SE9602005D0 - Kanal i data- och telekommunikationssystem - Google Patents

Kanal i data- och telekommunikationssystem

Info

Publication number
SE9602005D0
SE9602005D0 SE9602005A SE9602005A SE9602005D0 SE 9602005 D0 SE9602005 D0 SE 9602005D0 SE 9602005 A SE9602005 A SE 9602005A SE 9602005 A SE9602005 A SE 9602005A SE 9602005 D0 SE9602005 D0 SE 9602005D0
Authority
SE
Sweden
Prior art keywords
receiver
nodes
transmitter
spare
cable
Prior art date
Application number
SE9602005A
Other languages
English (en)
Other versions
SE9602005L (sv
Inventor
Bengt Johansson
Lars Egnell
Magnus Oeberg
Original Assignee
Ericsson Telefon Ab L M
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.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9602005A priority Critical patent/SE9602005L/sv
Publication of SE9602005D0 publication Critical patent/SE9602005D0/sv
Priority to AU29867/97A priority patent/AU2986797A/en
Priority to PCT/SE1997/000845 priority patent/WO1997045977A1/en
Publication of SE9602005L publication Critical patent/SE9602005L/sv

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0278WDM optical network architectures
    • H04J14/0283WDM ring architectures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/02Wavelength-division multiplex systems
    • H04J14/0287Protection in WDM systems
    • H04J14/0293Optical channel protection
    • H04J14/0295Shared protection at the optical channel (1:1, n:m)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
SE9602005A 1996-05-24 1996-05-24 Optiskt fibernätverk med reservsändare och-mottagare SE9602005L (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9602005A SE9602005L (sv) 1996-05-24 1996-05-24 Optiskt fibernätverk med reservsändare och-mottagare
AU29867/97A AU2986797A (en) 1996-05-24 1997-05-22 Channel protection in data-communication and data telecommunication system
PCT/SE1997/000845 WO1997045977A1 (en) 1996-05-24 1997-05-22 Channel protection in data-communication and data telecommunication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9602005A SE9602005L (sv) 1996-05-24 1996-05-24 Optiskt fibernätverk med reservsändare och-mottagare

Publications (2)

Publication Number Publication Date
SE9602005D0 true SE9602005D0 (sv) 1996-05-24
SE9602005L SE9602005L (sv) 1997-11-25

Family

ID=20402702

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9602005A SE9602005L (sv) 1996-05-24 1996-05-24 Optiskt fibernätverk med reservsändare och-mottagare

Country Status (3)

Country Link
AU (1) AU2986797A (sv)
SE (1) SE9602005L (sv)
WO (1) WO1997045977A1 (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE368969T1 (de) * 1998-02-24 2007-08-15 Ericsson Telefon Ab L M Wellenlängenmultiplexkanalschutz
US6915075B1 (en) 1998-02-24 2005-07-05 Telefonaktiebolaget Lm Ericsson (Publ) Protection of WDM-channels
ITMI991276A1 (it) * 1999-06-09 2000-12-09 Cit Alcatel Metodo per il recupero dei path unidirezionali tra piu' nodi nel casodi anelli transoceanici tipo ms-sp ring per telecomunicazioni sdh
CN100431288C (zh) * 2002-11-21 2008-11-05 中兴通讯股份有限公司 采用可调谐光源实现业务保护的方法和装置
CN113541775B (zh) * 2021-09-15 2022-01-28 北京国科天迅科技有限公司 光纤总线故障重构系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993014574A1 (en) * 1992-01-10 1993-07-22 Fujitsu Limited Optical transmission system
US5740157A (en) * 1992-05-21 1998-04-14 Alcatel Network Systems, Inc. Distributed control methodology and mechanism for implementing automatic protection switching
JPH0786988A (ja) * 1993-09-16 1995-03-31 Fujitsu Ltd Pca伝送装置及びpca伝送方法

Also Published As

Publication number Publication date
SE9602005L (sv) 1997-11-25
WO1997045977A1 (en) 1997-12-04
AU2986797A (en) 1998-01-05

Similar Documents

Publication Publication Date Title
US6661972B1 (en) Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic
JP3657994B2 (ja) 光挿入/分岐波長分割多重システムの改善またはそれに関連する改善
US6005694A (en) Method and system for detecting optical faults within the optical domain of a fiber communication network
US7272321B1 (en) Passive optical network
US5708753A (en) Method of recovering from a fiber-cable cut using random splicing reconnection
WO1998047039A3 (en) Method and apparatus for operation, protection, and restoration of heterogeneous optical communication networks
AU9456098A (en) Fault location and performance testing of communication networks
US4946244A (en) Fiber optic distribution system and method of using same
SE9501193L (sv) Optiskt nät samt anordning och förfarande i detta
US20040076114A1 (en) Method and apparatus for shared protection in an optical transport network ring based on the ODU management
KR20040023305A (ko) Otdr을 이용한 wdm-pon 광선로 감시장치
SE9500404D0 (sv) Förfarande i ett optiskt bussnät
WO1998052314A2 (en) An add and drop node for optical communication systems
SE9501075D0 (sv) Anordning och förfarande i ett optiskt bussnät
SE9602005D0 (sv) Kanal i data- och telekommunikationssystem
CA2051252A1 (en) Bidirectional light waveguide telecommunication system
Butler et al. Wave-division multiplexing in the Sprint long distance network
NZ260626A (en) Optical fibre subscriber network
EP0928082B1 (en) Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic
CN212785357U (zh) 一种多功能的光监控信道模块
USRE42095E1 (en) Method for transferring utility optical signals and optical-line network
WO2002021746A3 (en) Communication system
Jacobs Design considerations for long-haul lightwave systems
CN111970048A (zh) 一种多功能的光监控信道模块及其运行方法
US6583898B1 (en) Optical transmission device and method for checking transmission in an optical transmission device

Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 9602005-2