Digital BUS-WATCH
®
SD40
Page 19 of 72
Radio Engineering Industries, Inc.
640434 -- Rev 0 -- 9/30/2011
Connect Camera Switching Devices (P/N 700462 or 710030) as needed for
multiple camera systems.
If the System operates in the Manual Record Mode, connect the red wire (labeled
12V SW), to the switched side of the ignition switch. The red wire should be fused at 1
A. The red wire does not need to be connected if the system is in Timer Record Mode,
however, best practices should include this connection in case DVR configuration is
changed in the future.
POWER
TRIGGER
VIEW
REAR
ETHERNET
CAM 4
CAM 3
CAM 2
CAM 1
SENSORS
ACC
GPS
12V OUT
POWER
IGN
VIA IGN SWITCH
TO BATTERY
TO BATTERY
(UNSWITCHED)
YEL
BLK
RED
512359
SD40 DVR POWER CABLE 16-1/2 FT.
SWITCH MAY BE VEHICLE IGNITION
OR USER INSTALLED TOGGLE SWITCH
CAM
1
BUS-WATCH DVR, SD40
710292
HR-SERIES
EXTERIOR
DOME
WEDGE
INTERIOR
WEDGE
CAM
2
CAM
3
CAM
4
*Connect WHITE wire DIRECTLY to the positive
terminal of the battery.
*Connect BLACK wire DIRECTLY to the negative
terminal of the battery.
System Wiring
Note: White wire fused @ 7A (1-6 Cameras), 10A for more cameras; Red wire fused @ 1A.
Figure 9: System Wiring – Power and Camera Cables
