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Optical communication card and optical transmission device

  • US 8,626,001 B2
  • Filed: 09/23/2011
  • Issued: 01/07/2014
  • Est. Priority Date: 10/22/2010
  • Status: Expired due to Fees
First Claim
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1. An optical transmission device comprising:

  • multiple optical communication cards;

    a control card configured to control the optical communication cards; and

    a switch card connected to the multiple optical communication cards, whereineach of the optical communication cards comprises;

    a signal transmission/reception unit configured to perform optical-electrical signal conversion for a signal received from outside;

    a first FEC processing unit configured to perform FEC processing for a signal from the signal transmission/reception unit;

    a first function selection unit configured to select a type of the FEC processing and to control the first FEC processing unit; and

    a first control unit configured to transmit/receive a signal to/from the control card,the switch card comprises;

    a second FEC processing unit configured to perform FEC processing for a signal from one of the optical communication cards; and

    a second control unit configured to select a type of the FEC processing and to control the second FEC processing unit and configured to transmit/receive a signal to/from the control card, andthe control card comprises;

    a data table that associates a transmission line with multiple different types of FEC functions applicable to the transmission line and that stores them; and

    a retrieval processing unit configured to retrieve information to be transmitted to at least one of the first control unit and the second control unit from the data table.

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