JPS6349949B2 - - Google Patents

Info

Publication number
JPS6349949B2
JPS6349949B2 JP8195280A JP8195280A JPS6349949B2 JP S6349949 B2 JPS6349949 B2 JP S6349949B2 JP 8195280 A JP8195280 A JP 8195280A JP 8195280 A JP8195280 A JP 8195280A JP S6349949 B2 JPS6349949 B2 JP S6349949B2
Authority
JP
Japan
Prior art keywords
line
signal
circuit
telephone exchange
conversion device
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
JP8195280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS577686A (en
Inventor
Katsuhiko Furukawa
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 JP8195280A priority Critical patent/JPS577686A/ja
Publication of JPS577686A publication Critical patent/JPS577686A/ja
Publication of JPS6349949B2 publication Critical patent/JPS6349949B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP8195280A 1980-06-17 1980-06-17 Prevention system for failure in recovery from fault of manual holding circuit Granted JPS577686A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8195280A JPS577686A (en) 1980-06-17 1980-06-17 Prevention system for failure in recovery from fault of manual holding circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8195280A JPS577686A (en) 1980-06-17 1980-06-17 Prevention system for failure in recovery from fault of manual holding circuit

Publications (2)

Publication Number Publication Date
JPS577686A JPS577686A (en) 1982-01-14
JPS6349949B2 true JPS6349949B2 (enrdf_load_stackoverflow) 1988-10-06

Family

ID=13760829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8195280A Granted JPS577686A (en) 1980-06-17 1980-06-17 Prevention system for failure in recovery from fault of manual holding circuit

Country Status (1)

Country Link
JP (1) JPS577686A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0436331Y2 (enrdf_load_stackoverflow) * 1985-07-30 1992-08-27

Also Published As

Publication number Publication date
JPS577686A (en) 1982-01-14

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