JPS5582556A - Selection circuit for time sharing communication line unit - Google Patents

Selection circuit for time sharing communication line unit

Info

Publication number
JPS5582556A
JPS5582556A JP15613178A JP15613178A JPS5582556A JP S5582556 A JPS5582556 A JP S5582556A JP 15613178 A JP15613178 A JP 15613178A JP 15613178 A JP15613178 A JP 15613178A JP S5582556 A JPS5582556 A JP S5582556A
Authority
JP
Japan
Prior art keywords
test
selection circuits
communication line
highway
line unit
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
JP15613178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6117427B2 (enrdf_load_stackoverflow
Inventor
Seishiro Oguchi
Kanji Tawara
Shuzo Owada
Akira Horiki
Tsuneo Katsuyama
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 JP15613178A priority Critical patent/JPS5582556A/ja
Publication of JPS5582556A publication Critical patent/JPS5582556A/ja
Publication of JPS6117427B2 publication Critical patent/JPS6117427B2/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
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/244—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP15613178A 1978-12-15 1978-12-15 Selection circuit for time sharing communication line unit Granted JPS5582556A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15613178A JPS5582556A (en) 1978-12-15 1978-12-15 Selection circuit for time sharing communication line unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15613178A JPS5582556A (en) 1978-12-15 1978-12-15 Selection circuit for time sharing communication line unit

Publications (2)

Publication Number Publication Date
JPS5582556A true JPS5582556A (en) 1980-06-21
JPS6117427B2 JPS6117427B2 (enrdf_load_stackoverflow) 1986-05-07

Family

ID=15620993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15613178A Granted JPS5582556A (en) 1978-12-15 1978-12-15 Selection circuit for time sharing communication line unit

Country Status (1)

Country Link
JP (1) JPS5582556A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6117427B2 (enrdf_load_stackoverflow) 1986-05-07

Similar Documents

Publication Publication Date Title
JPS5582556A (en) Selection circuit for time sharing communication line unit
JPS5440082A (en) Semiconductor test device
JPS5274241A (en) Peripheral unit maintenance system
JPS5619139A (en) Test system of on-line system
JPS5476040A (en) Logic circuit package
JPS5327308A (en) Test method for subscriber line
JPS534412A (en) Test method for subscribing lines
JPS52130516A (en) Monitor and fault position orientation system
JPS5380929A (en) Memory unit
JPS55102060A (en) Unit selection system
JPS52123875A (en) Wiring inspection system for highly integrated lsi
JPS5316548A (en) Control unit
JPS5493312A (en) Matrix circuit distribution system
JPS562027A (en) Multiple electronic computer unit
JPS5313447A (en) Operating panel for car tester
JPS5552160A (en) Failure display circuit for selection function
JPS53119642A (en) Testing equipment for logic circuit
JPS559226A (en) Selection system for double bus
JPS53130936A (en) Simple memory card tester
JPS5391617A (en) Service monitor unit for exchanger
JPS5513570A (en) Automatic raising system of double central control units at trouble time
JPS5636753A (en) Testing method for microcomputer
JPS5395514A (en) Test system for subscriber line
Caucus Memorandum: Press Advisory Pro-Plan Caucus.
JPS5328497A (en) Tester for coin selector