JPS5797754A - Loop reconstituting system for fault of dual loop transmission network - Google Patents

Loop reconstituting system for fault of dual loop transmission network

Info

Publication number
JPS5797754A
JPS5797754A JP17438480A JP17438480A JPS5797754A JP S5797754 A JPS5797754 A JP S5797754A JP 17438480 A JP17438480 A JP 17438480A JP 17438480 A JP17438480 A JP 17438480A JP S5797754 A JPS5797754 A JP S5797754A
Authority
JP
Japan
Prior art keywords
station
fault
monitor
address
transmission network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17438480A
Other languages
Japanese (ja)
Other versions
JPH0159780B2 (en
Inventor
Keiji Sato
Yoshihiro Nakamura
Teruyoshi Mita
Yoshihiro Kitano
Akimasa Yatsuhoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP17438480A priority Critical patent/JPS5797754A/en
Publication of JPS5797754A publication Critical patent/JPS5797754A/en
Publication of JPH0159780B2 publication Critical patent/JPH0159780B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To improve the operating ratio and the reliability of the system, by instructing a station to be monitored to fold the transmission network by a monitor station when a fault occurs. CONSTITUTION:When a fault occurs, a monitor station 2 instructs all stations A-D to be monitored to fold dual transmission networks in every station. This instruction is executed first in the nearest station A, and the station A transmits its own station address to the monitor station 2. The monitor station 2 stores the address of the station A and releases folding of the station A. Though the monitor station 2 expects that a station B will tramsmit the address, the station B cannot transmit the address to the monitor station 2 because of the fault between stations A and B. The monitor station 2 detects that the address is not transmitted from the station B, and the monitor station 2 discriminates the occurrence of a fault between stations A and B and instructs the station A to fold the transmission network. Simultaneously, the similar processing is performed for stations D and C to ensure the line.
JP17438480A 1980-12-10 1980-12-10 Loop reconstituting system for fault of dual loop transmission network Granted JPS5797754A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17438480A JPS5797754A (en) 1980-12-10 1980-12-10 Loop reconstituting system for fault of dual loop transmission network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17438480A JPS5797754A (en) 1980-12-10 1980-12-10 Loop reconstituting system for fault of dual loop transmission network

Publications (2)

Publication Number Publication Date
JPS5797754A true JPS5797754A (en) 1982-06-17
JPH0159780B2 JPH0159780B2 (en) 1989-12-19

Family

ID=15977667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17438480A Granted JPS5797754A (en) 1980-12-10 1980-12-10 Loop reconstituting system for fault of dual loop transmission network

Country Status (1)

Country Link
JP (1) JPS5797754A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102222A2 (en) * 1982-08-30 1984-03-07 Fujitsu Limited Loop transmission system and method of controlling its loop-back condition
JPS59209927A (en) * 1983-05-06 1984-11-28 デンプスタ−・システムズ・インコ−ポレイテツド Hoist mechanism for truck or trailer type automobile
JPS6037851A (en) * 1983-08-09 1985-02-27 Mitsubishi Electric Corp Information transmitting device for car

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55105457A (en) * 1979-02-07 1980-08-13 Toshiba Corp Circuit formation accelerating method for data highway
JPS55147056A (en) * 1979-05-02 1980-11-15 Toshiba Corp Line connecting system in channel multiplex

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55105457A (en) * 1979-02-07 1980-08-13 Toshiba Corp Circuit formation accelerating method for data highway
JPS55147056A (en) * 1979-05-02 1980-11-15 Toshiba Corp Line connecting system in channel multiplex

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102222A2 (en) * 1982-08-30 1984-03-07 Fujitsu Limited Loop transmission system and method of controlling its loop-back condition
JPS59209927A (en) * 1983-05-06 1984-11-28 デンプスタ−・システムズ・インコ−ポレイテツド Hoist mechanism for truck or trailer type automobile
JPS6037851A (en) * 1983-08-09 1985-02-27 Mitsubishi Electric Corp Information transmitting device for car

Also Published As

Publication number Publication date
JPH0159780B2 (en) 1989-12-19

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