Filter
Top Products
Module Problems
Summary
Console Procedure
PC Procedures
Appropriate Modules
Time Estimate
Busy-Out or Reset
Interrupting the Test
Test Failure
Restore
Menu
→
Maintenance
→
Slot
→
Dial the slot no.
→
Enter
→
BchLoopback
(F6)
→
(F2)
→
Type the slot no.
→
(F10)
→
(F4)
This test can be run only on MLX modules.
Approximately 1.5 minutes.
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
→
Maintenance
→
Slot
See “Busy-Out and Reset,” earlier in this chapter,
for additional information.
Interrupt the test by selecting
Exit.
If the test fails, record the errors on the repair tag
and replace the module.
Restore the module if it successfully completes all
module tests and the errors no longer occur.
Restore
is in the Slot menu, which you can access
by doing the following from the console:
Menu
→
Maintenance
→
Slot
See “Restore,” earlier in this chapter, for additional
information.
To run the B-Channel Loopback Test, follow the steps below.
4-54 Control Unit Problems