JPS5438705A - Data transmission system - Google Patents

Data transmission system

Info

Publication number
JPS5438705A
JPS5438705A JP10559077A JP10559077A JPS5438705A JP S5438705 A JPS5438705 A JP S5438705A JP 10559077 A JP10559077 A JP 10559077A JP 10559077 A JP10559077 A JP 10559077A JP S5438705 A JPS5438705 A JP S5438705A
Authority
JP
Japan
Prior art keywords
data transmission
transmission system
disconnection
secure
cable
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
JP10559077A
Other languages
Japanese (ja)
Inventor
Kazunori Chiba
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP10559077A priority Critical patent/JPS5438705A/en
Publication of JPS5438705A publication Critical patent/JPS5438705A/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

Abstract

PURPOSE:To secure the data transmission in the data transmission system even in case the cable has disconnection at a certain area.
JP10559077A 1977-09-01 1977-09-01 Data transmission system Pending JPS5438705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10559077A JPS5438705A (en) 1977-09-01 1977-09-01 Data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10559077A JPS5438705A (en) 1977-09-01 1977-09-01 Data transmission system

Publications (1)

Publication Number Publication Date
JPS5438705A true JPS5438705A (en) 1979-03-23

Family

ID=14411703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10559077A Pending JPS5438705A (en) 1977-09-01 1977-09-01 Data transmission system

Country Status (1)

Country Link
JP (1) JPS5438705A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61127247A (en) * 1984-11-26 1986-06-14 Nec Corp Transmission line changeover system of communication system
JPS63128835A (en) * 1986-11-18 1988-06-01 Nec Corp Internal bus connection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61127247A (en) * 1984-11-26 1986-06-14 Nec Corp Transmission line changeover system of communication system
JPS63128835A (en) * 1986-11-18 1988-06-01 Nec Corp Internal bus connection system

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