{"id":6130,"date":"2020-08-12T02:54:12","date_gmt":"2020-08-12T02:54:12","guid":{"rendered":"https:\/\/vinacap.vn\/?post_type=tin-tuc&p=6130"},"modified":"2023-06-13T04:07:19","modified_gmt":"2023-06-13T04:07:19","slug":"chi-mat-dat-ten-7-loai-cap-mang-pho-bien-hien-nay-ban-nen-biet","status":"publish","type":"tin-tuc","link":"https:\/\/vinacap.vn\/en\/archives\/tin-tuc\/chi-mat-dat-ten-7-loai-cap-mang-pho-bien-hien-nay-ban-nen-biet","title":{"rendered":"\u201cCH\u1ec8 M\u1eb6T \u0110\u1eb6T T\u00caN\u201d 7 LO\u1ea0I C\u00c1P M\u1ea0NG PH\u1ed4 BI\u1ebeN HI\u1ec6N NAY B\u1ea0N N\u00caN BI\u1ebeT"},"content":{"rendered":"

1.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1p m\u1ea1ng l\u00e0 g\u00ec?<\/strong><\/p>\n

C\u00e1p m\u1ea1ng v\u00e0 c\u00e1p th\u00f4ng tin li\u00ean l\u1ea1c l\u00e0 ph\u1ea7n c\u1ee9ng m\u1ea1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng n\u00e0y v\u1edbi c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c, v\u00ed d\u1ee5, k\u1ebft n\u1ed1i hai ho\u1eb7c nhi\u1ec1u m\u00e1y t\u00ednh \u0111\u1ec3 chia s\u1ebb m\u00e1y in v\u00e0 m\u00e1y scan; k\u1ebft n\u1ed1i nhi\u1ec1u m\u00e1y ch\u1ee7 v\u1edbi m\u1ed9t b\u1ed9 chuy\u1ec3n m\u1ea1ch Access Switch. Ph\u1ea1m vi bao g\u1ed3m c\u00e1c t\u1eadp h\u1ee3p d\u1eef li\u1ec7u v\u00e0 c\u00e1p Ethernet, bao g\u1ed3m c\u00e1p xo\u1eafn \u0111\u00f4i, c\u00e1p \u0111\u1ed3ng tr\u1ee5c, c\u00e1p quang, \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, v.v… C\u00e1p xo\u1eafn \u0111\u00f4i, c\u00e1p \u0111\u1ed3ng tr\u1ee5c v\u00e0 c\u00e1p quang l\u00e0 nh\u1eefng lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n

C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i c\u00e1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi m\u1ea1ng LAN. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, m\u1ea1ng s\u1ebd ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t lo\u1ea1i c\u00e1p, c\u00f2n c\u00e1c m\u1ea1ng kh\u00e1c s\u1ebd s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i c\u00e1p kh\u00e1c nhau. Lo\u1ea1i c\u00e1p \u0111\u01b0\u1ee3c ch\u1ecdn cho m\u1ea1ng c\u00f3 li\u00ean quan \u0111\u1ebfn c\u1ea5u tr\u00fac li\u00ean k\u1ebft, giao th\u1ee9c v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ea1ng. Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e1c lo\u1ea1i c\u00e1p kh\u00e1c nhau v\u00e0 c\u00e1ch ch\u00fang li\u00ean quan \u0111\u1ebfn c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c c\u1ee7a m\u1ea1ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n m\u1ed9t m\u1ea1ng th\u00e0nh c\u00f4ng.<\/p>\n

2.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1p xo\u1eafn \u0111\u00f4i<\/strong><\/p>\n

