IT8324414A0 - Circuito di prova di sistema commutatore. - Google Patents

Circuito di prova di sistema commutatore.

Info

Publication number
IT8324414A0
IT8324414A0 IT8324414A IT2441483A IT8324414A0 IT 8324414 A0 IT8324414 A0 IT 8324414A0 IT 8324414 A IT8324414 A IT 8324414A IT 2441483 A IT2441483 A IT 2441483A IT 8324414 A0 IT8324414 A0 IT 8324414A0
Authority
IT
Italy
Prior art keywords
test circuit
switching system
system test
switching
circuit
Prior art date
Application number
IT8324414A
Other languages
English (en)
Other versions
IT1170293B (it
IT8324414A1 (it
Inventor
Conrad Lewis
Original Assignee
Mitel Corp
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 Mitel Corp filed Critical Mitel Corp
Publication of IT8324414A0 publication Critical patent/IT8324414A0/it
Publication of IT8324414A1 publication Critical patent/IT8324414A1/it
Application granted granted Critical
Publication of IT1170293B publication Critical patent/IT1170293B/it

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • H04M3/323Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges for the arrangements providing the connection (test connection, test call, call simulation)
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/24Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/244Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0407Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
IT24414/83A 1983-06-16 1983-12-28 Circuito di prova di sistema commutatore IT1170293B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000430531A CA1203875A (en) 1983-06-16 1983-06-16 Switching system loopback test circuit

Publications (3)

Publication Number Publication Date
IT8324414A0 true IT8324414A0 (it) 1983-12-28
IT8324414A1 IT8324414A1 (it) 1985-06-28
IT1170293B IT1170293B (it) 1987-06-03

Family

ID=4125493

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24414/83A IT1170293B (it) 1983-06-16 1983-12-28 Circuito di prova di sistema commutatore

Country Status (9)

Country Link
US (1) US4685102A (it)
JP (1) JPS609259A (it)
CA (1) CA1203875A (it)
DE (1) DE3416990C2 (it)
ES (1) ES530123A0 (it)
FR (1) FR2547686A1 (it)
GB (1) GB2141606B (it)
IT (1) IT1170293B (it)
MX (1) MX155099A (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745593A (en) * 1986-11-17 1988-05-17 American Telephone And Telegraph Company, At&T Bell Laboratories Arrangement for testing packet switching networks
US4860281A (en) * 1988-02-29 1989-08-22 Motorola, Inc. Individual subchannel loopback in the PCM interfaces of a digital telephone exchange with control of the outbound path
US5060227A (en) * 1988-02-29 1991-10-22 Motorola, Inc. Digital telephone switch with simultaneous dual PCM format compatibility
GB2219172B (en) * 1988-03-30 1992-07-08 Plessey Co Plc A data path checking system
JP2719523B2 (ja) * 1988-09-03 1998-02-25 株式会社日立製製所 再生中継器およびネットワークシステム
US5309448A (en) * 1992-01-03 1994-05-03 International Business Machines Corporation Methods and systems for alarm correlation and fault localization in communication networks
ES2173079T3 (es) * 1992-11-20 2002-10-16 Siemens Ag Procedimiento para la supervision de conexiones telefonicas existentes, especialmente conexiones telefonicas conmutadas de forma permanente.
WO1995015630A1 (en) * 1993-11-30 1995-06-08 Integrated Network Corporation Network interface unit remote test pattern generation
JPH07160154A (ja) * 1993-12-06 1995-06-23 Minolta Co Ltd 異常箇所検出方法
GB9406212D0 (en) * 1994-03-29 1994-05-18 Plessey Telecomm Telecommunication customer interface
JP3454297B2 (ja) * 1995-04-10 2003-10-06 インターナショナル・ビジネス・マシーンズ・コーポレーション ネットワーク・スイッチ間のリンクをテストするための方法および装置
FI106334B (fi) * 1998-05-08 2001-01-15 Ericsson Telefon Ab L M Menetelmä ja järjestely testaukseen
US8089888B2 (en) * 2001-12-10 2012-01-03 Qualcomm Incorporated Method and apparatus for testing traffic and auxiliary channels in a wireless data communication system
KR20040020517A (ko) * 2002-08-30 2004-03-09 주식회사 현대시스콤 이동통신시스템에서 제어국 관리부의 이중화 링크 절체방법
US7324458B2 (en) * 2003-03-21 2008-01-29 Intel Corporation Physical layer loopback
US20070180329A1 (en) * 2006-01-31 2007-08-02 Lanus Mark S Method of latent fault checking a management network
JP5549917B2 (ja) 2008-11-07 2014-07-16 株式会社リコー 電子写真感光体、それを用いた画像形成方法、画像形成装置及び画像形成装置用プロセスカートリッジ
JP5505791B2 (ja) 2009-06-25 2014-05-28 株式会社リコー 画像形成装置、プロセスカートリッジ及び画像形成方法
JP5477112B2 (ja) * 2010-03-31 2014-04-23 富士通株式会社 ネットワークシステムの試験方法
US8913507B2 (en) * 2012-06-21 2014-12-16 Breakingpoint Systems, Inc. Virtual data loopback and/or data capture in a computing system

