Telecommunications switch apparatus and method for time switching
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United States of America Patent
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Nov 24, 1998
Grant Date -
N/A
app pub date -
Jul 3, 1996
filing date -
Jul 7, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A switch module for time switching telecommunications data includes an input circuit for selecting data samples from a time slot in an input frame of data samples. The selected data samples are arranged into groups of uniform size, each group consisting of at least two data samples. The groups of selected data samples are stored in an orderly manner, in each of as many storage entities as there are data samples in each group. Thereafter in accordance with a predefined sequence peculiar to each of the storage entities, the data samples are simultaneously read out, group by group. An output circuit selects data samples into a selected group of data samples from among each of the readouts of each of the storage entities and transmits each selected group into an output frame of data samples. Hence a sequence of the data samples appears switched in the output frame with respect to the sequence of the data samples as they were stored from the input frame. The switch module as described inherently provides for switching of data samples, the data samples being permitted to occur at a rate faster than a cycle time of switch module operation.
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