IN150495B - - Google Patents

Info

Publication number
IN150495B
IN150495B IN863/CAL/78A IN863CA1978A IN150495B IN 150495 B IN150495 B IN 150495B IN 863CA1978 A IN863CA1978 A IN 863CA1978A IN 150495 B IN150495 B IN 150495B
Authority
IN
India
Application number
IN863/CAL/78A
Other languages
English (en)
Inventor
H Brand
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of IN150495B publication Critical patent/IN150495B/en

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
    • H04M3/26—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
    • H04M3/301—Circuit arrangements at the subscriber's side of the line
    • 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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
IN863/CAL/78A 1977-08-05 1978-08-07 IN150495B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2735341A DE2735341C3 (de) 1977-08-05 1977-08-05 Anordnung zur Durchgangsprüfung in Fernmeldeanlagen

Publications (1)

Publication Number Publication Date
IN150495B true IN150495B (da) 1982-10-23

Family

ID=6015717

Family Applications (1)

Application Number Title Priority Date Filing Date
IN863/CAL/78A IN150495B (da) 1977-08-05 1978-08-07

Country Status (16)

Country Link
JP (1) JPS5434706A (da)
AR (1) AR215513A1 (da)
AU (1) AU3844578A (da)
BE (1) BE869472A (da)
BR (1) BR7804946A (da)
DE (1) DE2735341C3 (da)
DK (1) DK344078A (da)
ES (1) ES472357A1 (da)
FI (1) FI782394A (da)
FR (1) FR2399775A1 (da)
GB (1) GB2002202B (da)
GR (1) GR65208B (da)
IN (1) IN150495B (da)
NL (1) NL7807402A (da)
NO (1) NO782622L (da)
SE (1) SE7808251L (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5473507A (en) * 1977-11-25 1979-06-12 Oki Electric Ind Co Ltd Channel test system
DE3005799C2 (de) * 1980-02-13 1981-10-01 Siemens AG, 1000 Berlin und 8000 München Prüfeinrichtung für Fernmeldeanlagen, insbesondere Betriebsfernsprechanlagen, mit einem Vierdrahtübertragungseinrichtungen miteinander verbindenden Koppelnetzwerk
US4393491A (en) * 1980-11-05 1983-07-12 Anaconda-Ericsson Automatic self-test system for a digital multiplexed telecommunication system
JPS57143968A (en) * 1981-03-02 1982-09-06 Oki Electric Ind Co Ltd Channel test system
FR2502432A1 (fr) * 1981-03-18 1982-09-24 Trt Telecom Radio Electr Systeme de test de joncteurs d'abonnes
FR2503511A1 (fr) * 1981-04-03 1982-10-08 Cit Alcatel Dispositif de controle d'un reseau de connexion numerique
CA1203875A (en) * 1983-06-16 1986-04-29 Mitel Corporation Switching system loopback test circuit
DE4141090A1 (de) * 1991-12-13 1993-06-17 Kommunikations Elektronik Verfahren zur ueberpruefung der funktionsfaehigkeit von uebertragungsstrecken nachrichtentechnischer signale

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1168506B (de) * 1961-09-15 1964-04-23 Siemens Ag Schaltungsanordnung zur Pruefung von Zeichen-kanaelen in Fernmeldeanlagen
DE1202348B (de) * 1963-02-23 1965-10-07 Standard Elektrik Lorenz Ag Verfahren zur Pruefung der Verbindungsadern in Fernmeldevermittlungs-, insbesondere Fernsprechwaehlanlagen
FR2026141A1 (da) * 1968-12-14 1970-09-11 Sits Soc It Telecom Siemens
DE1964870B2 (de) * 1969-12-24 1976-11-11 Vieriing, Oskar, Prof. Dr.phil.habil., 8553 Ebermannstadt Verfahren zum ermitteln der frequenzabhaengigen uebergangsdaempfung einer gabelschaltung
JPS5428686B2 (da) * 1971-08-11 1979-09-18
CH541265A (de) * 1972-02-29 1973-08-31 Generaldirektion Ptt Hasler Ag Verfahren zur Prüfung von Vierdrahtverbindungen zwischen zwei miteinander zu verbindenden Schaltstellen eines Fernmeldenetzes
GB1489741A (en) * 1974-10-17 1977-10-26 Post Office Telecommunication system networks
GB1489743A (en) * 1974-10-17 1977-10-26 Post Office Telecommunication system networks
GB1489742A (en) * 1974-10-17 1977-10-26 Post Office Telecommunication system networks
US4064369A (en) * 1975-01-31 1977-12-20 North Electric Company Method and apparatus for path testing in a time division multiplex switching network
GB1540900A (en) * 1975-06-30 1979-02-21 Ericsson L M Pty Ltd Digital testing and power control in a digital communication system
JPS5389307A (en) * 1977-01-17 1978-08-05 Hitachi Ltd Test system for communicating line system

Also Published As

Publication number Publication date
ES472357A1 (es) 1979-04-01
BR7804946A (pt) 1979-04-10
GB2002202A (en) 1979-02-14
FI782394A (fi) 1979-02-06
GB2002202B (en) 1982-01-06
AU3844578A (en) 1980-01-31
DE2735341C3 (de) 1984-05-10
NL7807402A (nl) 1979-02-07
DE2735341A1 (de) 1979-02-08
DK344078A (da) 1979-02-06
FR2399775A1 (fr) 1979-03-02
SE7808251L (sv) 1979-02-06
BE869472A (nl) 1979-02-05
NO782622L (no) 1979-02-06
JPS5434706A (en) 1979-03-14
DE2735341B2 (de) 1979-06-07
GR65208B (en) 1980-07-29
AR215513A1 (es) 1979-10-15

Similar Documents

Publication Publication Date Title
FR2379104B1 (da)
FR2378858B1 (da)
FR2376565B1 (da)
IN150495B (da)
DE2822187B2 (da)
FR2378570B1 (da)
AU3353778A (da)
FR2379050B1 (da)
FR2378651B1 (da)
AR210643A1 (da)
FR2377462B2 (da)
AU495917B2 (da)
DK379677A (da)
AU71461S (da)
BG25860A1 (da)
BG25847A1 (da)
BE851449A (da)
BE865722A (da)
BE866391A (da)
BE868323A (da)
BE870787A (da)
BE871419A (da)
BE871991A (da)
BG24713A1 (da)
BG25829A1 (da)