Pinouts and cabling diagrams, Serial pinouts, Db25 male – Perle Systems IOLAN SCS User Manual
Page 351: Appendix d pinouts and cabling diagrams
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IOLAN SDS/SCS/STS User’s Guide, Version 3.6
351
Pinouts and Cabling
Diagrams
Appendix D
D
Serial Pinouts
DB25 Male
This section defines the pinouts for the DB25 male connection used on the 1-port IOLAN. The power
out pin, Pin 9, is available in the SDS model only.
The following table provides pinout information:
Pinout
EIA-232
EIA-422
EIA-485
Full Duplex
EIA-485
Half Duplex
1
Shield
Shield
Shield
Shield
2 (out)
TxD
3 (in)
RxD
4 (out)
RTS
5 (in)
CTS
6 (in)
DSR
7
GND
GND
GND
GND
8 (in)
DCD
9
Power out
Power out
Power out
Power out
12
Power in
Power in
Power in
Power in
13
CTS-
14
TxD+
TxD+
DATA+
15
TxD-
TxD-
DATA-
Pin 13
Pin 25
Pin 14
Pin 1
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