Communications system for receiving and transmitting data cells
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United States of America Patent
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-
May 8, 2001
Grant Date -
N/A
app pub date -
Sep 13, 1999
filing date -
Oct 24, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A communication system is disclosed having a hub slot adapted to receive any one of a plurality of hub cards for receiving and transmitting data cells; a plurality of universal card slots; a plurality of interface cards insertable into any one of said plurality of universal card slots for receiving incoming ones of said data cells containing data and transmitting outgoing ones of said data cells containing data; an add bus having respective data links connected between individual ones of said universal card slots and said hub slot for receiving said outgoing ones of said data cells from said plurality of interface cards and transmitting said outgoing ones of said data cells to said hub slot; a drop bus having a single data link connected between all of said universal card slots and said hub slot for transmitting said incoming ones of said data cells from said hub slot to said plurality of interface cards; and means within each of said interface cards for filtering said incoming ones of said data cells from said drop bus and thereby routing said data cells to an appropriate one or more of said plurality of interface cards.
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