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Old February 7th, 2011   #2
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Join Date: Aug 2008
Posts: 366

Originally Posted by swisson View Post
But based on the binding UID it knows which is the primary port, and will communicate only though this port?
I don't think this is true. The RDM controller can communicate with *any* of the ports, not just the primary port. In fact, for a PID like DMX_START_ADDRESS, you must be able to send it to each port individually so that each port to be patched differently. You may want one port to start a slot 10, and another to start at 57.

The main reason for the binding UID mechanism is to permit the controller to understand that the four ports are all a single device if you're drawing a pretty system block diagram.

A responder could even have different personality settings for each port.
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