\"\"<\/p>\n

C\u00e1p xo\u1eafn \u0111\u00f4i l\u00e0 m\u1ed9t lo\u1ea1i d\u00e2y d\u1eabn trong \u0111\u00f3 hai d\u00e2y d\u1eabn (th\u01b0\u1eddng l\u00e0 \u0111\u1ed3ng) c\u1ee7a m\u1ed9t m\u1ea1ch \u0111\u01a1n \u0111\u01b0\u1ee3c xo\u1eafn l\u1ea1i v\u1edbi nhau. T\u1ea1i sao c\u00e1c c\u1eb7p xo\u1eafn l\u1ea1i v\u1edbi nhau? B\u1edfi v\u00ec hai d\u00e2y d\u1eabn mang t\u00edn hi\u1ec7u t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nh\u01b0ng ng\u01b0\u1ee3c chi\u1ec1u nhau, m\u1ed9t c\u1eb7p c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec5u xuy\u00ean \u00e2m t\u1edbi c\u00e1c c\u1eb7p kh\u00e1c v\u00e0 hi\u1ec7u \u1ee9ng tr\u1edf n\u00ean m\u1ea1nh m\u1ebd h\u01a1n d\u1ecdc theo chi\u1ec1u d\u00e0ic\u1ee7a c\u00e1p. \u0110i\u1ec1u n\u00e0y kh\u00f4ng h\u1ec1 c\u00f3 l\u1ee3i \u0111\u1ed1i v\u1edbi vi\u1ec7c truy\u1ec1n t\u00edn hi\u1ec7u. Vi\u1ec7c xo\u1eafn c\u00e1c c\u1eb7p gi\u1ea3m nhi\u1ec5u xuy\u00ean \u00e2m gi\u1eefa c\u00e1c d\u00e2y. C\u00e1p xo\u1eafn \u0111\u00f4i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng d\u1eef li\u1ec7u cho c\u00e1c k\u1ebft n\u1ed1i ng\u1eafn v\u00e0 trung b\u00ecnh, v\u00ec chi ph\u00ed th\u1ea5p h\u01a1n so v\u1edbi c\u00e1p quang v\u00e0 c\u00e1p \u0111\u1ed3ng tr\u1ee5c.<\/p>\n

3.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1p STP (Shielded Twisted Pair) v\u00e0 c\u00e1p UTP (Unshielded Twisted Pair)<\/strong><\/p>\n

\"\"<\/p>\n

C\u00e1p xo\u1eafn \u0111\u00f4i th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb. C\u00e1p xo\u1eafn \u0111\u00f4i \u0111\u01b0\u1ee3c che ch\u1eafn b\u1edfi v\u1ecf ch\u1ed1ng nhi\u1ec5u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ca\u0301p xo\u1eafn \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 (STP). Ng\u01b0\u1ee3c l\u1ea1i v\u1edbi STP, c\u1eb7p xo\u1eafn \u0111\u00f4i kh\u00f4ng \u0111\u01b0\u1ee3c che ch\u1eafn b\u1edfi v\u1ecf ch\u1ed1ng nhi\u1ec5u (UTP) se\u0303 \u0111\u1ec3 tr\u1ea7n, kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/p>\n

C\u00e1p STP c\u0169ng \u0111\u01b0\u1ee3c chia th\u00e0nh lo\u1ea1i c\u00f3 v\u1ecf ch\u1ed1ng nhi\u1ec5u chung v\u00e0 v\u1ecf ch\u1ed1ng nhi\u1ec5u ri\u00eang. C\u00e1p STP v\u1edbi v\u1ecf ch\u1ed1ng nhi\u1ec5u ri\u00eang c\u00f3 l\u00e1 nh\u00f4m cho m\u1ed7i c\u1eb7p xo\u1eafn ho\u1eb7c hai c\u1eb7p xo\u1eafn m\u00f4\u0323t. Lo\u1ea1i v\u1ecf ch\u1ed1ng nhi\u1ec5u n\u00e0y b\u1ea3o v\u1ec7 c\u00e1p kh\u1ecfi hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u \u0111i\u1ec7n t\u1eeb b\u00ean ngo\u00e0i (EMI) v\u00e0o ho\u1eb7c ra kh\u1ecfi c\u00e1p, v\u00e0 c\u0169ng b\u1ea3o v\u1ec7 c\u00e1c c\u1eb7p xo\u1eafn l\u00e2n c\u1eadn kh\u1ecfi hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u xuy\u00ean \u00e2m. C\u00e1p Overall shielded twisted pair (OSTP) c\u00f3 v\u1ecf ch\u1ed1ng nhi\u1ec5u chung ho\u1eb7c v\u1ecf ch\u1ed1ng nhi\u1ec5u ri\u00eang tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c c\u1eb7p trong c\u00e1p xo\u1eafn \u0111\u00f4i. Lo\u1ea1i v\u1ecf ch\u1ed1ng nhi\u1ec5u n\u00e0y gi\u00fap ng\u0103n EMI x\u00e2m nh\u1eadp ho\u1eb7c tho\u00e1t kh\u1ecfi c\u00e1p. M\u1ed9t c\u00e1p STP c\u00f3 th\u1ec3 c\u00f3 c\u1ea3 v\u1ecf ch\u1ed1ng nhi\u1ec5u chung v\u00e0 ri\u00eang.<\/p>\n

