JPS52109303A - By-pass change-over system - Google Patents

By-pass change-over system

Info

Publication number
JPS52109303A
JPS52109303A JP2509876A JP2509876A JPS52109303A JP S52109303 A JPS52109303 A JP S52109303A JP 2509876 A JP2509876 A JP 2509876A JP 2509876 A JP2509876 A JP 2509876A JP S52109303 A JPS52109303 A JP S52109303A
Authority
JP
Japan
Prior art keywords
over system
pass change
station
change
pass
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
JP2509876A
Other languages
Japanese (ja)
Inventor
Kunio Suzuki
Koichiro Ishida
Tatsuo Matsuida
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 JP2509876A priority Critical patent/JPS52109303A/en
Publication of JPS52109303A publication Critical patent/JPS52109303A/en
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)
  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To provide a change over system to improve reliability of a system and transmission efficiency automatically separating the station in trouble by providing a failure detecting device at respective station in a data high way.
JP2509876A 1976-03-10 1976-03-10 By-pass change-over system Pending JPS52109303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2509876A JPS52109303A (en) 1976-03-10 1976-03-10 By-pass change-over system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2509876A JPS52109303A (en) 1976-03-10 1976-03-10 By-pass change-over system

Publications (1)

Publication Number Publication Date
JPS52109303A true JPS52109303A (en) 1977-09-13

Family

ID=12156443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2509876A Pending JPS52109303A (en) 1976-03-10 1976-03-10 By-pass change-over system

Country Status (1)

Country Link
JP (1) JPS52109303A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6313541A (en) * 1986-07-05 1988-01-20 Nec Corp Data bypass circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879914A (en) * 1972-01-26 1973-10-26 Nippon Electric Co
JPS4940640A (en) * 1972-08-24 1974-04-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4879914A (en) * 1972-01-26 1973-10-26 Nippon Electric Co
JPS4940640A (en) * 1972-08-24 1974-04-16

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6313541A (en) * 1986-07-05 1988-01-20 Nec Corp Data bypass circuit
JPH0644764B2 (en) * 1986-07-05 1994-06-08 日本電気株式会社 Data transmission system

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