2 x VGA input - 15 pin HD D-Sub (HD-15) 1 x composite video input - RCA 1 x HDMI input - 19 pin HDMI Type A 1 x USB - 4 pin mini-USB Type B (management) 1 x serial RS-232 - 9 pin D-Sub (DB-9) (management) 1 x VGA output - 15 pin HD D-Sub (HD-15) 1 x audio line-in - mini-phone 3.5 mm 1 x audio line-out - mini-phone 3.5 mm