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Equipment replacement
553-2601-500A
Standard 2.0
December 1994
14
Connect connectors P1, P5, P6, and P7 from QUX19 unit to
connectors J1, J5, J6, and J7 at rear of QUAA3 unit.
15
Connect connector PE to connector J on backplanes.
16
Connect power wiring harness containing three red wires, two blue
wires, and a black wire to TB4 at the rear of the QUAA3 unit as follows:
—
The two 10 AWG red wires to terminals 1 and 2.
—
The two 10 AWG blue wires to terminals 3 and 4.
—
The 14 AWG black wire to terminal 5.
—
The 14 AWG black wire to terminal 6.
17
At the cabinet ground bus, connect the remaining wires from the
QUX19 unit as follows:
—
Black and yellow wires to terminal GRD2A on one lug.
—
Blue wire to the second lug on terminal GRD2A.
—
One black wire on each lug of terminal GRD2G.
—
One white wire on each lug of terminal GRD1C.
18
If previously removed, reinstall EMI shields and reconnect cables at
rear of cabinet.
19
Set the CAB INP breaker on the front of the QUX19 unit to ON.
20
Set the AC BRKR breaker on the front of the –48 V rectifier to ON.
21
Set the DC BRKR breaker on the QBL24 battery units (if equipped)
serving the cabinet to ON.
