Internal Loopback Test - AT&T MERLIN LEGEND Release 3.0 Installation Manual

Module Problems
The screen below appears when the Restore fails. Try again, and be sure to
specify the correct slot.
Console Display/Instructions
Restore Slot xx:
Restore FAILED
Board Mismatch
Exit

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
Console Procedure
PC Procedure
Appropriate Modules
Time Estimate
Additional Information
xx = slot number entered in Step 2
Menu → Maintenance → Slot → Dial the slot no. →
Enter → Demand Test → IntLoopback → Test Once or
Test Repetitive.
(F6) → (F2) → Type the slot no. → (F10) → (F6) → (F3) → (F2)
or (F3)
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.
It takes approximately 1.5 minutes to run each test,
The 10OD module and 408 GS/LS-MLX module
each take approximately 3 minutes, because they
each have two DSEs.
Control Unit Problems 4-45
P C