{"id":266739,"date":"2023-10-04T21:20:01","date_gmt":"2023-10-04T14:20:01","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=266739"},"modified":"2023-10-04T21:21:09","modified_gmt":"2023-10-04T14:21:09","slug":"modem","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/modem\/","title":{"rendered":"Modem l\u00e0 g\u00ec? C\u00e1ch ph\u00e2n bi\u1ec7t Modem v\u1edbi Router nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"

Modem<\/b> l\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng \u0111\u1ec3 b\u1ea1n s\u1eed d\u1ee5ng m\u1ea1ng wifi t\u1ea1i nh\u00e0, tr\u01b0\u1eddng h\u1ecdc, c\u01a1 quan, n\u01a1i l\u00e0m vi\u1ec7c,… V\u1eadt thi\u1ebft b\u1ecb n\u00e0y c\u00f3 gi\u1ed1ng v\u1edbi Router kh\u00f4ng? M\u1eddi b\u1ea1n theo d\u00f5i b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y c\u1ee7a Ho\u00e0ng H\u00e0 Mobile \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p th\u1eafc m\u1eafc nh\u00e9!\u00a0<\/span><\/p>\n

Modem l\u00e0 g\u00ec?<\/h2>\n

Modem \u0111\u01b0\u1ee3c vi\u1ebft t\u1eaft b\u1edfi c\u1ee5m t\u1eeb Modulator and Demodulator l\u00e0 thi\u1ebft b\u1ecb \u0111\u1ec3 ph\u00e1t s\u00f3ng t\u00edn hi\u1ec7u wifi. Thi\u1ebft b\u1ecb n\u00e0y c\u00f3 nhi\u1ec7m v\u1ee5 \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u s\u00f3ng \u0111\u1ec3 m\u00e3 ho\u00e1 th\u00f4ng tin k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u1ed3ng th\u1eddi gi\u1ea3i \u0111\u1ea7u t\u00edn hi\u1ec7u. Sau \u0111\u00f3 thi\u1ebft b\u1ecb t\u1ea1o l\u1ea1i th\u00f4ng tin k\u1ef9 thu\u1eadt s\u1ed1 ban \u0111\u1ea7u. T\u1ee9c l\u00e0, modem l\u00e0 thi\u1ebft b\u1ecb c\u1ee9ng d\u00f9ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u internet, radio, \u0111i\u1ec7n tho\u1ea1i\u2026. Qua \u0111\u00f3, qu\u00e1 tr\u00ecnh truy\u1ec1n t\u00edn hi\u1ec7u nhanh ch\u00f3ng v\u00e0 \u0111\u1ed9 tin c\u1eady cao.\u00a0<\/span><\/p>\n

\"Modem-2\"<\/picture><\/p>\n

Nh\u1eefng lo\u1ea1i Modem ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/h2>\n

Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay c\u00f3 \u0111a d\u1ea1ng lo\u1ea1i thi\u1ebft b\u1ecb nh\u1eadn d\u1eef li\u1ec7u t\u1eeb nh\u00e0 m\u1ea1ng cho ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn. Tuy nhi\u00ean, d\u1ef1a v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng, c\u00e1ch th\u1ee9c truy\u1ec1n d\u1eabn, thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh c\u00e1c lo\u1ea1i kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf, gi\u1ea3i \u0111\u1ec1u t\u00edn hi\u1ec7u ph\u1ed5 bi\u1ebfn cho c\u00e1c b\u1ea1n tham kh\u1ea3o:\u00a0<\/span><\/p>\n

Ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean ch\u1ee9c n\u0103ng<\/h3>\n

Theo ch\u1ee9c n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf, gi\u1ea3i \u0111\u1ec1u t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh 3 lo\u1ea1i. M\u1ed7i lo\u1ea1i c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1eed d\u1ee5ng kh\u00e1c nhau c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.\u00a0<\/span><\/p>\n

