Specifications

Chapter 2 Installation 37
Digital I/O Connector (CN29)
MB-662 offers digital I/O functions connector for easy access and
link with digital devices. (Input 4031: GPI15 [bit7]; Input 4032:
GPI17 [bit1], GPI18 [bit2], GPI19 [bit3]; Output 4036: GPO17 [bit1],
GPO 18 [bit2], GPO19 [bit3], GPO20 [bit4] ) The pin definitions are
illustrated below:
Pin Signal Pin Signal
1 DIO_IN1 2 DIO_IN2
3 DIO_IN3 4 DIO_IN4
5 DIO_OUT1 6 DIO_OUT2
7 DIO_OUT3 8 DIO_OUT4
9 Vcc 10 GN D
Serial Port COM1 (CN32), COM3 (CN30)
and COM4 (CN31) Connectors
The availability of this interface allows connection of serial devices
such as mouse, printer, etc.. Pin definitions as follows:
COM3 RS-232 (CN30)
Pin Signal Pin Signal
1 NRLSD2 6 NCTS2
2 NDSR2 7 NDTR2
3 NRXD2 8 NRI2
4 NRTS2 9 GND
5 NTXD2 10 GND