Garmin GSD22 - Manual (Page 6)

GSD 22 Installation Instructions 
The following diagrams show the Garmin Marine Network with a GSD 22 connected.
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The Garmin Marine Network with a Single Chartplotter and a GSD 22
GSD 22 sounder
To transducer
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Serial cable
Ethernet cable
Transducer cable
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GSD 22 sounder
Garmin marine radar
Garmin GDL 0/0A
marine XM receiver
Garmin GMS 0 network
port expander
Garmin GPS 7
antenna
To transducer
The Garmin Marine Network with Multiple Devices and a GSD 22
Note: Every device connected to the Garmin Marine Network must be connected to the power supply for the boat. These diagrams show the
network connections; however, they do not show the power connections. Wire each device according to the appropriate installation instructions.
Note: These diagrams show the Garmin Marine Network connections; however, they do not show NMEA 2000 or NMEA 0183 connections.