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Note: To avoid RF inter-
ference problems and
possible damage to the
MP modem, do not power
on the MP modem before
connecting the Main RF
antenna.
Note: Connector part
numbers: 39-01-2040 or
39-01-2045. Pins part
number: 39-00-0039.
Rev 1.0 Apr.10
3. Connect the Main RF antenna cable to the TNC connector on the rear of the
MP modem.
4. If you are using GPS, connect the GPS antenna cable to the GPS antenna
connector on the rear of the MP modem.
5. If you are using WAP, connect the AP antenna cable to the AP antenna
connector on the rear of the MP modem. (MP895WiFi only)
Serial Host
Figure 4-5: The MP modem's SMA connector for the GPS and AP antennas (top), and the TNC
connector for the Main RF antenna (bottom).
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.
Hardware and Software Installation
GPS antenna
USB Host
GPS
Ethernet Host
Main RF
Main RF antenna
AP antenna
I/O
AP
Power
27
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