FR2330226A1 - Repeteur pour systeme a lignes de transmission de donnees numeriques - Google Patents

Repeteur pour systeme a lignes de transmission de donnees numeriques

Info

Publication number
FR2330226A1
FR2330226A1 FR7441461A FR7441461A FR2330226A1 FR 2330226 A1 FR2330226 A1 FR 2330226A1 FR 7441461 A FR7441461 A FR 7441461A FR 7441461 A FR7441461 A FR 7441461A FR 2330226 A1 FR2330226 A1 FR 2330226A1
Authority
FR
France
Prior art keywords
repeater
data transmission
digital data
transmission lines
lines
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.)
Granted
Application number
FR7441461A
Other languages
English (en)
Other versions
FR2330226B1 (fr
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 Handel und Investments AG
Original Assignee
Plessey Handel und Investments AG
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 Handel und Investments AG filed Critical Plessey Handel und Investments AG
Publication of FR2330226A1 publication Critical patent/FR2330226A1/fr
Application granted granted Critical
Publication of FR2330226B1 publication Critical patent/FR2330226B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/407—Monitoring; Testing of relay systems without selective localization
    • H04B17/408—Monitoring; Testing of relay systems without selective localization using successive loop-backs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR7441461A 1973-12-18 1974-12-17 Repeteur pour systeme a lignes de transmission de donnees numeriques Granted FR2330226A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5846373A GB1465909A (en) 1973-12-18 1973-12-18 Supervisory systems for telecommunication line transmission system

Publications (2)

Publication Number Publication Date
FR2330226A1 true FR2330226A1 (fr) 1977-05-27
FR2330226B1 FR2330226B1 (fr) 1980-04-25

Family

ID=10481685

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7441461A Granted FR2330226A1 (fr) 1973-12-18 1974-12-17 Repeteur pour systeme a lignes de transmission de donnees numeriques

Country Status (4)

Country Link
US (1) US3976835A (fr)
AU (1) AU7582874A (fr)
FR (1) FR2330226A1 (fr)
GB (1) GB1465909A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467511A1 (fr) * 1979-10-08 1981-04-17 Legras Jacques Systeme de telecontrole pour liaisons de telecommunications telealimentees

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1571495A (en) * 1976-04-29 1980-07-16 Plessey Co Ltd Supervisory system for a data transmission system
FR2466144B1 (fr) * 1979-09-18 1986-11-07 Lignes Telegraph Telephon Procede de test d'une ligne de transmission de donnees numeriques entre deux modems et dispositif mettant en oeuvre ce procede
IT1161837B (it) * 1983-05-18 1987-03-18 Telettra Lab Telefon Sistema e apparecchiatura per la telesorveglianza di trasmissioni di dati
US4742518A (en) * 1986-05-27 1988-05-03 American Telephone And Telegraph Company, At&T Bell Laboratories Fault location system for a digital transmission line
FR2640097B1 (fr) * 1988-11-16 1991-01-11 Alcatel Transmission Procede de securisation des trains auxiliaires inseres-extraits dans une station quelconque le long d'une artere hertzienne numerique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370134A (en) * 1963-05-27 1968-02-20 Ericsson Telefon Ab L M Fault recording arrangement
GB1154647A (en) * 1967-09-01 1969-06-11 Standard Telephones Cables Ltd Supervisory Circuit for Unattended Repeaters.
GB1364264A (en) * 1970-11-16 1974-08-21 Sits Soc It Telecom Siemens Transmission system including a monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467511A1 (fr) * 1979-10-08 1981-04-17 Legras Jacques Systeme de telecontrole pour liaisons de telecommunications telealimentees

Also Published As

Publication number Publication date
GB1465909A (en) 1977-03-02
AU7582874A (en) 1976-05-27
US3976835A (en) 1976-08-24
FR2330226B1 (fr) 1980-04-25

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse