{"id":4899,"date":"2025-09-25T11:12:00","date_gmt":"2025-09-25T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/bridge-onu-connects-devices-to-fiber-internet-easy-setup\/"},"modified":"2026-06-22T09:04:27","modified_gmt":"2026-06-22T09:04:27","slug":"bridge-onu-connects-devices-to-fiber-internet-easy-setup","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/bridge-onu-connects-devices-to-fiber-internet-easy-setup","title":{"rendered":"Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i ONU: Khai ph\u00e1 t\u1ed1i \u0111a ti\u1ec1m n\u0103ng c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ebf s\u1ee3i quang c\u1ee7a b\u1ea1n"},"content":{"rendered":"
\"Bridge<\/figure>\n\n\n\n

ONU c\u1ee7a b\u1ea1n c\u00f3 \u0111ang k\u00ecm h\u00e3m b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Wi-Fi kh\u00f4ng? H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111i s\u00e2u v\u00e0o Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i ONU<\/strong>, gi\u1ea3i th\u00edch c\u00e1ch thi\u1ebft l\u1eadp \u0111\u01a1n gi\u1ea3n n\u00e0y c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng NAT k\u00e9p, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 trao cho b\u1ea1n to\u00e0n quy\u1ec1n ki\u1ec3m so\u00e1t m\u1ea1ng c\u1ee7a m\u00ecnh. Ch\u00fang t\u00f4i s\u1ebd tr\u00ecnh b\u00e0y kh\u00e1i ni\u1ec7m, c\u00e1c l\u1ee3i \u00edch ch\u00ednh, c\u00e1ch thi\u1ebft l\u1eadp v\u00e0 th\u1eadm ch\u00ed kh\u00e1m ph\u00e1 vai tr\u00f2 c\u1ee7a ph\u1ea7n c\u1ee9ng thi\u1ebft y\u1ebfu nh\u01b0 module quang
<\/strong><\/a>. T\u00ecm hi\u1ec3u c\u00e1ch bi\u1ebfn \u0111\u1ed5i m\u1ea1ng gia \u0111\u00ecnh ho\u1eb7c v\u0103n ph\u00f2ng c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u.<\/p>\n\n\n\n

\u27a4 Gi\u1ea3i ph\u00f3ng s\u1ee9c m\u1ea1nh: ONU \u1edf ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n

Trong l\u0129nh v\u1ef1c quang h\u1ecdc s\u1ee3i, \u0110\u01a1n v\u1ecb m\u1ea1ng quang (ONU)<\/strong><\/a> \u2013 th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 \u0111i\u1ec1u ch\u1ebf s\u1ee3i quang \u2013 l\u00e0 c\u1ed5ng k\u1ebft n\u1ed1i internet c\u1ee7a b\u1ea1n. Theo m\u1eb7c \u0111\u1ecbnh, h\u1ea7u h\u1ebft c\u00e1c ONU ho\u1ea1t \u0111\u1ed9ng \u1edf Ch\u1ebf \u0111\u1ed9 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/strong>. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a ch\u00fang \u0111\u00f3ng vai tr\u00f2 \u201cnh\u1ea1c tr\u01b0\u1edfng \u0111a nhi\u1ec7m\u201d: chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u s\u1ee3i quang, \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng, qu\u1ea3n l\u00fd t\u01b0\u1eddng l\u1eeda v\u00e0 ph\u00e1t s\u00f3ng Wi-Fi.<\/p>\n\n\n\n

Nh\u01b0ng n\u1ebfu b\u1ea1n s\u1edf h\u1eefu m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Wi-Fi b\u00ean th\u1ee9 ba m\u1ea1nh m\u1ebd v\u00e0 mu\u1ed1n n\u00f3 \u0111\u1ea3m nh\u1eadn nh\u1eefng t\u00e1c v\u1ee5 n\u00e2ng cao n\u00e0y th\u00ec sao? \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i<\/strong> .<\/p>\n\n\n\n

K\u00edch ho\u1ea1t Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i tr\u00ean ONU c\u1ee7a b\u1ea1n v\u1ec1 c\u01a1 b\u1ea3n bi\u1ebfn thi\u1ebft b\u1ecb t\u1eeb \u201cnh\u1ea1c tr\u01b0\u1edfng \u0111a nhi\u1ec7m\u201d th\u00e0nh m\u1ed9t \u201cphi\u00ean d\u1ecbch vi\u00ean chuy\u00ean d\u1ee5ng\u201d. N\u00f3 ng\u1eebng th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng \u0111\u1ecbnh tuy\u1ebfn v\u00e0 t\u1eadp trung v\u00e0o nhi\u1ec7m v\u1ee5 c\u1ed1t l\u00f5i: chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u00e1nh s\u00e1ng t\u1eeb \u0111\u01b0\u1eddng c\u00e1p s\u1ee3i quang th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n Ethernet. Sau \u0111\u00f3, n\u00f3 \u201cc\u1ea7u n\u1ed1i\u201d k\u1ebft n\u1ed1i n\u00e0y tr\u1ef1c ti\u1ebfp t\u1edbi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n, v\u1ed1n \u0111\u1ea3m nh\u1eadn to\u00e0n b\u1ed9 c\u00e1c t\u00e1c v\u1ee5 ph\u1ee9c t\u1ea1p nh\u01b0 DHCP, NAT v\u00e0 qu\u1ea3n l\u00fd Wi-Fi.<\/p>\n\n\n\n

