Connecting the power/data cable – Garmin GPSMAP 182C User Manual

Page 104

GPSMAP 182/182C Owner’s Manual

PPENDIX

ONNECTING

THE

OWER

ATA

ABLE

Connecting the Power/Data Cable

The power/data cable connects the GPSMAP 182/182C to a DC system and provides interface capabilities for connecting external devices.

The color code in the diagram below indicates the appropriate harness connections. Replacement fuse is a AGC/3AG - 2.0 Amp fuse. For

wiring the GPSMAP 182/182C to a GSD 20 Sonar Module, refer to the GSD 20 Installation Guide.

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PIN 2 (black) Ground (Power and Data)
PIN 3 (blue) NMEA OUT (Com 1 TX)
PIN 4 (brown) NMEA IN (Com 1 RX)
PIN 5 (white) RTCM/NMEA IN (Com 2 RX)
PIN 6 (green) NMEA OUT (Com 2 TX)
PIN 7 (yellow) Alarm Low

PIN 1 (red) Power

PIN 2 (black) Ground (Power and Data)

PIN 3 (blue) NMEA OUT (Com 1 TX)

PIN 4 (brown) NMEA IN (Com 1 RX)

PIN 5 (white) RTCM/NMEA IN (Com 2 RX)

PIN 6 (green) NMEA OUT (Com 2 TX)

PIN 7 (yellow) Alarm Low

NMEA

Device with

Sonar Output

TXD +

Alarm Relay
100ma max

coil current

GSD 20,

Beacon

Receiver or

DSC VHF

Autopilot/

NMEA Device

Power Source

RXD +

RXD -

RX+

TX+

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100 ma

Max Coil Current

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