ES467755A1 - Perfeccionamientos en aparatos para senalar fallos en redes de transmision digital. - Google Patents

Perfeccionamientos en aparatos para senalar fallos en redes de transmision digital.

Info

Publication number
ES467755A1
ES467755A1 ES467755A ES467755A ES467755A1 ES 467755 A1 ES467755 A1 ES 467755A1 ES 467755 A ES467755 A ES 467755A ES 467755 A ES467755 A ES 467755A ES 467755 A1 ES467755 A1 ES 467755A1
Authority
ES
Spain
Prior art keywords
channel bank
hierarchy
failure
alarm
transmission network
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
ES467755A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of ES467755A1 publication Critical patent/ES467755A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Alarm Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
ES467755A 1977-03-11 1978-03-10 Perfeccionamientos en aparatos para senalar fallos en redes de transmision digital. Expired ES467755A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/776,544 US4096354A (en) 1977-03-11 1977-03-11 Apparatus for distinguishing between failures in a digital transmission network

Publications (1)

Publication Number Publication Date
ES467755A1 true ES467755A1 (es) 1978-10-16

Family

ID=25107687

Family Applications (1)

Application Number Title Priority Date Filing Date
ES467755A Expired ES467755A1 (es) 1977-03-11 1978-03-10 Perfeccionamientos en aparatos para senalar fallos en redes de transmision digital.

Country Status (13)

Country Link
US (1) US4096354A (es)
JP (2) JPS53113499A (es)
AU (1) AU516123B2 (es)
BE (1) BE864763A (es)
CA (1) CA1089997A (es)
DE (1) DE2810668C2 (es)
ES (1) ES467755A1 (es)
FR (1) FR2383567A1 (es)
GB (1) GB1597855A (es)
IL (1) IL54216A (es)
IT (1) IT7867533A0 (es)
NL (1) NL7802556A (es)
SE (1) SE429912B (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2911297C2 (de) * 1979-03-22 1985-04-04 Siemens AG, 1000 Berlin und 8000 München Verfahren und Schaltungsanordnung zur Fehlerbehandlung bei einem Rahmensynchronisationsverlust in einer Digital-Vermittlungsstelle, insbesondere PCM-Fernsprechvermittlungsstelle
FR2473820A1 (fr) * 1980-01-11 1981-07-17 Telecommunications Sa Procede et systeme d'initialisation de la securisation d'une ligne d'une artere de transmission numerique
GB2120041B (en) * 1982-04-24 1985-10-02 Plessey Co Plc Digital switching network for telecommunications exchange
US4513411A (en) * 1982-09-01 1985-04-23 At&T Bell Laboratories Transmission of status report of equipment in a digital transmission network
GB2130049B (en) * 1982-10-21 1986-01-29 Plessey Co Plc Method of growth of a digital switchblock
US4577314A (en) * 1983-03-31 1986-03-18 At&T Bell Laboratories Digital multi-customer data interface
JPS61227444A (ja) * 1985-04-01 1986-10-09 Nissan Motor Co Ltd 伝送異常検出回路
US4965795A (en) * 1988-05-10 1990-10-23 Harris Corporation D channel monitor
US4910729A (en) * 1988-05-10 1990-03-20 Harris Corporation ISDN traffic generator adapter
US8363790B2 (en) 2008-07-17 2013-01-29 At&T Intellectual Property I, L.P. Method and apparatus for providing automated processing of a switched voice service alarm
US8306200B2 (en) 2008-07-17 2012-11-06 At&T Intellectual Property I, L.P. Method and apparatus for processing of a toll free call service alarm

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112370A (en) * 1962-02-19 1963-11-26 Bell Telephone Labor Inc Pulse code modulation alarm system
DE2204703C3 (de) * 1971-02-22 1981-05-27 Società Italiana Telecomunicazioni Siemens S.p.A., 20149 Milano Schaltungsanordnung zum Einführen eines Ersatz-Taktsignals in ein PCM-Übertragungssystem
GB1401261A (en) * 1972-01-13 1975-07-16 Siemens Ag Data transmission systems
JPS5086998A (es) * 1973-11-30 1975-07-12
US3873776A (en) * 1974-01-30 1975-03-25 Gen Electric Alarm arrangement for a time-division multiplex, pulse-code modulation carrier system
JPS5194797A (es) * 1975-02-18 1976-08-19
US3996423A (en) * 1975-11-18 1976-12-07 Bell Telephone Laboratories, Incorporated Common control failure alarm apparatus

Also Published As

Publication number Publication date
FR2383567B1 (es) 1983-07-18
NL7802556A (nl) 1978-09-13
CA1089997A (en) 1980-11-18
AU516123B2 (en) 1981-05-21
FR2383567A1 (fr) 1978-10-06
IT7867533A0 (it) 1978-03-10
JPS58167990U (ja) 1983-11-09
US4096354A (en) 1978-06-20
IL54216A0 (en) 1978-06-15
DE2810668C2 (de) 1982-08-19
GB1597855A (en) 1981-09-16
BE864763A (fr) 1978-07-03
AU3390278A (en) 1979-09-13
SE429912B (sv) 1983-10-03
IL54216A (en) 1981-07-31
SE7802374L (sv) 1978-09-12
DE2810668A1 (de) 1978-09-14
JPS53113499A (en) 1978-10-03

Similar Documents

Publication Publication Date Title
ES2013152A6 (es) Sistema para la deteccion de manipulacion incorresta de cables de fibra optica y cable de fibra optica de este sistema.
ES467755A1 (es) Perfeccionamientos en aparatos para senalar fallos en redes de transmision digital.
JPS5730098A (en) Method of transmitting measured value in fire alarm unit and device for executing same method
CA1269733C (en) FRAME SYNCHRONIZED DIGITAL SIGNAL TRANSMISSION SYSTEM
JPS5376797A (en) Receiver of fire alarm system
JPS53108215A (en) Monitor system
ES8201795A1 (es) Perfeccionamientos en los sistemas de medicion para teleco- municaciones
ES460067A1 (es) Un dispositivo de supervision de alarmas para una central mic (modulacion por impulsos codificados).
JPS575447A (en) Failure detecting system
JPS53128207A (en) Call tracing system for telephone
JPS5434699A (en) Urgento display system
JPS5441002A (en) Data signal control system
JPS53113500A (en) Detector adapter
ES8404744A1 (es) "conjunto electronico de control para maquinas y equipos de seleccion de porosidad"
SE7702418L (sv) Mottagare for flerfrekvenssignalering
JPS53107216A (en) Grounding system for signal transmission system
JPS5354418A (en) Detection system of double-depressin of key
JPS545187A (en) Trouble diagnosis system of digital signal input circuit
JPS5357604A (en) Open-circuit type train detecting device attached to closed-circuit type ac track circuit
JPS5339780A (en) Vibration measuring device
JPS5418604A (en) Optical communication system
JPS5222836A (en) Abnormality detecting and disposing system for communication system
ES8104607A1 (es) Sistema de transmision de senales de alarma
ES461745A1 (es) Perfeccionamientos en aparatos receptor transmisor para de- tectar y transmitir informacion de se/alizacion de una red telefonica.
JPS5398704A (en) Optical multiplex transmission system