SE429912B - Anordning for felindikering - Google Patents

Anordning for felindikering

Info

Publication number
SE429912B
SE429912B SE7802374A SE7802374A SE429912B SE 429912 B SE429912 B SE 429912B SE 7802374 A SE7802374 A SE 7802374A SE 7802374 A SE7802374 A SE 7802374A SE 429912 B SE429912 B SE 429912B
Authority
SE
Sweden
Prior art keywords
signal
alarm
level
interval
code
Prior art date
Application number
SE7802374A
Other languages
English (en)
Swedish (sv)
Other versions
SE7802374L (sv
Inventor
W H Bleickardt
V I Johannes
Original Assignee
Western Electric Co
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 filed Critical Western Electric Co
Publication of SE7802374L publication Critical patent/SE7802374L/xx
Publication of SE429912B publication Critical patent/SE429912B/sv

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)
  • Time-Division Multiplex Systems (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Alarm Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
SE7802374A 1977-03-11 1978-03-02 Anordning for felindikering SE429912B (sv)

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 (2)

Publication Number Publication Date
SE7802374L SE7802374L (sv) 1978-09-12
SE429912B true SE429912B (sv) 1983-10-03

Family

ID=25107687

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7802374A SE429912B (sv) 1977-03-11 1978-03-02 Anordning for felindikering

Country Status (13)

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

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
US4910729A (en) * 1988-05-10 1990-03-20 Harris Corporation ISDN traffic generator adapter
US4965795A (en) * 1988-05-10 1990-10-23 Harris Corporation D channel monitor
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
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

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 (enExample) * 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 (enExample) * 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
SE7802374L (sv) 1978-09-12
BE864763A (fr) 1978-07-03
AU516123B2 (en) 1981-05-21
DE2810668A1 (de) 1978-09-14
JPS58167990U (ja) 1983-11-09
IL54216A0 (en) 1978-06-15
ES467755A1 (es) 1978-10-16
US4096354A (en) 1978-06-20
FR2383567B1 (enExample) 1983-07-18
JPS53113499A (en) 1978-10-03
NL7802556A (nl) 1978-09-13
IT7867533A0 (it) 1978-03-10
IL54216A (en) 1981-07-31
DE2810668C2 (de) 1982-08-19
AU3390278A (en) 1979-09-13
FR2383567A1 (fr) 1978-10-06
GB1597855A (en) 1981-09-16
CA1089997A (en) 1980-11-18

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