Supervisory system of optical amplifier repeater system and supervisory method of optical amplifier repeater system
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United States of America Patent
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Oct 12, 2004
Grant Date -
Feb 21, 2002
app pub date -
Jun 27, 2001
filing date -
Jun 27, 2000
priority date (Note) -
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Abstract
A supervisory system and supervisory method of an optical amplifier repeater are proposed that can implement operation supervision taking account of the characteristics of individual supervisory targets of the optical amplifier repeater, thereby achieving higher reliability. The supervisory system includes an optical transmitter for transmitting an optical signal including an operation command to notify of a state of a supervisory target; an optical amplifier repeater that transmits a response optical signal including a response code obtained by measuring the supervisory target in response to the operation command; an optical receiver for receiving the response optical signal via an optical fiber and an information processing unit for converting the response code into a numerical form by using a predetermined expression that links the response code with measured information obtained by measuring in advance the supervisory target with an external measuring device during operation of the optical amplifier repeater in response to the operation command.
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