Technical Definitions: What is A&B? A&B Definition.

Free Definitions: Networking: General

A&B Definition

A {bit signaling procedure} used in most {T1} transmission facilities where one bit from every sixth frame of each of 24 T1 {subchannels} is used for carrying {supervisory signaling}. [What does it stand for?  Is this the same as "{bit robbing}"?] (1997-05-05)

Definition Provided By Denis Howe