データ交こう換かん装そう置ちMeanings1noundata switching exchange; DSEcomputing›Technical computing term for a device that switches or exchanges data between networks or systems.データ交こう換かん装そう置ちはネットワーク間かんのデータ転てん送そうを中ちゅう継けいする。A data switching exchange relays data transfer between networks.