Fiber optic telecommunications card with security detection

  • US 20030007215A1
  • Filed: 07/03/2002
  • Published: 01/09/2003
  • Est. Priority Date: 07/09/2001
  • Status: Active Grant
First Claim
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1. A transceiver card for a telecommunications box for transmitting data over a first optical fiber and receiving data over a second optical fiber, the card comprising:

  • a transmitter for transmitting data over the first optical fiber, the transmitter having a laser and a modulator;

    a fiber output optically connected to the laser for connecting the first optical fiber to the card;

    a fiber input for connecting the second optical fiber to the card;

    a receiver optically connected to the fiber input for receiving data from the second optical fiber; and

    an OTDR optically connected between the transmitter and the fiber output or between the receiver and the fiber input.

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