Garmin GPS 18 010-00321-56 User Manual
Product codes
010-00321-56
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.
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
purposes. You can remove this connector without voiding your warranty (see Section
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