FI61375C - Foerfarande foer kontroll av genomgaoende koppling i digitala datasystem - Google Patents

Foerfarande foer kontroll av genomgaoende koppling i digitala datasystem Download PDF

Info

Publication number
FI61375C
FI61375C FI752246A FI752246A FI61375C FI 61375 C FI61375 C FI 61375C FI 752246 A FI752246 A FI 752246A FI 752246 A FI752246 A FI 752246A FI 61375 C FI61375 C FI 61375C
Authority
FI
Finland
Prior art keywords
memory
parity
line
time
input
Prior art date
Application number
FI752246A
Other languages
English (en)
Finnish (fi)
Other versions
FI752246A (th
FI61375B (fi
Inventor
Walter Ghisler
Original Assignee
Ericsson L M 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 Ericsson L M Pty Ltd filed Critical Ericsson L M Pty Ltd
Publication of FI752246A publication Critical patent/FI752246A/fi
Application granted granted Critical
Publication of FI61375B publication Critical patent/FI61375B/fi
Publication of FI61375C publication Critical patent/FI61375C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
FI752246A 1974-08-09 1975-08-07 Foerfarande foer kontroll av genomgaoende koppling i digitala datasystem FI61375C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPB846274 1974-08-09
AUPB846274 1974-08-09

Publications (3)

Publication Number Publication Date
FI752246A FI752246A (th) 1976-02-10
FI61375B FI61375B (fi) 1982-03-31
FI61375C true FI61375C (fi) 1982-07-12

Family

ID=3765972

Family Applications (1)

Application Number Title Priority Date Filing Date
FI752246A FI61375C (fi) 1974-08-09 1975-08-07 Foerfarande foer kontroll av genomgaoende koppling i digitala datasystem

Country Status (13)

Country Link
US (1) US4048445A (th)
JP (1) JPS5939941B2 (th)
BE (1) BE832249A (th)
CA (1) CA1056039A (th)
DE (1) DE2535573C2 (th)
DK (2) DK140200B (th)
ES (1) ES440143A1 (th)
FI (1) FI61375C (th)
FR (1) FR2281605A1 (th)
GB (1) GB1504897A (th)
IT (1) IT1040390B (th)
NL (1) NL186286C (th)
NO (1) NO143647C (th)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195206A (en) * 1977-01-26 1980-03-25 Trw, Inc. Path test apparatus and method
GB1582583A (en) * 1977-04-05 1981-01-14 Gen Electric Co Ltd Digital switching arrangements for stored programme control telecommunications systems
DE2718317A1 (de) * 1977-04-25 1978-11-02 Gen Electric Co Ltd Digital koppelnde fernmeldevermittlungseinrichtung
US4254498A (en) * 1978-02-01 1981-03-03 Nippon Telegraph And Telephone Public Corporation Time division telephone switching systems
US4320497A (en) * 1978-12-07 1982-03-16 Tokyo Shibaura Denki Kabushiki Kaisha Method for testing communication paths
DE2905427A1 (de) * 1979-02-13 1980-08-21 Siemens Ag Verfahren zur pruefung des sprachspeichers einer pcm-zeitmultiplex-vermittlungseinheit
ZA804387B (en) * 1979-08-10 1981-07-29 Plessey Co Ltd Channel zero switching arrangements for digital telecommunication exchanges
US4296492A (en) * 1979-12-26 1981-10-20 Bell Telephone Laboratories, Incorporated Continuity verification arrangement
US4345324A (en) * 1980-07-09 1982-08-17 Christian Rovsing A/S Process and system for error detection in a computer-controlled telephone exchange
DE3037419C2 (de) * 1980-10-03 1985-05-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zum Überwachen unzulässiger Verbindungen in einem Koppelfeld für Vermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen
US4429391A (en) 1981-05-04 1984-01-31 Bell Telephone Laboratories, Incorporated Fault and error detection arrangement
SE431143B (sv) * 1982-05-26 1984-01-16 Ellemtel Utvecklings Ab Sett och anordning for genomkopplingskontroll i ett digitalt telekommunikationsnet av tidsmultiplex typ
US4683564A (en) * 1982-11-22 1987-07-28 Data Switch Corporation Matrix switch system
US4500985A (en) * 1982-12-08 1985-02-19 At&T Bell Laboratories Communication path continuity verification arrangement
US4520478A (en) * 1983-06-22 1985-05-28 Gte Automatic Electric Inc. Space stage arrangement for a T-S-T digital switching system
DE3566482D1 (en) * 1984-05-29 1988-12-29 Siemens Ag Method for testing switched connexions of a multiplex space division switching network
AR241357A1 (es) * 1986-06-27 1992-05-29 Siemens Ag Disposicion de circuito para vigilar la transmision de informacion en vias de enlace tetrafilares conmutadas.
US5781544A (en) * 1996-01-17 1998-07-14 Lsi Logic Corporation Method for interleaving network traffic over serial lines
US5787114A (en) * 1996-01-17 1998-07-28 Lsi Logic Corporation Loop-back test system and method
US5956370A (en) * 1996-01-17 1999-09-21 Lsi Logic Corporation Wrap-back test system and method
US5781038A (en) * 1996-02-05 1998-07-14 Lsi Logic Corporation High speed phase locked loop test method and means
US5896426A (en) * 1996-02-05 1999-04-20 Lsi Logic Corporation Programmable synchronization character
SE9603801L (sv) * 1996-10-16 1998-04-17 Ericsson Telefon Ab L M System av kommunicerande enheter och ett förfarande i systemet
SE517973C2 (sv) 1997-01-27 2002-08-13 Ericsson Telefon Ab L M Kontrollmetod vid växelenhet samt anordning verkande enligt metoden
US6341142B2 (en) 1997-12-16 2002-01-22 Lsi Logic Corporation Serial data transceiver including elements which facilitate functional testing requiring access to only the serial data ports, and an associated test method
US6208621B1 (en) 1997-12-16 2001-03-27 Lsi Logic Corporation Apparatus and method for testing the ability of a pair of serial data transceivers to transmit serial data at one frequency and to receive serial data at another frequency
US6331999B1 (en) 1998-01-15 2001-12-18 Lsi Logic Corporation Serial data transceiver architecture and test method for measuring the amount of jitter within a serial data stream
JP3930440B2 (ja) 2003-02-24 2007-06-13 Ｙｋｋ株式会社 スライドファスナー用経編テープ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4327263Y1 (th) * 1967-11-28 1968-11-11
GB1257623A (th) * 1967-12-11 1971-12-22 Post Office
US3573377A (en) * 1969-02-24 1971-04-06 Bell Telephone Labor Inc Equipment to coordinate establishment of audio and video connections through switching systems
JPS4831812A (th) * 1971-08-30 1973-04-26
JPS5314176B2 (th) * 1972-05-15 1978-05-16
US3851122A (en) * 1972-07-05 1974-11-26 Gte Automatic Electric Lab Inc Path verification arrangement for automatically testing conditions
US3891805A (en) * 1973-11-21 1975-06-24 James Loton Flanagan Digital signal detection in telephonic communication systems

