Frame Check Sequence


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Frame Check Sequence

(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.
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References in periodicals archive ?
A-MSDU mechanism has its drawback when physical medium corrupts an AMSDU subframe during the transmission because the frame check sequence (FCS) validation covers the whole A-MPDU frame.
The data is generally wrapped with headers, including a Preamble indicating that a new and valid frame is about to start, the Destination and Source addresses, a Length field identifying the size of the encapsulated data, and a Frame Check Sequence field for use in verifying the integrity of the IP packet.
Digitech checks for protocol errors and bad frame check sequence (FCS) codes.