Ni-Bri Module Problems - Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Control Unit Problems
Module Problems
If errors indicate that the module is faulty, record them on the module
repair tag immediately after running the test.
NOTE:
If the system does not recognize a 408 GS/LS-MLX module during testing,
check the release number of the system. The 408 GS/LS-MLX module
does not work with Releases 1.0 or 1.1. An 008 MLX module must be
used to provide extension jacks with Releases 1.0 or 1.1.
To run a module test, follow the steps below.
To determine which modules are suspect, read the error logs and

review any user-reported problems.
If the error logs indicate the processor is the problem, refer to

''Processor
processor before continuing.
Replacing a faulty processor may resolve module problems.
Busy-out or reset the module.

See ''Busy-Out and Reset''
Run the internal loopback test.

See ''Internal Loopback
them as described in "Considerations" above.
Run the board controller test.

See ''Board Controller
them as described in "Considerations" above.
For MLX modules (008 MLX and 408 GS/LS-MLX) and 800 NI-BRI

modules, continue with the B-Channel Loopback test.
See ''B-Channel Loopback
record them as described in "Considerations" above.
For 800 NI-BRI modules, continue with the NI-1 BRI Provisioning

Test.
See

''800 NI-BRI Module Problems''

record them as described in "Considerations" above.
Problems'', earlier in this chapter, to service the
for general guidelines.
Test'', later in this chapter. If errors occur, record
Test'', later in this chapter. If errors occur, record
Test'', later in this chapter. If errors occur,
later in this chapter. If errors occur,
Issue 1
June 1997
Page 4-38