Sierra Wireless MP 555, Installation Manual

Page: 14 / 36

MP 555 GPS Vehicle Installation Guide
GPS and I/O Options
/
The Modem Housing
2130297
The MP 555 GPS wireless modem provides support for GPS
(Global Positioning System) and for attaching input/output
devices.
GPS. If you plan to use the MP 555 GPS’s built-in GPS module,
you must connect a GPS antenna and an antenna cable, or use
a combination antenna that can connect to both the GPS and
CDMA RF connectors on the MP 555 GPS housing.
Other I O devices. Other devices, such as panic buttons,
sensors, or gauges may also be installed with the MP 555 GPS
and connected with an I/O cable to the I/O port. (See “I/O Port
Connections” on page 25.)
The MP 555 GPS has a rectangular metal housing:
Figure 2-2: Top view of the MP 555 GPS.
There is a connector panel on one end of the housing, an
indicator panel on the opposite end, a reset button on top, and
mounting holes along the bottom edges on either side.
As shown in the following photographs, the modem has seven
connectors on its connector panel, six of which are currently
supported. The indicator panel has four indicator LEDs.
14