AT&T MERLIN LEGEND Release 3.0 System Programming Manual page 118

Upqrading the System
Upgrade Procedure
IMPORTANT:
The upgrade procedure must follow the order of the steps shown below.
1 Install SPM.
To upgrade the system to Release 3.0, you will need to install (or upgrade to)
Version 3.XX of SPM. See "installing the SPM Software. "
2 Back up your system programming.
This step creates a file containing system programming information. See
"Backup."
3 Replace the processor module.
a. Turn off the AC power switches on the control unit in the following order:
(1) Basic carrier
(2) Expansion carrier 1, if present
(3) Expansion carrier 2, if present.
b. Unplug the interface cords from the SPM and SMDR printer ports on the processor
module.
c. Remove the processor module from Slot 0.
d. Install the Release 3.0 processor module in Slot 0.
Plug the interface cords into the SPM and SMDR printer ports on the processor
e.
module.
f. Turn on AC power to the control unit in the following order:
(1) Expansion carrier 2, if present
(2) Expansion carrier 1, if present
(3) Basic carrier.
4 Perform a System Erase (frigid start).
Use the following procedure to ensure that all system programming is returned
to default values.
Maintenance → Slot → 00 → Demand Test → System Erase (Line 5, left button) →
System Erase (Line 5, left button) → Yes
The System Erase option is not displayed on the screen to prevent accidental
erasure of system programming. See Maintenance and Troubleshooting for
additional information about System Erase.
5 Convert your backup file to Release 3.0 format.
This procedure converts the backup file created in Step 2. See "Convert."
Restore your system programming.
6
The system is forced idle and cannot be used during this procedure. See
"Restore. "
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Programming with SPM