FI892209A - Tdm datatransmissionssystem. - Google Patents
Tdm datatransmissionssystem. Download PDFInfo
- Publication number
- FI892209A FI892209A FI892209A FI892209A FI892209A FI 892209 A FI892209 A FI 892209A FI 892209 A FI892209 A FI 892209A FI 892209 A FI892209 A FI 892209A FI 892209 A FI892209 A FI 892209A
- Authority
- FI
- Finland
- Prior art keywords
- gate
- fixed stuff
- parity
- bytes
- tdm
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/14—Monitoring arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/07—Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates or bit rates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
- H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
- H04J2203/0057—Operations, administration and maintenance [OAM]
- H04J2203/006—Fault tolerance and recovery
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Time-Division Multiplex Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Radio Relay Systems (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888810948A GB8810948D0 (en) | 1988-05-09 | 1988-05-09 | Tdm data transmission system |
Publications (2)
Publication Number | Publication Date |
---|---|
FI892209A0 FI892209A0 (fi) | 1989-05-08 |
FI892209A true FI892209A (fi) | 1989-11-10 |
Family
ID=10636587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI892209A FI892209A (fi) | 1988-05-09 | 1989-05-08 | Tdm datatransmissionssystem. |
Country Status (12)
Country | Link |
---|---|
US (1) | US4964122A (da) |
EP (1) | EP0341891B1 (da) |
JP (1) | JPH0271636A (da) |
CN (1) | CN1016392B (da) |
AT (1) | ATE120590T1 (da) |
AU (1) | AU610396B2 (da) |
CA (1) | CA1310436C (da) |
DE (1) | DE68921917T2 (da) |
DK (1) | DK171007B1 (da) |
FI (1) | FI892209A (da) |
GB (2) | GB8810948D0 (da) |
PT (1) | PT90513B (da) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02131040A (ja) * | 1988-11-11 | 1990-05-18 | Hitachi Ltd | ディジタルパス監視方法およびスタッフ多重変換装置ならびに通信システム |
DE3934248A1 (de) * | 1989-10-13 | 1991-04-18 | Standard Elektrik Lorenz Ag | Multiplexer und demultiplexer, insbesondere fuer nachrichtenuebertragungs-netze mit einer synchronen hierarchie der digitalsignale |
FR2677208B1 (fr) * | 1991-05-27 | 1993-09-24 | Matra Communication | Procede et dispositif d'insertion de voies paquets dans un signal de television a multiplex analogique-numerique. |
FR2722353B1 (fr) * | 1994-07-11 | 1996-08-23 | Alcatel Mobile Comm France | 1trame montante a l'interface transc2dans un reseau cellulaire de radioc3mobiles |
DK133395A (da) * | 1995-11-24 | 1997-05-25 | Dsc Communications As | Datatransmissionssystem til transmission af et stort antal telefonkanaler og fremgangsmåde i forbindelse hermed |
US6699699B2 (en) | 2002-03-26 | 2004-03-02 | Synmax Biochemical Co., Ltd. | Mutated penicillin expandases |
US7555703B2 (en) * | 2004-06-17 | 2009-06-30 | Intel Corporation | Method and apparatus for reducing false error detection in a microprocessor |
WO2008087975A1 (ja) * | 2007-01-17 | 2008-07-24 | Nippon Telegraph And Telephone Corporation | デジタル伝送システムおよびデジタル伝送方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3404372A (en) * | 1964-04-29 | 1968-10-01 | Gen Electric | Inconsistent parity check |
DE2415472C3 (de) * | 1974-03-29 | 1979-09-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Verfahren zur Bitfehlerratenüberwachung in PCM-Fernmeldeübertragungssystemen |
US4387460A (en) * | 1979-07-23 | 1983-06-07 | Societe Anonyme De Tele-Communication | Supplementary information transmitting arrangement for a digital data transmission system |
US4660202A (en) * | 1985-04-29 | 1987-04-21 | Zenith Electronics Corporation | Error protection method for packeted data |
US4644529A (en) * | 1985-08-02 | 1987-02-17 | Gte Laboratories Incorporated | High-speed switching processor for a burst-switching communications system |
FR2593340B1 (fr) * | 1986-01-17 | 1993-06-18 | Telecommunications Sa | Procede et equipements de multiplexage et demultiplexage pour mesurer la qualite et localiser des defauts dans des voies numeriques multiplexees |
US4719624A (en) * | 1986-05-16 | 1988-01-12 | Bell Communications Research, Inc. | Multilevel multiplexing |
US4835768A (en) * | 1988-04-14 | 1989-05-30 | Bell Communications Research, Inc. | High speed digital signal framer-demultiplexer |
-
1988
- 1988-05-09 GB GB888810948A patent/GB8810948D0/en active Pending
-
1989
- 1989-04-28 GB GB8909790A patent/GB2218598B/en not_active Expired - Fee Related
- 1989-05-02 US US07/346,126 patent/US4964122A/en not_active Expired - Fee Related
- 1989-05-03 AT AT89304451T patent/ATE120590T1/de active
- 1989-05-03 DE DE68921917T patent/DE68921917T2/de not_active Expired - Fee Related
- 1989-05-03 EP EP89304451A patent/EP0341891B1/en not_active Expired - Lifetime
- 1989-05-08 FI FI892209A patent/FI892209A/fi not_active Application Discontinuation
- 1989-05-08 CA CA000598994A patent/CA1310436C/en not_active Expired - Fee Related
- 1989-05-08 JP JP1113863A patent/JPH0271636A/ja active Pending
- 1989-05-09 DK DK227989A patent/DK171007B1/da not_active IP Right Cessation
- 1989-05-09 CN CN89103202.9A patent/CN1016392B/zh not_active Expired
- 1989-05-09 PT PT90513A patent/PT90513B/pt not_active IP Right Cessation
- 1989-05-09 AU AU34629/89A patent/AU610396B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE68921917D1 (de) | 1995-05-04 |
PT90513A (pt) | 1989-11-30 |
FI892209A0 (fi) | 1989-05-08 |
AU610396B2 (en) | 1991-05-16 |
CN1037815A (zh) | 1989-12-06 |
GB2218598A (en) | 1989-11-15 |
DK171007B1 (da) | 1996-04-15 |
GB2218598B (en) | 1992-06-10 |
GB8909790D0 (en) | 1989-06-14 |
JPH0271636A (ja) | 1990-03-12 |
DK227989D0 (da) | 1989-05-09 |
EP0341891A2 (en) | 1989-11-15 |
GB8810948D0 (en) | 1988-06-15 |
CN1016392B (zh) | 1992-04-22 |
ATE120590T1 (de) | 1995-04-15 |
DK227989A (da) | 1989-11-10 |
EP0341891A3 (en) | 1991-08-07 |
CA1310436C (en) | 1992-11-17 |
US4964122A (en) | 1990-10-16 |
DE68921917T2 (de) | 1995-07-27 |
EP0341891B1 (en) | 1995-03-29 |
PT90513B (pt) | 1995-05-31 |
AU3462989A (en) | 1989-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed | ||
FD | Application lapsed |
Owner name: GEC PLESSEY TELECOMMUNICATIONS LIMITED |