I want to thank all the members that have upgraded your accounts. I truly appreciate your support of the site monetarily. Supporting the site keeps this site up and running as a lot of work daily goes on behind the scenes.
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I also have a similar sign ... comes up in demo mode saying ExcelBrite, but otherwise no label or model number on it, appears to be a Sunnywell product, and has RJ11 telephone jack on the back. I found cable diagram and information that says 9600 baud, but no idea of serial protocol or software...
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