Serial Pinouts
354 IOLAN SDS/SCS/STS User’s Guide, Version 3.6

RJ45 SCS48C/SCS32C/SCS16C/SCS8C

This section defines the pinouts for the RJ45 connection for the SCS48C/SCS32C/SCS16C/SCS8C
models only. The Admin port and the serial ports have different pinouts as shown in the table.
The following table provides pinout information:

DB9 Male (Serial Only)

This section defines the pinouts for the DB9 male connection used on the 1-port IOLAN that is serial
only (not I/O).
The following table provides pinout information:
Pinout
8-pin EIA-232
Admin Port EIA-232
Serial Ports
1DCD (in) RTS (out)
2RTS (out) DTR (out)
3DSR (in) TxD (out)
4TxD (out) GND
5RxD (in) GND
6GND RxD (in)
7CTS (in) DSR (in)
8DTR (out) CTS (in)
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
5GND GND GND
6 (in) DSR RxD-
7RTS
8 (in) CTS
9TxD- TxD-/RxD-
Pin 8
Pin 1