JPS5947906B2 - ル−プ伝送システム - Google Patents

ル−プ伝送システム

Info

Publication number
JPS5947906B2
JPS5947906B2 JP55093924A JP9392480A JPS5947906B2 JP S5947906 B2 JPS5947906 B2 JP S5947906B2 JP 55093924 A JP55093924 A JP 55093924A JP 9392480 A JP9392480 A JP 9392480A JP S5947906 B2 JPS5947906 B2 JP S5947906B2
Authority
JP
Japan
Prior art keywords
message
loop
transmission
detour
control device
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.)
Expired
Application number
JP55093924A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5720053A (en
Inventor
欣司 森
廣一 井原
宏 松丸
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 JP55093924A priority Critical patent/JPS5947906B2/ja
Priority to FR8113559A priority patent/FR2486739B1/fr
Priority to US06/281,782 priority patent/US4380061A/en
Priority to DE19813127321 priority patent/DE3127321A1/de
Publication of JPS5720053A publication Critical patent/JPS5720053A/ja
Publication of JPS5947906B2 publication Critical patent/JPS5947906B2/ja
Expired 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
    • H04B1/745—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus using by-passing or self-healing methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
JP55093924A 1980-07-11 1980-07-11 ル−プ伝送システム Expired JPS5947906B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP55093924A JPS5947906B2 (ja) 1980-07-11 1980-07-11 ル−プ伝送システム
FR8113559A FR2486739B1 (fr) 1980-07-11 1981-07-09 Systeme de transmission en boucle muni d'un agencement d'acheminement de messages par contournement
US06/281,782 US4380061A (en) 1980-07-11 1981-07-09 Loop transmission system with improved bypass routing arrangement
DE19813127321 DE3127321A1 (de) 1980-07-11 1981-07-10 Schleifenuebertragungssystem mit verbesserter bypassweg-anordnung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55093924A JPS5947906B2 (ja) 1980-07-11 1980-07-11 ル−プ伝送システム

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP59110743A Division JPS6022848A (ja) 1984-06-01 1984-06-01 情報伝送システムにおける伝送方法

Publications (2)

Publication Number Publication Date
JPS5720053A JPS5720053A (en) 1982-02-02
JPS5947906B2 true JPS5947906B2 (ja) 1984-11-22

Family

ID=14095988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55093924A Expired JPS5947906B2 (ja) 1980-07-11 1980-07-11 ル−プ伝送システム

Country Status (4)

