The optional GPS 45 Power/Data Cable allows you to connect
to on-board 5-40 volts DC power and connect to external electronic devices.
To connect the power/data cable:
1. Connect the red harness lead to the positive side of a 5-40 volt DC power source.
2. Connect the black harness lead to the negative side of the power source.
3. Connect the white harness lead to the output port of a connected device.
4. Connect the brown harness lead to the input port of a connected device.
The following interface formats are supported by the GPS 45 for driving three
NMEA devices:
NMEA 0180
NMEA 0182
NMEA 0183 version 1.5
Approved sentences:
GPBWC, GPGLL, GPRMB, GPRMC, GPXTE, GPVTG, GPWPL
Proprietary sentences:
PGRMM (map datum), PGRMZ (altitude), PSLIB (beacon rec. control)
NMEA 0183 version 2.0
Approved sentences:
GPGGA, GPGLL, GPGSA, GPGSV, GPRMB, GPRMC, GPRTE, GPWPL
Proprietary sentences:
PGRME (estimated error), PGRMM (map datum), PGRMZ (altitude),
PSLIB (beacon receiver control)
Complete information concerning NMEA formats and sentences is available from
the NMEA at P. O. Box 50040, Mobile, AL 36605; 205-473-1793, 205-473-1669 FAX.
Cost of the NMEA materials is $35 U. S. dollars, plus shipping and handling.
DGPS corrections are accepted on RTCM-104 v. 2.0 format. The GARMIN GBR 21 is
the recommended beacon receiver for use with the GPS 45. Other receivers with the
correct RTCM format may be used, but may not correctly display status or allow tuning
control from the GPS 45.
55
Appendix F
Electrical
Wiring &
Interfaces
(CABLE VIEW)
45 manual Rev. B 8/4/98 11:11 AM Page 55