Pinouts and Cabling Diagrams 425
Serial Pinouts
DB9 Male I/O
This section defines the pinouts for the DB9 male connection used on the 1-port IOLAN I/O models.
The following table provides pinout information:
DB9 Male W/G
This section defines the pinouts for the DB9 male connection used on the 1-2 port IOLAN W and G
models.
The following table provides pinout information:
Pinout
9-pin
EIA-232
EIA-422/485
Full Duplex
EIA-485
Half Duplex
1(in)
DCD
2 (in)
RxD
RxD+
3 (out)
TxD
TxD-
TxD-/RxD-
4 (out)
DTR
5
GND
GND
GND
6 (in)
DSR
RxD-
7
RTS
TxD+
TxD+/RxD+
8 (in)
CTS
RxD-
9
Pinout
9-pin
EIA-232
EIA-422/485
Full Duplex
EIA-485
Half Duplex
1(in)
DCD
2 (in)
RxD
RxD+
3 (out)
TxD
TxD-
TxD-/RxD-
4 (out)
DTR
5
GND
GND
GND
6 (in)
DSR
7
RTS
TxD+
TxD+/RxD+
8 (in)
CTS
RxD-
9