JPS5413202A - Check system for telephoe exchanging line - Google Patents

Check system for telephoe exchanging line

Info

Publication number
JPS5413202A
JPS5413202A JP7869077A JP7869077A JPS5413202A JP S5413202 A JPS5413202 A JP S5413202A JP 7869077 A JP7869077 A JP 7869077A JP 7869077 A JP7869077 A JP 7869077A JP S5413202 A JPS5413202 A JP S5413202A
Authority
JP
Japan
Prior art keywords
telephoe
check system
exchanging line
line
exchanging
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
JP7869077A
Other languages
Japanese (ja)
Other versions
JPS569819B2 (en
Inventor
Katsuo Suzuki
Mitsutoshi Nakano
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 JP7869077A priority Critical patent/JPS5413202A/en
Publication of JPS5413202A publication Critical patent/JPS5413202A/en
Publication of JPS569819B2 publication Critical patent/JPS569819B2/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
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To secure the line for data transmission and to increase the reliability of remote monitor, by performing the check of telephone line at a given time through the provision of a timer.
JP7869077A 1977-07-01 1977-07-01 Check system for telephoe exchanging line Granted JPS5413202A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7869077A JPS5413202A (en) 1977-07-01 1977-07-01 Check system for telephoe exchanging line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7869077A JPS5413202A (en) 1977-07-01 1977-07-01 Check system for telephoe exchanging line

Publications (2)

Publication Number Publication Date
JPS5413202A true JPS5413202A (en) 1979-01-31
JPS569819B2 JPS569819B2 (en) 1981-03-04

Family

ID=13668855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7869077A Granted JPS5413202A (en) 1977-07-01 1977-07-01 Check system for telephoe exchanging line

Country Status (1)

Country Link
JP (1) JPS5413202A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517134A (en) * 1982-12-27 1985-05-14 Nissan Motor Company, Ltd. Variable venturi carburetor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07212937A (en) * 1994-01-21 1995-08-11 Toenec Corp Detector for wiring metal fitting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517134A (en) * 1982-12-27 1985-05-14 Nissan Motor Company, Ltd. Variable venturi carburetor

Also Published As

Publication number Publication date
JPS569819B2 (en) 1981-03-04

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