User`s guide

Section 360381S02
28
Figure 22. FXO/FXS Card Loopback
7.1.4. Loopback of OCU-DP Card
Use the following steps to perform the OCU-DP card loopback.
Step Action System Response
1. Select Loopback Test " Loopback of OCU-DP
Card
Opens the OCU-DP Loopback/Release dialog box
(see Figure 23).
2. Select the the channel you want the loopback test
run on.
3. Select the loopback type.
4. Select the loopback location (near- or far-end).
5. Set the test time. This defines the duration of the
test.
6. Select 2047 Pattern enable or disable. If enabled, generates a 2047 pattern to be looped
back for analysis.
7. Select Loopback Initiates the loopback or release. If no time slot is
assigned to the chassis slot, loopback cannot be
enabled.