中断信号状态发生于传输暂停时，此时线路会置于中断状态(全部都低，没有停止位元)直到其释放为止。

The break signal state occurs when a transmission is suspended and the line is placed in a break state (all low, no stop bit) until released.

youdao

中断信号状态发生于传输暂停时，此时线路会置于中断状态(全部都低，没有停止位元)直到其释放为止。

The break signal state occurs when a transmission is suspended and the line is placed in a break state (all low, no stop bit) until released.

youdao