Garmin 190-00307-00 Automobile Accessories User Manual


 
GPS 18 Technical Specifications (190-00307-00) Rev. D
Page 8
2 GPS 18 LVC & GPS 18-5Hz WIRING AND PINOUTS
The GPS 18 LVC/18-5Hz 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 18 LVC/18-5Hz 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 18 LVC & GPS 18-5Hz PINOUT
GPS 18 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 18 LVC & GPS 18-5Hz Wire Pinout
2.2 GPS 18 LVC & GPS 18-5Hz WIRING DIAGRAMS
Figure 1: Computer Serial Port Interconnection