpt":{"rendered":"<p>H\u00e3y h\u00ecnh dung OS1 so v\u1edbi OS2 nh\u01b0 hai ki\u1ebfn tr\u00fac s\u01b0 l\u00e0nh ngh\u1ec1\u2014m\u1ed9t ng\u01b0\u1eddi thi\u1ebft k\u1ebf m\u1ed9t n\u01a1i ngh\u1ec9 d\u01b0\u1ee1ng v\u0103n ph\u00f2ng \u1ea5m c\u00fang, ng\u01b0\u1eddi kia thi\u1ebft k\u1ebf m\u1ed9t khu \u0111\u00f4 th\u1ecb r\u1ed9ng l\u1edbn. C\u00e1c nh\u00e3n n\u00e0y ph\u00e2n lo\u1ea1i c\u00e1p quang ch\u1ebf \u0111\u1ed9 \u0111\u01a1n theo ti\u00eau chu\u1ea9n ISO\/IEC 11801, m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u d\u01b0\u1edbi d\u1ea1ng xung \u00e1nh s\u00e1ng qua l\u00f5i 8-10 micron. OS1 v\u00e0 OS2 kh\u00e1c nhau v\u1ec1 ph\u1ea1m vi, \u0111\u1ed9 b\u1ec1n v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng [\u2026]<\/p>","protected":false},"author":1,"featured_media":2295,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"OS1 vs OS2: Which Single Mode Fiber Optic Cable Is Right for You?","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[34],"tags":[],"class_list":["post-3046","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\/3046","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=3046"}],"version-history":[{"count":12,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/3046\/revisions"}],"predecessor-version":[{"id":3071,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/posts\/3046\/revisions\/3071"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/media\/2295"}],"wp:attachment":[{"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/media?parent=3046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/categories?post=3046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/commmesh.com\/vi\/wp-json\/wp\/v2\/tags?post=3046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}