Module comprising in an ATM exchange connection ports, each tran

Details Module comprising in an ATM exchange connection ports, each tran Module comprising in an ATM exchange connection ports, each tran

1992-07-08

1994-02-15

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 941, H04L 1240

Patent

active

052873552

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.

REFERENCES:
patent: 4707827 (1987-11-01), Bione et al.
patent: 4933937 (1990-06-01), Konishi
patent: 5163048 (1992-11-01), Heutink

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