JPS52109309A - Information transmission device - Google Patents

Information transmission device

Info

Publication number
JPS52109309A
JPS52109309A JP2584776A JP2584776A JPS52109309A JP S52109309 A JPS52109309 A JP S52109309A JP 2584776 A JP2584776 A JP 2584776A JP 2584776 A JP2584776 A JP 2584776A JP S52109309 A JPS52109309 A JP S52109309A
Authority
JP
Japan
Prior art keywords
transmission device
information transmission
detect
transmission line
make
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.)
Pending
Application number
JP2584776A
Other languages
Japanese (ja)
Inventor
Toshihisa Hino
Yoshiaki Bandai
Kenji Kikuchi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP2584776A priority Critical patent/JPS52109309A/en
Publication of JPS52109309A publication Critical patent/JPS52109309A/en
Pending 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)
  • Small-Scale Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE:To make it possible to detect an abnormal office by using a ring transmission line used for state supervisory controlling, so that system down conditions are recovered quickly and the effective operation is made.
JP2584776A 1976-03-10 1976-03-10 Information transmission device Pending JPS52109309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2584776A JPS52109309A (en) 1976-03-10 1976-03-10 Information transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2584776A JPS52109309A (en) 1976-03-10 1976-03-10 Information transmission device

Publications (1)

Publication Number Publication Date
JPS52109309A true JPS52109309A (en) 1977-09-13

Family

ID=12177223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2584776A Pending JPS52109309A (en) 1976-03-10 1976-03-10 Information transmission device

Country Status (1)

Country Link
JP (1) JPS52109309A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61200728A (en) * 1985-03-02 1986-09-05 Hitachi Ltd Multiplex communication system for automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61200728A (en) * 1985-03-02 1986-09-05 Hitachi Ltd Multiplex communication system for automobile

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