Title:
LINE CONTROL SYSTEM SWITCHOVER SYSTEM
Document Type and Number:
Japanese Patent JP2993354
Kind Code:
B2
Abstract:
PURPOSE: To shorten the time required for a line switchover processing by performing in parallel a processing that the control data automatically prepared by a controller is confirmed and is corrected by an operator and a processing that control data is transmitted from the controller to plural switch devices when a fault except a supposed fault is generated.
CONSTITUTION: After control data is automatically prepared based on fault information in a controller 1 and an operator terminates the confirmation and the correction of all control data in the same way as a conventional one when a fault except a supposed fault is generated, control data is transmitted to a switch device 2 all together and the switch processing of a line is performed. At the same time when control data is automatically prepared in the controller 1 and is instantaneously transmitted to the switch device 2 and the switchover processing of the line is performed, the operator is made to confirm the automatically prepared control data and the system performed in parallel is compared with a system where a processing of retransmitting only control data to be corrected is performed. As a result, the whole time required for a line switch processing can be shortened, the restoration of the system is realized in a short time and the effective use of the line can be performed.
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Inventors:
YOSHIDA KENJI
Application Number:
JP2581694A
Publication Date:
December 20, 1999
Filing Date:
February 24, 1994
Export Citation:
Assignee:
NIPPON DENKI KK
International Classes:
H04L1/22; H04L69/40; H04M3/22; (IPC1-7): H04M3/22; H04L1/22; H04L12/24; H04L12/26; H04L29/14
Domestic Patent References:
| JP2159636A | ||||
| JP6341939A | ||||
| JP260337A |
Attorney, Agent or Firm:
Naoki Kyomoto (2 outside)
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