DE69006806T2 - Schleifenschlussanordnung für optisches Zeitgetrenntlage-Übertragungssystem. - Google Patents

Schleifenschlussanordnung für optisches Zeitgetrenntlage-Übertragungssystem.

Info

Publication number: DE69006806T2
Authority: DE; Germany
Prior art keywords: transmission system; time division; optical time; closure arrangement; loop closure
Prior art date: 1989-08-31
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.): Expired - Fee Related

Application number

DE69006806T

Other languages

English (en)

Other versions

DE69006806D1 (de

Inventor

Jacques Coat Mael Abiven

Alain Rebours

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Orange SA

Original Assignee

France Telecom SA

Priority date (The priority date 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 date listed.)

1989-08-31

Filing date

1990-08-31

Publication date

1994-09-08

1990-08-31 Application filed by France Telecom SA filed Critical France Telecom SA

1994-03-31 Application granted granted Critical

1994-03-31 Publication of DE69006806D1 publication Critical patent/DE69006806D1/de

1994-09-08 Publication of DE69006806T2 publication Critical patent/DE69006806T2/de

2010-09-01 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/035—Arrangements for fault recovery using loopbacks
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0771—Fault location on the transmission path
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission

DE69006806T 1989-08-31 1990-08-31 Schleifenschlussanordnung für optisches Zeitgetrenntlage-Übertragungssystem. Expired - Fee Related DE69006806T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8911444A FR2651396B1 (fr)	1989-08-31	1989-08-31	Dispositifs de bouclage pour systemes de transmission optique a l'alternat.

Publications (2)

Publication Number	Publication Date
DE69006806D1 DE69006806D1 (de)	1994-03-31
DE69006806T2 true DE69006806T2 (de)	1994-09-08

Family

ID=9385040

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69006806T Expired - Fee Related DE69006806T2 (de)	1989-08-31	1990-08-31	Schleifenschlussanordnung für optisches Zeitgetrenntlage-Übertragungssystem.

Country Status (6)

Country	Link
US (1)	US5043976A (de)
EP (1)	EP0416986B1 (de)
JP (1)	JP2917465B2 (de)
CA (1)	CA2024314C (de)
DE (1)	DE69006806T2 (de)
FR (1)	FR2651396B1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5148426A (en) *	1990-06-08	1992-09-15	Dsc Communications Corporation	Integrated echo canceling multiplexor
US5825515A (en) *	1991-09-03	1998-10-20	Lucent Technologies Inc.	Supervisory apparatus for optical transmission system
JPH05211479A (ja) *	1992-01-30	1993-08-20	Fujitsu Ltd	同一波長双方向伝送装置の光ループバック方法
JPH05292040A (ja)	1992-04-08	1993-11-05	Hitachi Ltd	光伝送システムの構築方法
US5392369A (en) *	1992-03-03	1995-02-21	Edelman; Seymour	Optical digital memory system
US5321780A (en) *	1992-03-03	1994-06-14	Seymour Edelman	Optical digital memory system
US5555477A (en) *	1992-04-08	1996-09-10	Hitachi, Ltd.	Optical transmission system constructing method and system
US6005699A (en) *	1992-04-08	1999-12-21	Hitachi, Ltd.	Optical wavelength multiplexing system
JPH06291732A (ja) *	1993-02-03	1994-10-18	Hitachi Ltd	情報伝送処理装置
JPH07254890A (ja) *	1994-03-16	1995-10-03	Fujitsu Ltd	光双方向伝送制御方式
US5838471A (en) *	1995-06-27	1998-11-17	Norand Corporation	Infrared echo canceling
US6208621B1 (en)	1997-12-16	2001-03-27	Lsi Logic Corporation	Apparatus and method for testing the ability of a pair of serial data transceivers to transmit serial data at one frequency and to receive serial data at another frequency
US6341142B2 (en)	1997-12-16	2002-01-22	Lsi Logic Corporation	Serial data transceiver including elements which facilitate functional testing requiring access to only the serial data ports, and an associated test method
US6331999B1 (en)	1998-01-15	2001-12-18	Lsi Logic Corporation	Serial data transceiver architecture and test method for measuring the amount of jitter within a serial data stream
WO2004066601A1 (en) *	2003-01-24	2004-08-05	Telefonaktiebolaget Lm Ericsson (Publ)	Method and arrangement to perform a link test between end nodes in dsl communication networks, using several separate loop-back tests
US7330438B2 (en) *	2003-12-10	2008-02-12	Electronics And Telecommunications Research Institute	Apparatus for transceiving packets in WDM-PON
US7715678B2 (en) *	2006-02-10	2010-05-11	3M Innovative Properties Company	Optical fiber loopback test system and method
JP4697883B2 (ja) *	2006-07-14	2011-06-08	Ｋｄｄｉ株式会社	リンク接続性確認方法
US7836372B2 (en)	2007-06-08	2010-11-16	Apple Inc.	Memory controller with loopback test interface