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1444919A (en) * 1972-11-14 1976-08-04 Gen Electric Co Ltd Telecommunication switching systems wiring harnesses for buildings
FR2252718B1 (it) * 1973-11-27 1978-11-10 Materiel Telephonique
GB1450457A (en) * 1974-01-02 1976-09-22 Plessey Co Ltd Telecommunication exchange systems
NL7701521A (nl) * 1976-02-17 1977-08-19 Thomson Csf Symmetrische tijdelijk matrix, alsmede ver- bindingsnetwerk voorzien van een dergelijke matrix.
US4046964A (en) * 1976-06-24 1977-09-06 Bell Telephone Laboratories, Incorporated Testing of digital systems
DE2735341C3 (de) * 1977-08-05 1984-05-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Anordnung zur Durchgangsprüfung in Fernmeldeanlagen
US4279032A (en) * 1979-04-26 1981-07-14 Bell Telephone Laboratories, Incorporated Channel bank loop-around test arrangement and method
JPS5657384A (en) * 1979-10-15 1981-05-19 Fujitsu Ltd Continuity test system of channel
US4296492A (en) * 1979-12-26 1981-10-20 Bell Telephone Laboratories, Incorporated Continuity verification arrangement
JPS607427B2 (ja) * 1980-04-10 1985-02-25 富士通株式会社 時分割通話路導通試験方式
US4393491A (en) * 1980-11-05 1983-07-12 Anaconda-Ericsson Automatic self-test system for a digital multiplexed telecommunication system
DE3046217A1 (de) * 1980-12-08 1982-07-15 Siemens AG, 1000 Berlin und 8000 München Verfahren zum anschalten von zu pruefenden baugruppen an pruefungseinrichtungen in zentral gesteuerten fernsprechnebenstellenanlagen
US4435704A (en) * 1981-03-13 1984-03-06 Hitachi, Ltd. Loop transmission system
JPS57206154A (en) * 1981-06-13 1982-12-17 Fujitsu Ltd Foldover testing system for folding
CA1171946A (en) * 1981-09-11 1984-07-31 Mitel Corporation Time division switching matrix
DE3212236C1 (de) * 1982-03-30 1983-04-21 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für zentralgesteuerte Fernmeldeanlagen, insbesondere Fernsprechnebenstellenanlagen, mit über Datenübertragungsleitungsbündel steuerbaren zentralen und dezentralen Einrichtungen (zentrale Fehlererkennungseinrichtungen)
DE3215672C1 (de) * 1982-04-27 1983-08-11 Siemens AG, 1000 Berlin und 8000 München Anordnung zur automatischen Prüfung von Fernsprechanlagen, insbesondere Fernsprechnebenstellenanlagen
US4486877A (en) * 1982-06-25 1984-12-04 At&T Bell Laboratories Packet switching loop-around network and facilities testing
CA1199394A (en) * 1983-02-18 1986-01-14 Conrad Lewis Switching system with separate supervisory links

Also Published As

Publication number Publication date
GB8400497D0 (en) 1984-02-15
GB2141606B (en) 1987-04-08
US4685102A (en) 1987-08-04
DE3416990A1 (de) 1984-12-20
FR2547686A1 (fr) 1984-12-21
CA1203875A (en) 1986-04-29
IT1170293B (it) 1987-06-03
IT8324414A1 (it) 1985-06-28
MX155099A (es) 1988-01-26
DE3416990C2 (de) 1987-05-07
ES8501191A1 (es) 1984-11-01
ES530123A0 (es) 1984-11-01
JPS609259A (ja) 1985-01-18
GB2141606A (en) 1984-12-19

Similar Documents

Publication Publication Date Title
ES548485A0 (es) Sistema de transferencia de circuitos
DE3485409D1 (de) Halbleiterschaltvorrichtung.
NO166825C (no) Hoeyspennings-tilkoplingsanordning.
DE3481880D1 (de) Schaltkreis.
IT8324414A0 (it) Circuito di prova di sistema commutatore.
BR8403775A (pt) Sistema de indicacao de retorno
IT8419576A0 (it) Sistema di connessione elettrica per interruttori.
IT8422043A0 (it) Circuito elaboratore di segnali.
IT8224720A0 (it) Circuito demultiplatore.
BR8200610A (pt) Sistema interruptor de circuito
ES536153A0 (es) Sistema de telecomunicaciones
DE3485292D1 (de) Lade-entladekreis.
IT8321451A0 (it) Impianto frigorifero.
IT1206117B (it) Circuito demultiplatore.
DE3485535D1 (de) Multiplizierschaltung.
FI841558A (fi) Kopplingsanordning.
BR8406560A (pt) Sistema de passadico
IT8321450A0 (it) Impianto frigorifero.
DE3484790D1 (de) Abtasthalteschaltung.
IT8320412A0 (it) Dispositivo di connessione.
DK166340C (da) Elektronisk skiftesystem
BR8504875A (pt) Conjunto de circuito para sistema telefonico
DE3650136D1 (de) Schaltung zur Speicherschaltzustanderkennung.
ES521475A0 (es) Sistema rotoacumulador inercial.
BR8400959A (pt) Sistema turbocomposto

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961230