Digi IX40 User Manual page 34

About the Digi IX40
IX40 RS-232 pinout
DB9 pin
1
2
3
4
5
6
7
8
9
IX40 RS-422 pinout
DB9 pin
1
2
3
4
5
6
7
8
9
IX40 RS-485 pinout
DB9 pin Pin direction
1
2 Input/Output
3 Input/Output
4
5 Ground
IX40 User Guide
Pin direction
Input
Input
Output
Output
Ground
Input
Output
Input
Input
Pin direction
Input
Input
Output
Output
Ground
Input
Output
Input
Output
RS-485 function
High (internally connected to pin 3)
High (internally connected to pin 2)
Digi IX40 external hardware
RS-232 function
DCD
RxD
TxD
DTR
DSR
RTS
CTS
RI
RS-422 function
CTS-
RXD+
TXD+
RTS-
RXD-
RTS+
CTS+
TXD-
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