<p>A connector that protects a photoelectric conversion device from noise and has high durability is provided. A connector (1) includes a plug (10) provided at one end of an optical fiber (50) and a receptacle (20) to which the plug (10) is mounted from above. The plug (10) includes: a photoelectric conversion device composed of a semiconductor device that is not covered with a metal case; and a metal member (18) provided so as to cover an upper side of the photoelectric conversion device. The receptacle (20) includes a metal housing (21) to which the plug (10) is fixed. The plug (10) and the receptacle (20) are fixed to each other only by engagement between the metal member (18) and the metal housing (21).</p>
