Instruction manual
MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting
555-650-140
Issue 1
June 1997
Control Unit Problems
Page 4-49
Module Problems
The screen below appears when the module is successfully restored.
Console Display/Instructions Additional Information PC
The screen below appears when the Restore fails. Try again, and be sure to
specify the correct slot.
Internal Loopback Test
This test checks communication between the processor and the module being
tested. If you have not read “Module Test Process” above, do so before
continuing.
Summary
Restore Slot
xx
:
xx
= slot number entered in Step 2
Restore Complete
Exit
Restore Slot
xx
:
xx
= slot number entered in Step 2
Restore FAILED
Board Mismatch
Exit
Console Procedure Menu→Maintenance→Slot→Dial the slot
no.→
Enter→Demand Test→IntLoopback→ Test Once
or Test Repetitive.
PC Procedure → →Type the slot no.→ → → → or
Appropriate Modules This test can be run on any module. The 100D module
and the 408 GS/LS-MLX module each have two digital
switch elements (DSEs); both DSEs are tested.










