JPS56117452A - Separation system of terminal station for loop-type transmission process system - Google Patents

Separation system of terminal station for loop-type transmission process system

Info

Publication number
JPS56117452A
JPS56117452A JP2139980A JP2139980A JPS56117452A JP S56117452 A JPS56117452 A JP S56117452A JP 2139980 A JP2139980 A JP 2139980A JP 2139980 A JP2139980 A JP 2139980A JP S56117452 A JPS56117452 A JP S56117452A
Authority
JP
Japan
Prior art keywords
station
reception
terminal
loop
terminal 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.)
Granted
Application number
JP2139980A
Other languages
Japanese (ja)
Other versions
JPH0113664B2 (en
Inventor
Hiroshi Ishida
Tsutomu Shinohara
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.)
Meidensha Electric Manufacturing Co Ltd
Original Assignee
Meidensha Electric Manufacturing 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 Meidensha Electric Manufacturing Co Ltd filed Critical Meidensha Electric Manufacturing Co Ltd
Priority to JP2139980A priority Critical patent/JPS56117452A/en
Publication of JPS56117452A publication Critical patent/JPS56117452A/en
Publication of JPH0113664B2 publication Critical patent/JPH0113664B2/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)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To ensure an easy separation of the terminal stations forming a system from the loop-type transmission line when a fault occurs to the terminal station in a loop-type transmission process system, by carrying out a software control through the master station of the terminal station separating device. CONSTITUTION:When a reception fault occurs at least to the terminal station 24, the reception state signal indicating a reception unable state is given to the terminal station separating device 27 from the station 24 via the terminal stations 24'-26' plus the master station 23'. After this, the reception state signal showing an incapability of reception is given to the device 27 successively and at different time points from the subsequent terminal stations 25 and 26. While no reception state signal is transmitted to the device 27 from the stations 24'-26'. In this case, the device 27 separates the station 24 from the transmission lines 281 and 282. Then if a fault occurs to either one of these two transmission lines, the device 27 separates the transmitter that causes the fault in question from the transmission line.
JP2139980A 1980-02-22 1980-02-22 Separation system of terminal station for loop-type transmission process system Granted JPS56117452A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2139980A JPS56117452A (en) 1980-02-22 1980-02-22 Separation system of terminal station for loop-type transmission process system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2139980A JPS56117452A (en) 1980-02-22 1980-02-22 Separation system of terminal station for loop-type transmission process system

Publications (2)

Publication Number Publication Date
JPS56117452A true JPS56117452A (en) 1981-09-14
JPH0113664B2 JPH0113664B2 (en) 1989-03-07

Family

ID=12053966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2139980A Granted JPS56117452A (en) 1980-02-22 1980-02-22 Separation system of terminal station for loop-type transmission process system

Country Status (1)

Country Link
JP (1) JPS56117452A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736465A (en) * 1985-07-24 1988-04-05 Northern Telecom Limited Communications network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736465A (en) * 1985-07-24 1988-04-05 Northern Telecom Limited Communications network

Also Published As

Publication number Publication date
JPH0113664B2 (en) 1989-03-07

Similar Documents

Publication Publication Date Title
KR880010592A (en) Data transmission system and method
JPS5792948A (en) Loop data transmission system
JPS56117452A (en) Separation system of terminal station for loop-type transmission process system
JPS5715539A (en) Monitoring system for transmission system
JPS56104558A (en) Switching system of multitransmission line
JPS5528615A (en) Data communication system
JPS57157662A (en) Remote monitoring system
JPS56161742A (en) Automatic detection method for faulty part in loop transmitting system
JPS5739646A (en) Interruption controlling system during communication
JPS5784644A (en) Detection system of transmission line termination state
JPS57138240A (en) Hairpin network
JPS56132036A (en) Confirmation system for operating equipment of terminal station
JPS57194659A (en) Controlling system for transmission of information
JPS6489639A (en) System for transmitting and receiving message
JPS5725743A (en) Maintenance system of radio telephone system
JPS54139420A (en) Selective connection method for transmission system
JPS57107655A (en) Line concentrating connection system
JPS5797753A (en) Loop digital data highway device
JPS5613856A (en) Signal transmitting system
JPS57106260A (en) Loop transmission system
JPS54114103A (en) Multiple data transmission method
JPS56122253A (en) Signal transmission system
JPS56146343A (en) Sequence controlling system for row signal
JPS5746547A (en) Data transmission system
JPS6434033A (en) Ecr system