JPS5936469A - 電話回線の復旧方式 - Google Patents

電話回線の復旧方式

Info

Publication number
JPS5936469A
JPS5936469A JP14595282A JP14595282A JPS5936469A JP S5936469 A JPS5936469 A JP S5936469A JP 14595282 A JP14595282 A JP 14595282A JP 14595282 A JP14595282 A JP 14595282A JP S5936469 A JPS5936469 A JP S5936469A
Authority
JP
Japan
Prior art keywords
relay
telephone line
power supply
earth
circuit
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
JP14595282A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0233220B2 (enrdf_load_stackoverflow
Inventor
Kazuhiro Yoneda
米田　和裕
Takashi Nagato
多佳司 永戸
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP14595282A priority Critical patent/JPS5936469A/ja
Publication of JPS5936469A publication Critical patent/JPS5936469A/ja
Publication of JPH0233220B2 publication Critical patent/JPH0233220B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/244—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP14595282A 1982-08-23 1982-08-23 電話回線の復旧方式 Granted JPS5936469A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14595282A JPS5936469A (ja) 1982-08-23 1982-08-23 電話回線の復旧方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14595282A JPS5936469A (ja) 1982-08-23 1982-08-23 電話回線の復旧方式

Publications (2)

Publication Number Publication Date
JPS5936469A true JPS5936469A (ja) 1984-02-28
JPH0233220B2 JPH0233220B2 (enrdf_load_stackoverflow) 1990-07-26

Family

ID=15396824

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14595282A Granted JPS5936469A (ja) 1982-08-23 1982-08-23 電話回線の復旧方式

Country Status (1)

Country Link
JP (1) JPS5936469A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03126684U (enrdf_load_stackoverflow) * 1990-03-31 1991-12-20

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0743766U (ja) * 1993-05-31 1995-09-12 栄 伊吹 手づくり自然

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4415374Y1 (enrdf_load_stackoverflow) * 1968-01-18 1969-07-03
JPS56154864A (en) * 1980-04-30 1981-11-30 Fujitsu Ltd Control system for switchboard

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4415374Y1 (enrdf_load_stackoverflow) * 1968-01-18 1969-07-03
JPS56154864A (en) * 1980-04-30 1981-11-30 Fujitsu Ltd Control system for switchboard

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03126684U (enrdf_load_stackoverflow) * 1990-03-31 1991-12-20

Also Published As

Publication number Publication date
JPH0233220B2 (enrdf_load_stackoverflow) 1990-07-26

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