JPH0457149B2 - - Google Patents

Info

Publication number
JPH0457149B2
JPH0457149B2 JP2181084A JP2181084A JPH0457149B2 JP H0457149 B2 JPH0457149 B2 JP H0457149B2 JP 2181084 A JP2181084 A JP 2181084A JP 2181084 A JP2181084 A JP 2181084A JP H0457149 B2 JPH0457149 B2 JP H0457149B2
Authority
JP
Japan
Prior art keywords
line
switching
handling unit
backup
signal
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
JP2181084A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60167545A (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 JP59021810A priority Critical patent/JPS60167545A/ja
Publication of JPS60167545A publication Critical patent/JPS60167545A/ja
Publication of JPH0457149B2 publication Critical patent/JPH0457149B2/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)
JP59021810A 1984-02-10 1984-02-10 回線切替方式 Granted JPS60167545A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59021810A JPS60167545A (ja) 1984-02-10 1984-02-10 回線切替方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59021810A JPS60167545A (ja) 1984-02-10 1984-02-10 回線切替方式

Publications (2)

Publication Number Publication Date
JPS60167545A JPS60167545A (ja) 1985-08-30
JPH0457149B2 true JPH0457149B2 (enrdf_load_stackoverflow) 1992-09-10

Family

ID=12065408

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59021810A Granted JPS60167545A (ja) 1984-02-10 1984-02-10 回線切替方式

Country Status (1)

Country Link
JP (1) JPS60167545A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS60167545A (ja) 1985-08-30

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