User's Manual

Table Of Contents

4000/5000 Modems’ User Guide

Pin designations for the connector are shown below.

Powering up the modem

Note: It is recommended to have the cellular antenna connected to the

modem before applying power.

 Connect the red wire directly to the battery’s positive (+) terminal or to a

source of 8-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.