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HEC - Header Error Control
By:Bruce Bahlmann
A single byte containing the information needed for the Transmission Convergence (TC) sub-layer of the Asynchronous Transfer Mode (ATM) Physical layer (PHY) that performs error detection on the cell header. HEC is calculated using a Cyclic Redundancy Check (CRC) algorithm allowing a single bit error in the header to be corrected or multiple errors to be detected. If errors are found, the cell is dropped before processing moves up to the ATM layer, where routing takesplace.

More Information About HEC
Available electronics that use HEC
COOPER BUSSMANN ATM-LP-10-10 10 Amp Low Profile Fuse by COOPER BUSSMANN ($8.99)
COOPER BUSSMANN ATM-LP-30-10 30 Amp Low Profile Fuse by COOPER BUSSMANN ($8.99)
Books about HEC
Essentials of ATM Networks and Services by Oliver C. Ibe ($26.95)
Connection-Oriented Networks: SONET/SDH, ATM, MPLS and Optical Networks by Harry G. Perros ($94.50)
ATM Networks: Concepts and Protocols by Sumit Kasera ($63.96)
ISDN and Broadband ISDN with Frame Relay and ATM (4th Edition) by William Stallings ($123.02)
Prodigal Sons and Material Girls: How Not to Be Your Child's ATM by Nathan Dungan ($25.60)
ATM Networks by Othmar Kyas ($53.99)
Understanding Sonet/Sdh and Atm: Communications Networks for the Next Millennium by Stamatios V. Kartalopoulos ($75.55)
An Engineering Approach to Computer Networking: ATM Networks, the Internet, and the Telephone Network by Srinivasan Keshav ($48.99)
Used and New HEC for Sale

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