Modem g\u1eafn ngo\u00e0i<\/h4>\n

B\u1ea3n ch\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y l\u00e0 \u0111i\u1ec1u ch\u1ebf v\u00e0 gi\u1ea3i \u0111\u1ec1u t\u00edn hi\u1ec7u nh\u01b0ng l\u1ea1i g\u1eafn ngo\u00e0i l\u00e0 g\u00ec? T\u1ee9c l\u00e0 thi\u1ebft b\u1ecb n\u00e0y l\u00e0 m\u1ea1ng ri\u00eang l\u1ebb t\u00e1ch bi\u1ec7t n\u1eb1m ph\u00eda b\u00ean ngo\u00e0i m\u00e1y t\u00ednh. Tr\u00ean thi\u1ebft b\u1ecb s\u1ebd c\u00f3 \u0111\u00e8n b\u00e1o ch\u1ee9c n\u0103ng v\u00e0 di chuy\u1ec3n linh ho\u1ea1t gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 d\u00f9ng USB hay d\u00e2y Ethernet \u0111\u1ec3 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb v\u1edbi m\u00e1y t\u00ednh. Ngo\u00e0i ra, thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf, gi\u1ea3i \u0111\u1ec1u t\u00ednh hi\u1ec7u g\u1eafn ngo\u00e0i c\u00f2n cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng chia s\u1ebb, k\u1ebft n\u1ed1i v\u1edbi nhi\u1ec1u m\u1ea1ng xung quanh v\u0103n ph\u00f2ng, nh\u00e0 \u1edf.\u00a0<\/span><\/p>\n

\"Modem-3\"<\/picture><\/p>\n

Modem k\u1ebft h\u1ee3p v\u1edbi Router<\/h4>\n

Ngay t\u1eeb c\u00e1i t\u00ean, ch\u1eafc b\u1ea1n \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb s\u1ebd k\u1ebft h\u1ee3p v\u1edbi Router t\u1eeb \u0111\u00f3 cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng LAN hay internet \u0111\u1ec1u \u0111\u01b0\u1ee3c. Tr\u00ean th\u1ecb tr\u01b0\u1eddng, lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf, gi\u1ea3i \u0111\u1ec1u d\u1eef li\u1ec7u n\u00e0y kh\u00e1 ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00f9ng \u01b0a chu\u1ed9ng. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n d\u00f9ng 1 thi\u1ebft b\u1ecb nh\u01b0ng c\u00f3 2 t\u00ednh n\u0103ng mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m t\u1ed1t h\u01a1n.\u00a0<\/span><\/p>\n

Modem t\u00edch h\u1ee3p, g\u1eafn trong \u00a0<\/span><\/h4>\n

Ng\u01b0\u1ee3c l\u1ea1i v\u1edbi lo\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n d\u1eabn t\u00edn hi\u1ec7u g\u1eafn ngo\u00e0i, lo\u1ea1i thi\u1ebft b\u1ecb n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c g\u1eafn b\u00ean trong b\u1ea3ng m\u1ea1ch m\u00e1y t\u00ednh. Th\u00f4ng th\u01b0\u1eddng, s\u1ebd \u1edf d\u1ea1ng card m\u1ea1ng v\u00e0 \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o khe PCI. Do kh\u00f4ng mang l\u1ea1i l\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i n\u00ean thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u g\u1eafn trong kh\u00f4ng \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng.\u00a0<\/span><\/p>\n

Ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean c\u00e1ch th\u1ee9c truy\u1ec1n d\u1eabn\u00a0<\/span><\/h3>\n

