AT&T MERLIN LEGEND Release 3.0 Installation Manual page 431

Module Problems
Interpreting Test Results
If the test completes successfully, the module's board controller is functioning
properly. Continue with the next module test or restore the module if you are
finished testing. If the test fails, find the error message in Table 4-4 and
proceed as indicated.
Table 4-4. Board Controller Test Errors
Error Messages
Slot is not busied-out
Slot empty or not valid
FMWR not in Standby Mode
Test running too long
Not in TEST/STANDBY mode
Any other error
Restoring the Module
When you are finished running module tests, be sure to restore the module.
See "Restore," earlier in this chapter.
B-Channel Loopback Test
This test verifies that specific communication paths on the MLX module are
operational. If you have not read "Module Test Process" above, do so.
Corrective Action
Exit the test, busy-out the slot, and try again.
Exit the test and try again; be sure to type the correct
slot number. Do not indicate an empty slot or the
processor (00).
Exit the test and try again; if this error persists, record
the errors on the repair tag and replace the module
being tested.
Exit the test and try again; if this error persists, record
the errors on the repair tag and replace the module
being tested.
Exit the test and try again; if this error persists, record
the errors on the repair tag and replace the module
being tested.
Record the errors on the repair tag and replace the
module.
Control Unit Problems 4-53