DE3586901T2 - Zeitvielfachvermittlungsanlage zur durchfuehrung eines rueckschleiftests. - Google Patents

Zeitvielfachvermittlungsanlage zur durchfuehrung eines rueckschleiftests.

Info

Publication number
DE3586901T2
DE3586901T2 DE8585110205T DE3586901T DE3586901T2 DE 3586901 T2 DE3586901 T2 DE 3586901T2 DE 8585110205 T DE8585110205 T DE 8585110205T DE 3586901 T DE3586901 T DE 3586901T DE 3586901 T2 DE3586901 T2 DE 3586901T2
Authority
DE
Germany
Prior art keywords
grind
carrying
down test
multiplication system
time multiplication
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.)
Expired - Fee Related
Application number
DE8585110205T
Other languages
English (en)
Other versions
DE3586901D1 (de
Inventor
Tomohiro Kawaguchi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE3586901D1 publication Critical patent/DE3586901D1/de
Application granted granted Critical
Publication of DE3586901T2 publication Critical patent/DE3586901T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/244—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems
    • 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
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13103—Memory
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292—Time division multiplexing, TDM
DE8585110205T 1984-08-15 1985-08-14 Zeitvielfachvermittlungsanlage zur durchfuehrung eines rueckschleiftests. Expired - Fee Related DE3586901T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59169277A JPS6148266A (ja) 1984-08-15 1984-08-15 時分割多重回線折返試験方法

Publications (2)

Publication Number Publication Date
DE3586901D1 DE3586901D1 (de) 1993-01-28
DE3586901T2 true DE3586901T2 (de) 1993-05-06

Family

ID=15883526

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585110205T Expired - Fee Related DE3586901T2 (de) 1984-08-15 1985-08-14 Zeitvielfachvermittlungsanlage zur durchfuehrung eines rueckschleiftests.

Country Status (6)

Country Link
US (1) US4688208A (de)
EP (1) EP0171803B1 (de)
JP (1) JPS6148266A (de)
KR (1) KR900000704B1 (de)
CA (1) CA1235828A (de)
DE (1) DE3586901T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640647B2 (ja) * 1985-08-01 1994-05-25 国際電信電話株式会社 Ｉｓｄｎ端末間内線通信方式
DE3789123D1 (de) * 1986-06-02 1994-03-31 Siemens Ag Verfahren zur Durchschalteprüfung einer Breitband-Koppeleinrichtung.
JPS63108641U (de) * 1986-12-27 1988-07-13
US5060227A (en) * 1988-02-29 1991-10-22 Motorola, Inc. Digital telephone switch with simultaneous dual PCM format compatibility
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
US5010544A (en) * 1989-01-09 1991-04-23 Wiltron Company Fault location operating system with loopback
DE3915927A1 (de) * 1989-05-16 1991-01-31 Siemens Ag Schaltungsanordnung zur pruefung der sprechwegedurchschaltugn einer koppelanordnung
JP2538082B2 (ja) * 1989-12-06 1996-09-25 富士通株式会社 発着信試験方法
CA2025645C (en) * 1989-09-19 1999-01-19 Keiji Fukuda Control channel terminating interface and its testing device for sending and receiving signal
JP3026444B2 (ja) * 1990-01-17 2000-03-27 株式会社東芝 データ誤り検出装置
EP0448734B1 (de) * 1990-03-23 1994-12-14 Siemens Aktiengesellschaft Schaltungsanordnung für die Routineprüfung einer Schnittstelle zwischen Anschlussgruppen und dem Koppelnetz eines PCM-Fernmeldevermittlungssystems
DE4135952A1 (de) * 1991-10-31 1993-05-06 Alcatel Sel Aktiengesellschaft, 7000 Stuttgart, De Verfahren und anordnung zum feststellen eines gestoerten, in einem kanalbuendel enthaltenen kanals
GB9123211D0 (en) * 1991-11-01 1991-12-18 Plessey Telecomm Telecommunication interconnection testing
CH685899A5 (de) * 1992-12-18 1995-10-31 Siemens Ag Albis Antwortstation zur automatischen Pruefung von an ein Fernmeldenetz angeschlossenen Endgeraeten
US5426688A (en) * 1993-05-12 1995-06-20 Anand; Vivodh Z. J. Telecommunication alarm method and system
JP3286418B2 (ja) * 1993-09-20 2002-05-27 富士通株式会社 加入者回線試験装置
US5521904A (en) * 1993-12-07 1996-05-28 Telefonaktiebolaget Lm Ericsson Method and apparatus for testing a base station in a time division multiple access radio communications system
JP3078177B2 (ja) * 1994-07-01 2000-08-21 三菱電機株式会社 無線装置
FR2737637B1 (fr) * 1995-08-03 1997-10-17 Sgs Thomson Microelectronics Matrice de commutation entre deux groupes de multiplex
US5828978A (en) * 1996-02-23 1998-10-27 Zafarloop, Inc. Line restoration detection for security systems
CN1314231C (zh) * 2001-12-19 2007-05-02 中兴通讯股份有限公司 一种程控交换机自环的方法
US7362797B2 (en) * 2002-03-21 2008-04-22 Broadcom Corporation Physical layer device having an analog SERDES pass through mode

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152394A (en) * 1980-04-28 1981-11-25 Oki Electric Ind Co Ltd Channel test system for time division system digital exchange
JPS57142064A (en) * 1981-02-27 1982-09-02 Fujitsu Ltd Network test system
JPS57147360A (en) * 1981-03-09 1982-09-11 Nec Corp Testing system for interface part of digital switchboard
AU552312B2 (en) * 1982-02-08 1986-05-29 Racal-Milgo Limited Communication system
US4486877A (en) * 1982-06-25 1984-12-04 At&T Bell Laboratories Packet switching loop-around network and facilities testing
DE3242958A1 (de) * 1982-11-20 1984-05-24 Philips Kommunikations Industrie AG, 8500 Nürnberg Nebenstellenanlage
US4545053A (en) * 1984-03-21 1985-10-01 At&T Information Systems Inc. Time slot interchanger

Also Published As

Publication number Publication date
DE3586901D1 (de) 1993-01-28
US4688208A (en) 1987-08-18
CA1235828A (en) 1988-04-26
KR870002705A (ko) 1987-04-06
JPS6148266A (ja) 1986-03-08
EP0171803A2 (de) 1986-02-19
EP0171803A3 (en) 1988-11-23
KR900000704B1 (en) 1990-02-07
EP0171803B1 (de) 1992-12-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee