MP881W Modem User Guide
26
2130808
Note: Electrical installations are potentially dangerous and should be
performed by personnel thoroughly trained in safe electrical wiring
procedures for vehicles.
Power connector
Note: Connector part numbers:
39-01-2040 or 39-01-2045. Pins
part number: 39-00-0039.
The
power
harness
connects
to
the
MP
modem
with
a
Molex
connector.
Power connector (Molex) pinouts
The
pinouts
for
the
Molex
connector
on
the
power
harness
are:
Figure 3-6: Pinouts for the power harness.
The
battery
(red)
and
ignition
sense
(white)
wires
in
the
power
harness
include
5
A
fuses.
The
black
ground
wire
is
not
fused.
(See
Replacement
power
harnesses
are
available
from
Sierra
Wireless.
Note: The battery cable used for a car, truck, or other mobile
connection must be less than 3 meters in length.
Vehicle installation
This
section
applies
to
installing
the
MP
modem
in
a
vehicle.
If
you
are
installing
it
in
an
office,
see
Ignition sense on/off wiring
This
section
only
applies
to
installing
an
MP
modem
in
a
vehicle.
If
you
are
installing
the
MP
modem
in
an
office
building,
use
the
AC/DC
adapter.
White wire
(Ignition sense)
Red wire
(Battery)
Unused
Black wire
(Ground)
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