PC (D-sub 15pin) x 1 Monitor out (D-sub 15pin) x 1 HDMI (1.4a) x 3 (one share with MHL) Composite Video in (RCA) x 1 Audio in (Mini Jack) x 1 Audio L/R in (RCA) x 1 Audio out (Mini Jack) x 1 LAN Port (RJ45 for Network control/FW upgrade) x 1 USB Type A (Power 5V/1.5A) x 1 USB Type Mini B(Service) x 1 RS232 in (D-sub 9pin) x 1 3D Sync out x1 IR Receiver (Front) x 1 IR Receiver (Rear) x 1