Nortel Meridian 1 Hardware Replacement Manual page 52

Page 52 of 250 Replacing equipment
553-3001-520 Standard 17.00 January 2002
CAUTION
Service Interruption
At some point in this procedure, you will be required
to warm start your system, causing a momentary
interruption in call processing.
Removing equipment
1 To access the Core during the replacement procedure, connect a
terminal to the J25 port on the I/O panel in the Core Module or
Core/Network Module for the CP card you are replacing. To
communicate with the processor, you must use the following settings
on the terminal:
9600 baud, 7 data, space parity, 1 stop bit, full duplex, XOFF
Note: If you are using only one terminal or a switch box, switch the
connection from Core to Core as needed.
2 The CP card you are replacing must be in the inactive Core. Check the
status of the NT5D10 Call Processor cards:
LD 135
STAT CPU
If necessary, switch Cores:
SCPU
****
3 Set the NORM/MAINT switch on the NT5D10 Call Processor card to
MAINT on the active Core.
4 Set the ENB/DIS switch on all CNI cards on the inactive Core to DIS.
5 Perform the following three steps on the inactive Core in an
uninterrupted sequence:
a. Press and hold down the MAN RST button on the CP card on the
inactive Core.
b. Set the NORM/MAINT switch to MAINT.
determine which CP card is active
switch Cores
exit LD 135