Command Reference Guide

76 ● delay-reversal 3Com Router 5000 Family and Router 6000 Family
Command Reference
delay-reversal
Purpose Use the delay-reversal command to configure the timer’s interval of polarity-reverse
transmission delay on FXS interfaces.
Use the undo delay-reversal command to remove the function of polarity-reverse
transmission delay.
Syntax delay-reversal seconds
undo delay-reversal
Parameters seconds
Length of the timer of polarity-reverse transmission
delay, in the range 10 to 30 seconds.
Default By default, FXS interfaces immediately send polarity-reverse signal once receiving the
hookoff signal from the remote end without any delay.
Example Set the delay interval of voice subscriber-line 1 to 15 seconds.
[Router-voice-line1] delay-reversal 15
View This command can be used in the following views:
■ Voice subscriber-line view
Description This command applies to FXS interfaces.