Optical transceiver having an OTDR mode, and a method of obtaining test data for testing an optical fiber
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United States of America Patent
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May 19, 2015
Grant Date -
Jan 26, 2012
app pub date -
Oct 30, 2009
filing date -
Oct 30, 2009
priority date (Note) -
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Abstract
An optical transceiver has a communications mode and an optical time domain reflectometer (OTDR) mode. The transceiver comprises a transmitter channel and a receiver channel operable, in the communications mode, to respectively transmit and receive communications signals through respective external optical fibers. The transceiver also comprises a guide arrangement for guiding, in the OTDR mode, a reflected OTDR signal along a path from the transmitter channel into the receiver channel. A method of obtaining test data for an optical fiber in an optical data communications subsystem is also disclosed.
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