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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 EIA-485 mode. 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 information for the seial ports:
Pin#
EIA-232
EIA-422
EIA-485
Full Duplex
EIA-485
Half Duplex
1 RTS (out) TxD+ TxD+ DATA+
2 DTR(out)
3 TxD (out) TxD- TxD- DATA-
4 GND GND GND GND
5 GND GND GND GND
6 RxD (in) RxD+ RxD+
7 DSR (in)
8 CTS (in) RxD- RxD-
The following table provides pinout information for the console port
Pinout
8-pin
EIA-232
Admin Port
1 DCD (in)
2 RTS (out)
3 DSR (in)
4 TxD (out)
5 RxD (in)
6 GND
7 CTS (in)
8 DTR (out)