SE501021C2 - Anordning för provning av linjeanslutningar vid telefonväxel - Google Patents

Anordning för provning av linjeanslutningar vid telefonväxel

Info

Publication number
SE501021C2
SE501021C2 SE9301090A SE9301090A SE501021C2 SE 501021 C2 SE501021 C2 SE 501021C2 SE 9301090 A SE9301090 A SE 9301090A SE 9301090 A SE9301090 A SE 9301090A SE 501021 C2 SE501021 C2 SE 501021C2
Authority
SE
Sweden
Prior art keywords
bit sequence
line
telephone
connection
received
Prior art date
Application number
SE9301090A
Other languages
English (en)
Swedish (sv)
Other versions
SE9301090L (sv
SE9301090D0 (sv
Inventor
Olof Lindstroem
Anna Bostroem
Hans Broberg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9301090A priority Critical patent/SE501021C2/sv
Publication of SE9301090D0 publication Critical patent/SE9301090D0/xx
Priority to NO941106A priority patent/NO308687B1/no
Priority to AT94850053T priority patent/ATE177891T1/de
Priority to ES94850053T priority patent/ES2130388T3/es
Priority to DE69417084T priority patent/DE69417084T2/de
Priority to EP94850053A priority patent/EP0618714B1/de
Priority to DK94850053T priority patent/DK0618714T3/da
Priority to FI941516A priority patent/FI941516A7/fi
Priority to AU59238/94A priority patent/AU683867B2/en
Priority to US08/221,232 priority patent/US5446781A/en
Publication of SE9301090L publication Critical patent/SE9301090L/
Publication of SE501021C2 publication Critical patent/SE501021C2/sv
Priority to GR990401593T priority patent/GR3030518T3/el

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
    • 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
    • H04L1/241—Testing correct operation using pseudo-errors
    • 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)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
SE9301090A 1993-04-01 1993-04-01 Anordning för provning av linjeanslutningar vid telefonväxel SE501021C2 (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE9301090A SE501021C2 (sv) 1993-04-01 1993-04-01 Anordning för provning av linjeanslutningar vid telefonväxel
NO941106A NO308687B1 (no) 1993-04-01 1994-03-25 Anordning for testing av linjeforbindelser ved en digital telefonsentral
DK94850053T DK0618714T3 (da) 1993-04-01 1994-03-30 Indretning til test af abonnentlinier i en digital omskifter
DE69417084T DE69417084T2 (de) 1993-04-01 1994-03-30 Anordnung zur Prüfung der Teilnehmeranschlussleitungen einer digitalen Vermittlungseinrichtung
ES94850053T ES2130388T3 (es) 1993-04-01 1994-03-30 Un dispositivo para probar lineas de abonados en un conmutador digital.
AT94850053T ATE177891T1 (de) 1993-04-01 1994-03-30 Anordnung zur prüfung der teilnehmeranschlussleitungen einer digitalen vermittlungseinrichtung
EP94850053A EP0618714B1 (de) 1993-04-01 1994-03-30 Anordnung zur Prüfung der Teilnehmeranschlussleitungen einer digitalen Vermittlungseinrichtung
FI941516A FI941516A7 (fi) 1993-04-01 1994-03-31 Tilaajaliitäntöjen tarkastus digitaalisessa keskuksessa
AU59238/94A AU683867B2 (en) 1993-04-01 1994-03-31 Testing of subscriber lines in a digital switch
US08/221,232 US5446781A (en) 1993-04-01 1994-03-31 Testing of subscriber lines in a digital switch
GR990401593T GR3030518T3 (en) 1993-04-01 1999-06-16 A device for testing subscriber lines in a digital switch.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9301090A SE501021C2 (sv) 1993-04-01 1993-04-01 Anordning för provning av linjeanslutningar vid telefonväxel

Publications (3)

Publication Number Publication Date
SE9301090D0 SE9301090D0 (sv) 1993-04-01
SE9301090L SE9301090L (sv) 1994-10-02
SE501021C2 true SE501021C2 (sv) 1994-10-24

Family

ID=20389439

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9301090A SE501021C2 (sv) 1993-04-01 1993-04-01 Anordning för provning av linjeanslutningar vid telefonväxel

Country Status (11)

