Nortel Meridian 1 Planning, Installation And Operating Instructions page 336

3 Invoke the Software Installation Program using Overlay 143.
Note: Perform this step only when using the Overlay 143 to invoke the
Software Installation Program. To invoke the program during a
SYSLOAD, skip this step and do
Login to the system by entering LOGI<cr> then enter the pass word in
response to PASS?.
Note: The response to PASS? is unique to each system.
Once logged in, enter:
LD 143<cr>
UPGRADE<cr>
If
SOFTWARE INSTALLATION PROGRAM
message appears go to
If
SOFTWARE INSTALLATION PROGRAM
message does not appear repeat Step 3 (this step) and make sure
correct information is entered
4 Invoke the Software Installation Program when prompted.
Note: Perform this step only when invoking the Software Installation
Program when prompted after the Software Delivery card is installed.
To invoke the program using Overlay 143, disregard this step and do
Step 3 instead.
Start system reload (SYSLOAD) by setting the circuit breaker on the
front of the power supply to OFF then to ON.
Note: When the FIVE SECONDS TO ENTER CONTROL-I TO
INVOKE SOFTWARE INSTALLATION PROGRAM message appears a
response must be entered within 5 seconds to invoke the program.
During SYSLOAD, the following prompt will appear:
FIVE SECONDS TO ENTER CONTROL-I TO INVOKE SOFTWARE
INSTALLATION PROGRAM
Press and hold 'control' key and press 'I'
Option 11C Compact
Chapter 22 — Upgrading software
Step
Step 6
Planning, Installation, Fault Clearing and CCBR Guide
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5.