1. A type of synchronous communications signaling used primarily in mainframe networks where the data is binary-coded and both the sender and receiver must be synchronized by appropriate timing signals before a data transfer can begin. 2. Also called BSC, a Layer 2 protocol developed by IBM using bisync signaling with a standardized set of control character sequences. The data is binary-coded usually in EBCDIC.
More: 1. Binary Synchronous 2. Binary Synchronous Communications