BE886807A - Dispositif de verification de continuite pour un systeme de commutation telephonique - Google Patents

Dispositif de verification de continuite pour un systeme de commutation telephonique

Info

Publication number
BE886807A
BE886807A BE0/203278A BE203278A BE886807A BE 886807 A BE886807 A BE 886807A BE 0/203278 A BE0/203278 A BE 0/203278A BE 203278 A BE203278 A BE 203278A BE 886807 A BE886807 A BE 886807A
Authority
BE
Belgium
Prior art keywords
switching system
check device
telephone switching
continuity check
continuity
Prior art date
Application number
BE0/203278A
Other languages
English (en)
Inventor
E Hafer
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE886807A publication Critical patent/BE886807A/fr

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
    • H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control
    • 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)
  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
BE0/203278A 1979-12-26 1980-12-22 Dispositif de verification de continuite pour un systeme de commutation telephonique BE886807A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/106,393 US4296492A (en) 1979-12-26 1979-12-26 Continuity verification arrangement

Publications (1)

Publication Number Publication Date
BE886807A true BE886807A (fr) 1981-04-16

Family

ID=22311170

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/203278A BE886807A (fr) 1979-12-26 1980-12-22 Dispositif de verification de continuite pour un systeme de commutation telephonique

Country Status (12)

Country Link
US (1) US4296492A (fr)
JP (1) JPS56103591A (fr)
KR (1) KR850000658B1 (fr)
AU (1) AU541948B2 (fr)
BE (1) BE886807A (fr)
CA (1) CA1153452A (fr)
DE (1) DE3048110C2 (fr)
FR (1) FR2472895B1 (fr)
GB (1) GB2066624B (fr)
IT (1) IT1193573B (fr)
NL (1) NL190465C (fr)
SE (1) SE449546B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322843A (en) * 1979-12-26 1982-03-30 Bell Telephone Laboratories, Incorporated Control information communication arrangement for a time division switching system
US4280217A (en) * 1979-12-26 1981-07-21 Bell Telephone Laboratories, Incorporated Time division switching system control arrangement
US4472798A (en) * 1982-02-04 1984-09-18 At&T Bell Laboratories Telecommunication path substitution arrangement
US4485467A (en) * 1982-02-18 1984-11-27 Teknekron Infoswitch Corporation Digital information switch matrix with on-line/off-line diagnostic features
SE431143B (sv) * 1982-05-26 1984-01-16 Ellemtel Utvecklings Ab Sett och anordning for genomkopplingskontroll i ett digitalt telekommunikationsnet av tidsmultiplex typ
US4493073A (en) * 1982-08-30 1985-01-08 At&T Bell Laboratories Maintenance of stored program controlled switching systems
US4546475A (en) * 1982-12-06 1985-10-08 At&T Bell Laboratories Parity checking arrangement
US4500985A (en) * 1982-12-08 1985-02-19 At&T Bell Laboratories Communication path continuity verification arrangement
CA1203875A (fr) * 1983-06-16 1986-04-29 Mitel Corporation Circuit de retour pour verifier un systeme de commutation
US4520477A (en) * 1983-06-27 1985-05-28 At&T Bell Laboratories Control information communication arrangement for a time division switching system
US4635187A (en) * 1983-12-19 1987-01-06 At&T Bell Laboratories Control for a multiprocessing system program process
US4569042A (en) * 1983-12-23 1986-02-04 At&T Bell Laboratories Time measurements in a transmission path
US4621357A (en) * 1984-08-16 1986-11-04 At&T Bell Laboratories Time division switching system control arrangement and method
EP0400603A3 (fr) * 1989-05-30 1992-05-06 Nec Corporation Procédé de surveillance de circuits en état de veille adaptés pour un dispositif de multiplexage/démultiplexage
JP2849225B2 (ja) * 1991-03-18 1999-01-20 富士通株式会社 伝送装置
JPH04348630A (ja) * 1991-05-27 1992-12-03 Fujitsu Ltd 信号の伝送監視が可能な直列／並列変換部及び並列／直列変換部を備えたディジタル信号伝送装置
US5526484A (en) * 1992-12-10 1996-06-11 International Business Machines Corporation Method and system for pipelining the processing of channel command words
US5521913A (en) * 1994-09-12 1996-05-28 Amber Wave Systems, Inc. Distributed processing ethernet switch with adaptive cut-through switching
US5901201A (en) * 1997-05-14 1999-05-04 Bellsouth Corporation Switch-based line continuity verification method and system

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA893337A (en) * 1969-11-10 1972-02-15 Ibm Canada Limited - Ibm Canada Limitee Data communication system
US3743789A (en) * 1971-12-27 1973-07-03 Bell Telephone Labor Inc Busy bit for time division multiplex signals to reduce signal processing time
FR2248758A5 (fr) * 1973-09-18 1975-05-16 Materiel Telephonique
GB1450457A (en) * 1974-01-02 1976-09-22 Plessey Co Ltd Telecommunication exchange systems
GB1504897A (en) * 1974-08-09 1978-03-22 Ericsson L M Pty Ltd Method for through connection check in digital data systems
US3909562A (en) * 1974-09-12 1975-09-30 Int Standard Electric Corp Switching network testing process and arrangement
US4064369A (en) * 1975-01-31 1977-12-20 North Electric Company Method and apparatus for path testing in a time division multiplex switching network
GB1536145A (en) * 1975-06-26 1978-12-20 Plessey Co Ltd Tdm telecommunications switching systems
US4022979A (en) * 1975-12-29 1977-05-10 Bell Telephone Laboratories, Incorporated Automatic in-service digital trunk checking circuit and method
US4074072A (en) * 1976-05-24 1978-02-14 Bell Telephone Laboratories, Incorporated Multiprocessor control of a partitioned switching network by control communication through the network
US4195206A (en) * 1977-01-26 1980-03-25 Trw, Inc. Path test apparatus and method
US4201889A (en) * 1978-03-17 1980-05-06 International Telephone And Telegraph Distributed control digital switching system
US4146749A (en) * 1977-09-16 1979-03-27 Wescom Switching, Inc. Telecommunications network having multi-function spare network block
CA1097782A (fr) * 1978-06-05 1981-03-17 John J. Den Otter Systeme de commutation modulaire par partage du temps
US4280217A (en) * 1979-12-26 1981-07-21 Bell Telephone Laboratories, Incorporated Time division switching system control arrangement
US4322843A (en) * 1979-12-26 1982-03-30 Bell Telephone Laboratories, Incorporated Control information communication arrangement for a time division switching system

Also Published As

Publication number Publication date
IT1193573B (it) 1988-07-08
AU6551180A (en) 1981-07-09
JPS56103591A (en) 1981-08-18
DE3048110C2 (de) 1985-10-31
IT8026930A0 (it) 1980-12-23
FR2472895A1 (fr) 1981-07-03
GB2066624A (en) 1981-07-08
SE8008850L (sv) 1981-06-27
AU541948B2 (en) 1985-01-31
KR850000658B1 (ko) 1985-05-07
FR2472895B1 (fr) 1987-02-13
KR830004749A (ko) 1983-07-16
GB2066624B (en) 1984-02-15
JPH0318399B2 (fr) 1991-03-12
US4296492A (en) 1981-10-20
NL8007049A (nl) 1981-07-16
NL190465C (nl) 1994-03-01
DE3048110A1 (de) 1981-09-17
CA1153452A (fr) 1983-09-06
NL190465B (nl) 1993-10-01
SE449546B (sv) 1987-05-04

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 20001222