Shelf driver unit and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 25, 2001
Issued Date -
N/A
app pub date -
Dec 7, 1999
filing date -
Aug 28, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A modular digital telephone system and method featuring a universal telephony shelf adaptable for incremental expansion of legacy telephone switches and as a building block in the construction of new telephony switches. The shelf includes identification and connectors for shelf pairing, and is adapted to receive redundant power supplies, plural line cards, and either a peripheral shelf interface unit or a switch array card which provides both a local shelf interface and three interface units for connection to the peripheral interface units of other shelves. System wide fault displays are provided.
First Claim
Family
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Cited Art Landscape
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