JPH0572784B2 - - Google Patents

Info

Publication number
JPH0572784B2
JPH0572784B2 JP2180484A JP2180484A JPH0572784B2 JP H0572784 B2 JPH0572784 B2 JP H0572784B2 JP 2180484 A JP2180484 A JP 2180484A JP 2180484 A JP2180484 A JP 2180484A JP H0572784 B2 JPH0572784 B2 JP H0572784B2
Authority
JP
Japan
Prior art keywords
line
switching
handling unit
backup
operation mode
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 - Lifetime
Application number
JP2180484A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60167543A (ja
Inventor
Ryuichi Toki
Minoru Sugano
Zenichi Yashiro
Hiroyuki Ichikawa
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
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone 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 Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP59021804A priority Critical patent/JPS60167543A/ja
Publication of JPS60167543A publication Critical patent/JPS60167543A/ja
Publication of JPH0572784B2 publication Critical patent/JPH0572784B2/ja
Granted 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
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
JP59021804A 1984-02-10 1984-02-10 回線切替方式 Granted JPS60167543A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59021804A JPS60167543A (ja) 1984-02-10 1984-02-10 回線切替方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59021804A JPS60167543A (ja) 1984-02-10 1984-02-10 回線切替方式

Publications (2)

Publication Number Publication Date
JPS60167543A JPS60167543A (ja) 1985-08-30
JPH0572784B2 true JPH0572784B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-10-13

Family

ID=12065239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59021804A Granted JPS60167543A (ja) 1984-02-10 1984-02-10 回線切替方式

Country Status (1)

Country Link
JP (1) JPS60167543A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS60167543A (ja) 1985-08-30

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