Nortel Meridian 1 Hardware Replacement Manual page 131

SCPU
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b. Set the NORM/MAINT switch to MAINT on the now active CP
card.
c. Connect the terminal to the port on the inactive Core.
3 Set the NORM/MAINT switch to MAINT on the CP card in the card
cage you are replacing (the inactive Core). Wait 2 minutes for the
system to initialize. (A series of INI messages will be seen on the
terminal for the inactive Core.)
4 Disable the clock controller card and any QPC720 Primary Rate
Interface or QPC472 Digital Trunk Interface (PRI/DTI) Cards in the
card cage you are replacing.
a. Check the status of the clock controller cards:
LD 60
SSCK x
If the clock controller card is active, switch to make it inactive:
SWCK
Disable the clock controller card:
DIS CC x
b. Set the ENB/DIS switch to DIS on the clock controller card in the
card cage you are replacing.
c. Disable any PRI/DTI cards in the card cage you are replacing.
DISL loop
****
Note: If the PRI/DTI cards service loops that cannot be out of service,
move the cards to a different module and reenable them.
5 Set the ENB/DIS switch to DIS on all CNI cards and the IODV/C in the
card cage you are replacing.
6 Follow the steps below to disconnect and remove the NT8D22 System
Monitor (do not turn off the blower unit in the front of the pedestals):
Replacing equipment
switch Cores
exit LD 135
"x" is the Core (0 or 1)
"x" is the Core (0 or 1)
disable the network loop and the card
exit LD 60
Page 131 of 250
Hardware Replacement