FIBER OPTIC TELECOMMUNICATIONS CARD WITH SECURITY DETECTION
3 Assignments
0 Petitions
Accused Products
Abstract
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 has 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. An energy level detector is also provided between the receiver and the fiber input.
10 Citations
56 Claims
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1-17. -17. (canceled)
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18. A transceiver card for a telecommunications box for transmitting data over a first optical fiber and receiving data over a second optical fiber, the transceiver card comprising:
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a transmitter having a laser, a modulator, and a controller configured to receive input data and control the modulator to generate a first optical signal as a function of the input data; a fiber output optically connected to the transmitter and configured to optically connect the first optical fiber to the transceiver card; a receiver having a demodulator configured to receive a second optical signal from the second optical fiber and demodulate the second optical signal to produce output data; fiber input optically connected to the receiver and configured to optically connect the second optical fiber to the transceiver card; and an energy level detector optically connected between the receiver and the fiber input to measure an energy level of the second optical signals, wherein the energy level detector includes a plurality of thresholds. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A transceiver card for a telecommunications box for transmitting data over a first optical fiber and receiving data over a second optical fiber, the transceiver card comprising:
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a transmitter having a laser, a modulator, and a controller configured to receive input data and control the modulator to generate a first optical signal as a function of the input data; a fiber output optically connected to the transmitter and configured to optically connect the first optical fiber to the transceiver card; a receiver having a demodulator configured to receive a second optical signal from the second optical fiber and demodulate the second optical signal to produce output data; a fiber input optically connected to the receiver and configured to optically connect the second optical fiber to the transceiver card; and an energy level detector configured to measure an energy level of the second optical signal*, the energy level detector including a threshold indicating a drop in amplitude of the second optical signal. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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43. A transceiver card for a telecommunications box for receiving data over an optical fiber, the transceiver card comprising:
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a fiber input for connecting the optical fiber to the transceiver card; a receiver optically connected to the fiber input for receiving an optical signal from the optical fiber, wherein the optical signal comprises a phase modulated optical signal; and an energy level detector to measure an energy level of the phase modulated optical signal, the energy level detector including a threshold indicating a drop in amplitude of the phase-modulated optical signal. - View Dependent Claims (44, 45, 46, 47, 48, 49, 50, 51, 52)
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53. A transceiver card for a telecommunications box for transmitting data over a first optical fiber and receiving data over a second optical fiber, the transceiver card comprising:
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a transmitter having a laser, a modulator and a controller configured to receive input data and control the modulator to generate a first optical signal as a function of the input data; a fiber output optically connected to the transmitter and configured to optically connect the first optical fiber to the transceiver card; a receiver having a demodulator configured to receive a second optical signal from the second optical fiber and demodulate the second optical signal to produce output data; a fiber input optically connected to the receiver and configured to optically connect the second optical fiber to the transceiver card; a splitter to split at least a portion of the second optical signals to form a split optical signal; and a photodetector configured to measure the split optical signal and output an electric voltage corresponding to an optical power of the split optical signal. - View Dependent Claims (54, 55, 56)
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Specification