Title:
STANDBY UNIT CHANGEOVER CONTROLLER
Document Type and Number:
Japanese Patent JP3231977
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce a required time from the occurrence of a fault in an active unit till a standby unit starts its operation with respect to the standby unit changeover controller for a transmitter provided with plural active units and standby units.
SOLUTION: A setting data transmission means 2 adds a revision display signal representing whether or not setting data are revised to the setting data and sends the result periodically to a reception decision means 3. The means 3 receives the setting data and extracts a revision display signal. Only when the extracted revision display signal represents that the revision is caused in the setting data, a setting data storage update means 4 updates the storage of the setting data. When a fault develops in any of plural active units 1, a data transfer means 6 reads the setting data set in the active unit having a fault out of the setting data storage update means 4 and transfers the data to a standby unit 5.
Inventors:
Eiji Iida
Koji Maki
Hiroyuki Suzuki
Koji Maki
Hiroyuki Suzuki
Application Number:
JP22620195A
Publication Date:
November 26, 2001
Filing Date:
September 04, 1995
Export Citation:
Assignee:
富士通株式会社
International Classes:
H04L1/22; H04L12/42; H04L12/437; H04L45/58; H04L45/586; H04M3/22; (IPC1-7): H04L12/42; H04L12/56; H04M3/22
Domestic Patent References:
| JP6282510A | ||||
| JP6259271A | ||||
| JP520237A | ||||
| JP63131636A | ||||
| JP6169323A | ||||
| JP389654A | ||||
| JP1157649A | ||||
| JP4150133A | ||||
| JP63209245A |
Attorney, Agent or Firm:
Takeshi Hattori