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JPS5528612A - Monitor system - Google Patents

Monitor system

Info

Publication number
JPS5528612A
JPS5528612A JP10157878A JP10157878A JPS5528612A JP S5528612 A JPS5528612 A JP S5528612A JP 10157878 A JP10157878 A JP 10157878A JP 10157878 A JP10157878 A JP 10157878A JP S5528612 A JPS5528612 A JP S5528612A
Authority
JP
Japan
Prior art keywords
station
code pattern
code
monitor
circuit
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
JP10157878A
Other languages
Japanese (ja)
Other versions
JPS5755344B2 (en
Inventor
Shufu Kusayanagi
Osamu Takahashi
Masamichi Iwama
Tadashi Akiba
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 JP10157878A priority Critical patent/JPS5528612A/en
Publication of JPS5528612A publication Critical patent/JPS5528612A/en
Publication of JPS5755344B2 publication Critical patent/JPS5755344B2/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)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Debugging And Monitoring (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

PURPOSE:To realize the monitor system in which the failure monitor of digital transmission network can be made to each station. CONSTITUTION:In the transmission network having the frame synchronizing signal F, the monitor station 1 inserts the code pattern STP corresponding to the stations 2-1 to 2-4 to the fixed area of the frame at the pattern insertion circuit 26 and it is delivered to the transmission circuit 25. At each station, the code pattern received and the code pattern corresponding to the station read out from the memory circuit 33 are compared, and if the code pattern corresponding to the station of itself is received, the monitor station returning the said code pattern after code conversion at the code conversion circuit 35, converts the said code pattern again, and compares it with the code pattern corresponding to the station memorized in the memory circuit 22. If not in agreement, this code pattern is informed to the control section 21 to detect the failure of the station corresponding to this code pattern.
JP10157878A 1978-08-21 1978-08-21 Monitor system Granted JPS5528612A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10157878A JPS5528612A (en) 1978-08-21 1978-08-21 Monitor system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10157878A JPS5528612A (en) 1978-08-21 1978-08-21 Monitor system

Publications (2)

Publication Number Publication Date
JPS5528612A true JPS5528612A (en) 1980-02-29
JPS5755344B2 JPS5755344B2 (en) 1982-11-24

Family

ID=14304265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10157878A Granted JPS5528612A (en) 1978-08-21 1978-08-21 Monitor system

Country Status (1)

Country Link
JP (1) JPS5528612A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59293A (en) * 1982-06-25 1984-01-05 Fujitsu Ltd Line control method
JPS597277A (en) * 1982-07-06 1984-01-14 Mitsubishi Electric Corp Phased array radar
JPS6340050U (en) * 1986-08-30 1988-03-15
JPH01125635A (en) * 1987-11-10 1989-05-18 Nec Corp Signal tracing system
US10439028B2 (en) * 2014-07-22 2019-10-08 Flosfia, Inc. Crystalline semiconductor film, plate-like body and semiconductor device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133506U (en) * 1983-02-24 1984-09-06 株式会社ダイフク rack
JPS6121706U (en) * 1984-07-10 1986-02-07 正準 新井 Ratsuku

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59293A (en) * 1982-06-25 1984-01-05 Fujitsu Ltd Line control method
JPS597277A (en) * 1982-07-06 1984-01-14 Mitsubishi Electric Corp Phased array radar
JPS6340050U (en) * 1986-08-30 1988-03-15
JPH01125635A (en) * 1987-11-10 1989-05-18 Nec Corp Signal tracing system
US10439028B2 (en) * 2014-07-22 2019-10-08 Flosfia, Inc. Crystalline semiconductor film, plate-like body and semiconductor device

Also Published As

Publication number Publication date
JPS5755344B2 (en) 1982-11-24

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