Upgrading The System - AT&T MERLIN LEGEND Release 3.0 Installation Manual
Communications system
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Also See for MERLIN LEGEND Release 3.0:
- System programming manual (818 pages) ,
- System programming and maintenance manual (128 pages) ,
- Programming summary manual (446 pages)
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Upgrading the System
To upgrade the control unit, follow the steps below:
1
Remove the control unit housing.
"Removing the Control Unit Housing," next in this chapter.
See
2
If the current system programming is to be used in the upgraded system,
back up system programming.
"Completing the Upgrade," later in this chapter, for details.
See
3
Power down the system.
"Powering Down the System, " later in this chapter, for instructions.
See
Upgrading the System 9-1
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