CA1294076C - Direct access test unit for central office - Google Patents

Direct access test unit for central office

Info

Publication number
CA1294076C
CA1294076C CA000578764A CA578764A CA1294076C CA 1294076 C CA1294076 C CA 1294076C CA 000578764 A CA000578764 A CA 000578764A CA 578764 A CA578764 A CA 578764A CA 1294076 C CA1294076 C CA 1294076C
Authority
CA
Canada
Prior art keywords
test
circuit
access port
line circuit
subscriber line
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.)
Expired - Fee Related
Application number
CA000578764A
Other languages
English (en)
French (fr)
Inventor
Aaron Chan
Ben Pierce
Leslie Shafto
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.)
Harris Corp
Original Assignee
Harris 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 Harris Corp filed Critical Harris Corp
Application granted granted Critical
Publication of CA1294076C publication Critical patent/CA1294076C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CA000578764A 1987-10-16 1988-09-29 Direct access test unit for central office Expired - Fee Related CA1294076C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US109,164 1987-10-16
US07/109,164 US4841560A (en) 1987-10-16 1987-10-16 Direct access test unit for central office

Publications (1)

Publication Number Publication Date
CA1294076C true CA1294076C (en) 1992-01-07

Family

ID=22326146

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000578764A Expired - Fee Related CA1294076C (en) 1987-10-16 1988-09-29 Direct access test unit for central office

Country Status (6)

Country Link
US (1) US4841560A (en])
EP (1) EP0335956A4 (en])
CA (1) CA1294076C (en])
GB (1) GB2217954B (en])
IN (1) IN170646B (en])
WO (1) WO1989003622A1 (en])

Families Citing this family (42)

