JPS5240288A - Data highway device - Google Patents

Data highway device

Info

Publication number
JPS5240288A
JPS5240288A JP50116637A JP11663775A JPS5240288A JP S5240288 A JPS5240288 A JP S5240288A JP 50116637 A JP50116637 A JP 50116637A JP 11663775 A JP11663775 A JP 11663775A JP S5240288 A JPS5240288 A JP S5240288A
Authority
JP
Japan
Prior art keywords
data highway
highway device
terminal office
office device
living
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
JP50116637A
Other languages
Japanese (ja)
Other versions
JPS5731693B2 (en
Inventor
Tsukumo Higeta
Hajime Kakehi
Noritaka Nakano
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 JP50116637A priority Critical patent/JPS5240288A/en
Publication of JPS5240288A publication Critical patent/JPS5240288A/en
Publication of JPS5731693B2 publication Critical patent/JPS5731693B2/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)
  • Programmable Controllers (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Small-Scale Networks (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:In the system that connects a central terminal office device and a plural number of remote terminal office device in loop condition by living and reserve circuits, this device prevents system down by forming a by-path circuit where trouble happens.
JP50116637A 1975-09-27 1975-09-27 Data highway device Granted JPS5240288A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50116637A JPS5240288A (en) 1975-09-27 1975-09-27 Data highway device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50116637A JPS5240288A (en) 1975-09-27 1975-09-27 Data highway device

Publications (2)

Publication Number Publication Date
JPS5240288A true JPS5240288A (en) 1977-03-29
JPS5731693B2 JPS5731693B2 (en) 1982-07-06

Family

ID=14692121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50116637A Granted JPS5240288A (en) 1975-09-27 1975-09-27 Data highway device

Country Status (1)

Country Link
JP (1) JPS5240288A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55138944A (en) * 1979-04-18 1980-10-30 Toshiba Corp Transmission line control system
JPS55161449A (en) * 1979-05-31 1980-12-16 Fujitsu Ltd Fault monitor system
JPH04216104A (en) * 1990-12-14 1992-08-06 Omron Corp Remote i/o system for programmable controller

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55138944A (en) * 1979-04-18 1980-10-30 Toshiba Corp Transmission line control system
JPS55161449A (en) * 1979-05-31 1980-12-16 Fujitsu Ltd Fault monitor system
JPH04216104A (en) * 1990-12-14 1992-08-06 Omron Corp Remote i/o system for programmable controller

Also Published As

Publication number Publication date
JPS5731693B2 (en) 1982-07-06

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