JPS5418881B2 - - Google Patents

Info

Publication number
JPS5418881B2
JPS5418881B2 JP4137673A JP4137673A JPS5418881B2 JP S5418881 B2 JPS5418881 B2 JP S5418881B2 JP 4137673 A JP4137673 A JP 4137673A JP 4137673 A JP4137673 A JP 4137673A JP S5418881 B2 JPS5418881 B2 JP S5418881B2
Authority
JP
Japan
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
JP4137673A
Other languages
Japanese (ja)
Other versions
JPS49130116A (de
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 filed Critical
Priority to JP4137673A priority Critical patent/JPS5418881B2/ja
Publication of JPS49130116A publication Critical patent/JPS49130116A/ja
Publication of JPS5418881B2 publication Critical patent/JPS5418881B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP4137673A 1973-04-13 1973-04-13 Expired JPS5418881B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4137673A JPS5418881B2 (de) 1973-04-13 1973-04-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4137673A JPS5418881B2 (de) 1973-04-13 1973-04-13

Publications (2)

Publication Number Publication Date
JPS49130116A JPS49130116A (de) 1974-12-13
JPS5418881B2 true JPS5418881B2 (de) 1979-07-11

Family

ID=12606679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4137673A Expired JPS5418881B2 (de) 1973-04-13 1973-04-13

Country Status (1)

Country Link
JP (1) JPS5418881B2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0532477Y2 (de) * 1987-05-19 1993-08-19

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS554183A (en) * 1978-06-27 1980-01-12 Fujitsu Ltd Circuit control system
JPS63290433A (ja) * 1987-05-22 1988-11-28 Nec Corp ディジタル交換機の保守端末接続方式
JPS63316544A (ja) * 1987-06-18 1988-12-23 Nec Corp デ−タ通信試験方式

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492435A (en) * 1965-08-07 1970-01-27 Bell Telephone Labor Inc Four-wire concentrator without separate control path

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3492435A (en) * 1965-08-07 1970-01-27 Bell Telephone Labor Inc Four-wire concentrator without separate control path

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0532477Y2 (de) * 1987-05-19 1993-08-19

Also Published As

Publication number Publication date
JPS49130116A (de) 1974-12-13

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