medium attachment unit; MAU
Technical computing term for a device that connects a network node to the transmission medium, often used in token ring or Ethernet contexts.
In a token ring network, the medium attachment unit connects each node to the cable.
A transceiver is a broader term for a device that both transmits and receives signals, while 媒体接続機構 specifically refers to the attachment unit in a network context.
Compound of 媒体 (medium), 接続 (connection), and 機構 (mechanism). A direct translation of the English computing term 'medium attachment unit'.