JPS58146194A - 加入者線路監視方式 - Google Patents

加入者線路監視方式

Info

Publication number
JPS58146194A
JPS58146194A JP2842382A JP2842382A JPS58146194A JP S58146194 A JPS58146194 A JP S58146194A JP 2842382 A JP2842382 A JP 2842382A JP 2842382 A JP2842382 A JP 2842382A JP S58146194 A JPS58146194 A JP S58146194A
Authority
JP
Japan
Prior art keywords
line
subscriber line
relay
signal relay
subscriber
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
JP2842382A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0230620B2 (2
Inventor
Hisashi Morikawa
久 森川
Takashi Matsuda
孝 松田
Susumu Eda
江田 晋
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 JP2842382A priority Critical patent/JPS58146194A/ja
Publication of JPS58146194A publication Critical patent/JPS58146194A/ja
Publication of JPH0230620B2 publication Critical patent/JPH0230620B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30Automatic 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)
JP2842382A 1982-02-24 1982-02-24 加入者線路監視方式 Granted JPS58146194A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2842382A JPS58146194A (ja) 1982-02-24 1982-02-24 加入者線路監視方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2842382A JPS58146194A (ja) 1982-02-24 1982-02-24 加入者線路監視方式

Publications (2)

Publication Number Publication Date
JPS58146194A true JPS58146194A (ja) 1983-08-31
JPH0230620B2 JPH0230620B2 (2) 1990-07-09

Family

ID=12248245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2842382A Granted JPS58146194A (ja) 1982-02-24 1982-02-24 加入者線路監視方式

Country Status (1)

Country Link
JP (1) JPS58146194A (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0213340U (2) * 1988-07-06 1990-01-26

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS519313A (ja) * 1974-07-11 1976-01-26 Fujitsu Ltd Ruupukanshihoshiki
JPS54175215U (2) * 1978-05-30 1979-12-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS519313A (ja) * 1974-07-11 1976-01-26 Fujitsu Ltd Ruupukanshihoshiki
JPS54175215U (2) * 1978-05-30 1979-12-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0213340U (2) * 1988-07-06 1990-01-26

Also Published As

Publication number Publication date
JPH0230620B2 (2) 1990-07-09

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