逆ぎゃく方ほう向こう通つう信しん路ろ

noun

backward channel

Technical term in computing and telecommunications for a channel that carries control or feedback signals in the reverse direction of the main data flow.

• 逆ぎゃく方ほう向こう通つう信しん路ろは、受じゅ信しん側がわから送そう信しん側がわへ確かく認にん応おう答とうを送おくるために使つかわれる。

  The backward channel is used to send acknowledgments from the receiver to the sender.