JPS575460A - Line switching system - Google Patents

Line switching system

Info

Publication number
JPS575460A
JPS575460A JP7937280A JP7937280A JPS575460A JP S575460 A JPS575460 A JP S575460A JP 7937280 A JP7937280 A JP 7937280A JP 7937280 A JP7937280 A JP 7937280A JP S575460 A JPS575460 A JP S575460A
Authority
JP
Japan
Prior art keywords
failure
line
transmission
nonuse
transmission line
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.)
Granted
Application number
JP7937280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6364934B2 (enrdf_load_stackoverflow
Inventor
Kosuke Ishiyama
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 JP7937280A priority Critical patent/JPS575460A/ja
Publication of JPS575460A publication Critical patent/JPS575460A/ja
Publication of JPS6364934B2 publication Critical patent/JPS6364934B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP7937280A 1980-06-12 1980-06-12 Line switching system Granted JPS575460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7937280A JPS575460A (en) 1980-06-12 1980-06-12 Line switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7937280A JPS575460A (en) 1980-06-12 1980-06-12 Line switching system

Publications (2)

Publication Number Publication Date
JPS575460A true JPS575460A (en) 1982-01-12
JPS6364934B2 JPS6364934B2 (enrdf_load_stackoverflow) 1988-12-14

Family

ID=13688035

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7937280A Granted JPS575460A (en) 1980-06-12 1980-06-12 Line switching system

Country Status (1)

Country Link
JP (1) JPS575460A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63104560A (ja) * 1986-10-21 1988-05-10 Fujitsu Ltd 固定回線設定システム
JPH01116449A (ja) * 1987-10-30 1989-05-09 Idemitsu Kosan Co Ltd 化合物の分析方法及び分析装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63104560A (ja) * 1986-10-21 1988-05-10 Fujitsu Ltd 固定回線設定システム
JPH01116449A (ja) * 1987-10-30 1989-05-09 Idemitsu Kosan Co Ltd 化合物の分析方法及び分析装置

Also Published As

Publication number Publication date
JPS6364934B2 (enrdf_load_stackoverflow) 1988-12-14

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