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Arrangement in a network repeater for monitoring link integrity by monitoring symbol errors across multiple detection intervals

  • US 6,690,650 B1
  • Filed: 02/24/1999
  • Issued: 02/10/2004
  • Est. Priority Date: 02/27/1998
  • Status: Expired due to Term
First Claim
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1. A method in a network repeater, comprising:

  • establishing a link with a remote network node at a prescribed data rate via a network medium; and

    determining an integrity of the link by;

    (1) counting in a first counter a detected number of symbol errors within a first interval, (2) incrementing a second counter if the detected number of symbol errors exceeds a first threshold within the first interval, and (3) determining if the second counter reaches a second threshold within a second interval including a successive plurality of the first intervals, the link integrity based on the second counter reaching the second threshold within the second interval.

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