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Method and apparatus for storing and retrieving performance data collected by a network interface unit

  • US 6,091,712 A
  • Filed: 12/24/1996
  • Issued: 07/18/2000
  • Est. Priority Date: 12/23/1994
  • Status: Expired due to Term
First Claim
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1. A method for storing, and making available for retrieval, performance monitoring information within a network interface unit on a telecommunications circuit divided into 4 legs, each leg associated with a direction of information signal flow, the method including the steps of:

  • (a) detecting at a network interface, errors on the telecommunications circuit;

    (b) detecting at the network interface, alarms on the telecommunications circuit;

    (c) determining during real-time operation of the telecommunications circuit, based upon signals received at the network interface, the leg of the telecommunications circuit in which originated an Event comprising a detected error or alarm; and

    (d) transmitting an indication, during real-time operation of the telecommunications circuit in response to a request, the circuit leg in which it was determined the Event originated.

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