Optical path cross connect apparatus and switching method thereof
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United States of America Patent
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Issued Date -
Jul 3, 2003
app pub date -
Apr 23, 2002
filing date -
Dec 27, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An optical path cross connect apparatus employs an economical 1.times.2 optical switches instead of expensive optical amplifiers, realizing an economical apparatus and suppressing dimensions of the apparatus, a dummy optical signal that realizes a reliable switching from a system in service to a standby system when a fault occurs in the system in service, and a switching method provides a method to replace an optical switch and to insert an optical amplifier, if required, while continuing communication services.
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