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JPS5392603A - Line branching unit - Google Patents

Line branching unit

Info

Publication number
JPS5392603A
JPS5392603A JP736777A JP736777A JPS5392603A JP S5392603 A JPS5392603 A JP S5392603A JP 736777 A JP736777 A JP 736777A JP 736777 A JP736777 A JP 736777A JP S5392603 A JPS5392603 A JP S5392603A
Authority
JP
Japan
Prior art keywords
branching unit
line branching
modem
terminal unit
stage terminal
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
JP736777A
Other languages
Japanese (ja)
Inventor
Akio Shimoda
Yasuhiko Saito
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP736777A priority Critical patent/JPS5392603A/en
Publication of JPS5392603A publication Critical patent/JPS5392603A/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)
  • Communication Control (AREA)

Abstract

PURPOSE:To prevent the next-stage terminal units from disconnecting from a line even if power source of the terminal unit near a modem is cut off, by shorting automatically an interface signal from the modem from the next-stage terminal unit.
JP736777A 1977-01-25 1977-01-25 Line branching unit Pending JPS5392603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP736777A JPS5392603A (en) 1977-01-25 1977-01-25 Line branching unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP736777A JPS5392603A (en) 1977-01-25 1977-01-25 Line branching unit

Publications (1)

Publication Number Publication Date
JPS5392603A true JPS5392603A (en) 1978-08-14

Family

ID=11663991

Family Applications (1)

Application Number Title Priority Date Filing Date
JP736777A Pending JPS5392603A (en) 1977-01-25 1977-01-25 Line branching unit

Country Status (1)

Country Link
JP (1) JPS5392603A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750149A (en) * 1980-07-15 1982-03-24 Westinghouse Electric Corp Data transmitter
JPS58163661U (en) * 1982-04-28 1983-10-31 株式会社クボタ Gas engine fuel gas supply device
JPS59114682U (en) * 1983-01-21 1984-08-02 沖電気工業株式会社 Connection route switching circuit
JPS60201758A (en) * 1984-03-27 1985-10-12 Seika Sangyo Kk Data transmission method
JPS60201757A (en) * 1984-03-27 1985-10-12 Seika Sangyo Kk transmission device
JPH0191547A (en) * 1987-06-09 1989-04-11 Fujitsu Ltd common bus system
JPH02241154A (en) * 1989-03-14 1990-09-25 Fujitsu Ltd Communications system
JPH0356919U (en) * 1989-10-07 1991-05-31

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123241A (en) * 1974-03-15 1975-09-27
JPS52111A (en) * 1975-06-23 1977-01-05 Hitachi Ltd Channel switching system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123241A (en) * 1974-03-15 1975-09-27
JPS52111A (en) * 1975-06-23 1977-01-05 Hitachi Ltd Channel switching system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750149A (en) * 1980-07-15 1982-03-24 Westinghouse Electric Corp Data transmitter
JPS58163661U (en) * 1982-04-28 1983-10-31 株式会社クボタ Gas engine fuel gas supply device
JPS59114682U (en) * 1983-01-21 1984-08-02 沖電気工業株式会社 Connection route switching circuit
JPS60201758A (en) * 1984-03-27 1985-10-12 Seika Sangyo Kk Data transmission method
JPS60201757A (en) * 1984-03-27 1985-10-12 Seika Sangyo Kk transmission device
JPH0191547A (en) * 1987-06-09 1989-04-11 Fujitsu Ltd common bus system
JPH02241154A (en) * 1989-03-14 1990-09-25 Fujitsu Ltd Communications system
JPH0356919U (en) * 1989-10-07 1991-05-31

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