JPS51112219A - Circuit test equipment - Google Patents

Circuit test equipment

Info

Publication number
JPS51112219A
JPS51112219A JP50036724A JP3672475A JPS51112219A JP S51112219 A JPS51112219 A JP S51112219A JP 50036724 A JP50036724 A JP 50036724A JP 3672475 A JP3672475 A JP 3672475A JP S51112219 A JPS51112219 A JP S51112219A
Authority
JP
Japan
Prior art keywords
test equipment
circuit test
circuit
audio response
fault
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
JP50036724A
Other languages
Japanese (ja)
Other versions
JPS552118B2 (en
Inventor
Tomonori Sugiyama
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 JP50036724A priority Critical patent/JPS51112219A/en
Publication of JPS51112219A publication Critical patent/JPS51112219A/en
Publication of JPS552118B2 publication Critical patent/JPS552118B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

PURPOSE:To early detect a fault in a section answering to a circuit of an audio response unit and stop an audio response to the faulty circuit and change connection to the other circuit.
JP50036724A 1975-03-28 1975-03-28 Circuit test equipment Granted JPS51112219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50036724A JPS51112219A (en) 1975-03-28 1975-03-28 Circuit test equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50036724A JPS51112219A (en) 1975-03-28 1975-03-28 Circuit test equipment

Publications (2)

Publication Number Publication Date
JPS51112219A true JPS51112219A (en) 1976-10-04
JPS552118B2 JPS552118B2 (en) 1980-01-18

Family

ID=12477683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50036724A Granted JPS51112219A (en) 1975-03-28 1975-03-28 Circuit test equipment

Country Status (1)

Country Link
JP (1) JPS51112219A (en)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
THE BELL SYSTEM TECHNICAL JOURNAL=1964 *

Also Published As

Publication number Publication date
JPS552118B2 (en) 1980-01-18

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