C\u00e1p UTP kh\u00f4ng c\u00f3 v\u1ecf ch\u1ed1ng nhi\u1ec5u d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u t\u1eeb b\u00ean ngo\u00e0i. V\u00ec l\u00fd do \u0111\u00f3, lo\u1ea1i c\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i trong nh\u00e0. C\u00e1p \u0111i\u1ec7n tho\u1ea1i ngo\u00e0i tr\u1eddi ch\u1ee9a h\u00e0ng tr\u0103m ho\u1eb7c h\u00e0ng ng\u00e0n c\u1eb7p. C\u00e1c c\u1eb7p c\u00f3 c\u00f9ng t\u1ed1c \u0111\u1ed9 xo\u1eafn trong c\u00e1p c\u00f3 th\u1ec3 ph\u1ea3i ch\u1ecbu m\u1ed9t s\u1ed1 m\u1ee9c \u0111\u1ed9 nhi\u1ec5u xuy\u00ean \u00e2m, v\u00ec v\u1eady c\u00e1c c\u1eb7p d\u00e2y na\u0300y th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn c\u1ea9n th\u1eadn trong m\u1ed9t c\u00e1p l\u1edbn \u0111\u1ec3 gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u xuy\u00ean \u00e2m.<\/p>\n

H\u1ea7u h\u1ebft c\u00e1p UTP s\u1eed d\u1ee5ng \u0111\u1ea7u n\u1ed1i RJ45, tr\u00f4ng gi\u1ed1ng nh\u01b0 \u0111\u1ea7u n\u1ed1i \u0111i\u1ec7n tho\u1ea1i (RJ11) nh\u01b0ng c\u00f3 8 d\u00e2y thay v\u00ec 4 d\u00e2y.<\/p>\n

4.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1p Ethernet – C\u00e1p xo\u1eafn \u0111\u00f4i th\u00f4ng d\u1ee5ng nh\u1ea5t<\/strong><\/p>\n

C\u00e1p Ethernet l\u00e0 m\u1ed9t lo\u1ea1i c\u1eb7p xo\u1eafn \u0111i\u1ec3n h\u00ecnh, v\u00e0 c\u00f3 l\u1ebd l\u00e0 ca\u0301p quen thu\u1ed9c nh\u1ea5t \u0111\u1ed1i v\u1edbi t\u1ea5t c\u1ea3 ch\u00fang ta. B\u1ea3ng sau cung c\u1ea5p th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 m\u1ed9t s\u1ed1 c\u00e1p Ethernet.<\/p>\n

a.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Category 3<\/strong><\/em><\/p>\n

C\u00e1p Category 3, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Cat 3, l\u00e0 c\u00e1p xo\u1eafn \u0111\u00f4i kh\u00f4ng c\u00f3 v\u1ecf ch\u1ed1ng nhi\u1ec5u (unshielded twisted pair – UTP) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady l\u00ean \u0111\u1ebfn 10 Mbit\/gi\u00e2y, v\u1edbi b\u0103ng th\u00f4ng c\u00f3 th\u1ec3 l\u00ean t\u1edbi 16 MHz. N\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c ti\u00eau chu\u1ea9n c\u00e1p \u0111\u1ed3ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi Li\u00ean minh C\u00f4ng nghi\u1ec7p \u0110i\u1ec7n t\u1eed v\u00e0 Hi\u1ec7p h\u1ed9i C\u00f4ng nghi\u1ec7p Vi\u1ec5n th\u00f4ng. Cat 3 l\u00e0 \u0111\u1ecbnh d\u1ea1ng c\u00e1p ph\u1ed5 bi\u1ebfn v\u00e0o \u0111\u1ea7u nh\u1eefng n\u0103m 1990, nh\u01b0ng t\u1eeb \u0111\u00f3, n\u00f3 g\u1ea7n nh\u01b0 ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng ti\u00eau chu\u1ea9n Cat 5 t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng mang l\u1ea1i t\u1ed1c \u0111\u1ed9 cao h\u01a1n.<\/p>\n

