JPS5368046A - Loop-type data highway system - Google Patents

Loop-type data highway system

Info

Publication number
JPS5368046A
JPS5368046A JP14290976A JP14290976A JPS5368046A JP S5368046 A JPS5368046 A JP S5368046A JP 14290976 A JP14290976 A JP 14290976A JP 14290976 A JP14290976 A JP 14290976A JP S5368046 A JPS5368046 A JP S5368046A
Authority
JP
Japan
Prior art keywords
loop
highway system
type data
data highway
fault
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
JP14290976A
Other languages
English (en)
Other versions
JPS575379B2 (ja
Inventor
Yoshiaki Bandai
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 JP14290976A priority Critical patent/JPS5368046A/ja
Publication of JPS5368046A publication Critical patent/JPS5368046A/ja
Publication of JPS575379B2 publication Critical patent/JPS575379B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Small-Scale Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP14290976A 1976-11-30 1976-11-30 Loop-type data highway system Granted JPS5368046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14290976A JPS5368046A (en) 1976-11-30 1976-11-30 Loop-type data highway system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14290976A JPS5368046A (en) 1976-11-30 1976-11-30 Loop-type data highway system

Publications (2)

Publication Number Publication Date
JPS5368046A true JPS5368046A (en) 1978-06-17
JPS575379B2 JPS575379B2 (ja) 1982-01-30

Family

ID=15326426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14290976A Granted JPS5368046A (en) 1976-11-30 1976-11-30 Loop-type data highway system

Country Status (1)

Country Link
JP (1) JPS5368046A (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5553943A (en) * 1978-10-17 1980-04-19 Nec Corp Folded connection control system for loop transmission line
JPS5719870A (en) * 1980-07-08 1982-02-02 Tokyo Electric Co Ltd On-line pos system
JPS5972254A (ja) * 1982-10-18 1984-04-24 Toyota Motor Corp 多重伝送装置の故障診断装置
US4506357A (en) * 1981-03-25 1985-03-19 Hitachi, Ltd. Method and apparatus for switching loop type transmission lines
US4542496A (en) * 1982-08-30 1985-09-17 Fujitsu Limited Loop transmission system and method of controlling the loop-back condition thereof
USRE37401E1 (en) 1990-05-09 2001-10-02 Fujitsu Limited Fault recovery system of a ring network
US7099578B1 (en) 1999-12-16 2006-08-29 Tellabs Operations Inc. 1:N protection in an optical terminal
US7715715B2 (en) 2000-06-22 2010-05-11 Tellabs Operations, Inc. Shared optical ring protection in a multi-fiber ring

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022505A (ja) * 1973-05-30 1975-03-11
JPS5044702A (ja) * 1973-07-25 1975-04-22

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5022505A (ja) * 1973-05-30 1975-03-11
JPS5044702A (ja) * 1973-07-25 1975-04-22

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5553943A (en) * 1978-10-17 1980-04-19 Nec Corp Folded connection control system for loop transmission line
JPS5719870A (en) * 1980-07-08 1982-02-02 Tokyo Electric Co Ltd On-line pos system
US4506357A (en) * 1981-03-25 1985-03-19 Hitachi, Ltd. Method and apparatus for switching loop type transmission lines
US4542496A (en) * 1982-08-30 1985-09-17 Fujitsu Limited Loop transmission system and method of controlling the loop-back condition thereof
JPS5972254A (ja) * 1982-10-18 1984-04-24 Toyota Motor Corp 多重伝送装置の故障診断装置
USRE37401E1 (en) 1990-05-09 2001-10-02 Fujitsu Limited Fault recovery system of a ring network
US7099578B1 (en) 1999-12-16 2006-08-29 Tellabs Operations Inc. 1:N protection in an optical terminal
US7613392B2 (en) 1999-12-16 2009-11-03 Tellabs Operations, Inc. 1:N protection in an optical terminal
US7715715B2 (en) 2000-06-22 2010-05-11 Tellabs Operations, Inc. Shared optical ring protection in a multi-fiber ring

Also Published As

Publication number Publication date
JPS575379B2 (ja) 1982-01-30

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