MERLIN LEGEND Communications System Release 6.1
Maintenance and Troubleshooting
555-661-140
Issue 1
August 1998
Page 4-58
Module Problems
Summary
To run the B-Channel Loopback Test, follow the steps below.
Console Procedure Menu:
0DLQWHQ D QFH →6ORW→Dial the slot
no.→
(QWHU→%FK/RRSEDFN
PC Procedures

→

→Type the slot no.→

→

Appropriate Modules This test can be run only on MLX or 800 NI-BRI
modules.
Time Estimate Approximately 1.5 minutes.
Busy-Out or Reset Before beginning the test, busy-out or reset the
module being tested. Both Busy-Out and Reset are in
the Slot menu, which you can access by doing the
following from the console:
Menu:
0DLQWHQ D QFH →6ORW
See ‘‘Busy-Out and Reset’’ on page 4-38 for additional
information.
Interrupting the Test Interrupt the test by selecting
([LW.
Test Failure If the test fails, record the errors on the repair tag and
replace the module.
Restore Restore the module if it successfully completes all
module tests and the errors no longer occur.
5HVWRUH
is in the Slot menu, which you can access by doing the
following from the console:
Menu:
0DLQWHQ D QFH →6ORW
See ‘‘Restore’’ on page 4-45 for additional information.