\u00a0b.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Category 5<\/strong><\/em><\/p>\n

C\u00e1p Category 5, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Cat 5, l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1p xo\u1eafn \u0111\u00f4i kh\u00f4ng c\u00f3 v\u1ecf ch\u1ed1ng nhi\u1ec5u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n t\u00edn hi\u1ec7u cao. Ti\u00eau chu\u1ea9n th\u1ef1c t\u1ebf cu\u0309a Cat 5 x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00ednh ch\u1ea5t \u0111i\u1ec7n c\u1ee5 th\u1ec3 c\u1ee7a d\u00e2y, nh\u01b0ng n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng kh\u1ea3 n\u0103ng Ethernet l\u00e0 100 Mbit\/s. Ch\u1ec9 \u0111\u1ecbnh ti\u00eau chu\u1ea9n c\u1ee5 th\u1ec3 c\u1ee7a n\u00f3 l\u00e0 EIA\/TIA-568. C\u00e1p Cat 5 th\u01b0\u1eddng c\u00f3 ba c\u1eb7p xo\u1eafn m\u1ed7i inch, m\u1ed7i c\u1eb7p xo\u1eafn g\u1ed3m 24 d\u00e2y \u0111\u1ed3ng. Vi\u1ec7c xo\u1eafn c\u00e1p l\u00e0m gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u \u0111i\u1ec7n v\u00e0 nhi\u1ec5u xuy\u00ean \u00e2m.<\/p>\n

M\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng kh\u00e1c l\u00e0 d\u00e2y d\u1eabn \u0111\u01b0\u1ee3c c\u00e1ch \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a (FEP) c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n th\u1ea5p, c\u00f3 ngh\u0129a l\u00e0 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee7a nh\u1ef1a kh\u00f4ng ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o t\u1ea7n s\u1ed1. C\u1ea7n ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p tr\u1edf kh\u00e1ng t\u1ea1i c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i.<\/p>\n

C\u00e1p Cat 5 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1p c\u1ea5u tr\u00fac cho m\u1ea1ng m\u00e1y t\u00ednh nh\u01b0 Fast Ethernet, m\u1eb7c d\u00f9 ch\u00fang c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n nhi\u1ec1u t\u00edn hi\u1ec7u kh\u00e1c nh\u01b0 d\u1ecbch v\u1ee5 tho\u1ea1i c\u01a1 b\u1ea3n, token ring v\u00e0 ATM (l\u00ean t\u1edbi 155 Mbit\/gi\u00e2y).<\/p>\n

c.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Category 5e<\/strong><\/em><\/p>\n

\"\"<\/p>\n

C\u00e1p Category 5e l\u00e0 phi\u00ean b\u1ea3n n\u00e2ng cao c\u1ee7a Cat 5 \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi m\u1ea1ng 1000BASE-T (gigabit), ho\u1eb7c cho c\u00e1c li\u00ean k\u1ebft 100 Base-T \u0111\u01b0\u1eddng d\u00e0i (350 m, so v\u1edbi 100 m \u0111\u1ed1i v\u1edbi Cat 5). N\u00f3 ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n EIA\/TIA 568A-5. H\u1ea7u nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c d\u00e2y c\u00e1p \u0111\u01b0\u1ee3c b\u00e1n d\u01b0\u1edbi danh ngh\u0129a Cat 5 th\u1ef1c ra l\u00e0 Cat 5e. C\u00e1c d\u1ea5u hi\u1ec7u tr\u00ean c\u00e1p c\u00f3 th\u1ec3 cho b\u1ea1n bi\u1ebft lo\u1ea1i c\u00e1p ch\u00ednh x\u00e1c.<\/p>\n

d.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Category 6<\/strong><\/em><\/p>\n

\"\"<\/p>\n

Ti\u00eau chu\u1ea9n cho Gigabit Ethernet v\u00e0 k\u1ebft n\u1ed1i kh\u00e1c t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi c\u00e1p Cat 5, Cat 5e v\u00e0 Cat 3. Cat 6 c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt nghi\u00eam ng\u1eb7t h\u01a1n \u0111\u1ec3 \u0111\u1ec1 ph\u00f2ng nhi\u1ec5u xuy\u00ean \u00e2m v\u00e0 nhi\u1ec5u h\u1ec7 th\u1ed1ng. Ti\u00eau chu\u1ea9n c\u00e1p ph\u00f9 h\u1ee3p cho c\u00e1c k\u1ebft n\u1ed1i 10BASE-T, 100BASE-TX v\u00e0 1000BASE-T (Gigabit Ethernet).<\/p>\n

e.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Category 7<\/strong><\/em><\/p>\n

