JPS56169464A - Failure detecting system for selective signal transmitter and receiver - Google Patents

Failure detecting system for selective signal transmitter and receiver

Info

Publication number
JPS56169464A
JPS56169464A JP7219680A JP7219680A JPS56169464A JP S56169464 A JPS56169464 A JP S56169464A JP 7219680 A JP7219680 A JP 7219680A JP 7219680 A JP7219680 A JP 7219680A JP S56169464 A JPS56169464 A JP S56169464A
Authority
JP
Japan
Prior art keywords
selection signal
receiver
signal transmitter
failure
channel
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
JP7219680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6155306B2 (cs
Inventor
Takaaki Sato
Yuji Matsuo
Hiroshi Konishi
Manabu Amaike
Hideo Konakawa
Haruki Taguchi
Fumiaki Orui
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
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP7219680A priority Critical patent/JPS56169464A/ja
Publication of JPS56169464A publication Critical patent/JPS56169464A/ja
Publication of JPS6155306B2 publication Critical patent/JPS6155306B2/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)
JP7219680A 1980-05-30 1980-05-30 Failure detecting system for selective signal transmitter and receiver Granted JPS56169464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7219680A JPS56169464A (en) 1980-05-30 1980-05-30 Failure detecting system for selective signal transmitter and receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7219680A JPS56169464A (en) 1980-05-30 1980-05-30 Failure detecting system for selective signal transmitter and receiver

Publications (2)

Publication Number Publication Date
JPS56169464A true JPS56169464A (en) 1981-12-26
JPS6155306B2 JPS6155306B2 (cs) 1986-11-27

Family

ID=13482220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7219680A Granted JPS56169464A (en) 1980-05-30 1980-05-30 Failure detecting system for selective signal transmitter and receiver

Country Status (1)

Country Link
JP (1) JPS56169464A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0448851A (ja) * 1990-06-18 1992-02-18 Oki Electric Ind Co Ltd ボイスディジタイザの試験方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0448851A (ja) * 1990-06-18 1992-02-18 Oki Electric Ind Co Ltd ボイスディジタイザの試験方式

Also Published As

Publication number Publication date
JPS6155306B2 (cs) 1986-11-27

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