Method and apparatus for line switching

Details Method and apparatus for line switching Method and apparatus for line switching

1994-05-17

1996-01-09

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

34082516, 395181, 39518501, H04L 122

Patent

active

054835194

ABSTRACT:
A line switching apparatus for switching from a telecommunication line to a backup line in the event of occurrence of a fault on the telecommunication line includes a memory storing time zone information for monitoring the state of the telecommunication line, so that, when occurrence of a fault is detected during this monitoring time zone, the line switching apparatus switches from the faulty telecommunication line to a backup line, while when the time is outside the monitoring time zone, the state of the telecommunication line is not monitored so as to prevent unnecessary switching from the telecommunication line to the backup line.

REFERENCES:
patent: 5010550 (1991-04-01), Hirata
patent: 5193086 (1993-03-01), Satomi et al.
patent: 5210740 (1993-05-01), Anzai et al.

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