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Method and apparatus for loop breaking on a serial bus

  • US 6,628,607 B1
  • Filed: 07/09/1999
  • Issued: 09/30/2003
  • Est. Priority Date: 07/09/1999
  • Status: Expired due to Term
First Claim
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1. In an electronics system including at least one bus, each said bus including at least one node, each said node including at least one port, a method for loop breaking, said method comprising:

  • selecting a first port of a node;

    transmitting a first packet on a bus attached to said first port of said node, said first packet containing a unique identifier;

    listening for a second packet for a period of time on a second port of said node, said second packet containing said unique identifier;

    joining said first port to said node if said second packet is not received within said period of time; and

    quarantining said first port if said second packet is received within said period of time.

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