Xin hoi ve cach dau day mang RJ45 theo chuan T-568A và T-568B, su khac nhau giua 2 cách ?
LapDuc
Hồi âm:
Chao ban. Thong thuong thi nguoi ta hay dung chuan T-568B, nhung 2 chuan tren deu co the dung nhu nhau, chung chi khac nhau o cach bam day. Khi noi 2 thiet bi khac loai nhau thi nguoi ta dung cach bam thang: 2 dau cap deu giong nhau (co the T-568A hoac T-568B). Vi du: noi PC voi Switch hoac Hub dung cach bam thang. Khi noi 2 thiet bi cung loai thi bam cheo: 1 dau la T-568A con dau kia la
T-568B. Vi du khi noi 2 Switch (hoac Hub) voi nhau dung cach bam cheo. De xem chi tiet so do va cach bam cap ban xem trang sau:
http://www.lanshack.com/make-cat5E.asp
Pham Hai Duong
Thuc su thi khong co su khac biet ve 2 cach noi T-568A va T-568B, nhung ma bay gio thi thuong dung chuan T-568B nhieu hon.
Cach noi cable thang(Straight-Through ) T-568A:
pin1: xanh la cay soc trang
pin2: Xanh la cay
pin3: cam soc trang
pin4: xanh duong
pin5: xanh duong soc trang
pin6: cam
pin7: nau soc trang
pin8: nau con dau ben kia cung vay
Cach noi cable thang(Straight-Through ) T-568B:
pin1:cam soc trang
pin2: cam
pin3: xanh la cay soc trang
pin4: xanh duong
pin5: xanh duong soc trang
pin6: xanh la cay
pin7: nau soc trang
pin8: nau
2 cach tren ban dung de noi vao HUB hay la router, con neu muon noi hai may tinh voi nhau khong qua HUB hay la rounter thi ban phai xai cable cheo(Crossover) tuc la noi dau nay xai chuan T-568A con dau kia thi xai chua noi T-568B. Chuc vui va thanh cong.
achilles achilles