Sierra Wireless MP 875 - Manual (Page 25)

Rev 1.5 Jul.08 25
3: Hardware and Software
Installation
• Install the MP modem This chapter provides instructions for installing the MP
modem, installing the 3G Watcher software, and activating
your account.
The MP modem installation should be done by a professional.
Before you begin the installation, ensure that you have all the
necessary components and equipment listed in “Required
equipment” on page 22, and have read the “Installation
overview” section below.
Installation overview
The MP modem may be installed in a vehicle (typically the
trunk) and connected to a laptop computer mounted on the
dashboard (as shown in the following illustration) or in an
office.
Note: The MP modem is
designed for negative-ground
vehicles only. It will not function
in a positive-ground vehicle. Figure 3-1: Installation of the MP modem in a vehicle equipped with a
notebook computer and a combination antenna, using the car battery for
power and ignition-sense wiring for power on/off.
MP modem housing
The MP modem has a rectangular metal housing. There is a
connector panel on the rear, an indicator panel on the front of
the housing, a reset button on top, and mounting holes along
the bottom edges on either side.
Main RF/GPS
antenna
MP modem