BE770678A - Installation de controle de fonctionnement dans systeme multiplex de raccordement d'obonnes - Google Patents
Installation de controle de fonctionnement dans systeme multiplex de raccordement d'obonnesInfo
- Publication number
- BE770678A BE770678A BE770678A BE770678A BE770678A BE 770678 A BE770678 A BE 770678A BE 770678 A BE770678 A BE 770678A BE 770678 A BE770678 A BE 770678A BE 770678 A BE770678 A BE 770678A
- Authority
- BE
- Belgium
- Prior art keywords
- installation
- operation control
- connection system
- bus connection
- multiplex bus
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
- G01R19/155—Indicating the presence of voltage
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702038218 DE2038218B2 (de) | 1970-07-31 | 1970-07-31 | Einrichtung zur teilnehmeranschluss funktionskontrolle pruefung und messung bei einer teilnehmeranschluss multiplex anordnung |
Publications (1)
Publication Number | Publication Date |
---|---|
BE770678A true BE770678A (fr) | 1971-12-01 |
Family
ID=5778575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE770678A BE770678A (fr) | 1970-07-31 | 1971-07-29 | Installation de controle de fonctionnement dans systeme multiplex de raccordement d'obonnes |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5141488B1 (nl) |
BE (1) | BE770678A (nl) |
CH (1) | CH535519A (nl) |
DE (1) | DE2038218B2 (nl) |
GB (1) | GB1329955A (nl) |
NL (2) | NL150295B (nl) |
SE (1) | SE380156B (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3215670A1 (de) * | 1982-04-27 | 1983-10-27 | Siemens AG, 1000 Berlin und 8000 München | Teilnehmeranschlussschaltung mit pruefanschluessen |
DE3215680A1 (de) * | 1982-04-27 | 1983-10-27 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur pruefung einer teilnehmeranschlussschaltung sowie der daran angeschlossenen analogteilnehmerstation und teilnehmeranschlussleitung und schaltungsanordnung zur durchfuehrung des verfahrens |
DE3633057C2 (de) * | 1986-09-29 | 1994-01-20 | Kommunikations Elektronik | Schaltungsanordnung zur Übertragung nachrichtentechnischer Signale |
-
1970
- 1970-07-31 DE DE19702038218 patent/DE2038218B2/de not_active Withdrawn
-
1971
- 1971-07-02 CH CH975671A patent/CH535519A/de not_active IP Right Cessation
- 1971-07-28 JP JP5669571A patent/JPS5141488B1/ja active Pending
- 1971-07-29 BE BE770678A patent/BE770678A/xx unknown
- 1971-07-29 GB GB3570471A patent/GB1329955A/en not_active Expired
- 1971-07-30 NL NL7110582A patent/NL150295B/nl unknown
- 1971-07-30 SE SE981771A patent/SE380156B/xx unknown
-
1976
- 1976-02-05 NL NL7601193A patent/NL7601193A/nl unknown
Also Published As
Publication number | Publication date |
---|---|
NL7601193A (nl) | 1976-05-31 |
GB1329955A (en) | 1973-09-12 |
DE2038218B2 (de) | 1972-03-09 |
NL150295B (nl) | 1976-07-15 |
DE2038218A1 (nl) | 1972-03-09 |
CH535519A (de) | 1973-03-31 |
NL7110582A (nl) | 1972-02-02 |
JPS5141488B1 (nl) | 1976-11-10 |
SE380156B (nl) | 1975-10-27 |
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