JPS56103591A - Continuous conforming device for confirming cointinuity of communication passage through time division exchange circuit - Google Patents

Continuous conforming device for confirming cointinuity of communication passage through time division exchange circuit

Info

Publication number
JPS56103591A
JPS56103591A JP18416980A JP18416980A JPS56103591A JP S56103591 A JPS56103591 A JP S56103591A JP 18416980 A JP18416980 A JP 18416980A JP 18416980 A JP18416980 A JP 18416980A JP S56103591 A JPS56103591 A JP S56103591A
Authority
JP
Japan
Prior art keywords
cointinuity
confirming
time division
communication passage
exchange circuit
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.)
Granted
Application number
JP18416980A
Other languages
English (en)
Other versions
JPH0318399B2 (ja
Inventor
Henrii Haafuaa Edowaado
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Inc filed Critical Western Electric Co Inc
Publication of JPS56103591A publication Critical patent/JPS56103591A/ja
Publication of JPH0318399B2 publication Critical patent/JPH0318399B2/ja
Granted legal-status Critical Current

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
    • 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

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)
JP18416980A 1979-12-26 1980-12-26 Continuous conforming device for confirming cointinuity of communication passage through time division exchange circuit Granted JPS56103591A (en)

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 (2)

Publication Number Publication Date
JPS56103591A true JPS56103591A (en) 1981-08-18
JPH0318399B2 JPH0318399B2 (ja) 1991-03-12

Family

ID=22311170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18416980A Granted JPS56103591A (en) 1979-12-26 1980-12-26 Continuous conforming device for confirming cointinuity of communication passage through time division exchange circuit

Country Status (12)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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 (en) * 1983-06-16 1986-04-29 Mitel Corporation Switching system loopback test circuit
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
AU638015B2 (en) * 1989-05-30 1993-06-17 Nec Corporation Monitoring method for stand-by circuits suitable for a multiplexing/demultiplexing apparatus
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 (ja) * 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 (en) * 1978-06-05 1981-03-17 John J. Den Otter Modular time division switching system
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
JPH0318399B2 (ja) 1991-03-12
IT8026930A0 (it) 1980-12-23
FR2472895A1 (fr) 1981-07-03
BE886807A (fr) 1981-04-16
SE8008850L (sv) 1981-06-27
KR850000658B1 (ko) 1985-05-07
US4296492A (en) 1981-10-20
FR2472895B1 (fr) 1987-02-13
IT1193573B (it) 1988-07-08
DE3048110C2 (de) 1985-10-31
CA1153452A (en) 1983-09-06
NL8007049A (nl) 1981-07-16
GB2066624B (en) 1984-02-15
NL190465B (nl) 1993-10-01
KR830004749A (ko) 1983-07-16
GB2066624A (en) 1981-07-08
AU541948B2 (en) 1985-01-31
SE449546B (sv) 1987-05-04
DE3048110A1 (de) 1981-09-17
AU6551180A (en) 1981-07-09
NL190465C (nl) 1994-03-01

Similar Documents

Publication Publication Date Title
JPS56103591A (en) Continuous conforming device for confirming cointinuity of communication passage through time division exchange circuit
DE3070243D1 (en) System for electronic audio communication
DE3065401D1 (en) Communication apparatus
JPS55127839A (en) Line protector for communication circuit
JPS5464910A (en) Communication exchange system
GB2066625B (en) Communications apparatus
JPS55139099A (en) Line protector for communication circuit
JPS56103585A (en) Communication exchange system
JPS5449007A (en) Communication exchange system
GB2128446B (en) Telecommunication exchange
JPS554200A (en) Circuit device for exchange facility
JPS5630394A (en) Electric communication exchange system
JPS5550769A (en) Transmission bridge for subscriber circuit
GB2003006B (en) Circuit transfer apparatus
DE3071390D1 (en) Terminal apparatus for telecommunications lines
GB2055274B (en) Telecommunications line circuit
JPS55165092A (en) Automatic telephone exchange circuit
JPS5413717A (en) Distributor parts for telephone exchange
JPS55150660A (en) Connecting circuit for telephone line
JPS5639671A (en) Communication exchange circuit device for timingly stepping arithmetic pulse frequency
JPS568992A (en) Time division telephone exchange device
IL59431A (en) Method for operating a telephone exchange
JPS57211899A (en) Time division multiplex communication exchange circuit device
GB2061063B (en) Telecommunications exchange
JPS5779794A (en) Pom channel exchange circuit