ES499786A0 - Perfeccionamientos en las disposiciones circuitales para de-tectar el correcto funcionamiento de una red telefonica - Google Patents

Perfeccionamientos en las disposiciones circuitales para de-tectar el correcto funcionamiento de una red telefonica

Info

Publication number
ES499786A0
ES499786A0 ES499786A ES499786A ES499786A0 ES 499786 A0 ES499786 A0 ES 499786A0 ES 499786 A ES499786 A ES 499786A ES 499786 A ES499786 A ES 499786A ES 499786 A0 ES499786 A0 ES 499786A0
Authority
ES
Spain
Prior art keywords
circuital
provisions
detect
telephone network
correct operation
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.)
Granted
Application number
ES499786A
Other languages
English (en)
Other versions
ES8202223A1 (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 ES499786A0 publication Critical patent/ES499786A0/es
Publication of ES8202223A1 publication Critical patent/ES8202223A1/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
    • H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
ES499786A 1980-02-29 1981-02-25 Perfeccionamientos en las disposiciones circuitales para de-tectar el correcto funcionamiento de una red telefonica Expired ES8202223A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8020254A IT8020254A0 (it) 1980-02-29 1980-02-29 Connessione degli utenti in una disposizione circuitale atta acentrale telefonica a divisione di rilevare il corretto funzionamento tempo. della rete preposta alla

Publications (2)

Publication Number Publication Date
ES499786A0 true ES499786A0 (es) 1982-02-01
ES8202223A1 ES8202223A1 (es) 1982-02-01

Family

ID=11165180

Family Applications (1)

Application Number Title Priority Date Filing Date
ES499786A Expired ES8202223A1 (es) 1980-02-29 1981-02-25 Perfeccionamientos en las disposiciones circuitales para de-tectar el correcto funcionamiento de una red telefonica

Country Status (9)

Country Link
AR (1) AR226342A1 (es)
BR (1) BR8101064A (es)
DE (1) DE3105960A1 (es)
ES (1) ES8202223A1 (es)
FR (1) FR2488468A1 (es)
GB (1) GB2070893A (es)
IT (1) IT8020254A0 (es)
PT (1) PT72585B (es)
SE (1) SE8100702L (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245006C2 (de) * 1982-12-06 1986-08-14 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zur Prüfung von Koppelfeldwegen in vierdrähtig zeitmultiplex durchschaltenden Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
DE3307347A1 (de) * 1983-03-02 1984-09-06 Siemens AG, 1000 Berlin und 8000 München Schaltunganordnung fuer pcm-fernmeldevermittlungsanlagen mit pruefeinrichtungen zur funktionspruefung durchgeschalteter verbindungen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2026141A1 (es) * 1968-12-14 1970-09-11 Sits Soc It Telecom Siemens
BE759380A (fr) * 1969-11-26 1971-05-25 Int Standard Electric Corp Simulateur d'appels telephoniques
JPS554187A (en) * 1978-06-26 1980-01-12 Fujitsu Ltd Test system

Also Published As

Publication number Publication date
PT72585A (fr) 1981-03-01
BR8101064A (pt) 1981-09-01
IT8020254A0 (it) 1980-02-29
FR2488468A1 (fr) 1982-02-12
DE3105960A1 (de) 1981-12-10
AR226342A1 (es) 1982-06-30
ES8202223A1 (es) 1982-02-01
SE8100702L (sv) 1981-08-30
PT72585B (fr) 1982-03-12
GB2070893A (en) 1981-09-09

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