Reconfiguration control method for a loop-type data network

Details Reconfiguration control method for a loop-type data network Reconfiguration control method for a loop-type data network

1983-04-06

1985-07-16

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 16, H04J 314, H04Q 900

Patent

active

045300852

ABSTRACT:
This invention discloses a loop-back control method for loop-type data transmission systems in which, when a trouble occurs on both transmission lines of two systems, two stations adjacent to the trouble region return signals toward a control station in response to a command from the control station, thereby to separate the trouble region and continue the operation. According to this invention, when the control station detects the occurrence of a trouble on the transmission lines of the two systems, it sends out a broadcast command to search for the trouble point to the transmission lines of both systems and thereafter a loop-back command is issued so that the stations adjacent to the trouble point can loop-back the transmission.

REFERENCES:
patent: 3743938 (1973-07-01), Davis
patent: 4002847 (1977-01-01), Dail
patent: 4048446 (1977-09-01), Hafner et al.
patent: 4190821 (1980-02-01), Woodwaid
patent: 4370744 (1983-01-01), Hirano et al.
patent: 4380061 (1983-04-01), Mori et al.
patent: 4455645 (1984-06-01), Mijioka et al.

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