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SE7514222L - Anordning for metning av karakteristikor hos en kommunikationskanal - Google Patents

Anordning for metning av karakteristikor hos en kommunikationskanal

Info

Publication number
SE7514222L
SE7514222L SE7514222A SE7514222A SE7514222L SE 7514222 L SE7514222 L SE 7514222L SE 7514222 A SE7514222 A SE 7514222A SE 7514222 A SE7514222 A SE 7514222A SE 7514222 L SE7514222 L SE 7514222L
Authority
SE
Sweden
Prior art keywords
communication channel
saturating characteristics
saturating
channel
communication
Prior art date
Application number
SE7514222A
Other languages
English (en)
Inventor
D C Osborne
J M Harrison
A K Hillman
Original Assignee
Northern Telecom Inc
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 Northern Telecom Inc filed Critical Northern Telecom Inc
Publication of SE7514222L publication Critical patent/SE7514222L/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
SE7514222A 1974-12-16 1975-12-16 Anordning for metning av karakteristikor hos en kommunikationskanal SE7514222L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/532,746 US4001559A (en) 1974-12-16 1974-12-16 Programmable measuring

Publications (1)

Publication Number Publication Date
SE7514222L true SE7514222L (sv) 1976-06-17

Family

ID=24122998

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7514222A SE7514222L (sv) 1974-12-16 1975-12-16 Anordning for metning av karakteristikor hos en kommunikationskanal

Country Status (10)

Country Link
US (1) US4001559A (sv)
JP (1) JPS5192641A (sv)
BE (1) BE836701A (sv)
CA (1) CA1054258A (sv)
DE (1) DE2556600A1 (sv)
ES (1) ES443520A1 (sv)
FR (1) FR2295651A1 (sv)
IT (1) IT1050777B (sv)
NL (1) NL7514443A (sv)
SE (1) SE7514222L (sv)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105995A (en) * 1976-06-16 1978-08-08 Hewlett-Packard Company Digitally controlled transmission impairment measuring apparatus
US4112414A (en) * 1977-01-03 1978-09-05 Chevron Research Company Host-controlled fault diagnosis in a data communication system
DE2723705C2 (de) * 1977-05-26 1982-12-09 Rohde & Schwarz GmbH & Co KG, 8000 München Prüf- und Überwachungseinrichtung für Hochfrequenz-Nachrichtenanlagen
DE2819776A1 (de) * 1978-05-05 1979-11-15 Teradyne Inc Verfahren und vorrichtung zur pruefung einer elektrischen leitung
FR2430621A1 (fr) * 1978-07-03 1980-02-01 Teradyne Inc Dispositif de test de lignes telephoniques
US4273970A (en) * 1979-12-28 1981-06-16 Bell Telephone Laboratories, Incorporated Intermodulation distortion test
US4301536A (en) * 1979-12-28 1981-11-17 Bell Telephone Laboratories, Incorporated Multitone frequency response and envelope delay distortion tests
IT1128762B (it) * 1980-02-20 1986-06-04 Cselt Centro Studi Lab Telecom Circuito per diagnosi di reti di connessione pcm
US4316259A (en) * 1980-03-18 1982-02-16 Grumman Aerospace Corporation Programmable function generator
US4417337A (en) * 1981-06-29 1983-11-22 Bell Telephone Laboratories, Incorporated, Adaptive multitone transmission parameter test arrangement
US4633411A (en) * 1982-12-27 1986-12-30 Rockwell International Corporation Link quality analyzer
IT1192090B (it) * 1985-06-20 1988-03-31 Flitel Spa Localizzatore automatico di guasti su linee telefoniche
US4748625A (en) * 1986-07-28 1988-05-31 Motorola, Inc. Optimum baud rate transmission system
EP0418282A4 (en) * 1988-06-01 1993-04-07 Standard Telephones And Cables Pty. Limited Portable call generator
US4862492A (en) * 1988-10-26 1989-08-29 Dialogic Corporation Measurement of transmission quality of a telephone channel
US5375159A (en) * 1992-09-29 1994-12-20 C & P Of Virginia System and method for remote testing and protocol analysis of communication lines
GB9315353D0 (en) * 1993-07-23 1993-09-08 British Telecomm Testing telecommunications equipment
US5521959A (en) * 1994-02-09 1996-05-28 Harris Corporation Programmable source for supplying controllably variable AC/DC voltage output for telephone line measurement apparatus
US5504801A (en) * 1994-02-09 1996-04-02 Harris Corporation User-controlled electronic modification of operating system firmware resident in remote measurement unit for testing and conditioning of subscriber line circuits
GB9411360D0 (en) * 1994-06-07 1994-07-27 Newbridge Networks Corp Method of monitoring a network
US5995588A (en) * 1995-09-01 1999-11-30 Crick; Robert G. Tone location device for locating faults in a paired line
US5748876A (en) * 1995-12-29 1998-05-05 Mci Communications Corporation System and method for testing acoustic modems with semantically encoded waveforms
US6144721A (en) * 1996-01-05 2000-11-07 Communications Technology Corporation Apparatus and method for line pair testing and fault diagnostics
US7076378B1 (en) * 2002-11-13 2006-07-11 Current Technologies, Llc Device and method for providing power line characteristics and diagnostics
US7327781B2 (en) * 2002-12-17 2008-02-05 Invensys Systems, Inc. Universal intelligent modem
US7460467B1 (en) 2003-07-23 2008-12-02 Current Technologies, Llc Voice-over-IP network test device and method
CN114024882B (zh) * 2021-09-23 2023-07-14 深圳市共进电子股份有限公司 一种路由器性能测试方法、装置、系统及存储介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3496536A (en) * 1966-05-02 1970-02-17 Xerox Corp Data link test apparatus
GB1259614A (sv) * 1968-11-22 1972-01-05
US3842218A (en) * 1972-07-10 1974-10-15 Porta Systems Corp Automated telephony testing and polling apparatus
US3787810A (en) * 1972-11-02 1974-01-22 Burroughs Corp Test method for a programmable data communication terminal
US3819878A (en) * 1972-12-18 1974-06-25 Antekna Inc Transmission test set for telephone circuit data communication systems
US3875500A (en) * 1973-11-28 1975-04-01 Nasa Pseudo-noise test set for communication system evaluation

Also Published As

Publication number Publication date
NL7514443A (nl) 1976-06-18
IT1050777B (it) 1981-03-20
JPS5192641A (sv) 1976-08-13
FR2295651B1 (sv) 1979-09-07
DE2556600A1 (de) 1976-07-01
ES443520A1 (es) 1978-03-16
BE836701A (fr) 1976-04-16
CA1054258A (en) 1979-05-08
FR2295651A1 (fr) 1976-07-16
US4001559A (en) 1977-01-04

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