Instruction manual

UPGRADES AND ADDITIONS
Port circuit packs that were removed from cabinet position A can be reinstalled in the
Expansion Control Cabinet. Port circuit packs that must See Table U for a list of the cir-
cuit packs and their replacements.
Port circuit packs that were removed from cabinet position B can be reinstalled in the
Port 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.
The Port Cabinets must be readministered. The first Port Cabinet is administered in the
B position.
Duplication cables H600-204 and Gx are added between the Expansion Control Cabinet
and the cabinet position B Port Cabinet, connecting ICCA and ICCB pin fields.
Install TN570 Expansion Interface circuit pack in port slot 1 of Expansion Control Cabinet
J58890N.
Install TN768 Tone Clock in port slot 1 of the cabinet position B Port Cabinet. Any circuit
pack previously installed in this position must be relocated.
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