Instruction manual

UPGRADES AND ADDITIONS
Port circuit packs that were removed can be reinstalled in the Expansion Control Cabinet.
Port circuit packs that must be upgraded for G3r functionality can be installed at this
time. See Table U for a list of the circuit packs and their replacements.
One current limiter (CFY1) circuit pack is installed on the Expansion Control Cabinet in
cabinet position A.
The AUX connection previously made to the A position Control Cabinet can also be
reused to the new A position Expansion Control Cabinet. Note, however, that the AUX
connection will no longer support the INADS link. The terminal connections used previ-
ously can also be reused to the new A position Expansion Control Cabinet.
DEFINITY Generic 1 EPN SCC Upgrade to DEFINITY Generic 3r
EPN SCC With Duplication
The DEFINITY Generic 1 EPN SCC upgrade to DEFINITY Generic 3r EPN SCC requires the fol-
lowing:
Remove TN776 Expansion Interface circuit pack (located in port slot 1 of cabinet position
A of the Expansion Control Cabinet J58890N). This will not be reused.
Remove TN776 Expansion Interface circuit pack (located in port slot 2 of cabinet position
B of the Port Carrier Cabinet J58890H). This will not be reused.
Install TN570 Expansion Interface circuit pack in port slot 1 of cabinet position A of the
Expansion Control Cabinet J58890N.
Install TN570 Expansion Interface circuit pack in port slot 2 of cabinet position B of the
Expansion Control Cabinet J58890H.
Port circuit packs that must be upgraded for G3r functionality can be installed at this
time. See Table U for a list of the circuit packs and their replacements.
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