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Hybrid electronic/optical switch system

  • US 6,829,437 B2
  • Filed: 09/12/2003
  • Issued: 12/07/2004
  • Est. Priority Date: 03/18/1999
  • Status: Expired due to Fees
First Claim
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1. A data network comprising:

  • a core network of hybrid switch circuits interconnected by WDM optical fibers, optical data signals at a first dedicated wavelength from fibers being converted to electrical signals and switched through an electronic switch in the hybrid switch circuits and data signals at other wavelengths from the fiber being switched through an electronically controlled optical switch, each hybrid switch circuit monitoring traffic through the electronic switch to initiate communication among upstream and downstream circuits to establish flow paths through the optical switches of multiple hybrid switch circuits of the core network; and

    peripheral electronic switches converting electrical signals to WDM signals transmitted over fibers to the hybrid switch circuits, the peripheral electronic switches responding to communication from the core network to forward data over the established flow paths.

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