V\u1edbi s\u1ef1 \u0111a d\u1ea1ng trong c\u00e1ch th\u1ee9c truy\u1ec1n d\u1eabn, thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh t\u1eebng lo\u1ea1i ri\u00eang bi\u1ec7t. D\u1ef1a tr\u00ean nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a m\u1ed7i c\u00e1 nh\u00e2n, c\u01a1 quan, t\u1ed5 ch\u1ee9c \u0111\u1ec3 l\u1ef1a ch\u1ecdn lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u ph\u00f9 h\u1ee3p. Sau \u0111\u00e2y l\u00e0 th\u00f4ng tin t\u1eebng lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo c\u00e1ch th\u1ee9c truy\u1ec1n d\u1eabn, c\u1ee5 th\u1ec3:\u00a0<\/span><\/p>\n

Modem thu\u00ea bao s\u1ed1<\/h4>\n

Tr\u01b0\u1edbc \u0111\u00e2y, ng\u01b0\u1eddi ta hay d\u00f9ng lo\u1ea1i thi\u1ebft b\u1ecb n\u00e0y \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi \u0111i\u1ec7n tho\u1ea1i hay b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn. Lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u thu\u00ea bao s\u1ed1 ch\u1ec9 k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t m\u00e1y t\u00ednh duy nh\u1ea5t th\u00f4ng qua USB ho\u1eb7c c\u1ed5ng Ethernet. V\u1edbi \u0111\u1eb7c \u0111i\u1ec3m nh\u01b0 v\u1eady, thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u thu\u00ea bao s\u1ed1 ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec7n tho\u1ea1i b\u00e0n v\u00e0 t\u1ed1c \u0111\u1ed9 k\u1ebft n\u1ed1i th\u1ea5p.\u00a0<\/span><\/p>\n

Modem c\u00e1p quang<\/h4>\n

Modem c\u00e1p quang l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong gia \u0111\u00ecnh, c\u01a1 quan, t\u1ed5 ch\u1ee9c hi\u1ec7n nay. Lo\u1ea1i thi\u1ebft b\u1ecb n\u00e0y s\u1eed d\u1ee5ng c\u00e1p quang n\u00ean t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eabn nhanh ch\u00f3ng. Thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf c\u00e1p quang ra \u0111\u1eddi \u0111\u00e3 kh\u1eafc ph\u1ee5c h\u1ea1n ch\u1ebf c\u1ee7a lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf thu\u00ea bao s\u1ed1.\u00a0<\/span><\/p>\n

\"Modem-4\"<\/picture><\/p>\n

Modem quay s\u1ed1<\/h4>\n

Thi\u1ebft b\u1ecb truy\u1ec1n d\u1eabn d\u1eef li\u1ec7u quay s\u1ed1 s\u1edf h\u1eefu nhi\u1ec1u t\u00ednh n\u0103ng v\u01b0\u1ee3t tr\u1ed9i nh\u01b0ng \u00edt xu\u1ea5t hi\u1ec7n tr\u00ean th\u1ecb tr\u01b0\u1eddng. C\u01a1 ch\u1ebf k\u1ebft n\u1ed1i c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y d\u1ef1a v\u00e0o h\u00ecnh th\u1ee9c k\u1ebft n\u1ed1i quay s\u1ed1. Hi\u1ec3u \u0111\u01a1n gi\u1ea3n, thi\u1ebft b\u1ecb c\u1ee9ng s\u1ebd s\u1eed d\u1ee5ng d\u1eef li\u1ec7u t\u1eeb m\u00e1y t\u00ednh sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh th\u00e0nh t\u00edn hi\u1ec7u \u00e2m thanh v\u00e0 nh\u1eadn l\u1ea1i. Ti\u1ebfp theo, thi\u1ebft b\u1ecb c\u1ee9ng s\u1ebd \u0111i\u1ec1u ch\u1ebf, gi\u1ea3i \u0111\u1ec1u t\u00edn hi\u1ec7u th\u00e0nh d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 cho m\u00e1y t\u00ednh s\u1eed d\u1ee5ng.\u00a0<\/span><\/p>\n

\u0110\u00e1nh gi\u00e1 \u01b0u, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a thi\u1ebft b\u1ecb Modem<\/h2>\n

