JPS5619248A - Loop circuit diagnosing system for communication control device - Google Patents

Loop circuit diagnosing system for communication control device

Info

Publication number
JPS5619248A
JPS5619248A JP9405479A JP9405479A JPS5619248A JP S5619248 A JPS5619248 A JP S5619248A JP 9405479 A JP9405479 A JP 9405479A JP 9405479 A JP9405479 A JP 9405479A JP S5619248 A JPS5619248 A JP S5619248A
Authority
JP
Japan
Prior art keywords
loop circuit
lap
address
data
constitution
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
JP9405479A
Other languages
English (en)
Inventor
Fumio Hosono
Akio Hanada
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 JP9405479A priority Critical patent/JPS5619248A/ja
Publication of JPS5619248A publication Critical patent/JPS5619248A/ja
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)
  • Computer And Data Communications (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
JP9405479A 1979-07-24 1979-07-24 Loop circuit diagnosing system for communication control device Pending JPS5619248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9405479A JPS5619248A (en) 1979-07-24 1979-07-24 Loop circuit diagnosing system for communication control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9405479A JPS5619248A (en) 1979-07-24 1979-07-24 Loop circuit diagnosing system for communication control device

Publications (1)

Publication Number Publication Date
JPS5619248A true JPS5619248A (en) 1981-02-23

Family

ID=14099824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9405479A Pending JPS5619248A (en) 1979-07-24 1979-07-24 Loop circuit diagnosing system for communication control device

Country Status (1)

Country Link
JP (1) JPS5619248A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057743A (ja) * 1983-09-08 1985-04-03 Hitachi Ltd ル−プ伝送系
JPS60186155A (ja) * 1984-03-06 1985-09-21 Fujitsu Ltd 通信回線試験方式
JPS61282939A (ja) * 1985-06-10 1986-12-13 Oki Electric Ind Co Ltd 分散装置のオンラインテスト方式

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6057743A (ja) * 1983-09-08 1985-04-03 Hitachi Ltd ル−プ伝送系
JPS60186155A (ja) * 1984-03-06 1985-09-21 Fujitsu Ltd 通信回線試験方式
JPH0347793B2 (ja) * 1984-03-06 1991-07-22 Fujitsu Ltd
JPS61282939A (ja) * 1985-06-10 1986-12-13 Oki Electric Ind Co Ltd 分散装置のオンラインテスト方式

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