Dual Fxs Voice Relay Cable - 3Com PathBuilder S21x Installation Manual

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Dual FXS Voice Relay Cable

Dual FXS Voice Relay Cable
Specification
Connector Pinout
B-4
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:
Warning!
The FXS Interface should only be connected to an analog telephone handset and/or
fax machine.
Pin
FXS
No.
Name
Function
1
N/A
2
N/A
3
Loop B
4
Loop A
5
N/A
6
N/A
PathBuilder S21x Switch Cabling

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