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Apparatus and method to provide a signal using a communication link

  • US 8,302,137 B2
  • Filed: 09/29/2003
  • Issued: 10/30/2012
  • Est. Priority Date: 09/29/2003
  • Status: Expired due to Fees
First Claim
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1. A method to provide a signal via a communication link, comprising the steps of:

  • providing an information storage and retrieval system comprising a controller (132), device adapter (210) interconnected to said controller and comprising a first communication link control card (240) comprising a transponder reader (260), a first connector (350), a first RAID rank (220) comprising a first array of disk drives, a second RAID rank (230) comprising a second array of disk drives, a communication loop (205) comprising a second communication link control card (250) wherein said communication loop interconnects said first RAID rank and said second RAID rank;

    providing a communication link (280) comprising a length, an end (320), a second connector (330) disposed on said end, and a passive transponder (340) disposed on said second connector, wherein said passive transponder (340) includes a memory comprising information including said length;

    interconnecting said-first connector (350) and said second connector (330);

    wirelessly reading said information from said memory by said first communication link control card; and

    adjusting a pre-emphasis level of said signal based upon said information wherein;

    said second connector (330) is disposed external to said device adapter (210);

    said passive transponder (340) is disposed external to said device adapter (210);

    said transponder reader (260) is disposed within said device adapter (210).

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