User guide

Installing and Activating the AirLink GX440
Rev 1.0 Jan.12 29
If the AirLink GX440 is used in a vehicle or battery-powered application, the red
wire should be connected to battery power and the black wire to ground. The
white low-power timer enable input wire must be connected to either unswitched
or switched power for the GX440 to operate. The AC adapter accessory for the
GX440 has power on two pins: main power and low-power timer enable. See the
“Power Modes and Information” section in Chapter 5 for additional information on
the various low-power modes available when using the GX440.
The battery cable used for a car, truck, or other mobile connection must be less
than 3 meters in length.
The AirLink GX440 has an internal polysilicon circuit breaker and reverse polarity
protection.
Figure 3-4: AirLink GX440 Power Connector
Warning: Explosion Hazard - When the device is located in a combustible atmosphere,
do not connect or disconnect the AirLink GX440 unless power has been switched off.