Pinout

Data Port

Pin	Signal	Volt
1(red)	NC	--
2(black)	RX	+3.3V
3(black)	TX	+3.3V
4(black)	CTS	+3.3V
5(black)	RTS	+3.3V
6(black)	GND	GND

Diagnostic Port

Pin	Signal	Volt
1	NC	--
2(black)	RX	+3.3V
3(black)	TX	+3.3V
4(black)	GND	GND

Power Port

Pin	Signal	Volt
1(red)	BAT+	7-35V
2(red)	BAT+	7-35V
3(black)	BAT-	GND
4(black)	BAT-	GND