同どう期き信しん号ごう

noun

synchronous idle; SYN

Technical term in data communications: a control character used in synchronous transmission to maintain timing when no data is being sent.

• 同どう期き信しん号ごうは、データが送おくられていない間あいだも送そう信しん側がわと受じゅ信しん側がわの同どう期きを保たもつために使つかわれる。

  The synchronous idle character is used to maintain synchronization between sender and receiver even when no data is being transmitted.