3-32 Installation
2-Mb/s Remote Peripheral Equipment Appendix 1 to 553-2741-200
C h a r t 3 - 3 ( c o n t i n u e d )
QBL24 battery unit installation (main unit)
S t e p
P r o c e d u r e
14
Connect the power and control wiring from the QBL24 unit as
follows (Figure 2-8):
• Connect the long black wires (designated 1 and 2) to terminals 1
and 2 of TB3 at the rear of the rectifier.
• Remove straps from terminals 1 and 2, and 3 and 4 of TB4 at
rear of rectifier (Figure 2-8).
• Connect the black wire equipped with a spade tip connector to
terminal 2 (+SENSE) on TB4 (Figure 2-8).
• Connect the red wire equipped with a spade tip connector to
terminal 3 (-SENSE) on TB4 (Figure 2-8).
• Connect red and black wires not equipped with connectors
(bare-ended) to the R(1) and BK (2) terminals of TB1 at the rear
of the QUX19 unit (Figure 2-8).
• Connect the white wire equipped with two spade tip connectors
(designated DCON) to the terminal designated DCON
(terminal 5) on TB4 at rear of rectifier. Connect the second
connector on the wire to terminal 3 on TB2 at the rear of the
QUX19 unit.
• Connect the remaining green wire to the GRD1A lug on the
ground bar at the rear of the cabinet.
15
Install cover on QBL24 battery unit and secure with locking
screws.
16
Set all breakers on the front of the QUX19 and QUX20 power
distribution units to the OFF position.
17
Connect the power line cord to the commercial power supply.
18
Set the AC BRKR or AC POWER breaker on the front of the -48
V rectifier to ON.
