Module comprising in an ATM exchange connection ports, each transmitting a cell indicative of a destination module in a cell header
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United States of America Patent
Stats
-
Feb 15, 1994
Grant Date -
N/A
app pub date -
Jul 8, 1992
filing date -
Jul 8, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a local module (11(1)) of an asynchronous time division exchange or switching system, each of connection ports (17) transfers a transmission signal to a module bus (19) as a cell with its header made to indicate a destination module number and a destination port number as a VCI (Virtual channel identifier) when the signal is directed to a destination module (11(N)) and one of the connection ports, respectively. Preferably, a connection control unit (15) of the local module transfers and does not transfer the cell to a highway bus (13) when the signal is directed to the destination module and the last-mentioned one of the connection ports. More preferably, the header additionally indicates a binary one and zero bit when the signal is directed to the destination module and the last-mentioned one of the connection ports.
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