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Auto-resetting span-power protection

  • US 20070217101A1
  • Filed: 03/17/2006
  • Published: 09/20/2007
  • Est. Priority Date: 03/17/2006
  • Status: Active Grant
First Claim
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1. A method for deactivating a protective device, the method comprising:

  • determining when an overload condition occurs on a communication medium;

    when the overload condition occurs, deactivating at least one protective device by applying, for a first predetermined period of time, a short-circuit to an output of a power supply that provides a holding current to the at least one protective device; and

    after the first predetermined period of time has elapsed, removing the short-circuit on the output of the power supply.

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