Hey all, We've just taken delivery of a shiny new Ion xe. However we've found that if we boot the console with the DMX cable connected, the board doesn't seem to output DMX. If we unplug the DMX wait a couple seconds then replug the DMX, everything works fine. Tech support had us connect an LED fixture with a short cable directly to the console, of course that works fine. We do have an opto-isolator, and house architectural DMX control in the mix which we've also isolated/eliminated, but whatever DMX line we plug into the board (other than the single LED unit) we don't get any output, until we unplug/replug. Anyone ever seen anything like this?