AirLink MP595 / MP595W Modem User Guide
Note: Connector part numbers:
Step 3—Install the power harness
In a typical installation, the MP modem is connected to the vehicle’s battery with the power harness. The MP modem supports a voltage range between 9 volts direct current (VDC) and 36 VDC, and is designed for both 12 VDC and 24 VDC vehicle electrical systems.
Note: Electrical installations are potentially dangerous and should be performed by personnel thoroughly trained in safe electrical wiring procedures for vehicles.
Power connector
The power harness connects to the MP modem with a Molex connector.
Power connector (Molex) pinouts
The pinouts for the Molex connector on the power harness are:
White wire (Ignition sense)
Unused
Red wire (Battery)
Black wire (Ground)
Figure
The battery (red) and ignition sense (white) wires in the power harness include 5 A fuses. The black ground wire is not fused. (See “Ground the power harness” on page 34.) Replacement power harnesses are available from Sierra Wireless.
Note: The battery cable used for a car, truck, or other mobile connection must be less than 3 meters in length.
Vehicle installation
This section applies to installing the MP modem in a vehicle. If you are installing it in an office, see “Office installation” on page 35.
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