UNICOM GST-2402, Руководство пользователя

Страница: 33 / 34

Console Port to 9-Pin DTE Port on PC
9-Pin
Serial Port CCITT Signal
PC’s 9-Pin
DTE Port
2 RXD <---------RXD ------------ 3 TxD
3 TXD -----------TXD ----------> 2 RxD
5 SGND -----------SGND ---------- 5 SGND
Cables
The RJ-45 ports on the switch support automatic MDI/MDI-X operation, so
you can use standard straight-through or crossover twisted-pair cables to
connect to any other network device (PCs, servers, switches, routers, or
hubs). Please refer to the following table for cable specifications:
Cable Types and Specifications
Cable Type Max. Length Connector
10BASE-T
Cat. 3, 4, 5
100-ohm UTP
100 m (328 ft) RJ-45
100BASE-TX
Cat. 5 100-ohm
UTP
100 m (328 ft) RJ-45
100BASE-FX
50/125 or 62.5/125
micron core
multimode fiber
(MM)
2 km (1.24 miles) SC or ST
Cable specification table
100BASE-TX/10BASE-T Pin Assignments
With a 100BASE-TX/10BASE-T cable, pins 1 and 2 are used for transmitting