JPS51136221A - Mass testing for common control auto- switchboard - Google Patents

Mass testing for common control auto- switchboard

Info

Publication number
JPS51136221A
JPS51136221A JP5971875A JP5971875A JPS51136221A JP S51136221 A JPS51136221 A JP S51136221A JP 5971875 A JP5971875 A JP 5971875A JP 5971875 A JP5971875 A JP 5971875A JP S51136221 A JPS51136221 A JP S51136221A
Authority
JP
Japan
Prior art keywords
switchboard
common control
mass testing
control auto
mass
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.)
Pending
Application number
JP5971875A
Other languages
English (en)
Inventor
Kazuo Yoshida
Hiroshi Chikira
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 JP5971875A priority Critical patent/JPS51136221A/ja
Publication of JPS51136221A publication Critical patent/JPS51136221A/ja
Pending 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)
  • Monitoring And Testing Of Exchanges (AREA)
JP5971875A 1975-05-21 1975-05-21 Mass testing for common control auto- switchboard Pending JPS51136221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5971875A JPS51136221A (en) 1975-05-21 1975-05-21 Mass testing for common control auto- switchboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5971875A JPS51136221A (en) 1975-05-21 1975-05-21 Mass testing for common control auto- switchboard

Publications (1)

Publication Number Publication Date
JPS51136221A true JPS51136221A (en) 1976-11-25

Family

ID=13121251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5971875A Pending JPS51136221A (en) 1975-05-21 1975-05-21 Mass testing for common control auto- switchboard

Country Status (1)

Country Link
JP (1) JPS51136221A (ja)

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