FR2408953A1 - Dispositif de controle pour un reseau de transmission de donnees - Google Patents
Dispositif de controle pour un reseau de transmission de donneesInfo
- Publication number
- FR2408953A1 FR2408953A1 FR7816801A FR7816801A FR2408953A1 FR 2408953 A1 FR2408953 A1 FR 2408953A1 FR 7816801 A FR7816801 A FR 7816801A FR 7816801 A FR7816801 A FR 7816801A FR 2408953 A1 FR2408953 A1 FR 2408953A1
- Authority
- FR
- France
- Prior art keywords
- data transmission
- transmission network
- control device
- central
- modem
- 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
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
Abstract
L'INVENTION CONCERNE LES RESEAUX DE TRANSMISSION DE DONNEES. UN RESEAU DE TRANSMISSION DE DONNEES COMPREND UN CONTROLEUR CENTRAL 15 ASSOCIE A UN CERTAIN NOMBRE DE MODEMS CENTRAUX 11, ET DES MODEMS ELOIGNES 13 QUI COMMUNIQUENT AVEC UN MODEM CENTRAL CORRESPONDANT PAR UNE VOIE SECONDAIRE DE TRANSMISSION DE DONNEES. UNE UNITE DE CONTROLE ET DE COMMANDE 17 ASSOCIEE A CHAQUE MODEM 13 EFFECTUE DES CONTROLES SOUS LA COMMANDE DU CONTROLEUR 15, ET RENVOIE VERS CE DERNIER LES RESULTATS DES CONTROLES. APPLICATION A LA TELEINFORMATIQUE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80394577A | 1977-06-06 | 1977-06-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2408953A1 true FR2408953A1 (fr) | 1979-06-08 |
FR2408953B1 FR2408953B1 (fr) | 1986-05-23 |
Family
ID=25187819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7816801A Expired FR2408953B1 (fr) | 1977-06-06 | 1978-06-05 | Dispositif de controle pour un reseau de transmission de donnees |
Country Status (8)
Country | Link |
---|---|
JP (2) | JPS5416949A (fr) |
BE (1) | BE867885A (fr) |
CA (1) | CA1133638A (fr) |
CH (4) | CH642499A5 (fr) |
DE (1) | DE2824578A1 (fr) |
FR (1) | FR2408953B1 (fr) |
GB (3) | GB1605058A (fr) |
SE (1) | SE438932B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492197A1 (fr) * | 1980-10-10 | 1982-04-16 | Western Electric Co | Systeme de diagnostic pour un reseau de modems |
FR2492195A1 (fr) * | 1980-10-10 | 1982-04-16 | Western Electric Co | Modem equipe d'un systeme de diagnostic |
EP0053212B1 (fr) * | 1980-11-28 | 1984-08-29 | International Business Machines Corporation | Modem multi-canal et son utilisation dans un procédé et un système pour tester un réseau de communications à plusieurs niveaux |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS558856A (en) * | 1978-07-05 | 1980-01-22 | Mitsubishi Paper Mills Ltd | Covering of finely dispersed liquid droplet with thin film |
FR2455827A1 (fr) * | 1979-05-03 | 1980-11-28 | Ibm France | Dispositif de diagnostic et d'alarme pour un reseau de communication de donnees |
FR2466143A1 (fr) * | 1979-09-18 | 1981-03-27 | Lignes Telegraph Telephon | Procede et dispositif de test automatique d'un systeme de transmission de donnees numeriques |
JPS5772891A (en) * | 1980-10-23 | 1982-05-07 | Mitsubishi Paper Mills Ltd | Pressure sensitive copy paper |
JPH0746808B2 (ja) * | 1984-02-23 | 1995-05-17 | 中部電力株式会社 | 網制御方式 |
EP0200842B1 (fr) * | 1985-04-30 | 1992-10-14 | International Business Machines Corporation | Modem de contrôle d'un réseau de modems |
US4937825A (en) * | 1988-06-15 | 1990-06-26 | International Business Machines | Method and apparatus for diagnosing problems in data communication networks |
JP2682703B2 (ja) * | 1989-07-21 | 1997-11-26 | 富士通株式会社 | マルチポイント接続モデムのリトレーニング方式 |
JP2558012B2 (ja) * | 1990-11-27 | 1996-11-27 | 富士通株式会社 | 通信回線バックアップ方式 |
DE4225203A1 (de) * | 1992-07-30 | 1992-12-03 | Siemens Ag | Digitales kommunikationsnetz |
EP0585061A2 (fr) * | 1992-08-25 | 1994-03-02 | Nortel Networks Corporation | Lignes louées à haute disponibilité |
DE4410338C2 (de) * | 1994-03-25 | 1996-03-28 | Telefunken Microelectron | Datenübertragungssystem |
CN113447056B (zh) * | 2021-05-10 | 2022-05-27 | 四川省地质工程勘察院集团有限公司 | 一种可通过地面紧实度自动调整的地质监测预警装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3819878A (en) * | 1972-12-18 | 1974-06-25 | Antekna Inc | Transmission test set for telephone circuit data communication systems |
US3920975A (en) * | 1974-11-14 | 1975-11-18 | Rockwell International Corp | Data communications network remote test and control system |
US4055808A (en) * | 1976-05-20 | 1977-10-25 | Intertel, Inc. | Data communications network testing system |
