Connecting To A Personal Computer - AUTOHELM NMEA BRIDGE User Manual

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The Main Alarm should be wired to the NMEA Bridge as follows:
3.4 Connecting a Personal Computer
The NMEA Bridge can be used to send or receive NMEA data to
or from a personal computer via the "RS232 OUT and NMEA
NMEA Bridge Operation and Installation Handbook
Black
Red
Main Alarm
Z035
Yellow (Data)
Screen (0v)
Red (v+)
Red
Screen
(v+)
(0v)
5A
+
-
Power