Category 7 (CAT7), (ISO\/IEC 11801:2002 category 7\/l\u1edbp F), l\u00e0 chu\u1ea9n c\u00e1p cho Ethernet si\u00eau nhanh v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i kh\u00e1c c\u00f3 th\u1ec3 t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi c\u00e1p Ethernet CAT5 v\u00e0 CAT6 truy\u1ec1n th\u1ed1ng. CAT7 c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt nghi\u00eam ng\u1eb7t h\u01a1n \u0111\u1ec3 ph\u00f2ng hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u xuy\u00ean \u00e2m v\u00e0 nhi\u1ec5u h\u1ec7 th\u1ed1ng t\u1ed1t h\u01a1n so v\u1edbi CAT6. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, v\u1ecf ch\u1ed1ng nhi\u1ec5u \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o cho t\u1eebng c\u1eb7p d\u00e2y v\u00e0 to\u00e0n b\u1ed9 c\u00e1p<\/p>\n

Ti\u00eau chu\u1ea9n c\u00e1p CAT7 \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o ra \u0111\u1ec3 cho ph\u00e9p t\u00edn hi\u1ec7u Ethernet 10 gigabit truy\u1ec1n tr\u00ean 100m c\u00e1p \u0111\u1ed3ng. C\u00e1p c\u00f3 4 c\u1eb7p d\u00e2y \u0111\u1ed3ng xo\u1eafn, gi\u1ed1ng nh\u01b0 c\u00e1c ti\u00eau chu\u1ea9n tr\u01b0\u1edbc \u0111\u00f3. CAT7 c\u00f3 c\u00e1c \u0111\u1ea7u n\u1ed1i RJ-45 t\u01b0\u01a1ng th\u00edch GG45 k\u1ebft h\u1ee3p ti\u00eau chu\u1ea9n RJ-45 v\u00e0 m\u1ed9t lo\u1ea1i k\u1ebft n\u1ed1i m\u1edbi \u0111\u1ec3 cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u m\u01b0\u1ee3t m\u00e0 h\u01a1n theo ti\u00eau chu\u1ea9n m\u1edbi. Khi k\u1ebft h\u1ee3p v\u1edbi \u0111\u1ea7u n\u1ed1i GG-45, c\u00e1p CAT7 c\u00f3 t\u1ea7n s\u1ed1 truy\u1ec1n l\u00ean t\u1edbi 600 MHz.<\/p>\n

5.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1p xo\u1eafn \u0111\u00f4i T568A v\u00e0 T568B<\/strong><\/p>\n

Hai ti\u00eau chu\u1ea9n d\u00e2y \u0111i\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi c\u00e1p xo\u1eafn \u0111\u00f4i l\u00e0 T568A v\u00e0 T568B. \u0110\u00e2y l\u00e0 nh\u1eefng ti\u00eau chu\u1ea9n vi\u1ec5n th\u00f4ng t\u1eeb TIA v\u00e0 EIA ch\u1ec9 \u0111\u1ecbnh s\u1eafp x\u1ebfp pin cho \u0111\u1ea7u n\u1ed1i (th\u01b0\u1eddng l\u00e0 RJ45) tr\u00ean c\u00e1p UTP ho\u1eb7c STP. Con s\u1ed1 568 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn th\u1ee9 t\u1ef1 m\u00e0 trong \u0111\u00f3 c\u00e1c d\u00e2y trong c\u00e1p xo\u1eafn \u0111\u00f4i \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o \u0111\u1ea7u n\u1ed1i. T\u00edn hi\u1ec7u gi\u1ed1ng h\u1ec7t nhau \u0111\u1ed1i v\u1edbi c\u1ea3 hai ti\u00eau chu\u1ea9n n\u00e0y.<\/p>\n