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2491701A1 (fr) *	1980-10-08	1982-04-09	Pays Gerard	Procede et dispositif pour minimiser la telediaphonie entre des lignes de transmission numerique
JPS58171138A (ja) *	1982-04-01	1983-10-07	Nec Corp	光送受信方式
JPS58171139A (ja) *	1982-04-01	1983-10-07	Nec Corp	光送受信方式
GB2191356B (en) *	1986-06-03	1990-06-13	Stc Plc	Optical communication terminal
US4829512A (en) *	1986-08-26	1989-05-09	Nec Corporation	Loop-back control apparatus for a loop network having duplicate optical fiber transmission lines
DE3715294A1 (de) *	1987-05-08	1988-11-24	Kabelmetal Electro Gmbh	Verfahren zur datenuebertragung
NL8701750A (nl) *	1987-07-24	1989-02-16	At & T & Philips Telecomm	Zend-ontvanginrichting voor vol-duplex datatransmissie met een echocompensator en testvoorzieningen.

1989
- 1989-08-31 FR FR8911444A patent/FR2651396B1/fr not_active Expired - Lifetime
1990
- 1990-08-28 US US07/573,979 patent/US5043976A/en not_active Expired - Lifetime
- 1990-08-30 CA CA002024314A patent/CA2024314C/en not_active Expired - Fee Related
- 1990-08-31 EP EP90402410A patent/EP0416986B1/de not_active Expired - Lifetime
- 1990-08-31 DE DE69006806T patent/DE69006806T2/de not_active Expired - Fee Related
- 1990-08-31 JP JP2228534A patent/JP2917465B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2024314C (en)	1996-10-01
EP0416986B1 (de)	1994-02-23
FR2651396B1 (fr)	1991-12-20
FR2651396A1 (fr)	1991-03-01
JP2917465B2 (ja)	1999-07-12
JPH03273721A (ja)	1991-12-04
EP0416986A1 (de)	1991-03-13
DE69006806D1 (de)	1994-03-31
US5043976A (en)	1991-08-27
CA2024314A1 (en)	1991-03-01

Legal Events

Date	Code	Title	Description
1995-03-23	8364	No opposition during term of opposition
2005-06-09	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE69006806T2 (de)	1994-09-08	Schleifenschlussanordnung für optisches Zeitgetrenntlage-Übertragungssystem.
DE3789626D1 (de)	1994-05-26	Wellenleiterübertragungssystem.
DE69020105T2 (de)	1996-01-25	Datenübertragungssystem.
DE69027378D1 (de)	1996-07-18	Optisches Übertragungssystem
DE69013224T2 (de)	1995-03-02	Fiberoptisches Defektmeldesystem.
DE68924954T2 (de)	1996-04-18	Übertragungssystem für verteilte Datenbanken.
DE68923853D1 (de)	1995-09-21	Betriebssicheres optisches Übertragungssystem.
DE68920495T2 (de)	1995-08-17	Optoelektronische Vorrichtung für ein optisches Übertragungssystem.
DE68927843D1 (de)	1997-04-17	Übertragungssystem für optische Signale
DE69022256T2 (de)	1996-05-09	Optisches Übertragungssystem.
DE69023206T2 (de)	1996-04-18	Relaisübertragungssystem.
DE68917668T2 (de)	1994-12-15	Automatisches Getriebesystem für Fahrzeuge.
DE69020625D1 (de)	1995-08-10	Optisches System.
DE69105409T2 (de)	1995-06-22	Optisches system für beleuchtungsarmatur.
DE69022323D1 (de)	1995-10-19	Getriebesteuerungssystem.
DE68920970T2 (de)	1995-07-06	Übertragungsleitungs-Überwachungssystem.
DE68907612D1 (de)	1993-08-19	Optisches system.
DE68918912D1 (de)	1994-11-24	Automatisches Fernmeldesystem.
DE69016061T2 (de)	1995-05-18	Faseroptisches Übertragungssystem.
DE69019846D1 (de)	1995-07-13	Optisches Übertragungssystem.
DE3581497D1 (de)	1991-02-28	Optisches uebertragungssystem.
DE68927040D1 (de)	1996-10-02	Optisches Übertragungssystem
DE69105180D1 (de)	1994-12-22	Rasteinrichtung für ein automatisches Getriebesystem.
DE69124188D1 (de)	1997-02-27	System zür Datenübertragung
DE68906109D1 (de)	1993-05-27	Optisches abtastsystem.