BDL4677XH92.2. Input/Output Terminals817181920123476 10 11 12 1415165 9131 AC INAC power input from the wall outlet.2 MAIN POWER SWITCHSwitch the main power on/off.3 / 4 IR IN / IR OUTReserved for the wired connection of the IR control.NOTE: If an external IR receiver is connected to [IR IN], there is nofunction on the display’s remote sensor.5 RS232C OUT:RS232C network output for the loop-through function.6 RS232C INRS232C network input for the loop-through function.7 RJ-45LAN control function for the use of remote control signal fromcontrol center.8 HDMI INHDMI video/audio input.9 DisplayPortDisplayPort video input.10 DVI INDVI-D video input.11 DVI OUT / VGA OUTDVI or VGA video output.12 VGA IN (D-Sub)VGA video input.13 VGA AUDIO INAudio input for VGA source (3.5mm stereo phone).14 COMPONENT IN (BNC)Component YPbPr video source input.15 Y/CVBSVideo source input.16 SPEAKER SWITCHInternal speaker on/off switch.17 AUDIO INAudio input from external AV device (RCA).18 AUDIO OUT (RCA)Audio output from the AUDIO IN jack to an external AV device.19 SPEAKERS OUTExternal speakers output.20 OPS SLOTSlot for installing the optional OPS module.