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Method for communicating a software-generated pulse waveform between two servers in a network

  • US 6,163,853 A
  • Filed: 10/01/1997
  • Issued: 12/19/2000
  • Est. Priority Date: 05/13/1997
  • Status: Expired due to Term
First Claim
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1. A method of monitoring an operational status of a first server with a second server, comprising:

  • successively transmitting first and second command signals to a device coupled to the first server, wherein the first command signal places the device in a first status condition and the second command signal places the device in a second status condition; and

    monitoring a status condition of the device with the second server, coupled to the device, wherein a change in the status condition of the device indicates that the first server is operational.

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