\"Bridge<\/figure>\n\n\n\n

\u27a4 Ch\u1ebf \u0111\u1ed9 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn so v\u1edbi Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i: V\u00ec sao n\u00ean chuy\u1ec3n \u0111\u1ed5i?<\/strong><\/h2>\n\n\n\n

Quy\u1ebft \u0111\u1ecbnh n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u ki\u1ec3m so\u00e1t v\u00e0 hi\u1ec7u n\u0103ng. H\u00e3y c\u00f9ng ph\u00e2n t\u00edch nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh trong b\u1ea3ng \u0111\u01a1n gi\u1ea3n sau.<\/p>\n\n\n\n

\n\n<\/colgroup>

\u0110\u1eb7c t\u00ednh<\/p><\/th>

Ch\u1ebf \u0111\u1ed9 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (m\u1eb7c \u0111\u1ecbnh)<\/p><\/th>

Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i (\u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho ng\u01b0\u1eddi d\u00f9ng nhi\u1ec7t t\u00ecnh)<\/p><\/th><\/tr>

Ch\u1ee9c n\u0103ng ch\u00ednh<\/strong><\/p><\/td>

Thi\u1ebft b\u1ecb t\u00edch h\u1ee3p: b\u1ed9 \u0111i\u1ec1u ch\u1ebf, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, t\u01b0\u1eddng l\u1eeda v\u00e0 \u0111i\u1ec3m truy c\u1eadp Wi-Fi.<\/p><\/td>

B\u1ed9 \u0111i\u1ec1u ch\u1ebf chuy\u00ean d\u1ee5ng: truy\u1ec1n tr\u1ef1c ti\u1ebfp k\u1ebft n\u1ed1i internet t\u1edbi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ee7a b\u1ea1n.<\/p><\/td><\/tr>

D\u1ecbch \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT)<\/strong><\/p><\/td>

\u0110\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi ONU.<\/p><\/td>

\u0110\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n, lo\u1ea1i b\u1ecf Hi\u1ec7n t\u01b0\u1ee3ng NAT k\u00e9p<\/strong>.<\/p><\/td><\/tr>

Chuy\u1ec3n ti\u1ebfp c\u1ed5ng<\/strong><\/p><\/td>

\u0110\u01b0\u1ee3c c\u1ea5u h\u00ecnh tr\u00ean ONU, th\u01b0\u1eddng ph\u1ee9c t\u1ea1p v\u00e0 h\u1ea1n ch\u1ebf.<\/p><\/td>

\u0110\u01b0\u1ee3c c\u1ea5u h\u00ecnh tr\u00ean b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u00e1 nh\u00e2n c\u1ee7a b\u1ea1n, mang l\u1ea1i t\u00ednh linh ho\u1ea1t v\u00e0 ki\u1ec3m so\u00e1t cao h\u01a1n.<\/p><\/td><\/tr>

Hi\u1ec7u n\u0103ng Wi-Fi<\/strong><\/p><\/td>

Ph\u1ee5 thu\u1ed9c v\u00e0o kh\u1ea3 n\u0103ng th\u01b0\u1eddng kh\u00e1 c\u01a1 b\u1ea3n c\u1ee7a ONU.<\/p><\/td>

T\u1eadn d\u1ee5ng ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn cao c\u1ea5p b\u1ea1n s\u1eed d\u1ee5ng.<\/p><\/td><\/tr>

Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/strong><\/p><\/td>

Ng\u01b0\u1eddi d\u00f9ng c\u01a1 b\u1ea3n mu\u1ed1n gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n, s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng ngay.<\/p><\/td>

Ng\u01b0\u1eddi ch\u01a1i game, ng\u01b0\u1eddi ph\u00e1t tr\u1ef1c ti\u1ebfp, ng\u01b0\u1eddi d\u00f9ng nh\u00e0 th\u00f4ng minh v\u00e0 b\u1ea5t k\u1ef3 ai c\u1ea7n m\u1ea1ng m\u1ea1nh m\u1ebd, t\u00f9y ch\u1ec9nh \u0111\u01b0\u1ee3c.<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n

