Network station and network management system

Details Network station and network management system Network station and network management system

1994-09-20

1997-01-14

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

34082516, 395750, 364138, 364188, 370445, H04L 1224

Patent

active

055944264

ABSTRACT:
A network management system includes network stations each having a power source and a power switch to turn the power source on and off, a network management station to monitor the network stations, and a communication network enabling connections between the network stations and the network management station. When turned off by the power switch, the network station enables communication with the network management station and then sends an event to notify the power-off state thereto. This enables the network management system to display whether the communication failure is caused by a network failure or the power-off of the network station.

REFERENCES:
patent: 4809163 (1989-02-01), Hirosawa et al.
patent: 5038140 (1991-08-01), Ikeuchi
patent: 5117430 (1992-05-01), Berglund
patent: 5226120 (1993-07-01), Brown et al.
patent: 5243335 (1993-09-01), Kato et al.
patent: 5261044 (1993-11-01), Dev et al.
patent: 5287343 (1994-02-01), Nakamura et al.
patent: 5295244 (1994-03-01), Dev et al.
patent: 5311515 (1994-05-01), Henderson et al.
patent: 5450408 (1995-09-01), Phaal
IBM Technical Disclosure Bulletin, "Power Control Network Command/Response Structure" vol. 34, No. 5,(Oct. 1991), pp. 3-8.

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