Northern Telecom BCS35 Replacement Manual page 47

Procedure 4–1
Replacing the Memory Expansion circuit pack
Step Description
8 At the maintenance terminal, enter:
>RSERR STDBY 00 (cr)
9 At the maintenance terminal, enter:
>TEST STDBY 00 (cr)
10 Place the active processor unit in
PRIME mode. At the Switch and
Status Panel:
a. Press the A/B Select Switch to
match the active processor.
b. Make the O/P Mode Select
Switch P.
c. Turn the Mode Switch to the
right.
11 At the maintenance terminal, enter:
>RSERR ACT 00 (cr)
12 If alarm status shows active alarms,
troubleshoot all alarm conditions .
At the maintenance terminal, enter:
TEST ACT (cr)
TEST STDBY (cr)
Note: Make sure any circuit pack option settings are correct before replacing any cards. Incorrect
settings can cause improper performance and produce faultlike symptoms in the DPP.
Memory expansion circuit pack 31
(continued)
Notes
To clear any alarms on the
standby processor. Alarms
will clear if there are no faults.
After RSERR, alarms may
reappear. TEST forces
diagnostics which confirm if
the fault were corrected.
Make the active processor the
PRIME processor.
Turn it 45 degrees to the right
and release.
To clear all alarms on the
active processor. Alarms will
clear if there are no faults.
End
DPP Card Replacement Guide BCS35 and up