Communication device for switching connection from a working cha

Details Communication device for switching connection from a working cha Communication device for switching connection from a working cha

1996-03-08

1998-10-06

Kizou, Hassan

Multiplex communications

Fault recovery

Bypass an inoperative channel

379221, H04J 116

Patent

active

058188169

ABSTRACT:
A communication device includes a time switch array unit which performs a switching of transmission lines. A switch unit performs a switching connection from a protection channel line among the transmission lines to a working channel line, for each channel formed in the transmission lines. A bridge unit performs a switching connection from a working channel line among the transmission lines to a protection channel line, for each channel formed in the transmission lines. A control unit performs a recovery of a signal transmission on the working channel lines by controlling the switching connections of the switch unit and the bridge unit.

REFERENCES:
patent: 4393493 (1983-07-01), Edwards
patent: 4680776 (1987-07-01), Ikeuchi et al.
patent: 5343464 (1994-08-01), Iino et al.
patent: 5442620 (1995-08-01), Kremer
patent: 5446725 (1995-08-01), Ishiwatari
patent: 5452286 (1995-09-01), Kitayama
patent: 5495472 (1996-02-01), Ohara
patent: 5532862 (1996-07-01), Tada et al.

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