Fiber optic telecommunications card with security detection

  • US 20100119225A1
  • Filed: 11/04/2009
  • Published: 05/13/2010
  • Est. Priority Date: 07/09/2001
  • Status: Active Grant
First Claim
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1. A method for operating an optical fiber multiplexor comprising:

  • feeding input data to a controller;

    using the controller, controlling a modulator to modulate light from a laser as a function of the input data;

    sending the modulated light as an optical signal over an optical fiber;

    receiving the optical signals at a receiver;

    passing the optical signals to a photodetector to produce an electric signal; and

    filtering the electrical signal to produce an average optical power.

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