Northern Telecom BCS35 Replacement Manual page 157

Procedure 15–1
56K XOVR circuit pack replacement
Step Description
8 Mount the replacement assembly in
the vacated position.
9 Reattach any cables removed in step
6 in reverse order.
10 Properly reroute all cables.
11 If alarm status shows active alarms,
troubleshoot all alarm conditions .
At the maintenance terminal, enter:
TEST ACT (cr)
TEST STDBY (cr)
Test the polling function.
12 If alarm status shows active alarms,
resolve all alarm conditions present.
13 Seat the rear panel in its fully seated
position and reinstall the slotted pan
head screws previously removed.
14 Reattach the front panel of the
chassis.
15 At the maintenance terminal, enter:
>RSERR ACT 00 (cr)
16 At the maintenance terminal, enter:
>RSERR STDBY 00 (cr)
17 At the Switch and Status Panel:
a. Press the A/B Select Switch to
match the active processor.
56K Crossover circuit pack 141
(continued)
Notes
Office alarms cease.
Make sure all wires and cables are
routed so they are not pinched or in
contact with the arc of the fan blades.
From step 3.
3
If removed.
To clear any alarms on the active
processor.
To clear any alarms on the standby
processor.
If all alarms clear, place the active
processor unit in PRIME mode.
(continued)
DPP Card Replacement Guide BCS35 and up