Serial Pinouts
366 IOLAN SDS/SCS/STS/MDC User’s Guide, Version 4.0

RJ45 (for desktop and rack mount models)

This section defines the pinouts for the RJ45 connection. 1-port, 2-port, and 4-port desktop IOLAN
models have a 10-pin RJ45 connector and all rack mount IOLAN mod e ls have an 8-p in RJ45
connector.
Pin 1 Pin 10
The following table provides pinout information:
Pinout
10-pin Pinout
8-pin
EIA-232
EIA-422 EIA-485
Full Duplex EIA-485
Half Duplex
1Power In Power In Power In Power In
2 (in) 1DCD
3 (out) 2RTS TxD+ TxD+ DATA+
4 (in) 3DSR
5 (out) 4TxD TxD- TxD- DATA-
6 (in) 5RxD RxD+ RxD+
7 6 GND GND GND GND
8 (in) 7CTS RxD- RxD-
9 (out) 8DTR
10 Power out Power out Power out Power out
The power in pin (Pin 1) can be 9-30V DC. The 2-port IOLAN has power in on Port 2 only. The 4-
port IOLAN has power in on Port 4 only.