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High speed multiple ported bus interface port state identification system

  • US 20040168008A1
  • Filed: 02/18/2003
  • Published: 08/26/2004
  • Est. Priority Date: 02/18/2003
  • Status: Abandoned Application
First Claim
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1. A monitor for a dual ported bus interface comprising:

  • a controller coupled to the dual ported bus interface, the dual ported bus interface having first and second front end ports capable of connecting to host bus adapters, first and second backplane connectors for coupling to one or more buses on the backplane, and interconnections for coupling signals from the first and second front end ports through to the backplane buses; and

    a programmable code executable on the controller and further comprising;

    a programmable code that monitors term power, a differential sense signal, and connectivity states for the first and second front end ports; and

    a programmable code that identifies port state based on the monitored term power, a differential sense signal, and connectivity states.

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