JPS55158765A - Test method for subscriber circuit - Google Patents

Test method for subscriber circuit

Info

Publication number
JPS55158765A
JPS55158765A JP6492979A JP6492979A JPS55158765A JP S55158765 A JPS55158765 A JP S55158765A JP 6492979 A JP6492979 A JP 6492979A JP 6492979 A JP6492979 A JP 6492979A JP S55158765 A JPS55158765 A JP S55158765A
Authority
JP
Japan
Prior art keywords
subscriber
circuit
ltf
tested
sdet
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
JP6492979A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6237861B2 (enExample
Inventor
Keiichi Takano
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 JP6492979A priority Critical patent/JPS55158765A/ja
Publication of JPS55158765A publication Critical patent/JPS55158765A/ja
Publication of JPS6237861B2 publication Critical patent/JPS6237861B2/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
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP6492979A 1979-05-28 1979-05-28 Test method for subscriber circuit Granted JPS55158765A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6492979A JPS55158765A (en) 1979-05-28 1979-05-28 Test method for subscriber circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6492979A JPS55158765A (en) 1979-05-28 1979-05-28 Test method for subscriber circuit

Publications (2)

Publication Number Publication Date
JPS55158765A true JPS55158765A (en) 1980-12-10
JPS6237861B2 JPS6237861B2 (enExample) 1987-08-14

Family

ID=13272211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6492979A Granted JPS55158765A (en) 1979-05-28 1979-05-28 Test method for subscriber circuit

Country Status (1)

Country Link
JP (1) JPS55158765A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62232243A (ja) * 1986-04-02 1987-10-12 Oki Electric Ind Co Ltd 加入者回線の異常検出装置
JPH01311661A (ja) * 1988-06-09 1989-12-15 Nikko Denki Seisakusho:Kk 加入者回線試験器
JPH03175865A (ja) * 1989-12-05 1991-07-30 Aoki Densetsu:Kk 電話機試験システム
JPH03175866A (ja) * 1989-12-05 1991-07-30 Aoki Densetsu:Kk 保安器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360501A (en) * 1976-11-12 1978-05-31 Anritsu Electric Co Ltd Automatic transmission and receiving controller

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360501A (en) * 1976-11-12 1978-05-31 Anritsu Electric Co Ltd Automatic transmission and receiving controller

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62232243A (ja) * 1986-04-02 1987-10-12 Oki Electric Ind Co Ltd 加入者回線の異常検出装置
JPH01311661A (ja) * 1988-06-09 1989-12-15 Nikko Denki Seisakusho:Kk 加入者回線試験器
JPH03175865A (ja) * 1989-12-05 1991-07-30 Aoki Densetsu:Kk 電話機試験システム
JPH03175866A (ja) * 1989-12-05 1991-07-30 Aoki Densetsu:Kk 保安器

Also Published As

Publication number Publication date
JPS6237861B2 (enExample) 1987-08-14

Similar Documents

Publication Publication Date Title
JPS55117357A (en) Time-division multiplex communication system
JPS55158765A (en) Test method for subscriber circuit
JPS56169482A (en) Test system for terminal device in catv system
JPS55136759A (en) Line test system
JPS5514716A (en) Remote test system for data transmission system
JPS533718A (en) Fault test system of terminal station in time division multiple connecting communication system
JPS5635546A (en) Car telephone terminal unit
JPS534403A (en) Terminal equipment circuit block for monitor control transmission system
JPS57181251A (en) Data transmission system
JPS5283009A (en) Connecting system for incoming during communication
JPS5799858A (en) Public terminal communication system
JPS5432938A (en) Test monitor system of on-line data communication system
JPS5624856A (en) Extension call detecting system for key telephone system
JPS5220702A (en) Data terminal equipment
JPS54162905A (en) Radiotelephony equipment
JPS57106260A (en) Loop transmission system
JPS533017A (en) Fault test system for terminal station reception part of time division multi-connection communication system
JPS5650693A (en) System indirect connection system for key telephone device
JPS561694A (en) Information transmission system for key telephone equipment
JPS54106114A (en) Information transmission system
JPS5452434A (en) Sequence circuit
JPS6423175A (en) Logic circuit testing machine
JPS6467096A (en) Telemeter data collecting system
JPS54158111A (en) Connection device
JPS5660169A (en) Coin receipt system of public facsimile terminal device