Nh\u00ecn chung, thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u s\u1edf h\u1eefu nhi\u1ec1u \u01b0u \u0111i\u1ec3m, mang \u0111\u1ebfn cho ng\u01b0\u1eddi d\u00f9ng s\u1ef1 thu\u1eadn ti\u1ec7n. B\u00ean c\u1ea1nh \u0111\u00f3, thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf d\u1eef li\u1ec7u v\u1eabn c\u00f2n m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf c\u1ea7n kh\u1eafc ph\u1ee5c. H\u00e3y c\u00f9ng ch\u00fang t\u00f4i \u0111\u00e1nh gi\u00e1 \u01b0u – nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u sau \u0111\u00e2y:\u00a0<\/span><\/p>\n

\u01afu \u0111i\u1ec3m<\/h3>\n

Modem<\/b> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb gi\u00fap truy\u1ec1n d\u1eabn t\u00edn hi\u1ec7u nhanh ch\u00f3ng, mang \u0111\u1ebfn cho ng\u01b0\u1eddi d\u00f9ng tr\u1ea3i nghi\u1ec7m truy c\u1eadp internet tuy\u1ec7t v\u1eddi. Ngo\u00e0i ra, thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u c\u00f3 vai tr\u00f2 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u01a1 quan, t\u1ed5 ch\u1ee9c, \u0111\u00e1p \u1ee9ng c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau. H\u01a1n n\u1eefa, c\u00e1c g\u00f3i c\u01b0\u1edbc s\u1eed d\u1ee5ng internet \u0111a d\u1ea1ng, c\u00f3 c\u00e1c m\u1ee9c \u0111\u1ec3 m\u1ecdi ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn. M\u1ed9t s\u1ed1 lo\u1ea1i thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p c\u00f4ng ngh\u1ec7 fax, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 trao \u0111\u1ed5i tin nh\u1eafn nhanh ch\u00f3ng nh\u1ea5t.\u00a0<\/span><\/p>\n

\"Modem-5\"<\/picture><\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h3>\n

B\u00ean c\u1ea1nh nh\u1eefng \u01b0u \u0111i\u1ec3m, thi\u1ebft b\u1ecb <\/span>Modem<\/b> c\u00f2n t\u1ed3n t\u1ea1i m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ea7n kh\u1eafc ph\u1ee5c. \u0110\u1ea7u ti\u00ean \u0111\u00f3 l\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi d\u00f9ng tr\u00ean kh\u00f4ng gian m\u1ea1ng. Thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf d\u1eef li\u1ec7u tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau c\u1ee7a nh\u1eefng tin t\u1eb7c \u0111\u1ec3 \u0111\u00e1nh c\u1eafp th\u00f4ng tin c\u00e1 nh\u00e2n, g\u00e2y ra nh\u1eefng r\u1ee7i ro kh\u00f4ng \u0111\u00e1nh c\u00f3. V\u00ec v\u1eady, b\u1ea1n n\u00ean l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf d\u1eef li\u1ec7u c\u00f3 t\u01b0\u1eddng l\u1eeda nh\u1eb1m t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.\u00a0<\/span><\/p>\n

Ngo\u00e0i ra, khi n\u00e2ng c\u1ea5p thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf t\u00edn hi\u1ec7u, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p r\u1eafc r\u1ed1i v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 cung c\u1ea5p. M\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf b\u00ean ngo\u00e0i nh\u01b0ng kh\u00f4ng c\u00f3 t\u00ednh linh ho\u1ea1t, ng\u01b0\u1eddi d\u00f9ng g\u1eb7p kh\u00f3 kh\u0103n khi mu\u1ed1n thay \u0111\u1ed5i v\u1ecb tr\u00ed.\u00a0<\/span><\/p>\n

C\u00e1ch ph\u00e2n bi\u1ec7t Modem v\u00e0 Router \u0111\u01a1n gi\u1ea3n<\/h2>\n

