Connector assembly arrangement

A connector assembly arrangement comprising:

• connector assemblies disposed on a first face and a second face of a circuit board in an electronic device,
• wherein the connector assemblies, along with having a plug connector comprising a photoelectric conversion element configured to convert optical signals to electrical signals, and electrical signals to optical signals, and a receptacle connector with which said plug connector is mated, have the plug connector and the receptacle connector electrically connected through mutual contact between terminals,
• wherein the plug connector, from which a fiber optic cable is configured to facilitate optical signal transmission, and is connected to the element extends in one direction from said plug connector, also has terminals connected to the photoelectric conversion element,
• wherein the fiber optic cable is a single fiber optic cable,
• wherein a plurality of the connector assemblies are disposed on the first face of the circuit board,
• wherein the terminals of the plug connector are arranged laterally on an end face side of the connector assembly arrangement opposite to the fiber optic cable and are electrically connected through mutual contact between terminals by board-mounting, and
• wherein the terminals of the plug connector are further arranged on lateral sides of the connector assembly arrangement disposed on opposing sides of a direction that the fiber optic cable longitudinally extends toward the end face side of the connector assembly arrangement.