Nortel DMS-100 Series Manual page 61

Procedure 6-1
Replacing QSIO circuit pack (NT6M60AA or NT6M60BA) - slot 6
Step Description
20
Place the processor unit with the suspected faulty pack in the standby mode, by putting
the other processor in the ONLY mode. The other processor is defined as that
processor that does not have the suspected faulty pack.
At the Switch and Status Panel of the DPP:
a. Press the A/B Select Switch to match the other processor.
b. Press the O/P Mode Select Switch to O.
c. Turn the Mode Switch to the right and release.
Note: This will create an alarm.
21
Remove power from the standby DPP chassis by operation of the +8 V dc red rocker
switch on the power supply.
(A or B, the one with the suspected fault.)
22
Remove the suspected faulty circuit pack.
23
The replacement pack option settings must be set to match the settings listed in Table
6-1 or 6-2 prior to installation.
CAUTION
Failure to set-up options correctly may cause AMA loss.
24
Insert the spare circuit pack in the vacated card slot, making sure it is fully seated.
25
Put faulty pack in the empty electrostatic bag.
26
Apply power to the DPP chassis by resetting the rocker switch in step 7 above.
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.
Sheet 2 of 4
DPP Hardware Component Replacement Guide DPP001 and up
Quad SIO circuit pack (NT6M60xx) 6-3