MP875 Modem User Guide
Connector panel
The MP 875 modem has the following connectors:
| GPS antenna | WAP antenna for wireless |
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USB (Type B) | Ethernet | I/O connector (DB15HD) |
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Serial Host |
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| I/O |
USB Host | GPS | Ethernet Host | AP | |||
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| Main RF |
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| Power | |
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Main RF antenna (female TNC)
Note: Electrical installations are potentially dangerous and should be performed by personnel thoroughly trained in safe electrical wiring procedures for vehicles.
Power harness (Molex connector)
Figure 3-2: MP 875 modem rear connectors
GPS and I/O options
The MP modem provides support for GPS (Global Positioning System) and for attaching input/output devices.
GPS. If you plan to use the MP modem’s built‐in GPS module, you must connect a GPS antenna using an antenna cable, or use a combination antenna that can connect to both the GPS and Main RF connectors on the MP modem housing.
Other I/O devices. Other devices, such as panic buttons, sensors, or gauges may also be installed with the MP modem and connected with an I/O cable to the I/O port. (See “I/O port connections” on page 37.)
Overview of installation steps
The installation process for the MP modem varies depending on how you plan to use it, where it best fits, and which of its features you plan to use. The main steps are:
1.Mount the MP modem.
2.Mount the antennas and connect the cables.
·Main RF antenna and cable
·GPS antenna and cable, if you plan to use GPS
·WAP antenna and cable (MP 595W only)
3.Connect the power harness.
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