Nortel DMS-100 Series Manual page 80

7-4 56K Interface circuit pack (NT6M94xx) - Turbo only
Procedure 7-1
Replacing the 56K Interface circuit pack - slot 7: part numbers NT6M94AA and NT6M94BA
Step Description
24
Remove power from the standby chassis (A or B; the one with the suspected fault) by
operation of the +8 V dc red rocker switch on the power supply.
25
Remove the suspected faulty circuit pack.
26
Before installing the replacement PCA, any option jumper settings must be set to match
the settings listed in Table 7-1.
CAUTION
Failure to set-up options correctly may cause an AMA loss.
27
Insert the spare circuit pack in the vacated card slot, making sure it is fully seated.
28
Put faulty pack in the empty electrostatic bag.
29
Apply power to the DPP chassis by operation of the +8 V dc red rocker switch, reversing
step 7.
Wait for start-up activity to end and the message, Software Loaded or S/W Loaded to be
displayed. For TURBO DPP systems, wait for the CP Active message to be displayed.
30
To clear any alarms on the standby processor.
At the maintenance terminal, enter:
>RSERR STDBY 00 (cr)
Alarms will clear on the standby processor if there are no faults.
31
After RSERR, alarms may reappear. The command, CP TEST, forces diagnostics that
confirm whether the faults were corrected.
Enter: (at the terminal)
>CP TEST STDBY (cr)
If all tests do not pass, contact the next level of support.
297-1001-539 Standard 01.03 September 2000
Sheet 2 of 4