KR0146645B1 - 광선로 이중링에서의 장애복구장치 - Google Patents
광선로 이중링에서의 장애복구장치Info
- Publication number
- KR0146645B1 KR0146645B1 KR1019940035051A KR19940035051A KR0146645B1 KR 0146645 B1 KR0146645 B1 KR 0146645B1 KR 1019940035051 A KR1019940035051 A KR 1019940035051A KR 19940035051 A KR19940035051 A KR 19940035051A KR 0146645 B1 KR0146645 B1 KR 0146645B1
- Authority
- KR
- South Korea
- Prior art keywords
- optical
- failure
- connection
- board
- boards
- Prior art date
Links
- 239000013307 optical fiber Substances 0.000 title abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 164
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000004044 response Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 2
- 230000010485 coping Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H04J14/0278—WDM optical network architectures
- H04J14/0283—WDM ring architectures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/437—Ring fault isolation or reconfiguration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims (3)
- 가입자 선로 접속기능을 제공하여 가입자와 데이터를 송수신하는 가입자 접속부(4-4)와, 광 선로 접속기능을 제공하여 인접한 노드와의 통신기능을 제공하는 2개의 광접속 보드(4-5, 4-6)로 구성되는 광선로 이중링에서의 장애 복구 장치에 있어서, 상기 2개의 광접속보드(4-5, 4-6)를 백업하여 상기 광 접속 보드의 장애 발생 여부를 조사하고 장애 발생시 장애가 발생한 광 접속 보드의 기능을 대신하는 백업보드(4-1), 및 상기 광접속보드(4-5, 4-6)의 정상 동작시나 장애 발생시 상기 가입자 접속부(4-4)와 2개의 광접속보드(4-5, 4-6) 및 백업보드(4-1)간의 데이터 경로를 제어하는 2개의 다중화기(4-2)를 포함하여 구성되는 것을 특징으로 하는 광선로 이중링에서의 장애 복구 장치.
- 제1항에 있어서, 상기 백업보드(4-1)는 정기적으로 상기 광접속 보드(4-5, 4-6)로 상태 문의 전문을 전송하고 상기 전송된 상태 문의 전문에 대한 응답의 유무에 따라 해당 광 접속 보드(4-5, 4-6)의 장애 발생을 판단하는 것을 특징으로 하는 광선로 이중링에서의 장애 복구 장치.
- 제1항에 있어서, 상기 백업보드(4-1)는 상기 광 접속 보드(4-5, 4-6)와 인접한 노드와의 데이터 경로를 제어하기 위해 스위칭하는 광스위치(5-1), 상기 광 접속 보드(4-5, 4-6)의 장애 발생시 해당 노드로 전송되는 광신호를 발생하여 상기 광스위치(5-1)로 송신하는 광신호 송신부(5-5), 상기 광 접속 보드(4-5, 4-6)의 장애 발생시 해당 노드로부터 전송되는 광신호를 수신하는 2개의 광신호 수신부(5-3, 5-4), 및 상기 광 접속 보드(4-5, 4-6)의 장애 발생시 2개의 광신호 수신부(5-3, 5-4)를 통해 출력되는 광신호 중에서 하나를 선택하는 다중화부(5-2)로 구성되는 것을 특징으로 하는 광선로 이중링에서의 장애 복구 장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940035051A KR0146645B1 (ko) | 1994-12-19 | 1994-12-19 | 광선로 이중링에서의 장애복구장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940035051A KR0146645B1 (ko) | 1994-12-19 | 1994-12-19 | 광선로 이중링에서의 장애복구장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960024471A KR960024471A (ko) | 1996-07-20 |
KR0146645B1 true KR0146645B1 (ko) | 1998-08-17 |
Family
ID=19402179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940035051A KR0146645B1 (ko) | 1994-12-19 | 1994-12-19 | 광선로 이중링에서의 장애복구장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0146645B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6222654B1 (en) * | 1997-08-04 | 2001-04-24 | Lucent Technologies, Inc. | Optical node system for a ring architecture and method thereof |
-
1994
- 1994-12-19 KR KR1019940035051A patent/KR0146645B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960024471A (ko) | 1996-07-20 |
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Legal Events
Date | Code | Title | Description |
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A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19941219 |
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Patent event code: PA02012R01D Patent event date: 19941219 Comment text: Request for Examination of Application |
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19980328 |
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