FR2714557B1 - Dispositif de sécurisation de liaisons optiques. - Google Patents
Dispositif de sécurisation de liaisons optiques.Info
- Publication number
- FR2714557B1 FR2714557B1 FR9315809A FR9315809A FR2714557B1 FR 2714557 B1 FR2714557 B1 FR 2714557B1 FR 9315809 A FR9315809 A FR 9315809A FR 9315809 A FR9315809 A FR 9315809A FR 2714557 B1 FR2714557 B1 FR 2714557B1
- Authority
- FR
- France
- Prior art keywords
- optical
- signal
- allow
- couplings
- defective
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
-
- 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
- H04B10/032—Arrangements for fault recovery using working and protection systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
- H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
- H04J14/0242—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON
- H04J14/0245—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU
- H04J14/0246—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths in WDM-PON for downstream transmission, e.g. optical line terminal [OLT] to ONU using one wavelength per ONU
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0287—Protection in WDM systems
- H04J14/0293—Optical channel protection
- H04J14/0294—Dedicated protection at the optical channel (1+1)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0278—WDM optical network architectures
- H04J14/0279—WDM point-to-point architectures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0278—WDM optical network architectures
- H04J14/0282—WDM tree architectures
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9315809A FR2714557B1 (fr) | 1993-12-29 | 1993-12-29 | Dispositif de sécurisation de liaisons optiques. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9315809A FR2714557B1 (fr) | 1993-12-29 | 1993-12-29 | Dispositif de sécurisation de liaisons optiques. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2714557A1 FR2714557A1 (fr) | 1995-06-30 |
FR2714557B1 true FR2714557B1 (fr) | 1996-01-19 |
Family
ID=9454528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9315809A Expired - Fee Related FR2714557B1 (fr) | 1993-12-29 | 1993-12-29 | Dispositif de sécurisation de liaisons optiques. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2714557B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6483803B1 (en) | 1996-09-04 | 2002-11-19 | Nortel Networks Limited | Apparatus and method for restoring fiber optic communications network connections |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62196934A (ja) * | 1986-02-24 | 1987-08-31 | Nec Corp | 光フアイバ切替方式 |
BE1004668A3 (nl) * | 1991-04-02 | 1993-01-05 | Bell Telephone Mfg | Beschermingsinrichting voor een optische zender/ontvangerinrichting. |
-
1993
- 1993-12-29 FR FR9315809A patent/FR2714557B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2714557A1 (fr) | 1995-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20110131 |