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Optical cross connect apparatus and optical transmission system

  • US 20060018656A1
  • Filed: 07/20/2005
  • Published: 01/26/2006
  • Est. Priority Date: 07/20/2004
  • Status: Active Grant
First Claim
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1. An optical cross connect apparatus for transmitting an optical signal to a WDM net, said optical cross connect apparatus comprising:

  • an optical switch for generating a plurality of optical output signals from a plurality of optical input signals;

    an optical level monitor section for detecting the optical levels of the optical input signals; and

    a control section that is connected to said optical switch and said optical level monitor section, includes a path switching management section for retaining a path switching management table, references said path switching management table when said optical input signals detected by said optical level monitor section are found to be OFF, and judges whether said optical switch should be operated.

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