Nortel Meridian 1 Replacement Manual page 226

Page 226 of 362
553-3001-520 Standard 16.00 April 2000
Replacing equipment
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 NT9D19 Call Processor cards:
LD 135
STAT CPU
If necessary, switch Cores:
SCPU
****
3 Set the NORM/MAINT switch on the NT9D19 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.
c Release the MAN RST button.
The system is now in split mode where each Core is functioning
independently and the automatic switchover has been disabled.
CAUTION
determine which CP card is active
switch Cores
exit LD 135