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

Power Port

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