Ochno O-RS232-200-1 can be used for connection to external control systems.
Serial settings:
Speed: 9600
Data/Stop/Parity: 8/1/None
Flow: XON/XOFF
TX = Data sent from O-PC-3. Connect to RX on the other endpoint.
RX = Data sent to O-PC-3. Connect to TX on the other endpoint.
To test TX from O-PC-3, click console button (on the back of O-PC-3) and event should be sent.
To trigger a switch to port 1, send text (ASCII):
CMD_ACTIVATE_PORT 1