Fbus (for "Fast Bus") is an ANSI/IEEE data bus protocol oriented towards backplanes and cell phones. The standard specifies a way for various pieces of electronic hardware to communicate, typically with one piece acting as master (sending a request), and another acting as a slave (returning an answer).
1. The FBUs annual conference backed a motion supporting a national strike ballot this year if the control rooms were replaced and compulsory redundancies were made.