JPH01500951A - 電気通信交換システム用の機密保持配列 - Google Patents

電気通信交換システム用の機密保持配列

Info

Publication number
JPH01500951A
JPH01500951A JP62504690A JP50469087A JPH01500951A JP H01500951 A JPH01500951 A JP H01500951A JP 62504690 A JP62504690 A JP 62504690A JP 50469087 A JP50469087 A JP 50469087A JP H01500951 A JPH01500951 A JP H01500951A
Authority
JP
Japan
Prior art keywords
check
data
pattern
routine
peripheral
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.)
Pending
Application number
JP62504690A
Other languages
English (en)
Japanese (ja)
Inventor
アンセル ジョン ウイリアム
チョッピング ジョフレイ
ウォーターズ リチャード ノエル
Original Assignee
ジーイーシー プレッシー テレコミュニケーションズ リミテッド
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 ジーイーシー プレッシー テレコミュニケーションズ リミテッド filed Critical ジーイーシー プレッシー テレコミュニケーションズ リミテッド
Publication of JPH01500951A publication Critical patent/JPH01500951A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0421Circuit arrangements therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP62504690A 1986-07-24 1987-07-22 電気通信交換システム用の機密保持配列 Pending JPH01500951A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8618100 1986-07-24
GB868618100A GB8618100D0 (en) 1986-07-24 1986-07-24 Security arrangement

Publications (1)

Publication Number Publication Date
JPH01500951A true JPH01500951A (ja) 1989-03-30

Family

ID=10601635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62504690A Pending JPH01500951A (ja) 1986-07-24 1987-07-22 電気通信交換システム用の機密保持配列

Country Status (11)

Country Link
US (1) US4858223A (en])
EP (1) EP0254559A3 (en])
JP (1) JPH01500951A (en])
KR (1) KR880702035A (en])
CN (1) CN1008049B (en])
DK (1) DK162688A (en])
FI (1) FI881395A0 (en])
GB (2) GB8618100D0 (en])
IN (1) IN168441B (en])
PT (1) PT85393A (en])
WO (1) WO1988000786A2 (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2219172B (en) * 1988-03-30 1992-07-08 Plessey Co Plc A data path checking system
SE515342C2 (sv) * 1994-04-29 2001-07-16 Ericsson Telefon Ab L M Digitalt tidsväljarsystem
WO2009073602A2 (en) * 2007-11-30 2009-06-11 University Of South Florida Trans-endoscopic hydraulic balloon apparatus
US8731002B2 (en) * 2011-03-25 2014-05-20 Invensense, Inc. Synchronization, re-synchronization, addressing, and serialized signal processing for daisy-chained communication devices
US9226292B2 (en) * 2013-07-17 2015-12-29 Cisco Technology, Inc. Resilient forwarding of packets in an ARC chain topology network

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL183331C (nl) * 1973-03-19 1988-09-16 Ericsson Telefon Ab L M Tijdmultiplexschakelinrichting voor het schakelen van digitale gegevens in een telefoon- of gegevensstelsel.
FR2233780B1 (en]) * 1973-06-13 1977-05-06 Materiel Telephonique
GB1582456A (en) * 1977-04-02 1981-01-07 Gen Electric Digital telecommunication switching systems
US4149038A (en) * 1978-05-15 1979-04-10 Wescom Switching, Inc. Method and apparatus for fault detection in PCM muliplexed system
IT8003532A0 (it) * 1980-10-07 1980-10-07 Italtel Spa Dispositivo per il controllo della continuita' spazio-temporale dei collegamenti dinamici di una retedi transito per sistemi di telecomunicazioni a divisione di tempo
IT1133349B (it) * 1980-10-07 1986-07-09 Italtel Spa Rete di transito perfezionata per sistemi di telecomunicazioni a divisione di tempo
US4424421A (en) * 1981-10-23 1984-01-03 Lynch Communication Systems, Inc. Apparatus for testing subscriber carrier systems
US4382294A (en) * 1981-10-26 1983-05-03 Bell Telephone Laboratories, Incorporated Telephone switching control arrangement
US4413335A (en) * 1981-11-27 1983-11-01 Gte Automatic Electric Labs Inc. Fault recovery apparatus for a PCM switching network
GB2120041B (en) * 1982-04-24 1985-10-02 Plessey Co Plc Digital switching network for telecommunications exchange
US4500985A (en) * 1982-12-08 1985-02-19 At&T Bell Laboratories Communication path continuity verification arrangement
US4543651A (en) * 1983-09-12 1985-09-24 At&T Bell Laboratories Duplicated time division switching system
GB2181023B (en) * 1985-09-24 1989-04-05 Stc Plc Telecommunications switching system

Also Published As

Publication number Publication date
FI881395A7 (fi) 1988-03-23
CN1008049B (zh) 1990-05-16
GB2193062A (en) 1988-01-27
WO1988000786A3 (en) 1988-03-24
IN168441B (en]) 1991-04-06
US4858223A (en) 1989-08-15
EP0254559A2 (en) 1988-01-27
CN87106044A (zh) 1988-05-18
KR880702035A (ko) 1988-11-07
DK162688A (da) 1988-05-24
GB8710191D0 (en) 1987-06-03
FI881395A0 (fi) 1988-03-23
PT85393A (pt) 1988-07-29
GB2193062B (en) 1990-03-28
DK162688D0 (da) 1988-03-24
GB8618100D0 (en) 1986-09-03
WO1988000786A2 (en) 1988-01-28
EP0254559A3 (en) 1988-05-04

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