JPS5432906A - Swiching unit - Google Patents

Swiching unit

Info

Publication number
JPS5432906A
JPS5432906A JP9920477A JP9920477A JPS5432906A JP S5432906 A JPS5432906 A JP S5432906A JP 9920477 A JP9920477 A JP 9920477A JP 9920477 A JP9920477 A JP 9920477A JP S5432906 A JPS5432906 A JP S5432906A
Authority
JP
Japan
Prior art keywords
unit
swiching
counter
reliability
improve
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
JP9920477A
Other languages
Japanese (ja)
Inventor
Shigeo Nakatsuka
Mitsuhiro Ishizaka
Takane Kakuno
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 JP9920477A priority Critical patent/JPS5432906A/en
Publication of JPS5432906A publication Critical patent/JPS5432906A/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 improve the reliability of transmission line switching operation by providing a decision circuit and a counter for control bits in the local office unit in plural loop-shaped transmission lines.
JP9920477A 1977-08-19 1977-08-19 Swiching unit Pending JPS5432906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9920477A JPS5432906A (en) 1977-08-19 1977-08-19 Swiching unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9920477A JPS5432906A (en) 1977-08-19 1977-08-19 Swiching unit

Publications (1)

Publication Number Publication Date
JPS5432906A true JPS5432906A (en) 1979-03-10

Family

ID=14241110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9920477A Pending JPS5432906A (en) 1977-08-19 1977-08-19 Swiching unit

Country Status (1)

Country Link
JP (1) JPS5432906A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59209927A (en) * 1983-05-06 1984-11-28 デンプスタ−・システムズ・インコ−ポレイテツド Hoist mechanism for truck or trailer type automobile
JPS63238734A (en) * 1987-03-26 1988-10-04 Nec Corp Loop integrating system at time of rise of data transmitting equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59209927A (en) * 1983-05-06 1984-11-28 デンプスタ−・システムズ・インコ−ポレイテツド Hoist mechanism for truck or trailer type automobile
JPS63238734A (en) * 1987-03-26 1988-10-04 Nec Corp Loop integrating system at time of rise of data transmitting equipment

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