ES8203000A1 - Perfeccionamientos en las disposiciones circuitales para centrales telefonicas - Google Patents

Perfeccionamientos en las disposiciones circuitales para centrales telefonicas

Info

Publication number
ES8203000A1
ES8203000A1 ES501135A ES501135A ES8203000A1 ES 8203000 A1 ES8203000 A1 ES 8203000A1 ES 501135 A ES501135 A ES 501135A ES 501135 A ES501135 A ES 501135A ES 8203000 A1 ES8203000 A1 ES 8203000A1
Authority
ES
Spain
Prior art keywords
digital
analog
electrical characteristics
lines connected
relating
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
ES501135A
Other languages
English (en)
Spanish (es)
Other versions
ES501135A0 (es
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.)
Italtel SpA
Original Assignee
Italtel SpA
Italtel Societa Italiana Telecomunicazioni SpA
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 Italtel SpA, Italtel Societa Italiana Telecomunicazioni SpA filed Critical Italtel SpA
Publication of ES501135A0 publication Critical patent/ES501135A0/es
Publication of ES8203000A1 publication Critical patent/ES8203000A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
ES501135A 1980-03-21 1981-03-21 Perfeccionamientos en las disposiciones circuitales para centrales telefonicas Expired ES8203000A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8020799A IT1209318B (it) 1980-03-21 1980-03-21 Disposizione circuitale atta a rilevare le caratteristiche elettriche delle linee di giunzione, sia analogiche che digitali, attestate ad una centrale telefonica di transito di tipo numerico.

Publications (2)

Publication Number Publication Date
ES501135A0 ES501135A0 (es) 1982-03-01
ES8203000A1 true ES8203000A1 (es) 1982-03-01

Family

ID=11172230

Family Applications (1)

Application Number Title Priority Date Filing Date
ES501135A Expired ES8203000A1 (es) 1980-03-21 1981-03-21 Perfeccionamientos en las disposiciones circuitales para centrales telefonicas

Country Status (11)

Country Link
AR (1) AR227538A1 (en:Method)
BR (1) BR8101577A (en:Method)
DE (1) DE3111114A1 (en:Method)
ES (1) ES8203000A1 (en:Method)
FR (1) FR2478925A1 (en:Method)
GB (1) GB2073549A (en:Method)
GR (1) GR74163B (en:Method)
IN (1) IN152744B (en:Method)
IT (1) IT1209318B (en:Method)
PT (1) PT72668B (en:Method)
SE (1) SE8101786L (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128619A (en) * 1989-04-03 1992-07-07 Bjork Roger A System and method of determining cable characteristics
AU669538B2 (en) * 1992-06-30 1996-06-13 H. Heuer Instruments Pty Ltd Margin test apparatus for integrated services digital networks
US5663968A (en) * 1992-06-30 1997-09-02 H. Heuer Instruments Pty Ltd. Margin test method and apparatus for intergrated services digital networks
DE19957019C5 (de) * 1999-11-26 2009-04-02 Liba Maschinenfabrik Gmbh Verfahren zur Herstellung einer Kettenwirkware mit großen Gitteröffnungen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290804A1 (fr) * 1974-11-06 1976-06-04 Labo Cent Telecommunicat Dispositif de verification de la continuite du chemin de parole numerique et analogique entre des centres de commutation numeriques et a frequence vocale
DE2828092C2 (de) * 1978-06-27 1986-12-04 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren und Schaltungsanordnung zur Überwachung eines Kennzeichenumsetzers während des Betriebs
DE2839172C3 (de) * 1978-09-08 1987-07-30 Siemens AG, 1000 Berlin und 8000 München Verfahren zur Fernverwaltung von Datenspeichern und Fernwartung in einem zentralgesteuerten Fernsprechvermittlungssystem, insbesondere in zentralgesteuerten Fernsprechnebenstellenanlagen mit Verbindungsverkehr

Also Published As

Publication number Publication date
IT8020799A0 (it) 1980-03-21
ES501135A0 (es) 1982-03-01
FR2478925A1 (fr) 1981-09-25
IT1209318B (it) 1989-07-16
IN152744B (en:Method) 1984-03-24
SE8101786L (sv) 1981-09-22
PT72668B (fr) 1982-03-23
AR227538A1 (es) 1982-11-15
PT72668A (fr) 1981-04-01
GB2073549A (en) 1981-10-14
BR8101577A (pt) 1981-09-22
GR74163B (en:Method) 1984-06-07
DE3111114A1 (de) 1982-01-28

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