Lucent Technologies MERLIN LEGEND Release 5.0 Installation Manual page 288

MERLIN LEGEND Communications System Release 5.0
Installation 555-650-140
Upgrading the System
Upgrading the Control Unit
Replace the processor module. See

NOTE:
If the processor module is to be modified for Key mode, perform Step 4
through Step 10 of "Modifying the Processor for Key Mode" before
proceeding.
a. Press up on the tab at the bottom rear of the old processor
b. While the tab is unlocked, pull the processor module towards you,
c. Install a Release 4.0 processor module. See
d. Power up the system.
Upgrade the processor module to Release 4.0 (when upgrading

from Release 3.0 or 3.1).
NOTE:
If the processor module is to be modified for Key mode, see
the Processor for Key Mode''
a. Insert an Upgrade memory card into the PCMCIA interface slot on
b. Perform the software installation.
See "Forced Installation/Upgrade of System Software" in Maintenance and
Troubleshooting for more details on this procedure.
Program the system.

Test the system.

See Chapter 7, ''Initializing and Testing the
module.
then lift it straight up.
Processor'' in Chapter
the processor module.
Menu
Maintenance
If the current system programming is to be used in the upgraded
system, see ''Completing the Upgrade''
If the system is to be re-programmed, see the System Planning
Forms and System Programming.
Figure
2.
later in this chapter.
System Upgrd/Instll Yes
System''.
June 1997
Page 9-11
9-3. Then go to Step 7.
''Installing the
''Modifying
later in this chapter.
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