Lucent Technologies MERLIN LEGEND Release 6.1 Maintenance And Troubleshooting Manual page 221

MERLIN LEGEND Communications System Release 6.1
Maintenance and Troubleshooting 555-661-140
100D Module Problems
Table 4–8. Continued
Error Messages
Restoring the Module
After completing the CSU Loopback Test, follow the steps below to restore the
module.
If you are finished testing modules, restore the 100D module. Refer
to ''Restore'' on page 4-45
Reset the CSU.
For the 551 T1 CSU, unplug the patch cord, first from the EQ IN
jack and then from the EQ OUT jack.
For the ESF T1 CSU, flip the DTE LOOPBACK switch down (to
deactivate the loopback).
Corrective Action
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.
for instructions.
Issue 1
August 1998
Page 4-109