Garmin GPSMAP 135 Sounder - Manual (Page 96)

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The following formats are supported for connection to up to 3 NMEA devices:
• NMEA 0180/NMEA 0182
• NMEA 0183 version 1.5
Approved sentences— GPBWC, GPGLL, GPRMB, GPRMC, GPXTE, GPVTG, GPWPL, GPBOD
Proprietary sentences— PGRMM, PGRMZ (alt.), PSLIB (beacon receiver control
input)
• NMEA 0183 version 2.0
Approved sentences— GPGGA, GPGLL, GPGSA, GPGSV, GPRMB, GPRMC, GPRTE, GPWPL,
GPBOD
Proprietary sentences— PGRME (estimated error), PGRMM (map datum)
PGRMZ (altitude), PSLIB (beacon rec. control input)
SECTION
B
APPENDIX
Wiring and
Specifications
PIN 1 (red): 10-40 volts DC
PIN 2 (black): Ground
PIN 3 (blue): NMEA out
PIN 4 (brown): NMEA in
PIN 5 (white): No connection
PIN 6 (green): No connection
PIN 7 (yellow): alarm low
1
2
3
4
5
6
7
Pin assignment
(CABLE VIEW)
(-) (+)
10-40 volts DC
Autopilot/
NMEA Device
GBR 21
Beacon
Receiver
Alarm/
Relay
(-)
Shield Grounded
Through GPS
(+)
Connecting the Power/Data Cable
The power/data cable connects the GPSMAP 135 Sounder to a 10-40 volt DC
system and provides interface capabilities for connecting external devices, includ-
ing an external alarm. The color code in the diagram below indicates the appro-
priate harness connections.
GPS 135 Rev C 8/4/98 4:20 PM Page 86