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GET A PRINTOUT OF
THE EXISTING
SYSTEM
• If
adding more stations, and if there is a jack field for
them, you may need to enlarge that jack field. If no
jack field exits, one may have to be built, especially if
there are to be more than 30 stations, since a jack field
would be the preferred method of connecting that
many stations to the control unit. See “Jack Field
Wiring” on page 2-33 for instructions that will enable
you to enlarge or build the jack field.
Recall that the maximum number of stations is the
following for the different MERLIN II systems:
> Feature Module 1 =72
> Feature Module 2 = 88 (72 responding stations)
> Release 3 = 120
Before you change the existing system
printout of the existing system settings
to upgrade it, get a
so that you can
later restore any voice terminal programming and system
administration that will still apply to the new system. To
get a printout from the administration menu, foIlow these
steps:
With a Display Console
1
2
3
Enter administration mode by sliding the T/P switch to
P.
Press Conference
twice.
Press
[More], [More], [Print], [All].
The administration menu appears.
Wait until printing is complete before leaving
administration mode. Don’t remove the printout
after you’ve left administration mode or printing
alignments will be affected.
until
page
2-132 Upgrading an Existing System