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Power Connections
Your unit comes with a power/data cable that splits into three
branches, each with several exposed wires.
The thicker three-wire cable (white, red and black) is the power supply
for your display unit. This cable has no label.
The thinner branch with three wires (red, black and shield) is the
power cable for a NMEA 2000 network. It is labeled "NMEA 2000
POWER."
The branch with four wires (blue, yellow, orange, and shield) is a data
cable, labeled "RS-232 COMM." It supports a serial communication
port. This allows your unit to exchange NMEA 0183 data with another
device, such as an autopilot, DSC marine radio or computer.
NOTE:
There are two basic power connection options, which are shown in
the following two diagrams. Read the following instructions
carefully to determine which power connection applies to
your unit. Depending on your configuration, you may not use all of
these wires.
The Power/Data cable for this unit.
Caution:
All of the wires in the power/data cable have bare ends for eas-
ier installation. The bare ends on any unused wires could cause
an electrical short if left exposed. To prevent this, you should
cover the individual wire ends – either by capping them with
wire nuts, wrapping them with electrical tape or both. (You
should cut off the bare wire before taping off the ends.)
To unit
Display unit power wires:
white, red and black
NMEA 2000 power wires:
red, black and shield
Data cable wires:
blue, yellow, orange,
and shield