Garmin GPS 120XL Owner's Manual

Also see for GPS 120XL: Quick reference guide Quick reference guide

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Garmin GPS 120XL Owner's Manual Manual pdf 62 page image

NMEA 0180, NMEA 0182,NMEA 0183 version 1.5:Approved sentences:GPBWC, GPGLL, GPRMB, GPRMC, GPXTE,GPVTG, GPWPLProprietary sentences:PGRMM (map datum), PGRMZ(altitude), PSLIB (beacon rec. control)NMEA 0183 version 2.0:Approved sentences:GPGGA, GPGLL, GPGSA, GPGSV,GPRMB, GPRMC, GPRTE, GPWPLProprietary sentences:PGRME (estimated error), PGRMM (mapdatum), PGRMZ (altitude), PSLIB (beaconreceiver control)Wiring &SpecificationsAPPENDIX B58Connecting the power/data cableThe power/data cable connects the GPS 120XL sys-tem to a 10-40 volt DC power source and provides inter-face capabilities for connecting NMEA devices and anexternal alarm The diagram below indicates the appropri-ate harness connections.To connect the GPS 120XL to a power source:1. Connect the RED harness lead to the positive side of a 10-40 volt DC power source. Make surethe power lead has an in-line 1-amp fuse installed.2. Connect the BLACK harness lead to a ground strip or the negative side of a10-40 volt DC power source.To connect an external alarm, connect the ground side of the alarm device to theYELLOW harness lead. (100 mA DC load max.) The following interface formats are sup-ported by the GPS 120XL for driving three NMEA devices:PIN 1 (red): 10-40 volts DCPIN 2 (black): GroundPIN 3 (blue): NMEA outPIN 4 (brown): NMEA inPIN 5 (white): No connectionPIN 6 (green): No connectionPIN 7 (yellow): alarm low123 4567Pin assignment(-) (+)10-40 volts DCAutopilot/NMEA DeviceGBR 21BeaconReceiverAlarm/Relay(-)Shield GroundedThrough GPS(+)