Installation 3-61
2-Mb/s Remote Peripheral Equipment Appendix 1 to 553-2741-200
C h a r t 3 - 9 ( c o n t i n u e d )
QCAD321 junction box assembly installation
S t e p P r o c e d u r e
19 Install and connect a AWG black wire from the positive (+ve) bus
in the QBL15 battery distribution box to terminal 5 of terminal
block TB1 in the QCAD321 junction box (Figure 2-13 and 2-14)
Note:
Use one 4 AWG wire for distances up to 100 ft (30 m).
Use two 4 AWG wires for distances of 100 to a maximum of
200 ft (30 to 60 m). Terminal 6 of terminal block TB1 in the
junction box is reserved for a second AWG wire.
20 Ensure that all connections and conduit (if required) are
secured. If conduit is not used, grommets should be installed in
the entrance holes of the QCAD321 junction box to protect the
wiring
21 Install cover on QCAD321 junction box and secure with four
screws.
22 Insert the previously removed DISCHARGE fuse in the QBL15
battery distribution box (Figure 2-13).
23 Connect the power line cord to the commercial ac power supply.
24 Set breakers to ON in the cabinet in the following order:
a) CAB INP breaker on the QUX19 or QUX21 power distribution
unit (whichever is equipped).
b) CE/PE1 breaker on the QUX19 unit (if equipped).
c) Remaining PE breakers on the power distribution units
(QUX20, QUX21).
Note:
The numbers assigned to the PE breakers correspond to
the shelf positions in the cabinet. Breakers for unused shelf
positions should be set to OFF.
