PROBLEM TO BE SOLVED : To provide an electrical and/or optical interface for reducing a PCB real estate for the interface and improving signal quality.SOLUTION : An integrated electrical and optical interface port may comprise an optical communication light engine 230 within a connection port itself. The connection port comprises : a connector housing 250; an electrical interface assembly; and an optical interface assembly incorporated together. The optical communication light engine 230 comprises : a laser diode to generate optical signals; a photo diode to receive the optical signals; and an optical integrated circuit (IC) to control an optical interface.COPYRIGHT : (C)2014, JPO&INPIT