Perle Systems STS User Manual
IOLAN SDS/SCS/STS User’s Guide, Version 3.6
351
Pinouts and Cabling
Diagrams
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.
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