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Token ring network protocol analyzer

  • US 5,287,506 A
  • Filed: 10/17/1991
  • Issued: 02/15/1994
  • Est. Priority Date: 10/17/1991
  • Status: Expired due to Fees
First Claim
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1. A method performed by an adapter, for forcing insertion of an analyzer into a token ring network even when there are problems occurring in the network;

  • wherein an insertion switch, controlled by an insertion switching signal, switches incoming data from the network to the analyzer and outgoing data from the analyzer to the network;

    wherein the analyzer incorporates a protocol processor which has a processor insertion output signal and a processor data output signal;

    the method comprising the following steps;

    (a) switching the insertion switching signal to the processor insertion output signal;

    (b) inserting the analyzer into the network through the insertion switch by the processor insertion output signal;

    (c) forcing the analyzer to remain inserted into the network by switching the insertion switching signal from the processor insertion output signal to a force signal; and

    (d) switching the outgoing data to the network, from the processor data output signal to the incoming data from the network.

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