Country Link
US (1) US4380061A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5947906B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3127321A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2486739B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56169450A (en) * 1980-05-30 1981-12-26 Agency Of Ind Science & Technol Double hair pin type network system
JPS608667B2 (ja) * 1980-10-09 1985-03-05 株式会社明電舎 ル−プ式デ−タハイウエイシステム
AU552312B2 (en) * 1982-02-08 1986-05-29 Racal-Milgo Limited Communication system
US4464658A (en) * 1982-03-05 1984-08-07 At&T Laboratories Multipoint data communication system with collision detection
JPS58175335A (ja) * 1982-04-07 1983-10-14 Hitachi Ltd ル−プ式デ−タ伝送システムのル−プバツク制御方法
DE3232133A1 (de) * 1982-08-28 1984-03-01 Informatik Beratungsgesellschaft für Informationsverarbeitung Realtime-Systeme Prozeßsteuerung mbH, 7000 Stuttgart Informationsverbundsystem
BE895438A (nl) * 1982-12-22 1983-06-22 Bell Telephone Mfg Communicatiestelsel met meerdere ringen
JPS59158154A (ja) * 1983-02-28 1984-09-07 Nec Corp ル−プバツク方式
JPS59172861A (ja) * 1983-03-22 1984-09-29 Toshiba Corp ル−プバツク制御方式
US4527270A (en) * 1983-05-04 1985-07-02 Allen-Bradley Company Communications network with stations that detect and automatically bypass faults
EP0135037B1 (en) * 1983-07-21 1989-06-07 Hitachi, Ltd. Structure detecting method for circular type transmission system
JPS6065642A (ja) * 1983-09-21 1985-04-15 Yokogawa Hokushin Electric Corp 冗長化デ−タ通信システム
US4597078A (en) * 1983-10-19 1986-06-24 Digital Equipment Corporation Bridge circuit for interconnecting networks
JP2644718B2 (ja) * 1983-12-28 1997-08-25 株式会社日立製作所 コンピュータシステム
US4633246A (en) * 1984-01-09 1986-12-30 Fiberlan, Inc. Time divison multiplex ring
US4561088A (en) * 1984-02-13 1985-12-24 Fmc Corporation Communication system bypass architecture
US4663748A (en) * 1984-04-12 1987-05-05 Unisearch Limited Local area network
US4575842A (en) * 1984-05-14 1986-03-11 The United States Of America As Represented By The Secretary Of The Air Force Survivable local area network
US4683563A (en) * 1984-10-11 1987-07-28 American Telephone And Telegraph Company, At&T Bell Laboratories Data communication network
ZA883232B (en) * 1987-05-06 1989-07-26 Dowd Research Pty Ltd O Packet switches,switching methods,protocols and networks
US4780869A (en) * 1987-05-20 1988-10-25 Allen-Bradley Company, Inc. Local area network redundancy system
JPH01145701A (ja) * 1987-12-01 1989-06-07 Mitsubishi Electric Corp プログラマブルコントローラのデータリンクシステム
FR2639166B1 (fr) * 1988-11-14 1990-12-14 Cit Alcatel Systeme d'echange de messages en temps reel entre stations reliees par une liaison en boucle, notamment entre stations d'un central de telecommunications
US5113398A (en) * 1989-06-01 1992-05-12 Shackleton System Drives Corporation Self-healing data network and network node controller
US5241540A (en) * 1991-07-31 1993-08-31 International Business Machines Corporation Reverse ordered control information transmission
US5485465A (en) * 1992-05-20 1996-01-16 The Whitaker Corporation Redundancy control for a broadcast data transmission system
DE4242438C2 (de) * 1992-12-16 1995-04-06 Magnetbahn Gmbh Vorrichtung zur Ausnutzung der Redundanz bei Datenringen in Doppelringtopologie
US5694546A (en) 1994-05-31 1997-12-02 Reisman; Richard R. System for automatic unattended electronic information transport between a server and a client by a vendor provided transport software with a manifest list
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
JPH11355868A (ja) * 1998-06-05 1999-12-24 Fujitsu Ltd 交換装置
US10489449B2 (en) 2002-05-23 2019-11-26 Gula Consulting Limited Liability Company Computer accepting voice input and/or generating audible output
US8611919B2 (en) 2002-05-23 2013-12-17 Wounder Gmbh., Llc System, method, and computer program product for providing location based services and mobile e-commerce

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519750A (en) * 1967-08-15 1970-07-07 Ultronic Systems Corp Synchronous digital multiplex communication system including switchover
GB1229149A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1969-07-28 1971-04-21
USRE28958E (en) 1973-05-30 1976-09-07 International Business Machines Corporation Synchronous disconnection and rearrangement
CH584492A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-12-10 1977-01-31 Hasler Ag
GB1510462A (en) * 1975-04-15 1978-05-10 Hawker Siddeley Dynamics Eng Data transmission systems
US4009469A (en) * 1975-12-19 1977-02-22 Ibm Corporation Loop communications system with method and apparatus for switch to secondary loop
US4190821A (en) * 1978-10-02 1980-02-26 Burroughs Corporation Self-healing loop communications system
JPS5847111B2 (ja) * 1979-09-10 1983-10-20 株式会社日立製作所 ル−プ伝送システム

Also Published As

Publication number Publication date
FR2486739B1 (fr) 1985-12-06
US4380061A (en) 1983-04-12
JPS5720053A (en) 1982-02-02
DE3127321C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-09-15
FR2486739A1 (fr) 1982-01-15
DE3127321A1 (de) 1982-04-01

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