Nortel Meridian 1 Option 11C Upgrade Manual page 47

Upgrade a two-cabinet system with metal cable to Option 11C
— If you are using the Database Upgrade Tool, ignore this step and
go to Step 5 on page 47.
— If you are using the CCBR feature and a PC, perform the following
steps.
a Log in to the existing Option 11.
b Load overlay program 43 (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).
d After the backup finishes, enter XVR to check the backed up
data.
e Exit LD 43 by entering
Note: Refer to the Option 11 Customer Configuration Backup and
Restore Guide for details about the CCBR feature.
5 Disconnect the power from the main and expansion cabinets.
Set the circuit breaker switch on the front of the power supply unit in
each cabinet to OFF.
If equipped with reserve battery power, set the circuit breaker switch
inside the reserve battery power units to OFF.
6 Disconnect and remove the NTAK1204 or NTAK1205 cable from
both cabinets (see Figure 10 on page 48).
****.
Option 11C and 11C Mini
Page 47 of 224
Upgrade Procedures Guide