JPS6111017B2 - - Google Patents

Info

Publication number
JPS6111017B2
JPS6111017B2 JP3634078A JP3634078A JPS6111017B2 JP S6111017 B2 JPS6111017 B2 JP S6111017B2 JP 3634078 A JP3634078 A JP 3634078A JP 3634078 A JP3634078 A JP 3634078A JP S6111017 B2 JPS6111017 B2 JP S6111017B2
Authority
JP
Japan
Prior art keywords
wire
circuit
conversion circuit
analog
exchange
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
JP3634078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54128208A (en
Inventor
Yoshiro Nishimura
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.)
NEC Corp
Original Assignee
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP3634078A priority Critical patent/JPS54128208A/ja
Publication of JPS54128208A publication Critical patent/JPS54128208A/ja
Publication of JPS6111017B2 publication Critical patent/JPS6111017B2/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)
JP3634078A 1978-03-28 1978-03-28 Channel connection test system for 4-wire exchange Granted JPS54128208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3634078A JPS54128208A (en) 1978-03-28 1978-03-28 Channel connection test system for 4-wire exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3634078A JPS54128208A (en) 1978-03-28 1978-03-28 Channel connection test system for 4-wire exchange

Publications (2)

Publication Number Publication Date
JPS54128208A JPS54128208A (en) 1979-10-04
JPS6111017B2 true JPS6111017B2 (de) 1986-04-01

Family

ID=12467091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3634078A Granted JPS54128208A (en) 1978-03-28 1978-03-28 Channel connection test system for 4-wire exchange

Country Status (1)

Country Link
JP (1) JPS54128208A (de)

Also Published As

Publication number Publication date
JPS54128208A (en) 1979-10-04

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