Garmin eTrex Summit Owner's Manual - Page 64

Appendix F, Wiring, Diagram - data cable

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Appendicies Appendices Appendix F Wiring Diagram Interface formats are selected from the SETUP Page. The input/output lines on your eTrex Summit are RS-232 compatible, allowing easy interface to a wide range of external devices, including PC's, differential beacon receivers, marine autopilots and/or a second GPS receiver. The NMEA 0183 version 2.0 interface format is supported by the eTrex Summit and enables the unit to drive up to three NMEA devices. NMEA 0183 Version 3.0 Approved Sentences: GPGGA, GPGLL, GPGSA, GPGSV, GPRMB, GPRMC, GPRTE, GPWPL, GPBOD, HCHDG GARMIN Proprietary Sentences: PGRME (estimated error), PGRMM (map datum), PGRMZ (altitude), PSLIB (beacon receiver control) DGPS (Differential GPS) corrections are accepted in RTCM SC-104 version 2.0 format through the 'Data In' line. The GARMIN GBR 21 is the recommended beacon receiver for use with the eTrex Summit. Other beacon receivers with the correct RTCM format may be used, but may not correctly display status or allow tuning control from the GPS unit. The eTrex Summit may be hard-wired to a serial connector using the Data Cable (see page 61 for ordering information). Refer to the wiring diagram and the eTrex Summit unit data connection illustrated below. The optional PC Interface Cable (010-10206-00) eTrex Summit Connector Data In Data Out Ground Power (+) Data In Data Out Ground (-) Green White Black Data Cable 62

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62
Appendicies
Interface formats are selected from the SETUP Page.
The input/output lines on your eTrex Summit are RS-232
compatible, allowing easy interface to a wide range
of external devices, including PC’s, differential beacon
receivers, marine autopilots and/or a second GPS receiver.
The NMEA 0183 version 2.0 interface format is sup-
ported by the eTrex Summit and enables the unit to drive
up to three NMEA devices.
NMEA 0183 Version 3.0 Approved Sentences:
GPGGA, GPGLL, GPGSA, GPGSV, GPRMB,
GPRMC, GPRTE,
GPWPL, GPBOD, HCHDG
GARMIN Proprietary Sentences:
PGRME (estimated error), PGRMM (map datum),
PGRMZ (altitude), PSLIB (beacon receiver control)
DGPS (Differential GPS) corrections are accepted in
RTCM SC-104 version 2.0 format through the ‘Data In’
line. The GARMIN GBR 21 is the recommended beacon
receiver for use with the eTrex Summit. Other beacon
receivers with the correct RTCM format may be used, but
may not correctly display status or allow tuning control
from the GPS unit.
The eTrex Summit may be hard-wired to a serial con-
nector using the Data Cable (see page 61 for ordering
information). Refer to the wiring diagram and the eTrex
Summit unit data connection illustrated below.
The optional PC Interface Cable (010-10206-00)
Appendices
eTrex Summit Connector
Data
Cable
Ground (-)
Data Out
Data In
Power (+)
Data Out
Data In
White
Green
Black
Appendix F
Wiring
Diagram
Ground