US4112264A (en) * | 1976-12-28 | 1978-09-05 | Bowne Time Sharing, Inc. | Testing and switching system including remotely controllable stations for information transmission and communications networks and systems |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US30037A (en) | 1860-09-18 | Mode of attaching horses to vehicles | ||
US3349374A (en) * | 1963-08-05 | 1967-10-24 | Motorola Inc | Supervisory control system with message traffic control |
US3806878A (en) * | 1971-08-05 | 1974-04-23 | Ibm | Concurrent subsystem diagnostics and i/o controller |
US3715723A (en) * | 1971-12-28 | 1973-02-06 | Nasa | Frequency division multiplex technique |
US4039751A (en) * | 1972-04-24 | 1977-08-02 | General Datacomm Industries, Inc. | Method and apparatus for closed loop testing of first and second modulators and demodulators |
US3838260A (en) * | 1973-01-22 | 1974-09-24 | Xerox Corp | Microprogrammable control memory diagnostic system |
US4076961A (en) * | 1974-09-23 | 1978-02-28 | Intertel, Inc. | Automatic switching unit for data communications network |
US3943305A (en) * | 1974-11-11 | 1976-03-09 | Magnetic Controls Company | Telephone line control system |
US4006461A (en) * | 1975-02-03 | 1977-02-01 | Tull Aviation Corporation | System for transmitting operating condition data from a passive station to a central station |
US4076970A (en) * | 1976-10-04 | 1978-02-28 | Telecommunications Technology, Inc. | Switching system having a central controller for accessing individual telephone circuits for testing |
JPS5362907A (en) * | 1976-11-17 | 1978-06-05 | Fujitsu Ltd | Alarm information transmission system |
JPS5362905A (en) * | 1976-11-17 | 1978-06-05 | Fujitsu Ltd | Alarm information collection system |
-
1978
- 1978-05-26 GB GB2981/71A patent/GB1605058A/en not_active Expired
- 1978-05-26 GB GB3074/81A patent/GB1605059A/en not_active Expired
- 1978-05-26 GB GB22984/78A patent/GB1605057A/en not_active Expired
- 1978-05-31 SE SE7806295A patent/SE438932B/sv not_active IP Right Cessation
- 1978-06-02 CA CA304,653A patent/CA1133638A/fr not_active Expired
- 1978-06-05 FR FR7816801A patent/FR2408953B1/fr not_active Expired
- 1978-06-05 CH CH612278A patent/CH642499A5/de not_active IP Right Cessation
- 1978-06-05 DE DE19782824578 patent/DE2824578A1/de active Granted
- 1978-06-06 BE BE188378A patent/BE867885A/fr not_active IP Right Cessation
- 1978-06-06 JP JP6732678A patent/JPS5416949A/ja active Pending
-
1982
- 1982-08-19 CH CH495882A patent/CH641613A5/de not_active IP Right Cessation
- 1982-08-19 CH CH495682A patent/CH642209A5/de not_active IP Right Cessation
- 1982-08-19 CH CH495782A patent/CH641612A5/de not_active IP Right Cessation
-
1985
- 1985-04-17 JP JP60083576A patent/JPS62142434A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3819878A (en) * | 1972-12-18 | 1974-06-25 | Antekna Inc | Transmission test set for telephone circuit data communication systems |
US3920975A (en) * | 1974-11-14 | 1975-11-18 | Rockwell International Corp | Data communications network remote test and control system |
US4055808A (en) * | 1976-05-20 | 1977-10-25 | Intertel, Inc. | Data communications network testing system |
US4112264A (en) * | 1976-12-28 | 1978-09-05 | Bowne Time Sharing, Inc. | Testing and switching system including remotely controllable stations for information transmission and communications networks and systems |
Non-Patent Citations (1)
Title |
---|
EXBK/76 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492197A1 (fr) * | 1980-10-10 | 1982-04-16 | Western Electric Co | Systeme de diagnostic pour un reseau de modems |
FR2492195A1 (fr) * | 1980-10-10 | 1982-04-16 | Western Electric Co | Modem equipe d'un systeme de diagnostic |
EP0053212B1 (fr) * | 1980-11-28 | 1984-08-29 | International Business Machines Corporation | Modem multi-canal et son utilisation dans un procédé et un système pour tester un réseau de communications à plusieurs niveaux |
Also Published As
Publication number | Publication date |
---|---|
SE7806295L (sv) | 1979-02-02 |
CH642209A5 (en) | 1984-03-30 |
BE867885A (fr) | 1978-10-02 |
GB1605058A (en) | 1981-12-16 |
CA1133638A (fr) | 1982-10-12 |
DE2824578C2 (fr) | 1990-08-23 |
DE2824578A1 (de) | 1979-01-11 |
SE438932B (sv) | 1985-05-13 |
FR2408953B1 (fr) | 1986-05-23 |
GB1605059A (en) | 1981-12-16 |
CH641613A5 (en) | 1984-02-29 |
JPS5416949A (en) | 1979-02-07 |
JPS649783B2 (fr) | 1989-02-20 |
JPS62142434A (ja) | 1987-06-25 |
GB1605057A (en) | 1981-12-16 |
CH642499A5 (en) | 1984-04-13 |
CH641612A5 (en) | 1984-02-29 |
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