Nortel Meridian 1 Replacement Manual page 142

Page 142 of 362
553-3001-520 Standard 16.00 April 2000
Replacing equipment
There should be an SDI TTY connection at J30, which should remain
connected at all times to monitor system status.
2 The CP card you are replacing must be on the inactive Core. Check the
status of the CP cards:
LD 135
STAT CPU
If necessary, switch Cores:
SCPU
****
3 Put both Cores into maintenance mode and remove the CP card you are
replacing using the following sequence:
a First, set the NORM/MAINT switch to MAINT on the active CP
card (the one you are not replacing).
Setting the NORM/MAINT switch to MAINT on the inactive CP card
at this point will cause an init.
b Then, set the NORM/MAINT switch to MAINT and press the
MAN RST button on the CP card you are replacing. Unhook the
locking devices in the CP card you are replacing and pull it out of
the card cage.
Installing equipment
1 Set the NORM/MAINT switch to MAINT on the replacement card.
2 Match the ROM on the replacement card to the software currently on the
CMDU hard disk by using the following procedure:
— For systems equipped with an IODU/C, insert the Install diskette
which corresponds to the NT6D66 Call Processor
— For systems equipped with a CMDU or IOP/CMDU, insert disk A1.
— Insert the CP replacement card into its vacated slot and hook the
locking devices.
determine which CP card is active
switch Cores
exit LD 135
WARNING