800 Ni-Bri Module Clock Status; Channel Service Unit (Csu) Loopback Test - Avaya MERLIN MAGIX Maintenance And Troubleshooting Manual

800 NI-BRI Module Clock Status

If you have not been trained to perform BRI maintenance, contact the TSO for instructions on
using this procedure.
Procedure
Results Displayed
If you need assistance in interpreting the results displayed on the screen, contact the TSO.

Channel Service Unit (CSU) Loopback Test

The CSU Loopback Test verifies that the communication path between the 551 T1, ESF T1, or the
ACCULINK 3150 CSU and the 100D module is operational.
Procedure
Appropriate Modules
Time Estimate
EQ IN and EQ OUT
(551 T1 CSU)
DTE LOOPBACK
(ESF T1 CSU)
LINE LOOPBACK
(ACCULINK 3150 CSU)
Busy-Out or Reset
Interrupting the Test
Test Failure
Restore
→
Menu
Maintenance
→
Clock Back
Clock Slot xx:
mm/dd/yy hh:00-hh:mm
Active: xxxx
Synch: xxxxx
Source: xxxx
Port: xx
Back
→
Menu
Maintenance
CSU-lpbk
This test can be run only on 100D modules.
n the procedure above, when you select Enter , the options Error
Events and Clock appear only for the 100D module.
Approximately 2 minutes
For the 551 T1 CSU only, connect a patch cord from the CSU EQ IN jack
to the CSU EQ OUT jack.
For the ESF T1 CSU only, flip the DTE LOOPBACK switch on the front
panel to the up position to activate the loopback. Details are provided
below.
For the ACCULINK 3150 only, select front panel Line Loopback
command. Details are provided below.
Busy-out or reset the 100D module prior to beginning the test.
See ''Busy-Out'' on page
You can interrupt the test by selecting Back .
If the test fails, record the errors on the repair tag and replace the module.
Restore the module if it successfully completes the CSU Loopback test.
See ''Restore'' on page 6-6.
6
→ →
Enter the slot no. (01-17)
Slot
6
→ →
Enter the slot no. (01-17)
Slot
6-4 and ''Reset''

800 NI-BRI Module Clock Status

→ →
Enter
→
Enter
on page 6-5.
Tests
→
6-25