CN1008049B - 用于电信交换系统的安全设备 - Google Patents

用于电信交换系统的安全设备

Info

Publication number
CN1008049B
CN1008049B CN87106044A CN87106044A CN1008049B CN 1008049 B CN1008049 B CN 1008049B CN 87106044 A CN87106044 A CN 87106044A CN 87106044 A CN87106044 A CN 87106044A CN 1008049 B CN1008049 B CN 1008049B
Authority
CN
China
Prior art keywords
plane
execution
path
data
check
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
Application number
CN87106044A
Other languages
English (en)
Chinese (zh)
Other versions
CN87106044A (zh
Inventor
约翰·威廉·安塞尔
杰弗里·肖平
理查德·诺埃尔·沃特斯
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of CN87106044A publication Critical patent/CN87106044A/zh
Publication of CN1008049B publication Critical patent/CN1008049B/zh
Expired legal-status Critical Current

Links

Images

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
    • H04Q11/0421—Circuit arrangements therefor
    • 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

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)
CN87106044A 1986-07-24 1987-07-24 用于电信交换系统的安全设备 Expired CN1008049B (zh)

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 (2)

Publication Number Publication Date
CN87106044A CN87106044A (zh) 1988-05-18
CN1008049B true CN1008049B (zh) 1990-05-16

Family

ID=10601635

Family Applications (1)

Application Number Title Priority Date Filing Date
CN87106044A Expired CN1008049B (zh) 1986-07-24 1987-07-24 用于电信交换系统的安全设备

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
JPH01500951A (ja) 1989-03-30
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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