SE438932B - Modemdiagnosanordning - Google Patents
ModemdiagnosanordningInfo
- Publication number
- SE438932B SE438932B SE7806295A SE7806295A SE438932B SE 438932 B SE438932 B SE 438932B SE 7806295 A SE7806295 A SE 7806295A SE 7806295 A SE7806295 A SE 7806295A SE 438932 B SE438932 B SE 438932B
- Authority
- SE
- Sweden
- Prior art keywords
- modem
- remote
- test
- alarm
- centrally located
- Prior art date
Links
- 238000012360 testing method Methods 0.000 claims description 182
- 230000005540 biological transmission Effects 0.000 claims description 64
- 230000004044 response Effects 0.000 claims description 30
- 230000006870 function Effects 0.000 claims description 20
- 238000012790 confirmation Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 7
- 230000005764 inhibitory process Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 22
- 230000008569 process Effects 0.000 description 16
- 230000007704 transition Effects 0.000 description 12
- 230000001360 synchronised effect Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 208000032370 Secondary transmission Diseases 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical class C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 208000022041 growing teratoma syndrome Diseases 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 241000252203 Clupea harengus Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000007488 abnormal function Effects 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009118 appropriate response Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 235000019514 herring Nutrition 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Selective Calling Equipment (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80394577A | 1977-06-06 | 1977-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7806295L SE7806295L (sv) | 1979-02-02 |
| SE438932B true SE438932B (sv) | 1985-05-13 |
Family
ID=25187819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7806295A SE438932B (sv) | 1977-06-06 | 1978-05-31 | Modemdiagnosanordning |
Country Status (8)
| Country | Link |
|---|---|
| JP (2) | JPS5416949A (en, 2012) |
| BE (1) | BE867885A (en, 2012) |
| CA (1) | CA1133638A (en, 2012) |
| CH (4) | CH642499A5 (en, 2012) |
| DE (1) | DE2824578A1 (en, 2012) |
| FR (1) | FR2408953B1 (en, 2012) |
| GB (3) | GB1605057A (en, 2012) |
| SE (1) | SE438932B (en, 2012) |
Families Citing this family (16)
| 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 |
| US4398297A (en) * | 1980-10-10 | 1983-08-09 | Bell Telephone Laboratories, Incorporated | Data set diagnostic system |
| US4398299A (en) * | 1980-10-10 | 1983-08-09 | Bell Telephone Laboratories, Incorporated | Data set network diagnostic system |
| JPS5772891A (en) * | 1980-10-23 | 1982-05-07 | Mitsubishi Paper Mills Ltd | Pressure sensitive copy paper |
| 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 |
| JPH0746808B2 (ja) * | 1984-02-23 | 1995-05-17 | 中部電力株式会社 | 網制御方式 |
| DE3586758T2 (de) * | 1985-04-30 | 1993-04-22 | Ibm | Modem zur steuerung eines modemnetzes. |
| 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 (en) * | 1992-08-25 | 1994-03-02 | Nortel Networks Corporation | High availability leased lines |
| 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 |
Family Cites Families (16)
| 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 |
| US3819878A (en) * | 1972-12-18 | 1974-06-25 | Antekna Inc | Transmission test set for telephone circuit data communication systems |
| 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 |
| US3920975A (en) * | 1974-11-14 | 1975-11-18 | Rockwell International Corp | Data communications network remote test and 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 |
