Time division switching system control arrangement and method

Details Time division switching system control arrangement and method Time division switching system control arrangement and method

1984-08-16

1986-11-04

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04Q 1104

Patent

active

046213570

ABSTRACT:
A method and arrangement for controlling a time division switching system including a time multiplexed switch is disclosed. The time division switching system comprises a plurality of time-slot interchange units which connect subscriber sets to the input/output ports of a time multiplexed switch. When a connection is to be established between time-slot interchange units, a central control transmits to the time multiplexed switch a path setup message defining the input/output ports to be connected and the time slot to be used for such a connection. The time multiplexed switch controller responds to the path setup messages by disconnecting existing connections through the time multiplexed switch which potentially conflict with the requested connection, then by completing the requested connection. Accordingly, the switching system operates effectively without requiring separate disconnect messages when connections through the time multiplexed switch are no longer needed.

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D. Danielsen et al. "No. 1 ESS Switching Network Frames and Circuits", The Bell System Technical Journal, Sep. 1964, pp. 2221-2252.

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