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2 GPSX 18x LVC & GPS 18x -5Hz WIRING AND PINOUTS
The GPS 18x LVC/18x-5Hz interfaces to a serial port. The unit accepts TIA-232-F (RS-232) level inputs and
transmits voltage levels from ground to the input voltage, TIA-232-F (RS-232) polarity.
The GPS 18x LVC/18x-5Hz wires are terminated with a six-wire connector that is used by Garmin for testing
purposes. You can remove this connector without voiding your warranty (see
section 1.2 Limited Warranty).
2.1 GPS 18x LVC & GPS 18x -5Hz PINOUT
GPS 18x Pin
#
Color Signal Name Wire Gauge
1 Yellow Measurement Pulse Output 28
2 Red Vin 26
3 Black Ground 28
4 White Transmit Data 28
5 Black Ground 26
6 Green Receive Data 28
Table 1: GPS 18x LVC & GPS 18x-5Hz Wire Pinout
2.2 GPS 18x LVC & GPS 18x -5Hz WIRING DIAGRAMS
Figure 1: Computer Serial Port Interconnection
190-00879-08 GPS 18x Technical Specifications Rev. B
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