* Cited by examiner, † Cited by third party
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GB9104133D0 (en) * 1991-02-27 1991-04-17 Plessey Telecomm Remote line test facility
US5353327A (en) * 1992-05-04 1994-10-04 At&T Bell Laboratories Maintenance termination unit
US5528662A (en) * 1992-09-18 1996-06-18 Communications Technology Corporation Active strapping and switching device for telephone line testing
US5479473A (en) * 1993-06-25 1995-12-26 Mci Communications Corporation Method and apparatus for testing call paths over long distance carrier networks
US5528660A (en) * 1994-04-29 1996-06-18 Harris Corp. Display-based control mechanism resident in portable test and communications device for facilitating craftsperson's remote testing of selected portion of telephone network
ES2217273T3 (es) * 1994-11-14 2004-11-01 Harris Corporation Sistema de deteccion de averias para un sistema telefonico.
IES65204B2 (en) * 1995-05-09 1995-10-04 Markton Limited Apparatus for providing access to a line test device for testing a characteristics of a telephone line of a telephone network
US5835061A (en) 1995-06-06 1998-11-10 Wayport, Inc. Method and apparatus for geographic-based communications service
US8606851B2 (en) 1995-06-06 2013-12-10 Wayport, Inc. Method and apparatus for geographic-based communications service
AU6938896A (en) 1995-09-12 1997-04-01 British Telecommunications Public Limited Company Line testing in a telecommunications network
US6385299B1 (en) 1995-09-12 2002-05-07 British Telecommunications Public Limited Company Line testing in a telecommunications network
US6002502A (en) * 1995-12-07 1999-12-14 Bell Atlantic Network Services, Inc. Switchable optical network unit
US5859895A (en) * 1995-12-07 1999-01-12 Bell Atlantic Network Services, Inc. Auxiliary circuit switching for provisioning and/or repair in a fiber-to-the-curb system
US6002746A (en) * 1997-04-16 1999-12-14 British Telecommunications Public Limited Company Line testing in a telecommunications network
US6507737B1 (en) * 1998-09-30 2003-01-14 Lucent Technologies Inc. Method for automatically monitoring continuity and integrity of communication trunks
US6636484B1 (en) * 1998-12-09 2003-10-21 Cisco Technology, Inc. Automatic generation of OAM cells for connection continuity detection
US6643267B1 (en) 1999-06-30 2003-11-04 Cisco Technology, Inc. Method and apparatus for tracing a virtual connection
US6201853B1 (en) 1999-07-13 2001-03-13 Communications Manufacturing Company Telephone technician's remote assist apparatus and method
EP1226697B1 (en) 1999-11-03 2010-09-22 Wayport, Inc. Distributed network communication system which enables multiple network providers to use a common distributed network infrastructure
US6882626B1 (en) 2000-06-01 2005-04-19 Cisco Technology, Inc. System and method for automated switching of data traffic in a packet network
US7039007B1 (en) 2000-07-31 2006-05-02 Cicso Technology, Inc. System and method for improving reliability of a packet network
US6831965B2 (en) * 2001-08-23 2004-12-14 Mitel Knowledge Corporation Method and apparatus for testing telephone lines
US6772064B1 (en) 2001-10-25 2004-08-03 Bellsouth Intellectual Property Corporation Methods and systems for determining a telecommunications service location using global satellite positioning
US6754582B1 (en) * 2001-10-25 2004-06-22 Bellsouth Intellectual Property Corp. Methods and systems for routing travel between origin and destination service locations using global satellite positioning
EP1317119A1 (de) * 2001-11-30 2003-06-04 Siemens Aktiengesellschaft Verfahren zur Ermittlung des Betriebszustandes eines Telekommunikationsnetzes
US7308482B2 (en) * 2002-02-12 2007-12-11 At&T Bls Intellectual Property, Inc. Methods and systems for communicating with service technicians in a telecommunications system
US6771744B1 (en) 2002-03-21 2004-08-03 Bellsouth Intellectual Property Corporation Methods and systems for data collection and processing in association with service performed in a telecommunications system
US8166311B1 (en) * 2002-06-20 2012-04-24 At&T Intellectual Property I, Lp Methods and systems for promoting authentication of technical service communications in a telecommunications system
US7224787B1 (en) 2002-09-18 2007-05-29 Bellsouth Intelllectual Property Corporation Methods and systems for performing special service maintenance and installation operations in a telecommunications system
US7149285B2 (en) * 2002-10-02 2006-12-12 Fluke Corporation Dynamic, automated double-ended system and method for testing and qualifying metallic telecommunication loops
US20040086086A1 (en) * 2002-10-30 2004-05-06 Butler Myron C. Automated subscriber loop identification and data transfer for subscriber loop testing
US7738637B2 (en) * 2004-07-24 2010-06-15 Massachusetts Institute Of Technology Interactive voice message retrieval
US7778192B2 (en) * 2005-11-29 2010-08-17 At&T Intellectual Property I, L.P. System and method for automated double-ended field management of DSL service
US8761751B2 (en) 2008-03-14 2014-06-24 William J. Johnson System and method for targeting data processing system(s) with data
US8566839B2 (en) 2008-03-14 2013-10-22 William J. Johnson System and method for automated content presentation objects
US8634796B2 (en) 2008-03-14 2014-01-21 William J. Johnson System and method for location based exchanges of data facilitating distributed location applications
US8600341B2 (en) 2008-03-14 2013-12-03 William J. Johnson System and method for location based exchanges of data facilitating distributed locational applications
US8639267B2 (en) 2008-03-14 2014-01-28 William J. Johnson System and method for location based exchanges of data facilitating distributed locational applications
US9014658B2 (en) 2008-03-14 2015-04-21 William J. Johnson System and method for application context location based configuration suggestions
HK1206121A1 (en) 2012-03-07 2015-12-31 实耐珀时尚股份有限公司 Methods and systems of aggregating information of social networks based on geographical locations via a network
US9477991B2 (en) 2013-08-27 2016-10-25 Snap Trends, Inc. Methods and systems of aggregating information of geographic context regions of social networks based on geographical locations via a network
US9894489B2 (en) 2013-09-30 2018-02-13 William J. Johnson System and method for situational proximity observation alerting privileged recipients

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3512787C1 (de) * 1985-04-10 1986-08-21 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren zur Pruefung von Fernsprechapparaten,Leitungswegen und Teilen der Steuerung von Fernsprechvermittlungsanlagen,insbesondere Fernsprechnebenstellenanlagen
US4639557A (en) * 1985-09-27 1987-01-27 Communications Technology Corporation Remote testing system for electrical circuits
US4670898A (en) * 1986-01-03 1987-06-02 Harris Corporation Direct access test unit for central office
US4764949A (en) * 1987-05-28 1988-08-16 Harris Corp. Subscriber/craftsperson ringback apparatus

Also Published As

Publication number Publication date
GB8913157D0 (en) 1989-08-09
US4841560A (en) 1989-06-20
IN170646B (en]) 1992-04-25
GB2217954A (en) 1989-11-01
GB2217954B (en) 1992-02-12
WO1989003622A1 (en) 1989-04-20
EP0335956A4 (en) 1990-09-26
EP0335956A1 (en) 1989-10-11

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Legal Events

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