\u0110\u1ec3 ph\u00e2n bi\u1ec7t 2 thi\u1ebft b\u1ecb n\u00e0y, tr\u01b0\u1edbc ti\u00ean b\u1ea1n c\u1ea7n hi\u1ec3u Router l\u00e0 g\u00ec? Router hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u00f3 ch\u1ee9c n\u0103ng chia s\u1ebb d\u1eef li\u1ec7u internet t\u1eeb m\u1ed9t l\u1edbp m\u1ea1ng t\u1edbi nhi\u1ec1u ng\u01b0\u1eddi. C\u1ea3 hai thi\u1ebft b\u1ecb \u0111\u1ec1u c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c s\u1eed d\u1ee5ng internet c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Do \u0111\u00f3, nhi\u1ec1u ng\u01b0\u1eddi l\u1ea7m t\u01b0\u1edfng r\u1eb1ng 2 thi\u1ebft b\u1ecb n\u00e0y l\u00e0 m\u1ed9t. Sau \u0111\u00e2y l\u00e0 c\u00e1ch ph\u00e2n bi\u1ec7t gi\u1eefa thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf, gi\u1ea3i \u0111\u1ec1u d\u1eef li\u1ec7u v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn cho c\u00e1c b\u1ea1n tham kh\u1ea3o:\u00a0<\/span><\/p>\n

D\u1ef1a tr\u00ean vai tr\u00f2 thi\u1ebft b\u1ecb<\/h3>\n

Tr\u01b0\u1edbc ti\u00ean, d\u1ef1a tr\u00ean ti\u00eau ch\u00ed vai tr\u00f2, ng\u01b0\u1eddi d\u00f9ng s\u1ebd d\u1ec5 d\u00e0ng ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c hai thi\u1ebft b\u1ecb n\u00e0y v\u1edbi nhau. Vai tr\u00f2 c\u1ee7a Router l\u00e0 k\u1ebft n\u1ed1i, truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i hay c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c trong m\u1ed9t m\u1ea1ng. \u0110\u1ed1i v\u1edbi <\/span>Modem<\/b> c\u00f3 vai tr\u00f2 truy\u1ec1n, nh\u1eadn g\u00f3i d\u1eef li\u1ec7u m\u1ea1ng internet t\u1eeb nh\u00e0 cung c\u1ea5p. Ti\u1ebfp theo, Router l\u00e0 thi\u1ebft b\u1ecb ti\u1ebfp nh\u1eadn v\u00e0 ph\u00e2n ph\u1ed1i \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb.\u00a0<\/span><\/p>\n

\"Modem-6\"<\/picture><\/p>\n

C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h3>\n

Ph\u00e2n bi\u1ec7t theo c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, Router c\u00f3 nhi\u1ec7m v\u1ee5 qu\u1ea3n l\u00fd c\u0169ng nh\u01b0 ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u t\u1edbi thi\u1ebft b\u1ecb c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. B\u00ean c\u1ea1nh \u0111\u00f3, thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng t\u00ednh n\u0103ng b\u1ea3o m\u1eadt th\u00f4ng qua t\u01b0\u1eddng l\u1eeda.\u00a0<\/span><\/p>\n

C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ebf, gi\u1ea3i \u0111\u1ec1u t\u00edn hi\u1ec7u s\u00f3ng s\u1ebd t\u1eadp trung v\u00e0o vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i sang t\u00edn hi\u1ec7u s\u1ed1 \u0111\u1ec3 c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng d\u1ee5ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c. Nh\u01b0 v\u1eady, Modem s\u1ebd chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u t\u1eeb nh\u00e0 m\u1ea1ng r\u1ed3i chuy\u1ec3n t\u1edbi Router sau \u0111\u00f3 ph\u00e2n ph\u1ed1i d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c cho c\u00e1c thi\u1ebft b\u1ecb. Qua \u0111\u00f3, c\u00f3 th\u1ec3 th\u1ea5y m\u1ed7i thi\u1ebft b\u1ecb c\u00f3 nhi\u1ec7m v\u1ee5 ri\u00eang nh\u01b0ng ch\u00fang c\u1ea7n k\u1ebft h\u1ee3p v\u1edbi nhau \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eabn internet.\u00a0<\/span><\/p>\n

