Excavating
Patent
1993-08-30
1997-06-10
Coleman, Eric
Excavating
395835, 39518401, 371 201, 36424295, 3642647, 364266, 364DIG1, G06F 1100
Patent
active
056385145
ABSTRACT:
A centralized supervisory supervises a plurality of network equipments connected to each other by lines based on performance data indicating operation states of the plurality of network equipments. The system includes a central supervisory device, and a medium supervisory system provided between the central supervisory device and the plurality of network equipments. The central supervisory device includes a command output unit for outputting a control command regarding gathering of the performance data, and a status table having state data indicating states of the respective network equipments. The medium supervisory system includes a processing unit for gathering the performance data output from the network equipments in accordance with the control command supplied from the command output unit of the central supervisory device, and a data transmission unit for transmitting to the central supervisory device the performance data gathered by the processing unit, wherein the state data in the status table of the central supervisory device is updated based on the performance data transmitted from the data transmission unit.
REFERENCES:
patent: 4972367 (1990-11-01), Burke
patent: 5049873 (1991-09-01), Robins et al.
patent: 5299207 (1994-03-01), Fujii
Fujii Yasuo
Kaneshima Toshihito
Yoshida Kojun
Coleman Eric
Fujitsu Limited
Shah Alpesh M.
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