Replacing The Security Device On An Option 51C System - Nortel Meridian 1 Replacement Manual

Page 292 of 362

Replacing the Security Device on an Option 51C system

553-3001-520 Standard 16.00 April 2000
Replacing equipment
STAT
****
16 Perform the KNEW command:
LD 143
KNEW HD
****
17 Reboot the system at a time that will minimize service impact.
The new keycode will not take effect until the system reboots.
Performing this procedure in a nonredundant system, such as 51C, will
disrupt system operation. If possible, schedule the replacement at the
lowest traffic time.
1 To access the Core during the replacement procedure, connect a terminal
to the J25 port on the I/O panel in the Core Module or Core/Network
Module. To communicate with the processor, you must use the following
settings on the terminal:
9600 baud, 7 data, space parity, 1 stop bit, full duplex, XOFF
2 Set the ENB/DIS switch on the IODU/C with the faulty Security Device
to DIS.
3 Unhook the locking devices and remove the IODU/C.
4 Remove the round 1/2" diameter Security Device from the black round
Security Device holder on the top right corner of the IODU/C card.
5 Locate the round 1/2" diameter IODU/C replacement Security Device.
6 Make sure the 8-digit code on the Keycode diskette matches the 8-digit
code on the replacement Security Device.
to see the status of the IODU/Cs
to exit LD 137
to load the program
to copy the keycode to the other Core
to exit the program
WARNING