Nortel Meridian 1 Option 11C Upgrade Manual page 18

Page 18 of 224 Upgrade a single-cabinet system to Option 11C
553-3021-250 Standard 7.00
2 Log into the system and perform a data dump on the existing
system.
You must perform this step. It makes sure you back up any changes
made after the last data dump. This step is a precautionary measure.
If the upgrade fails, you can revert to the earlier system.
a Load LD 43.
b Enter command EDD. Allow the data dump to finish.
c Exit LD 43 by entering
3 Load overlay LD 22 and print the ISM parameters. Make a note of
the existing parameters.
At the REQ prompt, type SLT and press <CR> to print the ISM
parameters.
The existing software cartridge indicates the ISM parameters.
4 Do one of the following:
— If you are using the Database Upgrade Tool to extract the
customer database from the existing system, disregard this step.
Go to Step 5 on page 18.
— If you are using the CCBR feature to extract the customer data
from the existing system, perform the following steps.
a Use a PC to log in to the existing Option 11.
b Load LD 43 and enter XBK to start a configuration data
backup.
c At the INFO prompt, enter a name for the file (up to 128
characters) and press <CR> twice.
Wait for the transfer to finish, until you see an OK message.
The transfer can last up to 30 minutes
d Enter XVR to check the backed up data.
e Exit LD 43 by entering
5 Disconnect the power from the cabinet.
Set the circuit breaker switch, on the front of the power supply unit in
the cabinet to OFF.
If the system has reserve battery power, set the circuit breaker switch
inside the reserve battery power unit, to OFF.
6 Attach the antistatic wrist strap provided at the bottom of the
cabinet to your wrist.
April 2000
****.
****.