2-20
Installation and connections
Chart 2-2 Continued
QSD66 OR QSD69 EXPANSION SHELF INSTALLATION
STEP PROCEDURE
24
If this is an operating cabinet, set the CAB INP breaker on the QUX19 unit to ON to
restore service to the cabinet.
25
Install circuit packs in assigned positions in new shelf (Fig. 2-5).
26
If cabinet is not equipped with a built-in cross connect terminal (Fig. 2-3), install NE-
A25B-type cables from connectors A, B, C, D, E and F on the shelf backplane to the
cross connect terminal. Cable terminating sequence is shown in Table 2-A.
27
Set the input breakers for the new shelf to ON.
Note: The designations on the QUX20 power unit correspond to connectors PE2 through PE5
on the QCAD276 and QCAD277 power cables.
Appendix 1 to 553-2601-200
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