TCP binding: How to catch response

Add-ons Bindings
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3

Thank you. I have a working solution now. It uses three item definitions:

String Projector_RS232    "Projector RS232 [%s]" { tcp="<[myIP:23:'REGEX(([INFOK0-9]+))']" } //catch any response from projector
String Projector_RS232out "Projector RS232out [%s]" { tcp=">[myIP:23:default]" } //send data to Projector
String Projector_RS232tmp "Projector tmp [%s]"  // remember last send command

and theses rules:

rule "rProjectorCommunication"
when 
  Item Projector_RS232 changed
then
  if (Projector_RS232.state.toString.contains ("INFO")) {
    switch E_Wo_Beam_RS232.state.toString {
        case "INFO0": { Projector_Status.postUpdate("Standby") }
        case "INFO1": { Projector_Status.postUpdate("Warming") }
        // ... repeat for all other INFO codes
    }
    Projector_RS232tmp.sendCommand("")
  }
  if (Projector_RS232.state.toString.contains ("OK")) {
    switch Projector_RS232tmp.state.toString {
      case "~01124 1": { // repeat the case part for all other commands that will be send 
        if (Projector_RS232.state.toString == "OK1") { logInfo("Projector.rules", " Projector is ON ") }
        if (Projector_RS232.state.toString == "OK0") { logInfo("Projector.rules", " Projector is Standby") }
      }
    }
  }
  if (Projector_RS232.state.toString.contains ("~")) {
    logInfo("Projector.rules", "RS232 Command to Projector: "+E_Wo_Beam_RS232.state)
    Projector_RS232out.sendCommand(Projector_RS232.state.toString)
    Projector_RS232tmp.postUpdate(Projector_RS232.state.toString)
  }
end

And from anywhere needed, I send the necessary command with e.g.:

Projector_RS232.postUpdate("~01124 1")

This is maybe not the most elegant way to do it. So I am happy for any advice to improve the code.
The other problem with the TCP binding is the spamming of the log (see here