V\u1ecb tr\u00ed k\u1ebft n\u1ed1i<\/h3>\n

Do <\/span>Modem<\/b> nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb nh\u00e0 m\u1ea1ng cung c\u1ea5p n\u00ean tr\u1ef1c ti\u1ebfp k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1p quang, c\u00e1p \u0111\u1ed3ng,… C\u00f2n thi\u1ebft b\u1ecb Router \u0111\u01b0\u1ee3c \u0111\u1eb7t gi\u1eefa thi\u1ebft b\u1ecb \u0111i\u1ec1u ph\u1ed1i t\u00edn hi\u1ec7u t\u1eeb nh\u00e0 m\u1ea1ng v\u1edbi thi\u1ebft b\u1ecb m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i. Hai thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1eadt l\u00fd v\u1edbi nhau, ph\u1ed1i h\u1ee3p \u0111\u1ec3 t\u1ea1o ra s\u00f3ng wifi ch\u1ea5t l\u01b0\u1ee3ng \u1ed5n \u0111\u1ecbnh cho ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n

\"Modem-7\"<\/picture><\/p>\n

H\u00ecnh d\u00e1ng thi\u1ebft b\u1ecb<\/h3>\n

Router c\u00f3 ngo\u1ea1i h\u00ecnh g\u1ed3m c\u00e1c r\u00e2u v\u00e0 nhi\u1ec1u c\u1ed5ng LAN \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi thi\u1ebft b\u1ecb. Ng\u01b0\u1ee3c l\u1ea1i, thi\u1ebft b\u1ecb nh\u1eadn d\u1eef li\u1ec7u t\u1eeb nh\u00e0 m\u1ea1ng ch\u1ec9 c\u00f3 1 – 2 c\u1ed5ng LAN d\u00f9ng \u0111\u1ec3 nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb nh\u00e0 m\u1ea1ng v\u00e0 truy\u1ec1n t\u00edn hi\u1ec7u t\u1edbi Router. Tuy nhi\u00ean, hi\u1ec7n nay c\u00e1c nh\u00e0 m\u1ea1ng \u0111\u00e3 t\u00edch h\u1ee3p gi\u1eefa hai thi\u1ebft b\u1ecb n\u00e0y l\u00e0 m\u1ed9t \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.\u00a0<\/span><\/p>\n

\"Modem-8\"<\/picture><\/p>\n

Gi\u1ea3i \u0111\u00e1p nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Modem v\u00e0 Router<\/h2>\n

M\u1eb7c d\u00f9 \u0111\u00e2y l\u00e0 2 thi\u1ebft b\u1ecb ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi m\u1ecdi gia \u0111\u00ecnh nh\u01b0ng kh\u00f4ng m\u1ea5y ai \u0111\u1ec3 \u00fd \u0111\u1ebfn nhi\u1ec7m v\u1ee5, vai tr\u00f2 c\u1ee7a n\u00f3. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i \u0111\u00e1p th\u00eam m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 thi\u1ebft b\u1ecb nh\u1eadn d\u1eef li\u1ec7u t\u1eeb nh\u00e0 cung c\u1ea5p v\u00e0 Router cho c\u00e1c b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n nh\u00e9!\u00a0<\/span><\/p>\n

S\u1eed d\u1ee5ng m\u1ed9t trong hai thi\u1ebft b\u1ecb truy\u1ec1n d\u1eabn m\u1ea1ng \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h3>\n

