Nortel 1000E Maintenance Manual page 71

Table 12
Call Server faults (Part 2 of 5)
Condition Possible cause
System Defective System
Utility card Utility card
LED is red
and TTY
output on
Com 1
Drive Carrier Defective Drive
card not Carrier card
operating
Floppy drive Defective floppy
not operating drive
Ensure the Enable/Disable switch is in the enabled
position. If the LED remains red, test the card by
entering:
LD 135
TEST SUTL C 15
where C represents the affected Call Server, either 0 or
1.
If the fault remains, then replace the System Utility card.
Unseat the Drive Carrier card, then reinstall it. If the
Drive Carrier card does not recover, continue with this
procedure.
Test the card by entering:
LD 137
STAT CMDU
TEST CMDU
If the problem continues, a CIOD system message
appears. If the fault remains, then replace the Drive
Carrier card.
Remove the floppy disk from the floppy drive, place it in
the floppy drive of the other Call Server, and test
operation.
If the floppy disk is operational, replace the Drive Carrier
card containing the faulty floppy drive.
Communication Server 1000E
Clearing faults Page 71 of 162
Action
Maintenance