JPS57136849A - Remote subscriber line testing system - Google Patents

Remote subscriber line testing system

Info

Publication number
JPS57136849A
JPS57136849A JP2256681A JP2256681A JPS57136849A JP S57136849 A JPS57136849 A JP S57136849A JP 2256681 A JP2256681 A JP 2256681A JP 2256681 A JP2256681 A JP 2256681A JP S57136849 A JPS57136849 A JP S57136849A
Authority
JP
Japan
Prior art keywords
lte
subscriber line
link
test
trunk
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.)
Pending
Application number
JP2256681A
Other languages
English (en)
Inventor
Yasuo Kobayashi
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 JP2256681A priority Critical patent/JPS57136849A/ja
Publication of JPS57136849A publication Critical patent/JPS57136849A/ja
Pending 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
    • 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
    • H04M3/301—Circuit arrangements at the subscriber's side of the line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP2256681A 1981-02-18 1981-02-18 Remote subscriber line testing system Pending JPS57136849A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2256681A JPS57136849A (en) 1981-02-18 1981-02-18 Remote subscriber line testing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2256681A JPS57136849A (en) 1981-02-18 1981-02-18 Remote subscriber line testing system

Publications (1)

Publication Number Publication Date
JPS57136849A true JPS57136849A (en) 1982-08-24

Family

ID=12086417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2256681A Pending JPS57136849A (en) 1981-02-18 1981-02-18 Remote subscriber line testing system

Country Status (1)

Country Link
JP (1) JPS57136849A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6484958A (en) * 1987-09-25 1989-03-30 Nec Corp System for remote centralized test

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132924A (en) * 1977-04-25 1978-11-20 Nec Corp Remote control system
JPS55105465A (en) * 1979-02-06 1980-08-13 Nec Corp Test system for remote station subscriber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132924A (en) * 1977-04-25 1978-11-20 Nec Corp Remote control system
JPS55105465A (en) * 1979-02-06 1980-08-13 Nec Corp Test system for remote station subscriber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6484958A (en) * 1987-09-25 1989-03-30 Nec Corp System for remote centralized test

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