Abstract: Disclosed herein is an integrated interface device. The integrated interface device includes an input terminal configured to have a plurality of input ports and to receive data from the input ports, an interface unit for processing data input from each of the input ports, according to a corresponding interface algorithm, an output terminal configured to have a plurality of output ports and to output data, input from the interface unit, to a specific output port, an algorithm creation/change unit for creating or changing an interface algorithm required for the interface unit, a key input unit for generating a key signal for creating or changing an interface algorithm, a display unit for displaying image information for creating or changing an interface algorithm, and a control unit for controlling the algorithm creation/change unit and the display unit in response to the key signal input from the key input unit.