(4) x HDMI input - 19 pin HDMI Type A ¦ (2) x VGA input - 15 pin HD D-Sub (HD-15) ¦ (1) x microphone - phone stereo 6.3 mm ¦ (6) x audio line-in - mini-phone stereo 3.5 mm ¦ (1) x HDMI output - 19 pin HDMI Type A ¦ (1) x network - RJ-45 ¦ (1) x HDBaseT output - RJ-45 ¦ (1) x serial - terminal block - RS-232 ¦ Contact closure input - terminal block