| US4055808A (en) * | 1976-05-20 | 1977-10-25 | Intertel, Inc. | Data communications network testing system |
| US4076970A (en) * | 1976-10-04 | 1978-02-28 | Telecommunications Technology, Inc. | Switching system having a central controller for accessing individual telephone circuits for testing |
| JPS5362905A (en) * | 1976-11-17 | 1978-06-05 | Fujitsu Ltd | Alarm information collection system |
| JPS5362907A (en) * | 1976-11-17 | 1978-06-05 | Fujitsu Ltd | Alarm information transmission 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 |
-
1978
- 1978-05-26 GB GB22984/78A patent/GB1605057A/en not_active Expired
- 1978-05-26 GB GB2981/71A patent/GB1605058A/en not_active Expired
- 1978-05-26 GB GB3074/81A patent/GB1605059A/en not_active Expired
- 1978-05-31 SE SE7806295A patent/SE438932B/sv not_active IP Right Cessation
- 1978-06-02 CA CA304,653A patent/CA1133638A/en not_active Expired
- 1978-06-05 CH CH612278A patent/CH642499A5/de not_active IP Right Cessation
- 1978-06-05 FR FR7816801A patent/FR2408953B1/fr not_active Expired
- 1978-06-05 DE DE19782824578 patent/DE2824578A1/de active Granted
- 1978-06-06 BE BE188378A patent/BE867885A/xx 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
Also Published As
| Publication number | Publication date |
|---|---|
| CH641613A5 (en) | 1984-02-29 |
| CA1133638A (en) | 1982-10-12 |
| FR2408953B1 (fr) | 1986-05-23 |
| GB1605059A (en) | 1981-12-16 |
| JPS5416949A (en) | 1979-02-07 |
| CH641612A5 (en) | 1984-02-29 |
| DE2824578A1 (de) | 1979-01-11 |
| DE2824578C2 (en, 2012) | 1990-08-23 |
| SE7806295L (sv) | 1979-02-02 |
| GB1605057A (en) | 1981-12-16 |
| FR2408953A1 (fr) | 1979-06-08 |
| JPS649783B2 (en, 2012) | 1989-02-20 |
| CH642209A5 (en) | 1984-03-30 |
| JPS62142434A (ja) | 1987-06-25 |
| CH642499A5 (en) | 1984-04-13 |
| BE867885A (fr) | 1978-10-02 |
| GB1605058A (en) | 1981-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4385384A (en) | Modem diagnostic and control system | |
| SE438932B (sv) | Modemdiagnosanordning | |
| US4159470A (en) | Data communications systems employing redundant series transmission loops | |
| EP0139936B1 (en) | A method of detecting a hot carrier condition in a multiple access data communication network | |
| US4819235A (en) | Modem use monitor | |
| US5642391A (en) | Method and apparatus for monitoring channel performance on a channel using alternate mark inversion protocols | |
| JP2012507944A (ja) | 電気システム内の断続的電気故障を検出して位置特定するシステム及び方法 | |
| GB1572892A (en) | Data processing equipment | |
| US5737390A (en) | Digital exchange system with function of displaying operation state of system | |
| NO791842L (no) | Databussystem. | |
| CA1138999A (en) | Communication system with primary and back-up transmission lines | |
| US4282400A (en) | Signaling unit for interchange of data with multipoint line selection units and data terminals | |
| CA1139449A (en) | Data communication system with dedicated and back-up lines | |
| CA1138998A (en) | Modem diagnostic and control system utilizing a microprocessor | |
| US4741017A (en) | Apparatus and method for identifying and analyzing telephone channel units, commands and responses | |
| CA1138996A (en) | Test and control unit for use in conjunction with a data modem | |
| JP3910903B2 (ja) | 制御パケットの受信方法及び受信装置 | |
| US3591719A (en) | Automatic program test circuit for data sets | |
| JP2959942B2 (ja) | ネットワーク監視システム | |
| JPS60126946A (ja) | デ−タモデムにおける切換装置 | |
| CA1138997A (en) | Modem diagnostic and control system | |
| JPH0530159A (ja) | データ通信システム | |
| JP2516256B2 (ja) | 障害検出方式 | |
| JPH05244265A (ja) | 通信システム | |
| JPS63246946A (ja) | ル−プ構造ネツトワ−クにおける通信装置の障害検出方式 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 7806295-7 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |
Ref document number: 7806295-7 Format of ref document f/p: F |