Modular time-division switching network
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United States of America Patent
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-
Feb 23, 1982
Grant Date -
N/A
app pub date -
Apr 25, 1980
filing date -
Apr 27, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The modular switching network for time-division telephone exchanges, which may be applied to small-capacity time-division telephone exchanges, is constituted by the direct connection of pairs of subscriber and trunk line connecting units by PCM digital trunks, each connecting unit comprising a concentration-deconcentrator device for serving the subscribers associated with this connecting unit.
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