A serial/Ethernet-controlled 8 outlet remote power controller. Using the serial port or telnet(1), you can turn each electrical outlet on and off.
Initial configuration has to happen using the controller’s serial port, so you'll need a cable like the one described here to set it up. Required connections for a Baytech RPC-3 RJ45 to DB9 NullModem? serial cable:
| RJ45 pin | DB9 pin | Role |
| 4 | 2 | (RPC-3 TX → PC RX) |
| 5 | 3 | (RPC-3 RX → PC TX) |
| 3 | 8 | (RPC-3 RTS → PC CTS) |
| 1 | 6 | (RPC-3 DTR → PC DSR) |
| 2 | 5 | (GND → GND) |
| 8 | 1 | (RPC-3 carrier detect → carrier present) |
Pins 6 and 7 on the RJ45 side can remain disconnected, along with pins 4, 7 and 9 on the DB9 side.
Tested and working on an RPC-3 using a USB-to-serial adapter.
Based on:
No page links to BaytechRPC3.
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http://www.loop-back.com/rs232_std.html
http://www.arduino.cc/en/uploads/Tutorial/DB9-pinout.gif