Garmin GSD 21 CANet Wiring for the Garmin GSD, CANet Terminator Connection, Multiple CANet Unit Connection

GSD

CANet Wiring for the Garmin GSD 21

Module Sonar 21

CANet

Terminator See the CANet Terminator

Connection Diagram Below

GREEN

WHITE

ORANGE

BLACK

DRAIN

	3 wire connector
	3 wire connector
Green	Green
White	White

Green White

CANet Terminator

CANet Terminator Connection

Notes:

CANet

Terminator GARMIN GSD 21

SOUNDER MODULE

GREEN

�

	CANet	WHITE
	Extension Cable	WHITE
	Extension Cable

ORANGE	TO
	TO
BLACK	TRANSDUCER

BLACK

RED

FUSE

BATTERY

10-35 VOLTS DC

CANet	CANet	CANet
Unit	Unit	Unit

	The CANet Extension Cable can be cut to any length
CANet	1 ft to 80 ft and a CANet compatible device can be	CANet
	inserted on the cable at any point between the two CANet
	Terminators.

Multiple CANet Unit Connection

1.Power and ground wires require 18 AWG. You can extend the CANet wiring of the GSD 21 power/data cable up to 80 ft (24.38 m) total length using the CANet Connections Kit.

2.The CANet Extension Cable can support a maximum of two display units and one sonar unit.

3.The maximum length of cable from the CANet Extension Cable to the sonar or display units is 6 ft.

4.Refer to the chartplotter’s installation instructions for wiring the GPS 17 sensor and other devices.

5.Ground the drain wire at the ﬁrst display unit. Do not ground the drain wire on the subsequent display units or sonar unit.

6.The CANet Extension Cable Black wire is reserved for future use. When inserting a CANet unit on the CANet Extension Cable, reconnect all wires according to their color.

7.When crimping the 3-wire connector, use a standard pair of pliers and make sure the button is fully depressed into the connector.

NSTRUCTIONSI NSTALLATIONI