Method of restoring transmission line

Details Method of restoring transmission line Method of restoring transmission line

1987-07-24

1989-07-11

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

340825050, 370 16, 371 11, H04Q 900

Patent

active

048476102

ABSTRACT:
When a trouble occurs on a transmission line, each station transmits a predetermined frame to the adjacent station. The station which does not receive the frame outputs to the adjacent downstream station a frame instructing that its primary output be looped back to its secondary input. The information transmission trouble is removed by arranging the responses to the frames by the respective stations and the transmission procedure.

REFERENCES:
patent: 4190821 (1980-02-01), Woodward
patent: 4527270 (1985-07-01), Sweeton
patent: 4709365 (1987-11-01), Beale et al.
patent: 4710915 (1987-12-01), Kitahara
patent: 4723241 (1988-02-01), Grobel et al.
patent: 4763315 (1988-08-01), Nakayashiki et al.
ISO/TC97/SC13 N 348 Rev. 1, "Fiber Distributed Data Interface Media Access Control"(MAC), 02-28-86.

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