Lowrance electronic 4000M - Manual (Page 20)

14
Com-1 wiring to receive DGPS position information
from a DGPS receiver.
Com-1 wiring to receive NMEA position information
from some other GPS receiver.
Com-1 wiring to transmit NMEA position information
to another NMEA-compatible device.
Com-2 wiring to transmit NMEA position information
to another NMEA-compatible device.
Mounting the Unit: Bracket or In-Dash
You can install the GlobalMap 4000M on the top of a dash with the
supplied gimbal bracket. It can also be installed in the dash or mounted
on a portable power supply.
If you use the supplied bracket, you may be interested in the optional
R-A-M

bracket mounting system. This converts the unit's gimbal
bracket to a swivel mount, which can be used on the dash or overhead
mounting positions. Installation instructions are supplied with the
R-A-M mounting kits.
Orange (Receive)
Shield (Ground)
Transmit
Ground
Com-1
To unit
To DGPS
Receiver
Yellow (Transmit) Receive
Orange (Receive) NMEA Transmit
To Other
GPS Receiver Shield (Ground) Ground
Com-1
To unit
Ground
To Other
Device
Com-1
To unit
Yellow (Transmit) NMEA Receive
Shield (Ground)
Shield (Ground) Ground
Com-2
To unit
Blue (Transmit) NMEA Receive
To Other
Device