Page 9
COM 2-3-4 (RS-232 only)
Pin
Definition
Pin
Definition
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
(RS-232)
GPIO Ports (Option)
Pin
Definition
1
SIO_GP1
2
SIO_GP2
3
SIO_GP3
4
SIO_GP4
5
SIO_GP5
6
SIO_GP6
7
SIO_GP7
8
SIO_GP8
9
VCC(12V default / 5V)
Shielding GND
Audio Port
Green connector means
LINE OUT