NL7807402A - Inrichting voor de continuiteitstest in telecommunica- tiestelsels. - Google Patents
Inrichting voor de continuiteitstest in telecommunica- tiestelsels.Info
- Publication number
- NL7807402A NL7807402A NL787807402A NL7807402A NL7807402A NL 7807402 A NL7807402 A NL 7807402A NL 787807402 A NL787807402 A NL 787807402A NL 7807402 A NL7807402 A NL 7807402A NL 7807402 A NL7807402 A NL 7807402A
- Authority
- NL
- Netherlands
- Prior art keywords
- telecommunications systems
- continuity testing
- continuity
- testing
- telecommunications
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/301—Circuit arrangements at the subscriber's side of the line
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
- H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2735341A DE2735341C3 (de) | 1977-08-05 | 1977-08-05 | Anordnung zur Durchgangsprüfung in Fernmeldeanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7807402A true NL7807402A (nl) | 1979-02-07 |
Family
ID=6015717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL787807402A NL7807402A (nl) | 1977-08-05 | 1978-07-10 | Inrichting voor de continuiteitstest in telecommunica- tiestelsels. |
Country Status (16)
Country | Link |
---|---|
JP (1) | JPS5434706A (xx) |
AR (1) | AR215513A1 (xx) |
AU (1) | AU3844578A (xx) |
BE (1) | BE869472A (xx) |
BR (1) | BR7804946A (xx) |
DE (1) | DE2735341C3 (xx) |
DK (1) | DK344078A (xx) |
ES (1) | ES472357A1 (xx) |
FI (1) | FI782394A (xx) |
FR (1) | FR2399775A1 (xx) |
GB (1) | GB2002202B (xx) |
GR (1) | GR65208B (xx) |
IN (1) | IN150495B (xx) |
NL (1) | NL7807402A (xx) |
NO (1) | NO782622L (xx) |
SE (1) | SE7808251L (xx) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5473507A (en) * | 1977-11-25 | 1979-06-12 | Oki Electric Ind Co Ltd | Channel test system |
DE3005799C2 (de) * | 1980-02-13 | 1981-10-01 | Siemens AG, 1000 Berlin und 8000 München | Prüfeinrichtung für Fernmeldeanlagen, insbesondere Betriebsfernsprechanlagen, mit einem Vierdrahtübertragungseinrichtungen miteinander verbindenden Koppelnetzwerk |
US4393491A (en) * | 1980-11-05 | 1983-07-12 | Anaconda-Ericsson | Automatic self-test system for a digital multiplexed telecommunication system |
JPS57143968A (en) * | 1981-03-02 | 1982-09-06 | Oki Electric Ind Co Ltd | Channel test system |
FR2502432A1 (fr) * | 1981-03-18 | 1982-09-24 | Trt Telecom Radio Electr | Systeme de test de joncteurs d'abonnes |
FR2503511A1 (fr) * | 1981-04-03 | 1982-10-08 | Cit Alcatel | Dispositif de controle d'un reseau de connexion numerique |
CA1203875A (en) * | 1983-06-16 | 1986-04-29 | Mitel Corporation | Switching system loopback test circuit |
DE4141090A1 (de) * | 1991-12-13 | 1993-06-17 | Kommunikations Elektronik | Verfahren zur ueberpruefung der funktionsfaehigkeit von uebertragungsstrecken nachrichtentechnischer signale |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1168506B (de) * | 1961-09-15 | 1964-04-23 | Siemens Ag | Schaltungsanordnung zur Pruefung von Zeichen-kanaelen in Fernmeldeanlagen |
DE1202348B (de) * | 1963-02-23 | 1965-10-07 | Standard Elektrik Lorenz Ag | Verfahren zur Pruefung der Verbindungsadern in Fernmeldevermittlungs-, insbesondere Fernsprechwaehlanlagen |
FR2026141A1 (xx) * | 1968-12-14 | 1970-09-11 | Sits Soc It Telecom Siemens | |
DE1964870B2 (de) * | 1969-12-24 | 1976-11-11 | Vieriing, Oskar, Prof. Dr.phil.habil., 8553 Ebermannstadt | Verfahren zum ermitteln der frequenzabhaengigen uebergangsdaempfung einer gabelschaltung |
JPS5428686B2 (xx) * | 1971-08-11 | 1979-09-18 | ||
CH541265A (de) * | 1972-02-29 | 1973-08-31 | Generaldirektion Ptt Hasler Ag | Verfahren zur Prüfung von Vierdrahtverbindungen zwischen zwei miteinander zu verbindenden Schaltstellen eines Fernmeldenetzes |
GB1489742A (en) * | 1974-10-17 | 1977-10-26 | Post Office | Telecommunication system networks |
GB1489743A (en) * | 1974-10-17 | 1977-10-26 | Post Office | Telecommunication system networks |
GB1489741A (en) * | 1974-10-17 | 1977-10-26 | Post Office | Telecommunication system networks |
US4064369A (en) * | 1975-01-31 | 1977-12-20 | North Electric Company | Method and apparatus for path testing in a time division multiplex switching network |
GB1540900A (en) * | 1975-06-30 | 1979-02-21 | Ericsson L M Pty Ltd | Digital testing and power control in a digital communication system |
JPS5389307A (en) * | 1977-01-17 | 1978-08-05 | Hitachi Ltd | Test system for communicating line system |
-
1977
- 1977-08-05 DE DE2735341A patent/DE2735341C3/de not_active Expired
-
1978
- 1978-07-10 NL NL787807402A patent/NL7807402A/xx not_active Application Discontinuation
- 1978-07-12 GR GR56761A patent/GR65208B/el unknown
- 1978-07-25 GB GB7831062A patent/GB2002202B/en not_active Expired
- 1978-07-28 AU AU38445/78A patent/AU3844578A/en active Pending
- 1978-07-31 SE SE7808251A patent/SE7808251L/xx unknown
- 1978-08-01 NO NO782622A patent/NO782622L/no unknown
- 1978-08-01 AR AR273166A patent/AR215513A1/es active
- 1978-08-02 BR BR7804946A patent/BR7804946A/pt unknown
- 1978-08-03 FI FI782394A patent/FI782394A/fi not_active Application Discontinuation
- 1978-08-03 FR FR7822939A patent/FR2399775A1/fr active Pending
- 1978-08-03 DK DK344078A patent/DK344078A/da unknown
- 1978-08-03 BE BE7857192A patent/BE869472A/xx unknown
- 1978-08-04 ES ES472357A patent/ES472357A1/es not_active Expired
- 1978-08-04 JP JP9467178A patent/JPS5434706A/ja active Pending
- 1978-08-07 IN IN863/CAL/78A patent/IN150495B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2735341B2 (de) | 1979-06-07 |
AR215513A1 (es) | 1979-10-15 |
DE2735341A1 (de) | 1979-02-08 |
FI782394A (fi) | 1979-02-06 |
NO782622L (no) | 1979-02-06 |
SE7808251L (sv) | 1979-02-06 |
GB2002202A (en) | 1979-02-14 |
ES472357A1 (es) | 1979-04-01 |
DE2735341C3 (de) | 1984-05-10 |
BE869472A (nl) | 1979-02-05 |
FR2399775A1 (fr) | 1979-03-02 |
IN150495B (xx) | 1982-10-23 |
DK344078A (da) | 1979-02-06 |
AU3844578A (en) | 1980-01-31 |
BR7804946A (pt) | 1979-04-10 |
JPS5434706A (en) | 1979-03-14 |
GB2002202B (en) | 1982-01-06 |
GR65208B (en) | 1980-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |