Справочник Пользователя для 3com S21x

B-4 

PathBuilder S21x Switch Cabling

The voice relay cable shipped with the Dual FXS Voice Relay Daughtercard has the 
following specification:

• Connectors: RJ45 to RJ45 Cable

• Color: Gray

The RJ45 FXS port have the following pinout:

The FXS Interface should only be connected to an analog telephone handset and/or 
fax machine. 

1

N/A

2

N/A

3

Loop B

4

Loop A

5

N/A

6

N/A