JPS5421209A - Test system for intra-office trunks - Google Patents

Test system for intra-office trunks

Info

Publication number
JPS5421209A
JPS5421209A JP8623677A JP8623677A JPS5421209A JP S5421209 A JPS5421209 A JP S5421209A JP 8623677 A JP8623677 A JP 8623677A JP 8623677 A JP8623677 A JP 8623677A JP S5421209 A JPS5421209 A JP S5421209A
Authority
JP
Japan
Prior art keywords
intra
test system
office trunks
trunks
office
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
JP8623677A
Other languages
Japanese (ja)
Other versions
JPS602821B2 (en
Inventor
Hideyo Honda
Shinichi Kawabata
Naoki Shigematsu
Kyuichi Kamisaka
Yukio Kawanami
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
NEC Corp
NTT Inc
Original Assignee
Fujitsu Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
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, NEC Corp, Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP8623677A priority Critical patent/JPS602821B2/en
Publication of JPS5421209A publication Critical patent/JPS5421209A/en
Publication of JPS602821B2 publication Critical patent/JPS602821B2/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

PURPOSE:To enable intra-office trunk test without notching opposing stations, by performing the trunk test for the trunks using the separated common line signal system with the connection line closed only in the station itself.
JP8623677A 1977-07-19 1977-07-19 In-office trunk test method Expired JPS602821B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8623677A JPS602821B2 (en) 1977-07-19 1977-07-19 In-office trunk test method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8623677A JPS602821B2 (en) 1977-07-19 1977-07-19 In-office trunk test method

Publications (2)

Publication Number Publication Date
JPS5421209A true JPS5421209A (en) 1979-02-17
JPS602821B2 JPS602821B2 (en) 1985-01-24

Family

ID=13881150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8623677A Expired JPS602821B2 (en) 1977-07-19 1977-07-19 In-office trunk test method

Country Status (1)

Country Link
JP (1) JPS602821B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150532A (en) * 1981-03-12 1982-09-17 Mitsubishi Monsanto Chem Co Intermediate membrane made of thermoplastic resin
JPS5832044A (en) * 1981-08-14 1983-02-24 Sekisui Chem Co Ltd Laminated body used as an intermediate layer for laminated glass
JPS60204643A (en) * 1984-03-30 1985-10-16 Sekisui Chem Co Ltd Interlayer for sandwich glass

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57150532A (en) * 1981-03-12 1982-09-17 Mitsubishi Monsanto Chem Co Intermediate membrane made of thermoplastic resin
JPS5832044A (en) * 1981-08-14 1983-02-24 Sekisui Chem Co Ltd Laminated body used as an intermediate layer for laminated glass
JPS60204643A (en) * 1984-03-30 1985-10-16 Sekisui Chem Co Ltd Interlayer for sandwich glass

Also Published As

Publication number Publication date
JPS602821B2 (en) 1985-01-24

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