The Tp-580Txr Is An Extended Range, Hdbaset Twisted Pair Transmitter For Hdmi, Bidirectional Rs-232 And Ir Signals. The Tp-580Txr Inputs Hdmi, Rs-232, And Ir Signals And Converts Them Into An Hdbaset Twisted Pair Signal That It Transmits To A Tp-580Rxr Receiver.