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MP 555 GPS Vehicle Installation Guide
Note: If GPS is being imple -
mented, you requ re e ther two
antennas or a combination
CDMA and GPS antenna.
Note: The MP 555 GPS modem,
your computer, and any other
devices should be powered off
while you are connecting cables.
16
Required Equipment
To install the MP 555 GPS, you require the modem, the
provided power harness (or existing MP200 Series power
harness) and mounting template, and the screws and washers
that come with the device. You also require:
•
A
run from the mounting location of the MP 555 GPS to the
computer. The maximum length for the serial or USB cable
is 5.5 m (18 feet). The USB cable must have a Type A male
connector at the PC end and a Type B male connector at
the modem end.
•
A
have the appropriate regulatory approval, 50 ohm
i
i
impedance, and a male TNC connector. This may be a
hard-mount or magnetic-mount antenna—see "Antennas"
on page 19)
•
A
you plan to use the built-in GPS module. (See "Antennas"
on page 19.)
•
A
•
Appropriate electrical grounding. If a ground wire is
necessary, use a 16-gauge wire and connect it to the
ground screw on the modem's connector panel.
•
An
sensor, gauge, or other I/O device is being installed. (See
"I/O Port Connections" on page 25.)
Mounting the Modem
The MP 555 GPS can be mounted in the trunk of the vehicle,
under the dashboard, or under a front or rear seat.
Selecting a Mounting Location
When selecting a mounting location, consider the following
factors:
The modem should not be exposed to weather and
•
environmental conditions beyond the ranges listed in the
technical specifications on page 29. Avoid excessive heat
from the engine compartment, heaters, or the exhaust
system, and extreme cold from direct contact with air
conditioners or other cooling systems. Never immerse the
modem in water or any other liquid.
USB or 9-pin serial cable This must be long enough to
CDMA IS-95 RF antenna and cable
GPS antenna and cable optional)—This is necessary if
power supply. This is usually the vehicle's battery.
I/O cable (optional This is required if a panic button,
).
The antenna must
(
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