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Appendix, Wiring/specifications – Garmin GPSMAP 130 User Manual

Page 80

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Connecting the Power/Data Cable

The power/data cable connects the GPSMAP 130 to a 10-40 volt DC system

and provides interface capabilities for connecting external devices, including an
external alarm. The color code in the diagram below indicates the appropriate
harness connections.

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)

DGPS corrections are accepted in RTCM-104 v. 2.0

format through the NMEA In (BROWN) harness lead.
The GARMIN GBR 21 is the recommended beacon
receiver for use with the GPSMAP system.Other
receivers with the correct RTCM format may be used,
but may not correctly display status or allow tuning
control from the GPSMAP unit.

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GARMIN

GBR 21

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

(+)

(+)

(-)

(-)

(+)

SECTION

B

APPENDIX

Wiring/Specifications

gps 130 7/23/98 9:23 AM Page 70