User's Manual

Chapter 1: Installing the Modem
18 BlueTree Wireless M2M Express Product Manual V1.5
Pin designations for the connector are shown below.
Powering up the modem
Note: Make sure that the antenna is connected to the modem before applying
power.
To connect the power cable:
• Connect the red wire directly to the baterry’s positive (+) terminal
or to a source of 5-to-30Vdc.
• Connect the black wire directly to the battery’s negative (-)
terminal or to ground (GND).
• The white wire must be connected to either:
a) a switch for manually turning on and off the modem,
b) the vehicle’s “Accessory for position 2”, for turning ON the
modem without turning on the engine,
c) the vehicle’s “Accessory for position 3”, for turning ON the
modem only when the engine is turned on.
Pin Annotation Color Description
1 GND Black Ground
2 POS Red Power supply input 5 to 30 Vdc
3 IGN White Ignition input
4 OUT Green Not used
The Ignition Sense Line
should not be connected
directly to the battery.