Also Published As

Publication number Publication date
NO752785L (th) 1976-02-10
NL7509494A (nl) 1976-02-11
ES440143A1 (es) 1977-03-01
NO143647B (no) 1980-12-08
DE2535573A1 (de) 1976-02-26
FR2281605B1 (th) 1983-02-11
JPS5144405A (th) 1976-04-16
BE832249A (fr) 1975-12-01
CA1056039A (en) 1979-06-05
FI752246A (th) 1976-02-10
IT1040390B (it) 1979-12-20
NL186286C (nl) 1990-10-16
US4048445A (en) 1977-09-13
DK140200B (da) 1979-07-02
DE2535573C2 (de) 1986-02-20
DK362175A (da) 1976-02-10
DK140200C (da) 1979-11-26
NO143647C (no) 1981-03-18
JPS5939941B2 (ja) 1984-09-27
FR2281605A1 (fr) 1976-03-05
GB1504897A (en) 1978-03-22
NL186286B (nl) 1990-05-16
FI61375B (fi) 1982-03-31

Similar Documents

Publication Publication Date Title
FI61375C (fi) Foerfarande foer kontroll av genomgaoende koppling i digitala datasystem
US4322843A (en) Control information communication arrangement for a time division switching system
US4149038A (en) Method and apparatus for fault detection in PCM muliplexed system
US4280217A (en) Time division switching system control arrangement
US4064369A (en) Method and apparatus for path testing in a time division multiplex switching network
US4685102A (en) Switching system loopback test circuit
US6226261B1 (en) Redundant switching arrangement
US4296492A (en) Continuity verification arrangement
US4616360A (en) Peripheral control for a digital telephone system
ES424447A1 (es) Un aparato para conmutar datos digitales en un sistema te- lefonico o en un sistema de datos.
US5153920A (en) Method and circuit arrangement for the acceptance and forwarding of message cells transmitted according to an asynchronous transfer mode by an asynchronous transfer mode switching equipment
GB1457930A (en) Digital message switching and transmitting system
US4484324A (en) Control information communication arrangement for a time division switching system
JPS59501086A (ja) 分布制御システムの通信構成
GB1472924A (en) Telephone call simulator
US4030069A (en) Redundant message metering network
US3937895A (en) Circuit arrangement for detecting double connections in digital telecommunication switching systems
US3935391A (en) Time division multiplex switching system
US4156110A (en) Data verifier
US4354264A (en) Digital ring control system for digital multiplexer
US4532624A (en) Parity checking arrangement for a remote switching unit network
SE461432B (sv) Tidsmultiplexkopplingssystem med utrustning foer testning av ledig tidsluckevaeg
US4509168A (en) Digital remote switching unit
US4596015A (en) Failure detection apparatus for use with digital pads
FI72628C (fi) Indirekt styrd telekommunikationsanlaeggning, saerskilt en med tidskanalkopplingar foersedd fjaerrtelefoncentralanlaeggning.

Legal Events

Date Code Title Description
MA Patent expired
MA Patent expired

Owner name: L M ERICSSON PTY LTD.