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Note: Connector part
numbers: 39-01-2040 or
39-01-2045. Pins part
number: 39-00-0039.
Rev 1.0 Mar.10
Diversity
Diversity RF antenna
Figure 3-5: The MP modem's SMA connector for the GPS and AP antennas (top), and the TNC
connector for the Main RF antenna (bottom right).
The AP antenna must be installed by a professional and there must be a
separation of at least 20 cm. between the AP antenna and the main RF antenna.
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)
Red wire
(Battery)
Figure 3-6: Pinouts for the power harness.
Hardware and Software Installation
Serial Host
USB Host
Main
RF
RF antenna
Unused
Black wire
(Ground)
GPS antenna
GPS
25
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