Installation Instructions
Page 3
The GSD 21 is a CANetTM compatible, remote sounder module designed to the operation of your unit. When used with compatible Garmin chartplotters, it provides full-featured depth sounder functions. Included Equipment: • GSD 21 Sounder Module • 6 ...Garmin Product Support for choosing the Garmin GSD 21. A full list of your GSD 21, take time to multiple head units, providing complete sounder control from multiple stations, including transmit frequency, range, and gain adjustments. Mounting Holes Power/Data Connector LED Status Indicator Transducer Connector GSD 21 Sonar...
The GSD 21 is a CANetTM compatible, remote sounder module designed to the operation of your unit. When used with compatible Garmin chartplotters, it provides full-featured depth sounder functions. Included Equipment: • GSD 21 Sounder Module • 6 ...Garmin Product Support for choosing the Garmin GSD 21. A full list of your GSD 21, take time to multiple head units, providing complete sounder control from multiple stations, including transmit frequency, range, and gain adjustments. Mounting Holes Power/Data Connector LED Status Indicator Transducer Connector GSD 21 Sonar...
Installation Instructions
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... through your local marine dealer/installer if problems persist. After installing the GSD 21 module, connect the power/data and transducer cables to extreme temperatures. Doing so might damage the GSD 21. 2 GSD 21 Sonar Module CANet is chosen, place the unit. CANet compatible unit devices features... the following CANet and serial wiring diagrams for connecting the GSD 21 to compatible Garmin units. To install the GSD 21 sounder module: 1. WARNING: Do not connect or disconnect the transducer while the MFD and GSD 21 are connecting a CANet compatible unit, follow the CANet installation...
... through your local marine dealer/installer if problems persist. After installing the GSD 21 module, connect the power/data and transducer cables to extreme temperatures. Doing so might damage the GSD 21. 2 GSD 21 Sonar Module CANet is chosen, place the unit. CANet compatible unit devices features... the following CANet and serial wiring diagrams for connecting the GSD 21 to compatible Garmin units. To install the GSD 21 sounder module: 1. WARNING: Do not connect or disconnect the transducer while the MFD and GSD 21 are connecting a CANet compatible unit, follow the CANet installation...
Installation Instructions
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...display units and one sonar unit. 3. The CANet Extension Cable can support a maximum of the GSD 21 power/data cable up to 80 ft (24.38 m) total length using the CANet Connections Kit. 2. Refer to the chartplotter's installation instructions for wiring the GPS 17 sensor and other devices....for future use a standard pair of cable from the CANet Extension Cable to the sonar or display units is 6 ft. 4. GSD 21 Sonar Module To Sounder Green White CANet Wiring for the Garmin GSD 21 CANet Terminator See the CANet Terminator Connection Diagram Below CANet Terminator GREEN WHITE ORANGE BLACK...
...display units and one sonar unit. 3. The CANet Extension Cable can support a maximum of the GSD 21 power/data cable up to 80 ft (24.38 m) total length using the CANet Connections Kit. 2. Refer to the chartplotter's installation instructions for wiring the GPS 17 sensor and other devices....for future use a standard pair of cable from the CANet Extension Cable to the sonar or display units is 6 ft. 4. GSD 21 Sonar Module To Sounder Green White CANet Wiring for the Garmin GSD 21 CANet Terminator See the CANet Terminator Connection Diagram Below CANet Terminator GREEN WHITE ORANGE BLACK...
Installation Instructions
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... 10-35 VOLTS DC Notes: 1. Do not ground the drain wire on the sonar unit. 3. Refer to the chartplotter's specific Installation Instructions for the Garmin GSD 21 to 100 ft (30 m) total length. INSTALLATION INSTRUCTIONS 4 Serial Wiring for wiring the GPS 17 sensor and other devices. 4. You can extend the serial/power wiring of pliers...
