17
Device Side Pin Assignments
RS232 Port DB9 Male Connector-1/2/3/4
DB9 Male
Connector-1
DB9 Male
Connector-2
DB9 Male
Connector-3
DB9 Male
Connector-4
Pin
Description
Pin
Description
Pin
Description
Pin
Description
1
DCD_1
1
DCD_2
1
DCD_3
1
DCD_4
2
RxD_1
2
RxD_2
2
RxD_3
2
RxD_4
3
TxD_1
3
TxD_2
3
TxD_3
3
TxD_4
4
DTR_1
4
DTR_2
4
DTR_3
4
DTR_4
5
GND
5
GND
5
GND
5
GND
6
DSR_1
6
DSR_2
6
DSR_3
6
DSR_4
7
RTS_1
7
RTS_2
7
RTS_3
7
RTS_4
8
CTS_1
8
CTS_2
8
CTS_3
8
CTS_4
9
RI_1
9
RI_2
9
RI_3
9
RI_4