Getting response from serial device

I'm wracking my head on this. I am writing an application in swift to control my whole home audio solution. I have it working great so far, I can toggle power, volume and source, but when i run the commands to get the current status, nothing is returned. If I run the command using iTest, I can see the response, and it's just what i need, but when using the HTTP API, it doesn't show that response.


am i doing something wrong or are the rs232 replies not passed back via HTTP?

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