ATE96963T1 - Fernunterbrechung und kurzschlussgeraet. - Google Patents

Fernunterbrechung und kurzschlussgeraet.

Info

Publication number
ATE96963T1
ATE96963T1 AT88303366T AT88303366T ATE96963T1 AT E96963 T1 ATE96963 T1 AT E96963T1 AT 88303366 T AT88303366 T AT 88303366T AT 88303366 T AT88303366 T AT 88303366T AT E96963 T1 ATE96963 T1 AT E96963T1
Authority
AT
Austria
Prior art keywords
conductors
pair
short circuit
tone
mode
Prior art date
Application number
AT88303366T
Other languages
English (en)
Inventor
Salle Roger John La
Roger Riordan
Original Assignee
Teletech Pty Ltd
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 Teletech Pty Ltd filed Critical Teletech Pty Ltd
Application granted granted Critical
Publication of ATE96963T1 publication Critical patent/ATE96963T1/de

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
    • H04M3/30Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/301Circuit arrangements at the subscriber's side of the line
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Alarm Systems (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Locating Faults (AREA)
  • Burglar Alarm Systems (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
AT88303366T 1987-04-14 1988-04-14 Fernunterbrechung und kurzschlussgeraet. ATE96963T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPI147387 1987-04-14
EP88303366A EP0287369B1 (de) 1987-04-14 1988-04-14 Fernunterbrechung und Kurzschlussgerät

Publications (1)

Publication Number Publication Date
ATE96963T1 true ATE96963T1 (de) 1993-11-15

Family

ID=3772120

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88303366T ATE96963T1 (de) 1987-04-14 1988-04-14 Fernunterbrechung und kurzschlussgeraet.

Country Status (7)

Country Link
US (1) US4862491A (de)
EP (1) EP0287369B1 (de)
JP (1) JPS6447135A (de)
AT (1) ATE96963T1 (de)
CA (1) CA1282883C (de)
DE (1) DE3885329T2 (de)
ES (1) ES2050156T3 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4985917A (en) * 1989-08-17 1991-01-15 Altimier Jr David F Personal artificial loop (p.a.l.)
GB9213992D0 (en) * 1992-07-01 1992-08-12 Raychem Ltd Remotely actuated switch and protection circuit
GB9218134D0 (en) * 1992-08-26 1992-10-14 Raychem Sa Nv Communication channel switching arrangement
US5550894A (en) * 1992-11-20 1996-08-27 Atlas Telecom International Ltd. Device for sequentially altering a communication line for remote diagnostic checks
US5721524A (en) * 1995-06-07 1998-02-24 Power Parts, Inc. Stator apparatus for small engine ignition system having improved grounding arrangement
GB9602247D0 (en) * 1996-02-05 1996-04-03 British Telecomm Telecommunications networks
US5771285A (en) * 1996-02-07 1998-06-23 Lucent Technologies Circuit and method for detecting telephone line status and telephone instrument embodying the same
US5825850A (en) * 1996-10-02 1998-10-20 Time Warner Entertainment Co. L.P. Automatic bypass switch for signal conductor
AUPO694997A0 (en) * 1997-05-22 1997-06-12 Teletech Pty. Ltd. Remote testing of a communications line
SE9800249L (sv) * 1998-01-29 1999-07-30 Telia Ab Förbättringar av, eller med avseende på, telekommunikationer
US6160405A (en) * 1998-03-30 2000-12-12 Jovial Test Equipment, Inc. Method and apparatus for remotely changing signal characteristics of a signal generator
US6292541B1 (en) 1998-11-10 2001-09-18 Pittway Corporation Line shunt and ground fault apparatus method
US6212258B1 (en) * 1998-11-25 2001-04-03 Westell Technologies, Inc. Device for remotely testing a twisted pair transmission line
US7010096B1 (en) * 1999-11-24 2006-03-07 Teletech Pty., Ltd. Remote testing of a communications line
GB2368487A (en) * 2000-10-25 2002-05-01 Alan Robert Perrett Remote testing system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843848A (en) * 1973-01-12 1974-10-22 Magnetic Controls Co Telephone looptest system
US3912882A (en) * 1973-12-07 1975-10-14 Tm Systems Remote loop-back terminating unit for testing telephone
DE3375269D1 (en) * 1982-04-05 1988-02-11 Gen Electric Co Plc Telecommunication system loop-back unit
US4536703A (en) * 1982-05-27 1985-08-20 At&T Technologies, Inc. Method and apparatus for testing cable wire connected to terminals at a remote location
US4489220A (en) * 1983-06-08 1984-12-18 International Teldata Ii Corp. Test set
US4550225A (en) * 1983-10-31 1985-10-29 Keptel, Inc. AC Signal-activated switching apparatus
US4581494A (en) * 1984-10-09 1986-04-08 James A. Mayberry Telephone interface-test device
US4686696A (en) * 1985-12-02 1987-08-11 Keptel, Inc. Transmission line signal sensing circuit employing means for conserving power, especially for use with a telephone disconnect circuit, and associated method

Also Published As

Publication number Publication date
CA1282883C (en) 1991-04-09
DE3885329T2 (de) 1994-05-26
ES2050156T3 (es) 1994-05-16
JPS6447135A (en) 1989-02-21
DE3885329D1 (de) 1993-12-09
EP0287369A2 (de) 1988-10-19
EP0287369A3 (en) 1989-09-13
EP0287369B1 (de) 1993-11-03
US4862491A (en) 1989-08-29

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time