JPS5578652A - Data highway system - Google Patents

Data highway system

Info

Publication number
JPS5578652A
JPS5578652A JP15115178A JP15115178A JPS5578652A JP S5578652 A JPS5578652 A JP S5578652A JP 15115178 A JP15115178 A JP 15115178A JP 15115178 A JP15115178 A JP 15115178A JP S5578652 A JPS5578652 A JP S5578652A
Authority
JP
Japan
Prior art keywords
data highway
fault
signals
computer
station
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
JP15115178A
Other languages
Japanese (ja)
Inventor
Takao Honna
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15115178A priority Critical patent/JPS5578652A/en
Publication of JPS5578652A publication Critical patent/JPS5578652A/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)
  • Multi Processors (AREA)
  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To secure the low-cost detection for the faulty state in the decentralized process system connected via the data highway by informing the fault of the station through the higher-rank computer and via the data highway. CONSTITUTION:Station 40 is connected via data highway 5 and incorporates fault display signal generator circuit 100 which receives the fault signals of computer 21 as well as the control signals from control circuit 86 and then delivers fault display signal ad11. Signal ad11 is converted into the serial signals through parallel- serial converter circuit 84 and then sent to higher-rank computer 1 or other computers 22-2n through above data highway 5 in the form of the fault occurrence pattern informaton. As a result, this fault occurrence pattern information is sent back as the answer to the request given from other stations. So that the fault occurrence can be informed via existing data highway 5.
JP15115178A 1978-12-08 1978-12-08 Data highway system Pending JPS5578652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15115178A JPS5578652A (en) 1978-12-08 1978-12-08 Data highway system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15115178A JPS5578652A (en) 1978-12-08 1978-12-08 Data highway system

Publications (1)

Publication Number Publication Date
JPS5578652A true JPS5578652A (en) 1980-06-13

Family

ID=15512467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15115178A Pending JPS5578652A (en) 1978-12-08 1978-12-08 Data highway system

Country Status (1)

Country Link
JP (1) JPS5578652A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62175046A (en) * 1986-01-28 1987-07-31 Nec Corp Alarm informing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62175046A (en) * 1986-01-28 1987-07-31 Nec Corp Alarm informing system

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