Sierra Wireless AirLink GX400 Modem Installation Guide
4
876-0238-000 Rev A1
Connecting the Cables
Use the diagram at right to
connect the cables to the
modem.
(9 VDC to 36 VDC
12 VDC nominal)
Battery
or
Power Source
Green wire not
used in this
installation
White wire to
vehicle
ignition or VCC
Pin 4
Digital
I/O
Pin 3
Ignition
Sense
Pin 2
Ground
Pin 3
VCC
Black wire
to power
source
negative
Red wire
to power
source
positive
Gray power cable
to DC Power port
Cellular antenna cable
GPS antenna cable
Wire colors shown at
left correspond to wire
colors of power cable
shown above right
Cellular antenna
GPS antenna