Integrated optical line card protection module
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 6, 2004
Grant Date -
N/A
app pub date -
May 10, 2001
filing date -
May 10, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An integrated optical line card protection module uses free-space optical links to thereby increase the level of integration while decreasing footprint. The module comprises a bench, a user-side interface to an array of user fibers and a device-side interface to an array of device fibers. The device fibers connect the module to a primary device and a redundant device. A monitoring signal generator is provided on the bench that provides monitoring signals. A monitoring signal detector is also on the bench that detects the monitoring signals. Finally, a beam switching system is provided that selectively connects the user fibers to the device fibers of the primary device or the device fibers of the redundant device. The preferred configuration is in-line with the user-side interface on an opposed side of the module relative to the device side interface. This is accomplished with translating switching system.
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 10 Citation Count
- G02B Class
- 1.81 % this patent is cited more than
- 21 Age