Nortel Meridian Meridian 1 Upgrade Manual page 55

Communication Server 1000M and Meridian 1
3 In Core 1, set the NORM/MAINT switch on the Call Processor card to
MAINT.
The system is now in split mode, with call processing on
Core 0 with Clock Controller 0 active and IGS in Shelf 0 is
active.
Software disable Network cards in Core/Net 1 from Core/Net 0
CAUTION
Service Interruption
At this point, the upgrade interrupts service.
Procedure 11
Software disabling cards in network slots of Core/Net 1 from Core/Net 0
1 In Core/Net 1 only, software disable all network and I/O cards such as
XNET, TTY, Conf/TDS and ISDN cards:
a. In Core/Net 1 only, disable XNET.
LD 32
DISL sl
****
b. In Core/Net 1 only, disable ENET.
LD 32
DISL X
****
Performing the upgrade
End of Procedure
Load program
Disable the XNET, where sl = the superloop
number of the XNET card
Exit program
Load program
Disable the ENET, where X= the loop number of
the ENET card
Exit program
81C IGS to CS 1000M MG CP PII FNF Upgrade
Page 55 of 284