Nortel Meridian 1 Replacement Manual page 59

28 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
****
29 Set the NORM/MAINT switch on the NT5D10 Call Processor card to
MAINT on the active Core.
30 Set the ENB/DIS switch on all CNI cards on the inactive Core to DIS.
31 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.
Installing equipment
1 Set the NORM/MAINT switch to MAINT on the replacement card.
2 Insert disk A1 into the IOP/CMDU or CMDU.
3 Remove the current CP card and put it in a static bag and box.
4 Ensure the NORM/MAINT switch is set to MAINT, and insert the CP
replacement card into its vacated slot and hook the locking devices.
5 Press the MAN RST button on the replacement CP card.
6 Select the following options in sequence from the Install Menu:
<g>
<y>
<y>
Replacing equipment
determine which CP card is active
switch Cores
exit LD 135
to reinstall CP software
to start installation
to continue installation
Page 59 of 362
Hardware replacement