frame check sequence

from The Free On-line Dictionary of Computing (8 July 2008)

Frame Check Sequence
FCS

   <communications> (FCS) The extra characters added to a {frame}
   for {error detection and correction}(?).  FCS is used in
   {X.25}, {HDLC}, {Frame Relay}, and other {data link layer}
   {protocols}.

   (1998-02-27)