Avaya MERLIN MAGIX Maintenance And Troubleshooting Manual page 179

Maintenance and Troubleshooting
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.
If the test is successful, the connection between the CSU and the 100D module is good, and the
100D module is probably okay.
If the test fails, find the error message below and proceed as indicated.
Table 6-6. CSU Loopback 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 errors on the CSU-lpbk Failed screen
Any other error
Channel Service Unit (CSU) Loopback Test
6-30
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.
Check the cable between the 100D module and
the CSU; then retest. If the problem persists,
check the CSU settings.
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; if in doubt, escalate to your technical
support organization.