Command Reference Guide
FXS Interface Command Set
test reverse-battery
Use the test reverse-battery command to provide reverse battery polarity on the foreign exchange station
(FXS) interface. This is helpful when troubleshooting wiring problems with the FXS equipment. Use the
no form of this command to disable this feature.
Syntax Description
No subcommands.
Default Values
By default, this command is disabled.
Command History
Release 6.1
Command was introduced.
Usage Examples
The following example provides reverse battery polarity on the FXS interface:
(config)#interface fxs 2/1
(config-fxs 2/1)#test reverse-battery
60000CRG0-35E
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