S\u1ed1 pin \u0111\u01b0\u1ee3c \u0111\u1ecdc t\u1eeb tr\u00e1i sang ph\u1ea3i v\u00e0 c\u00e1c \u0111\u1ea7u n\u1ed1i theo th\u1ee9 t\u1ef1 t\u1eeb tr\u00ean xu\u1ed1ng. L\u01b0u \u00fd r\u1eb1ng c\u00e1c \u0111\u1ea7u ra c\u1ee7a pin v\u1eabn gi\u1eef nguy\u00ean, v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t duy nh\u1ea5t l\u00e0 m\u00e3 h\u00f3a m\u00e0u c\u1ee7a h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n.<\/p>\n

6.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1p \u0111\u1ed3ng tr\u1ee5c – Kh\u00f4ng ch\u1ec9 l\u00e0 c\u00e1p video<\/strong><\/p>\n

\"\"<\/p>\n

C\u00e1p \u0111\u1ed3ng tr\u1ee5c l\u00e0 m\u1ed9t lo\u1ea1i c\u00e1p c\u00f3 d\u00e2y d\u1eabn b\u00ean trong \u0111\u01b0\u1ee3c bao quanh b\u1edfi l\u1edbp c\u00e1ch \u0111i\u1ec7n h\u00ecnh \u1ed1ng, va\u0300 ngoa\u0300i cu\u0300ng la\u0300 m\u1ed9t v\u1ecf ch\u1ed1ng nhi\u1ec5u h\u00ecnh \u1ed1ng. C\u00e1c d\u00e2y d\u1eabn b\u00ean trong v\u00e0 t\u1ea5m ch\u1eafn d\u1eabn b\u00ean ngo\u00e0i c\u00f3 c\u00f9ng tr\u1ee5c v\u1edbi nhau. Nhi\u1ec1u c\u00e1p \u0111\u1ed3ng tr\u1ee5c c\u00f3 l\u1edbp v\u1ecf ngo\u00e0i ho\u1eb7c v\u1ecf b\u1ecdc c\u00e1ch nhi\u1ec7t.<\/p>\n

7.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1p Capable Optical Fiber (COF)<\/strong><\/p>\n

C\u00e1p quang l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n d\u1eabn tuy\u1ec7t v\u1eddi cho dung l\u01b0\u1ee3ng d\u1eef li\u1ec7u cao v\u00e0 h\u1ed7 tr\u1ee3 kho\u1ea3ng c\u00e1ch d\u00e0i. N\u00f3 l\u00e0 th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong b\u1ea5t k\u1ef3 m\u1ea1ng c\u00e1p quang n\u00e0o. N\u00f3 c\u00f3 l\u00f5i s\u1ee3i th\u1ee7y tinh b\u00ean trong v\u00e0 l\u1edbp ph\u1ee7 ngo\u00e0i b\u1eb1ng cao su, s\u1eed d\u1ee5ng ch\u00f9m \u00e1nh s\u00e1ng thay v\u00ec t\u00edn hi\u1ec7u \u0111i\u1ec7n \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u. B\u1edfi v\u00ec \u00e1nh s\u00e1ng kh\u00f4ng b\u1ecb hao h\u1ee5t theo kho\u1ea3ng c\u00e1ch gi\u1ed1ng nh\u01b0 t\u00edn hi\u1ec7u \u0111i\u1ec7n, c\u00e1p n\u00e0y c\u00f3 th\u1ec3 truy\u1ec1n t\u00edn hi\u1ec7u trong kho\u1ea3ng c\u00e1ch \u0111o b\u1eb1ng kilomet v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1eeb 10 Mbps l\u00ean t\u1edbi 100 Gbps ho\u1eb7c cao h\u01a1n.<\/p>","protected":false},"featured_media":6141,"parent":0,"menu_order":0,"template":"","tags":[],"category-news":[103],"class_list":["post-6130","tin-tuc","type-tin-tuc","status-publish","has-post-thumbnail","hentry","category-news-tin-cong-ty"],"acf":[],"_links":{"self":[{"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tin-tuc\/6130","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tin-tuc"}],"about":[{"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/types\/tin-tuc"}],"version-history":[{"count":1,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tin-tuc\/6130\/revisions"}],"predecessor-version":[{"id":7638,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tin-tuc\/6130\/revisions\/7638"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/media\/6141"}],"wp:attachment":[{"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/media?parent=6130"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/tags?post=6130"},{"taxonomy":"category-news","embeddable":true,"href":"https:\/\/vinacap.vn\/en\/wp-json\/wp\/v2\/category-news?post=6130"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}