JPH0230620B2 - - Google Patents

Info

Publication number
JPH0230620B2
JPH0230620B2 JP57028423A JP2842382A JPH0230620B2 JP H0230620 B2 JPH0230620 B2 JP H0230620B2 JP 57028423 A JP57028423 A JP 57028423A JP 2842382 A JP2842382 A JP 2842382A JP H0230620 B2 JPH0230620 B2 JP H0230620B2
Authority
JP
Japan
Prior art keywords
signal relay
subscriber line
relay device
exchange
signal
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.)
Expired - Lifetime
Application number
JP57028423A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58146194A (ja
Inventor
Hisashi Morikawa
Takashi Matsuda
Susumu Eda
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

    • 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)
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 JPS58146194A (ja) 1983-08-31
JPH0230620B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0724834Y2 (ja) * 1988-07-06 1995-06-05 株式会社大興電機製作所 回線との接続状態を表示する端末装置

Family Cites Families (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

Also Published As

Publication number Publication date
JPS58146194A (ja) 1983-08-31

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