backward indicator bit (BIB)
backward indicator bit (BIB): A signal unit (or sequence of bits) that (by changing its status) is used to request retransmission by the remote end whenever it receives a signal unit that is out of sequence. [T1.226-1992]
This HTML version of Telecom Glossary 2K was last generated on Wed May 8 15:36:48 DT 2002.