1.Communication using binary synchronous line discipline.; 利用二进制同步线路规程所进行的通信。 2.A uniform procedure, using a standardized set of control characters and control character sequences, for synchronous transmission of binary coded data between stations. | 一种统一的通信规程,它利用一套标准的控制字符和控制字符序列,对二进制编码数据 进行站间同步传输。