2: Installation
PRC-BC4-MS 2-3
The PRC-BC4 is shipped with a molded AC power cable with a 3-wire plug
and jack. It may be necessary to modify the plug to fit non-standard US AC
receptacles. The following table provides the color codes for the conductors in
the AC power cable.
2.2.2 DC Input Power
The PRC-BC4 also ships with a 2-wire (14 AWG) DC power cable. One end
of the cable is unterminated so the appropriate connector can be added to
connect to a DC power source. The power source must provide 20 to 30 VDC
and be capable of supplying 5A. A vehicle battery is a typical DC power
source.
The front panel DC INPUT connector is wired according to Figure 2-3 below.
Figure 2-2 Power Transformer Connections
110
3
VAC
AC
FUSE
:
A
220
1.5
VAC
AC
FUSE
:
A
1
SWITCH AC
PLUG
12
3
4
56
SWITCH AC
PLUG
12
3
4
56
Wire Type US Standard Color
Code
International Color Code
Phase Black Brown
Neutral White Blue
Ground Green Green/yellow stripe
Figure 2-3 DC Power Connection
AB
(+) 12 V
DC
(–)
GROUND
B
=
A
=
FRONT
PANEL
JACK
DC
INPUT
CABLE
PLUG
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