Country Link
US (1) US5446781A (de)
EP (1) EP0618714B1 (de)
AT (1) ATE177891T1 (de)
AU (1) AU683867B2 (de)
DE (1) DE69417084T2 (de)
DK (1) DK0618714T3 (de)
ES (1) ES2130388T3 (de)
FI (1) FI941516A7 (de)
GR (1) GR3030518T3 (de)
NO (1) NO308687B1 (de)
SE (1) SE501021C2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9406212D0 (en) * 1994-03-29 1994-05-18 Plessey Telecomm Telecommunication customer interface
FR2726725B1 (fr) * 1994-11-09 1996-12-20 Alcatel Mobile Comm France Dispositif de test de terminaux de telecommunications, notamment de radiocommunications mobiles, et terminal de telecommunications apte a etre teste au moyen d'un tel dispositif
US5784406A (en) * 1995-06-29 1998-07-21 Qualcom Incorporated Method and apparatus for objectively characterizing communications link quality
FR2762744B1 (fr) * 1997-04-25 1999-07-30 France Telecom Procede de verification d'une ligne d'abonne connectee a un reseau numerique, et installation pour la mise en oeuvre de ce procede
US6128369A (en) * 1997-05-14 2000-10-03 A.T.&T. Corp. Employing customer premises equipment in communications network maintenance
US5966427A (en) * 1997-09-30 1999-10-12 Siemens Information Apparatus and method for troubleshooting internet protocol telephony networks
CN1070329C (zh) * 1998-03-11 2001-08-29 广东省电信科学技术研究院 市话用户线报障集中自动测试的方法
DE19859835A1 (de) * 1998-12-23 2000-06-29 Alcatel Sa Anwendungsspezifische Halbleiterschaltung (ASIC) für den Einsatz in Übertragungseinrichtungen eines digitalen Netzwerks
GB2345405A (en) * 1998-12-30 2000-07-05 Mitel Corp Measuring the bit error rate of TDM telecommunications channels
DE10023891B4 (de) * 2000-05-17 2012-03-08 Deutsche Telekom Ag System und Verfahren zum Prüfen eines digitalen Teilnehmeranschlusses
SG87150A1 (en) * 2000-08-07 2002-03-19 Pt Inputronik Utama Telephone line status monitor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1540900A (en) * 1975-06-30 1979-02-21 Ericsson L M Pty Ltd Digital testing and power control in a digital communication system
US4207433A (en) * 1978-09-25 1980-06-10 International Telephone And Telegraph Corporation Test arrangement for communication paths in time-division multiplexed switching systems
GB2101751B (en) * 1981-07-07 1985-01-03 Standard Telephones Cables Ltd Line circuit testing.
US4660194A (en) * 1984-04-05 1987-04-21 New York Telephone Company Method and apparatus for testing a subscriber's line circuit in a packet switched multiplexed data/voice communication system
GB2158326B (en) * 1984-04-26 1987-08-26 Standard Telephones Cables Ltd Testing arrangements of a digital switching systems
JPS60251751A (ja) * 1984-05-29 1985-12-12 Fujitsu Ltd デイジタル加入者線試験方式
US4688209A (en) * 1984-11-27 1987-08-18 American Telephone And Telegraph Company, At&T Bell Laboratories Method and apparatus for looping around a digital transmission line at a channel unit
JPS61264852A (ja) * 1985-05-20 1986-11-22 Fujitsu Ltd ディジタル加入者線試験方式
US4943993A (en) * 1988-02-17 1990-07-24 Fore Don C Cable pair tester
JPH0388445A (ja) * 1989-08-30 1991-04-12 Fujitsu Ltd ループバックの試験起動方式
EP0419697B1 (de) * 1989-09-26 1994-06-15 Siemens Aktiengesellschaft Verfahren zur Messung der Bitfehlerrate bei der Übertragung von digitalen Informationen
EP0471216B1 (de) * 1990-08-14 1995-03-29 Siemens Aktiengesellschaft Verfahren zur Leitungsanschlussprüfung vor einer Umschaltung von einer ausser Betrieb zu nehmenden Fernsprechvermittlungsstelle auf eine neu in Betrieb zu nehmende digitale Fernsprechvermittlungsstelle

Also Published As

Publication number Publication date
DE69417084D1 (de) 1999-04-22
AU5923894A (en) 1994-10-06
NO308687B1 (no) 2000-10-09
EP0618714A1 (de) 1994-10-05
US5446781A (en) 1995-08-29
FI941516A7 (fi) 1994-10-02
SE9301090L (sv) 1994-10-02
NO941106D0 (no) 1994-03-25
NO941106L (no) 1994-10-03
FI941516A0 (fi) 1994-03-31
EP0618714B1 (de) 1999-03-17
AU683867B2 (en) 1997-11-27
ES2130388T3 (es) 1999-07-01
DK0618714T3 (da) 1999-10-11
DE69417084T2 (de) 1999-09-30
SE9301090D0 (sv) 1993-04-01
GR3030518T3 (en) 1999-10-29
ATE177891T1 (de) 1999-04-15

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Legal Events

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