CA2006452A1 - Central numerique et sa methode de controle - Google Patents
Central numerique et sa methode de controleInfo
- Publication number
- CA2006452A1 CA2006452A1 CA2006452A CA2006452A CA2006452A1 CA 2006452 A1 CA2006452 A1 CA 2006452A1 CA 2006452 A CA2006452 A CA 2006452A CA 2006452 A CA2006452 A CA 2006452A CA 2006452 A1 CA2006452 A1 CA 2006452A1
- Authority
- CA
- Canada
- Prior art keywords
- digital
- clock
- synchronizing
- trunks
- signal
- 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
- 230000005540 biological transmission Effects 0.000 abstract 3
- 230000005856 abnormality Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32486688A JPH02170699A (ja) | 1988-12-22 | 1988-12-22 | ディジタル交換機 |
| JP324866/1988 | 1988-12-22 | ||
| JP543089A JPH02185139A (ja) | 1989-01-12 | 1989-01-12 | 構内交換機 |
| JP5430/1989 | 1989-01-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2006452A1 true CA2006452A1 (fr) | 1990-06-22 |
| CA2006452C CA2006452C (fr) | 1996-06-18 |
Family
ID=26339374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002006452A Expired - Lifetime CA2006452C (fr) | 1988-12-22 | 1989-12-21 | Central numerique et sa methode de controle |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5099474A (fr) |
| CA (1) | CA2006452C (fr) |
| GB (1) | GB2227626B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5521903A (en) * | 1993-12-27 | 1996-05-28 | At&T Corp. | Port system for interfacing digital PBX to digital transmission facility |
| DE19623480C1 (de) * | 1996-06-12 | 1997-10-30 | Siemens Ag | Verfahren zur Generierung eines zur Steuerung einer Datenausgabe verwendbaren Ausgabetaktsignals in Abhängigkeit von einem von mehreren Eingabetaktsignalen |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3863033A (en) * | 1973-04-30 | 1975-01-28 | Gte Automatic Electric Lab Inc | Step-by-step telephone central exchanges for use with pcm communication networks |
| FR2455823A1 (fr) * | 1979-05-04 | 1980-11-28 | Cit Alcatel | Dispositif de raccordement de multiplex dans un central de commutation temporelle |
| US4332026A (en) * | 1980-03-07 | 1982-05-25 | Ibm Corporation | Multiple data rate digital switch for a TDMA communications controller |
| FR2513470B1 (fr) * | 1981-09-18 | 1986-02-21 | Cit Alcatel | Groupe d'unites de terminaux pour autocommutateur numerique |
| FR2537373A1 (fr) * | 1982-12-06 | 1984-06-08 | Cit Alcatel | Dispositif de traitement de signalisation voie par voie pour autocommutateur temporel |
| JPS59181895A (ja) * | 1983-03-31 | 1984-10-16 | Hitachi Ltd | 時分割交換機 |
| JPH0632522B2 (ja) * | 1983-12-29 | 1994-04-27 | 富士通株式会社 | ディジタル信号伝送方法 |
| JPH0710072B2 (ja) * | 1989-05-18 | 1995-02-01 | 株式会社ケンウッド | 角度変調回路 |
-
1989
- 1989-12-21 GB GB8928870A patent/GB2227626B/en not_active Expired - Lifetime
- 1989-12-21 US US07/454,597 patent/US5099474A/en not_active Expired - Lifetime
- 1989-12-21 CA CA002006452A patent/CA2006452C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2227626A (en) | 1990-08-01 |
| US5099474A (en) | 1992-03-24 |
| GB8928870D0 (en) | 1990-02-28 |
| GB2227626B (en) | 1993-11-17 |
| CA2006452C (fr) | 1996-06-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |