Nortel Meridian 1 Manual page 747

47 Set the ENB/DIS switch on the MSI or EMSI card in CPU 1 to DIS and
remove the card. Replace the QMM42 cartridge for release 18 software
with the QMM42 cartridge for release 19 software. Reinstall and enable
the card.
48 Set the ENB/DIS switch on the MSI or EMSI card in CPU 0 to DIS and
remove the card. Install the QMM42 cartridge for release 19 software.
Reinstall and enable the card.
49 Remove the disks containing release 18 software from the drives and
insert ED floppy disks with release 19 software into the NTND16 MDU
drives. Insert disk A in DRV A and disk B in DRV B.
50 Perform a data dump. At the prompt, enter
EDD
When "DATABASE BACKUP COMPLETE" or "DATADUMP
COMPLETE" appears on the terminal, proceed to the next step.
If the data dump is not successful, do not continue; contact your
technical support organization. A data dump problem must be
corrected before proceeding.
51 Set the ENB/DIS switch on the QPC580 CPU Interface card in CPU 0 to
ENB. Verify that the MAINT/NORM switch is set to NORM.
52 In CPU 1, set the MAINT/NORM switch on the QPC580 Interface card
to NORM.
53 Simultaneously press both RLD buttons on the NTND10 CMA cards.
System messages similar to the following will appear:
SYS000
SYSLOAD RLS: xxISSUE:x
DONE
INI000
54 Log into the system.
Upgrade system installation Upgrading to Meridian 1 system options
Meridian 1 option 71 upgrade
to begin the data dump
CAUTION
11-11