Lucent Technologies MERLIN LEGEND Release 5.0 System Programming And Maintenance Manual page 89

MERLIN LEGEND Communications System Release 5.0
System Programming and Maintenance (SPM) 555-650-140
System Programming and Maintenance
Upgrading the System
Turn on the AC power switches on the control unit in the following

order:
(1) Expansion carrier 2, if present
(2) Expansion carrier 1, if present
(3) Basic carrier
Convert your backup file to Release 4.0 format.

This procedure converts the backup file created in Step 2. See ''Convert''.
Restore your system programming.

The system is forced idle and cannot be used during this procedure. See
''Restore''.
Program new features.

If you wish to use the factory defaults for the new features available with
Release 4.0, skip this step.
NOTE:
After upgrading to Release 3.0 or 4.0 from Release 1.0, 1.1, 2.0, or 2.1
some programming will be lost. You must reprogram the following:
Authorization Codes
Extensions
SMDR Account Code Format
Options
Inter-digit Timers
Options
See Tables 7
Table 7. Lists the features added with Release 1.1 of the
communications system.
More
AuthCode
SMDR AuthCode
More
Interdigit
through 14 which follow this procedure.
Issue 1
June 1997
Page 75