KR900000704B1 - Time division exchange - Google Patents

Time division exchange

Info

Publication number
KR900000704B1
KR900000704B1 KR8505818A KR850005818A KR900000704B1 KR 900000704 B1 KR900000704 B1 KR 900000704B1 KR 8505818 A KR8505818 A KR 8505818A KR 850005818 A KR850005818 A KR 850005818A KR 900000704 B1 KR900000704 B1 KR 900000704B1
Authority
KR
South Korea
Prior art keywords
time division
division multiplexed
network
trunk
signals
Prior art date
Application number
KR8505818A
Other languages
English (en)
Other versions
KR870002705A (ko
Inventor
Domohiro Gawagutsi
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 KR870002705A publication Critical patent/KR870002705A/ko
Application granted granted Critical
Publication of KR900000704B1 publication Critical patent/KR900000704B1/ko

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
KR8505818A 1984-08-15 1985-08-13 Time division exchange KR900000704B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP169277 1984-08-15
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
KR870002705A KR870002705A (ko) 1987-04-06
KR900000704B1 true KR900000704B1 (en) 1990-02-07

Family

ID=15883526

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8505818A KR900000704B1 (en) 1984-08-15 1985-08-13 Time division exchange

Country Status (6)

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

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
ATE101952T1 (de) * 1986-06-02 1994-03-15 Siemens Ag Verfahren zur durchschaltepruefung einer breitband-koppeleinrichtung.
JPS63108641U (ko) * 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
DE59008026D1 (de) * 1990-03-23 1995-01-26 Siemens Ag 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
KR870002705A (ko) 1987-04-06
DE3586901D1 (de) 1993-01-28
EP0171803A3 (en) 1988-11-23
DE3586901T2 (de) 1993-05-06
JPS6148266A (ja) 1986-03-08
EP0171803B1 (en) 1992-12-16
CA1235828A (en) 1988-04-26
EP0171803A2 (en) 1986-02-19
US4688208A (en) 1987-08-18

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Legal Events

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A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19960205

Year of fee payment: 7

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