Remote supervisory system for network elements

Details Remote supervisory system for network elements Remote supervisory system for network elements

1994-01-31

1995-12-05

Peng, John K.

Communications: electrical

Condition responsive indicating system

With particular system function

340505, 340518, 34082552, 34082554, G08B 2902

Patent

active

054733081

ABSTRACT:
Disclosed is a remote supervisory system in which slave supervisory apparatus (S-SV) for supervising network elements can be polled from a master supervisory apparatus (M-SV), and yet each S-SV is able to send an alarm signal to the M-SV at any appropriate time. In this system, a first transmission path connected to the M-SV is connected via a switch to a second transmission path leading from each S-SV. The switch is controlled in accordance with the presence of a signal on the first transmission path and also with the presence of a signal on the second transmission path.

REFERENCES:
patent: 4752698 (1988-06-01), Furuyama et al.
patent: 5017905 (1991-05-01), Yuchi
patent: 5227763 (1993-07-01), Kikuchi

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