TW357535B - Subscriber-line circuit for the connection of an analog subscriber line to a digital time-division multiplex telephone exchange - Google Patents

Subscriber-line circuit for the connection of an analog subscriber line to a digital time-division multiplex telephone exchange

Info

Publication number
TW357535B
TW357535B TW086113732A TW86113732A TW357535B TW 357535 B TW357535 B TW 357535B TW 086113732 A TW086113732 A TW 086113732A TW 86113732 A TW86113732 A TW 86113732A TW 357535 B TW357535 B TW 357535B
Authority
TW
Taiwan
Prior art keywords
subscriber
line
circuit
connection
subscriber line
Prior art date
Application number
TW086113732A
Other languages
English (en)
Inventor
Paul Kunisch
Roland Krimmer
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of TW357535B publication Critical patent/TW357535B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13003—Constructional details of switching devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1309—Apparatus individually associated with a subscriber line, line circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1316—Service observation, testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
TW086113732A 1996-09-27 1997-09-22 Subscriber-line circuit for the connection of an analog subscriber line to a digital time-division multiplex telephone exchange TW357535B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19639885A DE19639885C1 (de) 1996-09-27 1996-09-27 Teilnehmeranschlußschaltung für den Anschluß einer analogen Teilnehmerleitung an eine digitale Zeitmultiplex-Fernsprechvermittlungsstelle

Publications (1)

Publication Number Publication Date
TW357535B true TW357535B (en) 1999-05-01

Family

ID=7807162

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086113732A TW357535B (en) 1996-09-27 1997-09-22 Subscriber-line circuit for the connection of an analog subscriber line to a digital time-division multiplex telephone exchange

Country Status (8)

Country Link
US (1) US6052437A (zh)
EP (1) EP0835014A3 (zh)
CN (1) CN1150743C (zh)
AR (1) AR008488A1 (zh)
BR (1) BR9704897A (zh)
DE (1) DE19639885C1 (zh)
RU (1) RU2162278C2 (zh)
TW (1) TW357535B (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19907925C2 (de) * 1999-02-24 2000-12-28 Siemens Ag Teilnehmeranschlußschaltung für den Anschluß einer analogen Teilnehmerleitung mit integrierten Mitteln zur Durchführung von Prüffunktionen
US20020106091A1 (en) 2001-02-02 2002-08-08 Furst Claus Erdmann Microphone unit with internal A/D converter
IL144158A (en) * 2001-07-05 2011-06-30 Mosaid Technologies Inc Socket for connecting an analog telephone to a digital communications network that carries digital voice signals
DE102005046964A1 (de) * 2005-09-30 2007-04-05 Siemens Ag Verfahren und Anordnung zum Durchführen eines Satztests an einer Teilnehmeranschlussbaugruppe

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912882A (en) * 1973-12-07 1975-10-14 Tm Systems Remote loop-back terminating unit for testing telephone
FR2518855A1 (fr) * 1981-12-18 1983-06-24 Trt Telecom Radio Electr Dispositif individuel d'essais de ligne et de joncteur d'abonne integre a un joncteur electronique
DE3534861C2 (de) * 1985-09-30 1994-04-28 Siemens Ag Halbleiterschalter aus zwei mit ihren Source-Drain-Strecken antiseriell geschalteten MOS-Schalttransistoren
US4807277A (en) * 1987-05-15 1989-02-21 Keptel, Inc. Remotely activated switching apparatus
GB2229063B (en) * 1989-03-09 1993-04-07 Plessey Telecomm Telecommunications exchange apparatus
ES2095265T3 (es) * 1990-04-12 1997-02-16 Siemens Ag Procedimiento para verificar propiedades de transmision de un circuito de conexion de abonado.
JPH05167679A (ja) * 1991-12-17 1993-07-02 Hitachi Ltd 交換システムおよび加入者回路制御装置
US5323460A (en) * 1992-01-07 1994-06-21 Ag Communication Systems Corporation Enhanced subscriber line interface circuit
GB9200332D0 (en) * 1992-01-08 1992-02-26 Plessey Telecomm Termination unit with maintenance facility
US5483573A (en) * 1993-06-30 1996-01-09 Keptel, Inc. Electric circuit connector with auto-termination
DE4402461A1 (de) * 1994-01-28 1995-08-03 Sel Alcatel Ag Schutzschaltung für eine Teilnehmeranschlußschaltung sowie Teilnehmeranschlußschaltung damit
US5677941A (en) * 1995-03-02 1997-10-14 Lucent Technologies Inc. Channel test unit

Also Published As

Publication number Publication date
DE19639885C1 (de) 1998-03-26
RU2162278C2 (ru) 2001-01-20
CN1150743C (zh) 2004-05-19
EP0835014A2 (de) 1998-04-08
BR9704897A (pt) 1998-11-24
EP0835014A3 (de) 2004-01-14
CN1178423A (zh) 1998-04-08
US6052437A (en) 2000-04-18
AR008488A1 (es) 2000-01-19

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees