I have same issue with Intelix matrix switch INT-44HDX
Works with Lorex camera system
Works with Dune Media player
But causes Roku Ultra to lock up, stays on screensaver screen, if i hit any button on Roku remote will go black screen then back to screensaver. With Control 4 remote does the same thing.
Do you have any suggestions? Do not see many settings will log into matrix switch through my local network.