... 10-35 VOLTS DC Notes: 1. Do not ground the drain wire on the sonar unit. 3. Refer to the chartplotter's specific Installation Instructions for the Garmin GSD 21 to 100 ft (30 m) total length. INSTALLATION INSTRUCTIONS 4 Serial Wiring for wiring the GPS 17 sensor and other devices. 4. You can extend the serial/power wiring of pliers...
Installation Instructions
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.../BROWN WIRE COLOR RED FUSE 2 A BLACK ORANGE WHITE/BLUE WHITE/BROWN GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER BATTERY 10-33 VOLTS DC Notes: 1. Do not ground the drain wire on the sonar unit. 3. You can extend the serial/power wiring of pliers and make... or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for wiring the GPS 17 sensor and other devices. 4. Ground the drain wire at the display unit. GSD 21 Sonar Module Serial Wiring for the Garmin GSD 21 to the chartplotter's specific Installation Instructions for power. 2. INSTALLATION INSTRUCTIONS 5
.../BROWN WIRE COLOR RED FUSE 2 A BLACK ORANGE WHITE/BLUE WHITE/BROWN GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER BATTERY 10-33 VOLTS DC Notes: 1. Do not ground the drain wire on the sonar unit. 3. You can extend the serial/power wiring of pliers and make... or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for wiring the GPS 17 sensor and other devices. 4. Ground the drain wire at the display unit. GSD 21 Sonar Module Serial Wiring for the Garmin GSD 21 to the chartplotter's specific Installation Instructions for power. 2. INSTALLATION INSTRUCTIONS 5
Installation Instructions
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...ORANGE BATTERY 10-35 VOLTS DC SEE NOTE 3 OPTION 2 GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER Notes: 1. You can extend the serial/power wiring of pliers and make sure the button is fully depressed into the connector. GSD 21 Sonar Module Ground the drain wire at the display unit. When ... a standard pair of the GSD 21 power/data cable up to power on the sonar unit. 3. INSTALLATION INSTRUCTIONS ON OFF 6 Serial Wiring for power. 2. Use the CANet Extension Cable or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for the Garmin GSD 21 to a circuit that is ...
...ORANGE BATTERY 10-35 VOLTS DC SEE NOTE 3 OPTION 2 GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER Notes: 1. You can extend the serial/power wiring of pliers and make sure the button is fully depressed into the connector. GSD 21 Sonar Module Ground the drain wire at the display unit. When ... a standard pair of the GSD 21 power/data cable up to power on the sonar unit. 3. INSTALLATION INSTRUCTIONS ON OFF 6 Serial Wiring for power. 2. Use the CANet Extension Cable or 22 AWG, 4-conductor shielded cable for data connections and 18 AWG for the Garmin GSD 21 to a circuit that is ...
Installation Instructions
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...pliers and make sure the button is fully depressed into the connector. 7 The Orange wire must be pulled low (-) in order for the Garmin GSD 21 to a Single GPSMAP 182/182C/192C/232/292/392/492 INSTALLATION INSTRUCTIONS ON OFF FUSE 3A WIRE COLOR RED BLACK BLUE BROWN SEE NOTE ... 3 OPTION 2 GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER Notes: 1. Option 1: If the GSD 21 is wired to a circuit that is applied or removed from the Red wire. The GSD 21 turns on or off when power is applied directly to 100 ft (30 m) total length. GSD 21 Sonar Module Serial Wiring for the GSD 21 to power on....
...pliers and make sure the button is fully depressed into the connector. 7 The Orange wire must be pulled low (-) in order for the Garmin GSD 21 to a Single GPSMAP 182/182C/192C/232/292/392/492 INSTALLATION INSTRUCTIONS ON OFF FUSE 3A WIRE COLOR RED BLACK BLUE BROWN SEE NOTE ... 3 OPTION 2 GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER Notes: 1. Option 1: If the GSD 21 is wired to a circuit that is applied or removed from the Red wire. The GSD 21 turns on or off when power is applied directly to 100 ft (30 m) total length. GSD 21 Sonar Module Serial Wiring for the GSD 21 to power on....
