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MobileView User Manual
3.2.5 A
C
UDIO
ONNECTIONS
1)
Remove the J12 terminal block (
DVR back box.
2)
Connect the audio and power cables from the microphone
as shown in Figure 32.
Note: For instructions on making wiring connections at the microphone end,
refer to the instructions provided by the manufacturer.
3.2.6 I
P
NPUT
OWER
Power is supplied through the DVR's four-pin Molex connector (
box. The following connections from the vehicle junction box must be made to the DVR: 24 VDC
continuous with 6-amp circuit breaker source, circuit battery ground, chassis ground, and 24 VDC
ignition/engine running with source fused not greater than 1 amp. See Figure 33.
1)
Run a four-conductor 18 AWG wire from the
vehicle power source to the DVR location.
2)
Make connections to the vehicle source (contact
the vehicle manufacturer for information on
connecting to the vehicle power source).
3)
Crimp the wire pins using a Molex crimper, and
make connections to the DVR's four-pin Molex
according to Figure 33.
4)
Test the four-pin Molex wire-harness for power
(both continuous 24 VDC and engine
running/ignition).
Note: For a working definition of engine running/ignition,
contact the vehicle manufacturer.
5)
Plug the Molex into the J3 power management
board (
in Figure 24) on the DVR back box.
6)
Check the power connections with a voltage meter
to ensure correct polarity and connections.
1036564B / October 2002
in Figure 24) from the
C
ONNECTIONS
3 DVR Installation and Wiring
Twisted-pair power cable
Audio cable (shielded)
Figure 32. J12 audio connections
in Figure 24) located on the DVR back
12 or 24 VDC continuous battery:
12 VDC: 10 – 15 amp circuit breaker
24 VDC: 5 – 8 amp circuit breaker
Circuit battery ground
Chassis ground
12 or 24 VDC engine run/ignition:
12 VDC: minimum of 6 amps,
no greater than 12 amps
24 VDC: minimum of 1 amp,
no greater than 5 amps
Figure 33. Input power wiring to DVR
23
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