JPS5314176B2 - - Google Patents

Info

Publication number
JPS5314176B2
JPS5314176B2 JP4796272A JP4796272A JPS5314176B2 JP S5314176 B2 JPS5314176 B2 JP S5314176B2 JP 4796272 A JP4796272 A JP 4796272A JP 4796272 A JP4796272 A JP 4796272A JP S5314176 B2 JPS5314176 B2 JP S5314176B2
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
JP4796272A
Other languages
Japanese (ja)
Other versions
JPS4912712A (en
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 JP4796272A priority Critical patent/JPS5314176B2/ja
Publication of JPS4912712A publication Critical patent/JPS4912712A/ja
Publication of JPS5314176B2 publication Critical patent/JPS5314176B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Time-Division Multiplex Systems (AREA)
JP4796272A 1972-05-15 1972-05-15 Expired JPS5314176B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4796272A JPS5314176B2 (en) 1972-05-15 1972-05-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4796272A JPS5314176B2 (en) 1972-05-15 1972-05-15

Publications (2)

Publication Number Publication Date
JPS4912712A JPS4912712A (en) 1974-02-04
JPS5314176B2 true JPS5314176B2 (en) 1978-05-16

Family

ID=12789955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4796272A Expired JPS5314176B2 (en) 1972-05-15 1972-05-15

Country Status (1)

Country Link
JP (1) JPS5314176B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1504897A (en) * 1974-08-09 1978-03-22 Ericsson L M Pty Ltd Method for through connection check in digital data systems
JPS5190215A (en) * 1975-02-05 1976-08-07
JPS6077565A (en) * 1983-10-05 1985-05-02 Fujitsu Ltd Test method of data subscriber circuit

Also Published As

Publication number Publication date
JPS4912712A (en) 1974-02-04

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