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Optical communication network and method for optically detecting a fault

  • US 5,757,526 A
  • Filed: 11/29/1996
  • Issued: 05/26/1998
  • Est. Priority Date: 12/11/1995
  • Status: Expired due to Term
First Claim
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1. An optical communication network for detecting a fault therein, comprising:

  • a receiver for receiving a superimposed signal through an optical path, said receiver comprising;

    an optical splitter, connected to said optical path, for splitting said superimposed signal into an optical data signal and a monitoring signal; and

    a processor for analyzing both said monitoring signal and said optical data signal delivered from said optical splitter, to determine whether a fault exists in said optical path coupled to said optical communication network.

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