System and method for bi-directional transmission of telemetry service signals using a single fiber
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United States of America Patent
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Aug 29, 2000
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N/A
app pub date -
Aug 27, 1997
filing date -
Aug 27, 1997
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Abstract
A bi-directional telemetry service channel is provided on a single optical fiber using two wavelengths that are accessible through multiplexing devices. A bi-directional telemetry service channel is also provided on a single optical fiber using only a single wavelength. A fully protected bi-directional telemetry service channel can be provided using only two optical fibers. When a single wavelength is used, a time window is provided for transmission of telemetry service signals in one direction on the optical fiber at the single wavelength, and a second time-window is provided for transmission of telemetry service signals in the opposite direction on the same optical fiber using the same wavelength.
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