Internal Loopback Test Errors - Lucent Technologies MERLIN LEGEND Release 6.1 Maintenance And Troubleshooting Manual

MERLIN LEGEND Communications System Release 6.1
Maintenance and Troubleshooting 555-661-140
100D Module Problems
Console Display/Instructions
The screen below appears when the test fails.
Lines 3 through 6 identify the cause of the failure or the number of errors found
per channel. There are 24 channels, numbered 1 through 24. Line 3 displays
the results for channels 1 through 6; Line 4 is for channels 7 through 12; Line 5
is for channels 13 through 18; Line 6 is for channels 19 through 24.
Interpreting Test Results
If the test is successful, the connection between the CSU and the 100D module
is good, and the 100D module is probably okay. Continue with the next module
test; restore the module if you are finished testing.
If the test fails, find the error message in
Table 4–8. Internal Loopback Test Errors
Error Messages
Additional Information
xx =slot number entered in Step 2.
Table 4–8
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.
August 1998
Page 4-108
and proceed as indicated.
Continued on next page
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