Installation Notes
Version 3.0
215
Installation Manual
The external alarm is derived from the “EXT alarm” port on AUX (8-pin)
cable, pin 3 (Blu) and pin 4 (Prpl). The software is setup in each of the
appropriate
CFG1
(Alarms) menu. The relay coil supply voltage must
be connected to an independent battery backed-up alarm supply. Make
sure the relay coil voltage is compatible with the voltage rating of the
alarm power supply (i.e. NTE Electronics Relay - P/N R14-11D10-12 for
use in a 12 VDC supply). The negative ground of the alarm power sup-
ply must be connected to Pin 3 (Blu) of the AUX (8-pin) cable (refer to
the relay diagram below).
Coi
l
C
N.O.
N.C.
Continuous-Duty
SPDT Relay
(12 VDC < 75 mA)
MX 500
To a Battery Back-Up
Alarm Power Supply
-
+
AUX (8-pin) Cable
Pin 3 (Blue)
AUX (8-pin) Cable
Pin 4 (Purple)
NMEA Interface
The MX500 meets the NMEA 0183 version 2.3 electrical standard for
marine interface communications with other marine equipment, such
as:
Radars, Plotters, Autopilots, Fish Finders, etc.
There are differences in the electrical interface specification between
NMEA 0183 version 1.5 (introduced in 1987) and NMEA 0183 version
2.0 and later (introduced in 1994). Some older model equipment utilize
RS-232, others use RS-422, and others meet the older version 1.5 speci-
fication. In an effort to simplify your interface capabilities, you should
take the time to determine which electrical interface specification all of
the interfaced equipment meets.
Summary of Contents for MX500
Page 1: ...oOperator s Installation Manual MX500 Navigation System ...
Page 14: ...Version 3 0 ix Table of Contents Operator s Manual ...
Page 165: ...Version 3 0 151 Configuration Operator s Manual ...
Page 167: ...Version 3 0 153 Datum List Operator s Manual ...
Page 195: ...List of Components Installation Manual Version 3 0 181 APPENDIX F INSTALLATION SECTION ...
Page 196: ...Installation Manual List of Components 182 Version 3 0 SECTION 1 LIST OF COMPONENTS ...
Page 219: ...Installation Notes Version 3 0 205 Installation Manual SECTION 5 INSTALLATION NOTES ...
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