Command Reference Guide

218 ● receive gain 3Com Router 5000 Family and Router 6000 Family
Command Reference
receive gain
Purpose Use the receive gain command to configure the gain value at the voice
subscriber-line input end.
Use the undo receive gain command to restore the default value.
Syntax receive gain value
undo receive gain
Parameters value
Voice input gain ranging from -14.0 to 14.0 in dB with
one digit after the decimal point.
If no value is specified, the default value is 0 dB.
Example Configure the voice input gain as 3.5dB on subscriber line 1/0/0.
[Router-voice-line1/0/0] receive gain 3.5
View This command can be used in the following views:
■ Voice Subscriber-Line view
Description This command is applicable to FXO, FXS, analog E&M subscriber-lines and digital E1
voice subscriber-line.
When the voice signal on the line attenuates to a relatively great extent, this
command can be used to appropriately enhance the voice input gain.
CAUTION:
Adjusting the gain may cause voice calls unable to be established. Therefore, when
required, adjust the gain only under the direction of technical support staff.
Related Commands ■ transmit gain
■ subscriber-line