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Method and apparatus for locating a faulty component in a cable television system having cable modems

  • US 6,588,016 B1
  • Filed: 06/30/1998
  • Issued: 07/01/2003
  • Est. Priority Date: 06/30/1998
  • Status: Expired due to Term
First Claim
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1. A method of locating a faulty component in a cable modem network, the method comprising:

  • determining whether a cable modem has transmitted a polling message to a central destination, the cable modem capable of being in one of a plurality of states, each state representing a condition of the cable modem;

    creating a miss count for the cable modem, the miss count reflecting the number of times the cable modem does not transmit a polling message to the central repository;

    creating data specifying one or more additional properties of the cable modem, which additional properties include at least a power level adjustment parameter;

    tabulating data relating to the miss count, and the one or more additional properties; and

    inserting a cable modem entry in an irregular behavior list according to tabulated data relating to the miss count, and the one or more additional properties.

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