4KEXTENDER-35Receiver Panel1. HDMI OUT: Connect to HDMI sink devices, such as LED/LCD Monitor, LED/LCDTVs, Projector and AV Receiver.2. IR TX: Transmitting IR signal to remote control HDMI sink devices via IRBlaster Cable.3. IR RX: Receiving IR signal to remote control HDMI source devices via IRReceiver Cable.4. DC IN: 5VDC / 2.0 Amp Locking Power Jack.5. POWER LED: This LED will illuminate when power adapter plug in4KEXTENDER-35 Receiver.6. LINK LED: This LED will illuminate when Receiver connect compatibleTransmitter and all signal start to transmission.7. RJ45: Connect to 4KEXTENDER-100 Transmitter with single Cat.6 cable forHDMI, IR Blaster and IR Receiver signal transmission.