释义 |
jam signal 停发信号 A signal that carries a bit pattern sent by a data stationto inform other stations that they must not transmitted. 由某一数据站发送出来,携带着一个位图(以bit组成的报文)的一种信号,用以通知其它 的工作站,请不要再给本数据站传送信息了。 Note 1: In CSMA/CA networks, a jam signal indicates that the sending station intends to transmit. 注1:在CSMA/CA网络中,停发信号表示发送站打算要传送数据。 Note 2: In CSMA/CD networks, a jam signal indicates that a collision has occurred. 注2:在CSMA/CD网络中,停发信号表示已经发生碰撞,即双方争用信道而无法传输数据。 |