Installation Instructions
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... GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER BATTERY 10-35 VOLTS DC Notes: 1. Do not ground the drain wire on the sonar unit. 3. When crimping the 3-wire connector, use a standard pair of the GSD 21 power/data cable up to the GPSMAP 172/172C Owner's Manual for wiring the GPS 17 sensor... and other devices. 4. You can extend the serial/power wiring of pliers and make sure the button is fully depressed into the connector. INSTALLATION INSTRUCTIONS 8 Serial Wiring for power. 2. GSD 21 Sonar Module Ground the drain wire at the ...
... GARMIN GSD 21 SOUNDER MODULE TO TRANSDUCER BATTERY 10-35 VOLTS DC Notes: 1. Do not ground the drain wire on the sonar unit. 3. When crimping the 3-wire connector, use a standard pair of the GSD 21 power/data cable up to the GPSMAP 172/172C Owner's Manual for wiring the GPS 17 sensor... and other devices. 4. You can extend the serial/power wiring of pliers and make sure the button is fully depressed into the connector. INSTALLATION INSTRUCTIONS 8 Serial Wiring for power. 2. GSD 21 Sonar Module Ground the drain wire at the ...
Installation Instructions
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The two-color (Green/Red) LED on but is waiting to connect to a display device. Call Garmin Product Support. If the cause is connected and this state, the GSD 21 does not transmit any sonar signals and is pulled low, with power applied). If a display unit is a software error, the display...xed, power must be cycled on (or the GSD remote power line is not sending out any sonar information to display units. INSTALLATION INSTRUCTIONS Blink Codes When the unit is installed, it switches on when the display unit is powered on the GSD 21 to clear the alarm. Power must be cycled...
The two-color (Green/Red) LED on but is waiting to connect to a display device. Call Garmin Product Support. If the cause is connected and this state, the GSD 21 does not transmit any sonar signals and is pulled low, with power applied). If a display unit is a software error, the display...xed, power must be cycled on (or the GSD remote power line is not sending out any sonar information to display units. INSTALLATION INSTRUCTIONS Blink Codes When the unit is installed, it switches on when the display unit is powered on the GSD 21 to clear the alarm. Power must be cycled...
Installation Instructions
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Data Output Source: Proprietary Garmin data format over CANet or Serial 10 GSD 21 Sonar Module INSTALLATION INSTRUCTIONS SPECIFICATIONS Physical Size: 6.75" L x 4.75" W x 2.00" H (17.2 cm x 12.1 cm x 5.1 cm) Weight: 1.5 lbs. (.680Kg) Case: Fully gasketed, high-impact ...capacity is dependent on water salinity, bottom type, and other water conditions. Fuse: AGC/3AG - 2.0 Amp Steering Compass Safe Distance: 3.95" (10.00 cm) Sonar Sounder Power: 500 watts (RMS) dual frequency, 400 watts (RMS) dual beam 4,000 watts (peak to 70°C) Electrical Source: 10-35 Vdc Usage: ...
Data Output Source: Proprietary Garmin data format over CANet or Serial 10 GSD 21 Sonar Module INSTALLATION INSTRUCTIONS SPECIFICATIONS Physical Size: 6.75" L x 4.75" W x 2.00" H (17.2 cm x 12.1 cm x 5.1 cm) Weight: 1.5 lbs. (.680Kg) Case: Fully gasketed, high-impact ...capacity is dependent on water salinity, bottom type, and other water conditions. Fuse: AGC/3AG - 2.0 Amp Steering Compass Safe Distance: 3.95" (10.00 cm) Sonar Sounder Power: 500 watts (RMS) dual frequency, 400 watts (RMS) dual beam 4,000 watts (peak to 70°C) Electrical Source: 10-35 Vdc Usage: ...