Optical telecommunications network
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United States of America Patent
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-
Oct 5, 1999
Grant Date -
N/A
app pub date -
Sep 27, 1996
filing date -
Mar 29, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An optical telecommunication system includes a number of transparent passive optical networks (TONs). Each TON connects a respective group of terminals and the head end of each TON is connected to a common central switching node. Each terminal includes selecting a wavelength/time channel for forming a connection with another terminal within the respective TON or within another TON. The central switching node comprises an optical spatial/wavelength switch arranged to provide switched connections between subscribers connected to different TONs.
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