4K HDBaseT™ 4x4 Matrix SwitcherMX-HDBASE4X4-4K 6www.kanexpro.com5) Connect speakers/earphones to AUDIO output ports6) Connect the RS232 port of control device (e.g. a PC) to the RS232 port of either theswitcher or far-end receivers. RS232 signal can be transmitted bi-directionallybetween the Matrix Switcher and far-end receivers.7) The switcher can collect IR signal sent by the included IR remote via its built-in IRsensor or through external IR receiver connected to the IR IN/ IR EYE/ IR ALL INport. The IR signal can be transmitted bi-directionally between the switcher andfar-end receivers.8) Connect a DC 24V power adapter and the switcher.Note:1. Connect HDBT ports of the Matrix Switcher and far-end receiver withstraight-through cable.2. IR receivers connected to IR IN& IR ALL IN should be with carrier. If not, sendcommand %0900. or %0901.to activate native carrier mode or force carrier mode inthe IR matrix launched between Matrix Switcher and far-end receivers.3.5 Connection with HDMI Twisted Pair PoE ReceiverThe Matrix Switcher offers 4 HDBaseT output ports, which support PoC solution.Connect the HDBT output ports of switcher to HDBaseT receivers supporting PoC (likeHDMI Twisted Pair PoC Receiver) via twisted pair. Plug a power supply to the powerport of switcher; the HDBaseT receivers will be powered synchronously with PoCsolution.4. System Operations4.1 Front Panel Button ControlThe matrix switcher provides convenient front panel button control. Below is a briefintroduction to the system operations.4.1.1 Switching I/O connection1) To convert one input to an output:PoCDC 24VReceiver(PoC)