Internal Loopback Test - Avaya MERLIN MAGIX Maintenance And Troubleshooting Manual

Internal Loopback Test

This test checks communication between the processor and the module being tested. If you have
not read ''Module Test Process''
Remove Music-On-Hold before conducting this test. If Music-On-Hold is assigned to any
line/trunk ports on the module you are testing, this test will fail even though the line/trunks
are functioning properly.
Procedure
Appropriate Modules
Time Estimate
Busy-Out or Reset
Interrupting the Test
Test Failure
Restore
on page 6-1, do so before performing this test.
→
Menu
Maintenance
→
Demand Test IntLoopback
In the procedure above, when you select Enter , the following additional
options appear, depending on the module:
For all MLX modules,
I
For 100D modules, CSU-lpbk , Error Events , and Clock are also
I
displayed.
For all 800 NI-BRI modules, Clock , BChLoopback , and
I
Provisioning are also displayed.
It takes approximately 1.5 minutes to run each test. The 100D module and
408 GS/LS-MLX module each take approximately 3 minutes, because they
each have two DSEs.
Busy-out or reset the module being tested prior to beginning the test.
See''Busy-Out'' on page
You can interrupt the test (both Test Once and Repetitive ) by
selecting Back .
If the test fails, record the errors on the repair tag and replace the module.
Lines 5 and 6 on the failure test results identify the cause of the failure or
the number of errors found per port. There are up to 16 ports, numbered 0
through 15. Line 5 displays the results for ports 0 through 7; Line 6 is for
ports 8 through 15.
Restore the module if it successfully completes all module tests and the
errors no longer occur. See
6
→ →
Enter the slot no. (01-17)
Slot
→
Test Once or Test Repetitive
is also displayed.
BChLoopback
6-4 and ''Reset'' on page 6-5.
''Restore'' on page 6-6.
Tests
→ →
Enter

Internal Loopback Test

6-7