Home Automation Domotica Forum Europe, Bwired Forum

Check if you set up the RS232-USB link correctly: 9600 baud, 8bit, no parity.

You wrote that you use putty to connect to the serial port. I think that putty (as a telnet/ssh client) will send something on the serial port, to which the gateway responds with SE. Try using cat (on linux) or some other program that just listens on the port instead of sending.

I am trying to do a similar thing with the OTgateway, leaving out the MAX232, but interfacing the TTL directly to the UART of my raspberry PI. Because it seems a bit stupid to use 2 MAX232's to have them talk to each other. However, so far no luck... I've checked with an FTDI USB cable that the OTga...