FR2430144B1 - - Google Patents

Info

Publication number
FR2430144B1
FR2430144B1 FR7917273A FR7917273A FR2430144B1 FR 2430144 B1 FR2430144 B1 FR 2430144B1 FR 7917273 A FR7917273 A FR 7917273A FR 7917273 A FR7917273 A FR 7917273A FR 2430144 B1 FR2430144 B1 FR 2430144B1
Authority
FR
France
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
FR7917273A
Other versions
FR2430144A1 (fr
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.)
Tekade Felten and Guilleaume Fernmeldeanlagen GmbH
Original Assignee
Tekade Felten and Guilleaume Fernmeldeanlagen GmbH
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 Tekade Felten and Guilleaume Fernmeldeanlagen GmbH filed Critical Tekade Felten and Guilleaume Fernmeldeanlagen GmbH
Publication of FR2430144A1 publication Critical patent/FR2430144A1/fr
Application granted granted Critical
Publication of FR2430144B1 publication Critical patent/FR2430144B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
    • H04L1/243—Testing correct operation by comparing a transmitted test signal with a locally generated replica at the transmitter, using a loop-back
FR7917273A 1978-07-01 1979-06-26 Disposition d'essai pour parcours de transmission de donnees Granted FR2430144A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782829076 DE2829076A1 (de) 1978-07-01 1978-07-01 Testanordnung fuer datenuebertragungsstrecken

Publications (2)

Publication Number Publication Date
FR2430144A1 FR2430144A1 (fr) 1980-01-25
FR2430144B1 true FR2430144B1 (fr) 1984-04-20

Family

ID=6043365

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7917273A Granted FR2430144A1 (fr) 1978-07-01 1979-06-26 Disposition d'essai pour parcours de transmission de donnees

Country Status (11)

Country Link
US (1) US4247934A (fr)
JP (1) JPS5510296A (fr)
AT (1) AT369600B (fr)
BE (1) BE877177A (fr)
CA (1) CA1136726A (fr)
CH (1) CH645224A5 (fr)
DE (1) DE2829076A1 (fr)
FR (1) FR2430144A1 (fr)
GB (1) GB2025189B (fr)
NL (1) NL7905025A (fr)
SE (1) SE437451B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3335674A1 (de) * 1982-11-13 1984-05-24 Krone Gmbh, 1000 Berlin Einrichtung zur manuellen streckenpruefung einer optischen teilnehmeranschlussleitung aus glasfaser mit bidirektionalem wellenlaengenmultiplex
HU187428B (en) * 1982-11-15 1986-01-28 Vilati Villamos Automatika Foevallalkozo Es Gyarto Vallalat,Hu Method for testing inner system of connection amongst n number of output of an electric network and device for implementing this method, as well as circuit arrangement for testing inner structure of connection of the networks containing several nodal points
DE3335606C2 (de) * 1982-11-25 1986-05-15 Krone Gmbh, 1000 Berlin Einrichtung zur manuellen Streckenprüfung einer optischen Teilnehmeranschlußleitung aus Glasfaser mit bidirektionalem Wellenlängenmultiplex
JPS60114359A (ja) * 1983-11-28 1985-06-20 株式会社日立製作所 石炭ミル温度監視方式
US4601028A (en) * 1984-06-18 1986-07-15 Rockwell International Corporation Method of and apparatus for checking datapath failure in a communication muldem
JPS61169047A (ja) * 1985-01-22 1986-07-30 Kokusai Denshin Denwa Co Ltd <Kdd> 光フアイバ伝送路の伝搬遅延時間変動量検出方式
US4686641A (en) * 1985-03-18 1987-08-11 Detroit Edison Company Static programmable powerline carrier channel test structure and method
US5553056A (en) * 1992-04-02 1996-09-03 Applied Digital Access, Inc. Packetized remote test system for a telephone network
US5502653A (en) * 1993-09-15 1996-03-26 Intel Corporation Testing data transmissions between fax modems through real time synchronization and resynchronization of asynchronous data
DE4437417A1 (de) * 1993-10-19 1995-04-20 Deutsche Bundespost Telekom Verfahren zur Überwachung von Digitalsignalverbindungen
US5748876A (en) * 1995-12-29 1998-05-05 Mci Communications Corporation System and method for testing acoustic modems with semantically encoded waveforms
US6222825B1 (en) * 1997-01-23 2001-04-24 Advanced Micro Devices, Inc. Arrangement for determining link latency for maintaining flow control in full-duplex networks
FI107862B (fi) * 1999-02-23 2001-10-15 Nokia Mobile Phones Ltd Menetelmä radiolaitteen toimivuuden testaamiseksi ja matkaviestin
DE19934622A1 (de) * 1999-07-23 2001-01-25 Deutsche Telekom Ag Verfahren zur Prüfung und Fehlerdiagnose einer Standardfestverbindung in einem Telekommunikationsnetz sowie hierfür einsetzbare Vorrichtung
JP4310878B2 (ja) 2000-02-10 2009-08-12 ソニー株式会社 バスエミュレーション装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1166249B (de) * 1960-06-24 1964-03-26 Int Standard Electric Corp Duplex-Daten-UEbertragungsanordnung
US3655915A (en) * 1970-05-07 1972-04-11 Gen Datacomm Ind Inc Closed loop test method and apparatus for duplex data transmission modem
US3920935A (en) * 1970-12-21 1975-11-18 Oskar Vierling Method for measuring the frequency-dependent attenuation of a telecommunications line, especially a two-wire line
US3743938A (en) * 1971-08-10 1973-07-03 Gen Datacomm Ind Inc Closed data loop test apparatus for data transmission modem
US4039751A (en) * 1972-04-24 1977-08-02 General Datacomm Industries, Inc. Method and apparatus for closed loop testing of first and second modulators and demodulators
US3937882A (en) * 1974-04-11 1976-02-10 Vadic Corporation Full-duplex communication system on a two wire line
FR2459588A1 (fr) * 1979-06-20 1981-01-09 Trt Telecom Radio Electr Systeme de test d'un modem

Also Published As

Publication number Publication date
JPS6336589B2 (fr) 1988-07-20
GB2025189A (en) 1980-01-16
JPS5510296A (en) 1980-01-24
FR2430144A1 (fr) 1980-01-25
US4247934A (en) 1981-01-27
BE877177A (fr) 1979-10-15
CH645224A5 (de) 1984-09-14
GB2025189B (en) 1982-09-08
CA1136726A (fr) 1982-11-30
ATA449779A (de) 1982-05-15
SE7905632L (sv) 1980-01-02
NL7905025A (nl) 1980-01-03
DE2829076A1 (de) 1980-01-10
AT369600B (de) 1983-01-10
SE437451B (sv) 1985-02-25

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Legal Events

Date Code Title Description
ST Notification of lapse