noun
data switch
A network device that forwards data between devices in a computer network.
データ交換機を経由して、複数のコンピュータが通信している。
Multiple computers communicate via the data switch.
A hub simply repeats data to all ports, whereas a data switch intelligently forwards data only to the intended recipient.
Compound of データ (data) + 交換 (exchange) + 機 (machine/device).