Nh\u01b0 ch\u00fang t\u00f4i \u0111\u00e3 chia s\u1ebb \u1edf tr\u00ean, m\u1ed7i thi\u1ebft b\u1ecb c\u00f3 m\u1ed9t vai tr\u00f2, nhi\u1ec7m v\u1ee5 ri\u00eang. <\/span>Modem<\/b> nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb nh\u00e0 m\u1ea1ng cung c\u1ea5p v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u t\u1edbi Router sau \u0111\u00f3 ti\u1ebfp t\u1ee5c truy\u1ec1n t\u1edbi ng\u01b0\u1eddi s\u1eed d\u1ee5ng. Do \u0111\u00f3, s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa hai thi\u1ebft b\u1ecb n\u00e0y s\u1ebd mang l\u1ea1i cho ng\u01b0\u1eddi d\u00f9ng m\u1ea1ng internet \u1ed5n \u0111\u1ecbnh, kh\u00f4ng b\u1ecb gi\u1eadt, lag.\u00a0<\/span><\/p>\n

N\u00ean ch\u1ecdn lo\u1ea1i Router n\u00e0o?<\/h3>\n

Hi\u1ec7n nay, tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i Router thu\u1ed9c ph\u00e2n kh\u00fac gi\u00e1 kh\u00e1c nhau cho m\u1ecdi ng\u01b0\u1eddi l\u1ef1a ch\u1ecdn. D\u1ef1a v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn lo\u1ea1i Router \u0111\u1eaft hay r\u1ebb, c\u1ea5u h\u00ecnh cao hay th\u1ea5p,… Ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ea1n d\u00f9ng Router trong gia \u0111\u00ecnh th\u00ec c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb m\u1ee9c gi\u00e1 t\u1ea7m trung. Tr\u01b0\u1eddng h\u1ee3p mua Router cho t\u1ed5 ch\u1ee9c, doanh nghi\u1ec7p, n\u01a1i \u0111\u00f4ng ng\u01b0\u1eddi,… th\u00ec b\u1ea1n n\u00ean \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb cao c\u1ea5p, s\u1edf h\u1eefu nhi\u1ec1u t\u00ednh n\u0103ng v\u01b0\u1ee3t tr\u1ed9i. Ngo\u00e0i ra, khi mua Router hay<\/span> Modem<\/b> b\u1ea1n n\u00ean ch\u1ecdn \u0111\u01a1n v\u1ecb cung c\u1ea5p uy t\u00edn, c\u00f3 ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh, h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt r\u00f5 r\u00e0ng. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft nhanh ch\u00f3ng nh\u1eefng r\u1eafc r\u1ed1i, h\u1ecfng h\u00f3c trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.\u00a0<\/span><\/p>\n

T\u1ea1m K\u1ebft<\/h2>\n

Nh\u01b0 v\u1eady, ch\u00fang t\u00f4i \u0111\u00e3 gi\u1ea3i th\u00edch <\/span>Modem<\/b> l\u00e0 g\u00ec v\u00e0 ch\u1ec9 ra c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi Router. T\u00f3m l\u1ea1i, \u0111\u00e2y l\u00e0 c\u1ea3 2 thi\u1ebft b\u1ecb c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c truy\u1ec1n, d\u1eabn d\u1eef li\u1ec7u internet. Ng\u01b0\u1eddi d\u00f9ng n\u00ean ch\u1ecdn nh\u00e0 m\u1ea1ng uy t\u00edn v\u00e0 trang b\u1ecb b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u1edbi ch\u1ee9c n\u0103ng kh\u00e1c nhau d\u1ef1a v\u00e0o m\u1ee5c \u0111\u00edch, nhu c\u1ea7u s\u1eed d\u1ee5ng. H\u00e3y theo d\u00f5i<\/span> Ho\u00e0ng H\u00e0 Mobile<\/b> \u0111\u1ec3 ch\u1edd \u0111\u00f3n nhi\u1ec1u th\u00f4ng tin th\u00fa v\u1ecb t\u1eeb ch\u00fang t\u00f4i nh\u00e9!\u00a0<\/span><\/p>\n

XEM TH\u00caM:\u00a0<\/strong><\/p>\n