1.3. Interface Definition
The NxtG-V has a 16 PIN interface connector which contains the connections for power,
I/O, RS232, microphone, speaker, etc. The sequence and definition of the 16PIN connector
are shown in the following figure:
The 16PIN Connector on the NxtG-V
Descriptionof16PIN Connections
Index Description Comment
1 N/C N/C
2 AGND Analog ground
3 IGN Ignition input, positive trigger
4 RXD UART RXD, RS232
5 TXD UART TXD, RS232
6 GND Power and digital ground
7 OUT3 Open drain, 150 mA max
8 OUT2 Open drain, 150 mA max
9 N/C N/C
10 N/C
11 PWR External DC power input, 8-32V
12 IN2 Digital input, negative trigger
13 IN1 Digital input, negative trigger
14 OUT1 Open drain, 150 mA max ,with latch circuit
15 AD1/IN3 Multifunction input, analog or digital input
0-16V
16 AD2 Analog input 0.3-16V
