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GPSMAP 4000/5000 Series Installation Instructions
Connecting a GPSMAP 4000/5000 Series Chartplotter to an Existing Garmin Marine network
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Garmin
GPSMAP 4000/5000
series chartplotter
GSD 22 sounder unit
To transducer
Garmin marine radar
Garmin
GPSMAP 3000 series
chartplotter
GMS 10 marine network port expander
GDL 30/30A
XM weather receiver
NOTES:
• When connecting a GPSMAP 4000/5000 series chartplotter to an existing Garmin Marine Network, the GMS 10 can be used but is not
necessary. The GPSMAP 4000/5000 series chartplotter has three network ports and acts as a port expander. Wire the GPS antenna and
additional NMEA devices to either the existing GPSMAP 3000 series chartplotter or the new GPSMAP 4000/5000 Series chartplotter. The
existing GPSMAP 3000 series chartplotter and the new GPSMAP 4000/5000 series chartplotter share NMEA 0183 data and Garmin Marine
Network data, but do not share cartography.
• Every device connected to the Garmin Marine Network must be connected to the power supply for the boat. This diagram shows the network
connections; however, it does not show the power connections. Wire each device according to the appropriate installation instructions.
• This diagram shows the Garmin Marine Network connections; however, it does not show NMEA 2000 or NMEA 0183 connections.