L\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 nh\u1ea5t c\u1ee7a Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i l\u00e0 lo\u1ea1i b\u1ecf <\/span>Hi\u1ec7n t\u01b0\u1ee3ng NAT k\u00e9p<\/strong><\/span>. Khi hai b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn th\u1ef1c hi\u1ec7n NAT li\u00ean ti\u1ebfp, c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 v\u1edbi tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn, k\u1ebft n\u1ed1i VPN v\u00e0 chuy\u1ec3n ti\u1ebfp c\u1ed5ng. Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i t\u1ea1o ra \u0111\u01b0\u1eddng d\u1eabn t\u1edbi internet r\u00f5 r\u00e0ng v\u00e0 tr\u1ef1c ti\u1ebfp h\u01a1n, gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 t\u0103ng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u1ebft n\u1ed1i.<\/span><\/p>\n\n\n\n

\u27a4 M\u1ed9t li\u00ean k\u1ebft ph\u1ea7n c\u1ee9ng then ch\u1ed1t: Vai tr\u00f2 c\u1ee7a m\u00f4-\u0111un quang h\u1ecdc<\/strong><\/h2>\n\n\n\n

\u0110\u1ec3 hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 c\u00e1ch ONU ho\u1ea1t \u0111\u1ed9ng, ch\u00fang ta c\u1ea7n nh\u00ecn v\u00e0o b\u00ean trong. Trung t\u00e2m c\u1ee7a m\u1ecdi thi\u1ebft b\u1ecb s\u1ee3i quang l\u00e0 m\u00f4-\u0111un b\u1ed9 thu ph\u00e1t quang<\/strong><\/a>. Th\u00e0nh ph\u1ea7n nh\u1ecf nh\u01b0ng m\u1ea1nh m\u1ebd n\u00e0y ch\u1ecbu tr\u00e1ch nhi\u1ec7m chuy\u1ec3n \u0111\u1ed5i quan tr\u1ecdng gi\u1eefa t\u00edn hi\u1ec7u quang v\u00e0 t\u00edn hi\u1ec7u \u0111i\u1ec7n (v\u00e0 ng\u01b0\u1ee3c l\u1ea1i).<\/p>\n\n\n\n

Hi\u1ec7u n\u0103ng v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ONU ph\u1ee5 thu\u1ed9c r\u1ea5t l\u1edbn v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng m\u00f4-\u0111un quang<\/strong>. M\u1ed9t m\u00f4-\u0111un ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 nguy\u00ean v\u1eb9n t\u00edn hi\u1ec7u t\u1ed1t h\u01a1n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tr\u00ean kho\u1ea3ng c\u00e1ch d\u00e0i v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t h\u01a1n v\u1edbi thi\u1ebft b\u1ecb t\u1ed5ng \u0111\u00e0i c\u1ee7a Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP)<\/strong> c\u1ee7a b\u1ea1n. \u0110\u1ed1i v\u1edbi doanh nghi\u1ec7p ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng n\u00e2ng cao thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i \u0111i\u1ec3m-\u0111i\u1ec3m, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang Module quang SFP<\/strong> l\u00e0 b\u01b0\u1edbc \u0111i then ch\u1ed1t.<\/p>\n\n\n\n

V\u00ed d\u1ee5, s\u1eed d\u1ee5ng m\u1ed9t m\u00f4-\u0111un \u0111\u00e1ng tin c\u1eady nh\u01b0 LINK-PP SFP-1G-LX<\/strong><\/a>, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho \u1ee9ng d\u1ee5ng Gigabit Ethernet, c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n th\u1ea5p v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao trong thi\u1ebft l\u1eadp ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i c\u1ee7a b\u1ea1n. Khi t\u00ecm ki\u1ebfm c\u00e1c m\u00f4-\u0111un SFP t\u01b0\u01a1ng th\u00edch b\u1ec1n b\u1ec9 cho thi\u1ebft b\u1ecb ONU<\/strong>, vi\u1ec7c c\u00e2n nh\u1eafc c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn gi\u00fap \u0111\u1ea3m b\u1ea3o n\u1ec1n t\u1ea3ng m\u1ea1ng c\u1ee7a b\u1ea1n lu\u00f4n v\u1eefng ch\u1eafc.<\/p>\n\n\n\n

\u27a4 Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n kh\u00f4ng? Danh s\u00e1ch ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n<\/strong><\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi b\u1ea1n ti\u1ebfn h\u00e0nh thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t tr\u00ean ONU<\/strong>\u2018, h\u00e3y c\u00e2n nh\u1eafc xem Ch\u1ebf \u0111\u1ed9 c\u1ea7u n\u1ed1i c\u00f3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a b\u1ea1n hay kh\u00f4ng. B\u1ea1n l\u00e0 \u1ee9ng vi\u00ean ph\u00f9 h\u1ee3p n\u1ebfu:<\/p>\n\n\n\n