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

RJ45 (for SDS32C/SDS16C/SDS8C Electric Utility models)

This section defines the pinouts for the RJ45 connection for the Electric Utility models. The serial
ports can be set to operate in EIA-232, EIA-422 or EI A-485 m ode. The table provides the pinout for
each of the modes of operation. The console port is an EIA-232 dedicated port. It’s pinout is detailed
in a separte table below.
Pin 1 Pin 8
The following table provides pinout info rmation for the seial ports:
Pin#
EIA-232
EIA-422 EIA-485
Full Duplex EIA-485
Half Duplex
1RTS (out) TxD+ TxD+ DATA+
2DTR(out)
3TxD (out) TxD- TxD- DATA-
4GND GND GND GND
5GND GND GND GND
6RxD (in) RxD+ RxD+
7DSR (in)
8CTS (in) RxD- RxD-
The following table provides pinout information for the console port
Pinout
8-pin EIA-232
Admin Port
1DCD (in)
2RTS (out)
3DSR (in)
4TxD (out)
5RxD (in)
6GND
7CTS (in)
8DTR (out)