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Vehicular installation
Terminal power connection
Vehicular power schematics
Chapter 1 • Installation Instructions
18
H63998 Revision B
For vehicular use, determine if the Remote Switch/Ignition line will be used or
not. If used, the Terminal will be powered up or down when the vehicle's
ignition is switched on or off. Refer to Figure 13 for the power schematic.
Note: If an Ignition Sense line is NOT used, the Modem will be powered
independently of the Ignition being switched on or off – this could lead to the
vehicle battery being completely discharged.
P in
Wire Color
1
White
2
Black
3
Red
Figure 12: Vehicular wiring configuration (using Ignition Sense / Remote Switch)
Function
Remote
Switch/Ignition
Ground
Power +12VDC
Table 7: Power plug pin-out
Details
Link Pin 1 & 3 if
Ignition not enabled
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