JPS6336705B2 - - Google Patents

Info

Publication number
JPS6336705B2
JPS6336705B2 JP17957080A JP17957080A JPS6336705B2 JP S6336705 B2 JPS6336705 B2 JP S6336705B2 JP 17957080 A JP17957080 A JP 17957080A JP 17957080 A JP17957080 A JP 17957080A JP S6336705 B2 JPS6336705 B2 JP S6336705B2
Authority
JP
Japan
Prior art keywords
line
test
ldl
trunk
wire
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.)
Expired
Application number
JP17957080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57103460A (en
Inventor
Tadao Ishii
Mitsuo Aoki
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
Original Assignee
Fujitsu 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 filed Critical Fujitsu Ltd
Priority to JP17957080A priority Critical patent/JPS57103460A/ja
Publication of JPS57103460A publication Critical patent/JPS57103460A/ja
Publication of JPS6336705B2 publication Critical patent/JPS6336705B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP17957080A 1980-12-18 1980-12-18 Connection system for test Granted JPS57103460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17957080A JPS57103460A (en) 1980-12-18 1980-12-18 Connection system for test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17957080A JPS57103460A (en) 1980-12-18 1980-12-18 Connection system for test

Publications (2)

Publication Number Publication Date
JPS57103460A JPS57103460A (en) 1982-06-28
JPS6336705B2 true JPS6336705B2 (cs) 1988-07-21

Family

ID=16068042

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17957080A Granted JPS57103460A (en) 1980-12-18 1980-12-18 Connection system for test

Country Status (1)

Country Link
JP (1) JPS57103460A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02110703U (cs) * 1989-02-21 1990-09-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02110703U (cs) * 1989-02-21 1990-09-05

Also Published As

Publication number Publication date
JPS57103460A (en) 1982-06-28

Similar Documents

Publication Publication Date Title
US7089034B1 (en) Concurrent wireless/landline interface
JPH04227158A (ja) 電話回線の自動試験方法および装置
US4187414A (en) Circuit arrangement for an interference data alarm system in communication facilities, particularly in telephone equipment
JPS6336705B2 (cs)
US2389076A (en) Testing arrangement for trunks to community dial offices
JPS60158759A (ja) デイジタル交換システム用ループ分析試験装置
CN1212817A (zh) 在一个无线系统中测试用户站状态的方法和系统
US5392341A (en) Automatic telephone line monitoring and selection apparatus and method
JPS60158758A (ja) デイジタル交換システムに対する外部ループ分析試験を容易化するための装置
US3155781A (en) Service observing equipment
US3928735A (en) Trunk make-busy circuit
US2715160A (en) Intercepting trunk circuit
CA1211189A (en) Arrangement for subscriber line ring testing
US1931603A (en) Telephone system
US2310481A (en) Two-way trunk circuit
US2030971A (en) Operator's telephone circuit
CA1045232A (en) Trunk busy test circuit
US2342586A (en) Repeater system
US1504124A (en) Electrical testing system
US2305939A (en) Universal cord circuit
US2667539A (en) Automatic telephone connector circuit
JP3072430B2 (ja) 端末識別装置および端末識別方法
US3133152A (en) Teletypewriter switchboard
US2636944A (en) Recording-completing cord and trunk circuits
US4358639A (en) Permanent signal holding module