Thanks but it has nothing to do with serial connection. There is back and forth communication. Just not the right message to start the posting process from Micros.
Charges are not posting. Getting a "Charge Denied" message. Looking at the messages, Micros is sending the post request without a prior post inquiry or request folio information. Our software is expecting a post inquiry/request folio information (msg 37), to which we return guest info and...
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