25
www.gigaipc.com
2.8
Cable Pin-define
1. DB9 COM (25CF8-180620-S9R)
2. DBP DIO (25CR5-100701-S9R)
DB9 Pin
RS-232
RS-422
Full Duplex
RS-485
Half Duplex
1
DCD
TXD-
D-
2
RXD
TXD+
D+
3
TXD
RXD+
-
4
DTR
RXD-
-
5
GND
6
DSR
-
-
7
RTS
-
-
8
CTS
-
-
9
RI
-
-
DBP DIO Pin
Pin Name
1
GPIO-output_1
2
GPIO-input_1
3
GPIO-output_2
4
GPIO-input_2
5
GPIO-output_3
6
GPIO-input_3
7
GPIO-output_4
8
GPIO-input_4
9
GND
10
5V
1
10
