User`s guide

Section 360−381−S02
27
Step System ResponseAction
3. Check the box beside the channel number(s) you
are using.
4. Select OK Initiates the loopback or release. Results will be
displayed in the alarm status area of the main
screen (see Figure 18).
Note: A loopback channel can be “forced busy”. However, a loopback test cannot be performed on a channel
that is busy.
Figure 21. E&M Card Loopback
7.1.3. Loopback of FXO/FXS Card
Use the following steps to perform the FXO/FXS card loopback (this is a network loopback).
Step Action System Response
1. Select Loopback Test " Loopback of FXO/FXS
Card
Opens the FXO/FXS Loopback/Release dialog
box (see Figure 22).
2. Select the Loopback or Release tab.
3. Check the box beside the channel number(s) you
are testing.
4. Select OK Initiates the loopback or release.
Note: A loopback channel can be “forced busy”. However, a loopback test cannot be performed on a channel
that is busy.