TOKYO--(BUSINESS WIRE)--Mitsubishi Electric Corporation (TOKYO:6503) announced today that it has completed the upgrade and the expansion of the South East Asia – Middle East – Western Europe 4 (SEA-ME-WE 4) Cable System on February 3, 2015. The SEA-ME-WE 4 Cable System, which was commissioned in 2005, is an ultra-high-capacity fiber optic submarine cable system linking South East Asia to Western Europe via the Middle East. The cable network, measuring approximately 20,000 kilometers and linking