JPS5654152A - Failure detection system for mfc signal device - Google Patents

Failure detection system for mfc signal device

Info

Publication number
JPS5654152A
JPS5654152A JP12952579A JP12952579A JPS5654152A JP S5654152 A JPS5654152 A JP S5654152A JP 12952579 A JP12952579 A JP 12952579A JP 12952579 A JP12952579 A JP 12952579A JP S5654152 A JPS5654152 A JP S5654152A
Authority
JP
Japan
Prior art keywords
signal
backward
mfc
transmission
reception
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
JP12952579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6240897B2 (enrdf_load_stackoverflow
Inventor
Tahei Suzuki
Yoshiro Hasegawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12952579A priority Critical patent/JPS5654152A/ja
Publication of JPS5654152A publication Critical patent/JPS5654152A/ja
Publication of JPS6240897B2 publication Critical patent/JPS6240897B2/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
    • H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • H04M3/326—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges for registers and translators

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP12952579A 1979-10-09 1979-10-09 Failure detection system for mfc signal device Granted JPS5654152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12952579A JPS5654152A (en) 1979-10-09 1979-10-09 Failure detection system for mfc signal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12952579A JPS5654152A (en) 1979-10-09 1979-10-09 Failure detection system for mfc signal device

Publications (2)

Publication Number Publication Date
JPS5654152A true JPS5654152A (en) 1981-05-14
JPS6240897B2 JPS6240897B2 (enrdf_load_stackoverflow) 1987-08-31

Family

ID=15011653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12952579A Granted JPS5654152A (en) 1979-10-09 1979-10-09 Failure detection system for mfc signal device

Country Status (1)

Country Link
JP (1) JPS5654152A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61198854A (ja) * 1985-02-27 1986-09-03 Oki Electric Ind Co Ltd Ｍｆｃ信号試験機

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03124497U (enrdf_load_stackoverflow) * 1990-02-23 1991-12-17

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178107A (ja) * 1974-12-27 1976-07-07 Fujitsu Ltd Chaneruhenkansochishikenhoshiki

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178107A (ja) * 1974-12-27 1976-07-07 Fujitsu Ltd Chaneruhenkansochishikenhoshiki

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61198854A (ja) * 1985-02-27 1986-09-03 Oki Electric Ind Co Ltd Ｍｆｃ信号試験機

Also Published As

Publication number Publication date
JPS6240897B2 (enrdf_load_stackoverflow) 1987-08-31

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