DE69515171T2 - Optisches telekommunikationsnetz - Google Patents

Optisches telekommunikationsnetz

Info

Publication number
DE69515171T2
DE69515171T2 DE69515171T DE69515171T DE69515171T2 DE 69515171 T2 DE69515171 T2 DE 69515171T2 DE 69515171 T DE69515171 T DE 69515171T DE 69515171 T DE69515171 T DE 69515171T DE 69515171 T2 DE69515171 T2 DE 69515171T2
Authority
DE
Germany
Prior art keywords
telecommunications network
optical telecommunications
optical
network
telecommunications
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 - Lifetime
Application number
DE69515171T
Other languages
English (en)
Other versions
DE69515171D1 (de
Inventor
David Cotter
Christopher Tatham
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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
Priority claimed from GB9410311A external-priority patent/GB9410311D0/en
Priority claimed from GB9412956A external-priority patent/GB9412956D0/en
Priority claimed from GB9419679A external-priority patent/GB9419679D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of DE69515171D1 publication Critical patent/DE69515171D1/de
Application granted granted Critical
Publication of DE69515171T2 publication Critical patent/DE69515171T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/29Repeaters
    • H04B10/291Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/299Signal waveform processing, e.g. reshaping or retiming
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J14/00Optical multiplex systems
    • H04J14/08Time-division multiplex systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2852Metropolitan area networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0075Arrangements for synchronising receiver with transmitter with photonic or optical means
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/04Speed or phase control by synchronisation signals
    • H04L7/041Speed or phase control by synchronisation signals using special codes as synchronising signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q11/0066Provisions for optical burst or packet networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0007Construction
    • H04Q2011/0013Construction using gating amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0007Construction
    • H04Q2011/002Construction using optical delay lines or optical buffers or optical recirculation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0007Construction
    • H04Q2011/0033Construction using time division switching
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0007Construction
    • H04Q2011/0035Construction using miscellaneous components, e.g. circulator, polarisation, acousto/thermo optical
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0037Operation
    • H04Q2011/0039Electrical control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0037Operation
    • H04Q2011/0041Optical control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005Switch and router aspects
    • H04Q2011/0037Operation
    • H04Q2011/0045Synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/0001Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062Network aspects
    • H04Q2011/009Topology aspects
    • H04Q2011/0092Ring
DE69515171T 1994-05-23 1995-05-23 Optisches telekommunikationsnetz Expired - Lifetime DE69515171T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB9410311A GB9410311D0 (en) 1994-05-23 1994-05-23 Ultrafast self-routing networks
GB9412956A GB9412956D0 (en) 1994-06-28 1994-06-28 Optical telecommunications network
EP94306015 1994-08-15
GB9419679A GB9419679D0 (en) 1994-09-28 1994-09-28 Optical telecommunications network
EP94308523 1994-11-18
EP94308568 1994-11-21
PCT/GB1995/001176 WO1995033324A2 (en) 1994-05-23 1995-05-23 Optical telecommunications network

Publications (2)

Publication Number Publication Date
DE69515171D1 DE69515171D1 (de) 2000-03-30
DE69515171T2 true DE69515171T2 (de) 2000-09-14

Family

ID=27545736

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69526342T Expired - Fee Related DE69526342T2 (de) 1994-05-23 1995-05-23 Verarbeitung optischer pakete
DE69515171T Expired - Lifetime DE69515171T2 (de) 1994-05-23 1995-05-23 Optisches telekommunikationsnetz

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69526342T Expired - Fee Related DE69526342T2 (de) 1994-05-23 1995-05-23 Verarbeitung optischer pakete

Country Status (10)

Country Link
US (3) US5912753A (de)
EP (2) EP0761050B1 (de)
JP (2) JP3590066B2 (de)
CN (2) CN1152983A (de)
AU (4) AU695318B2 (de)
CA (2) CA2190970C (de)
DE (2) DE69526342T2 (de)
ES (1) ES2143632T3 (de)
HK (1) HK1013584A1 (de)
WO (2) WO1995032568A1 (de)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ313707A (en) * 1995-07-28 1999-04-29 British Telecomm Packet routing comprising a packet, node and directional flag
JP2000510967A (ja) * 1996-05-22 2000-08-22 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 光学的同期装置
FR2761169B1 (fr) * 1997-03-20 1999-04-30 Alsthom Cge Alcatel Regenerateur a modulation optique pour des systemes de transmission a fibre optique a signaux solitons
US6275311B1 (en) * 1997-06-30 2001-08-14 Pirelli Cavi E Sistemi S.P.A. Optical device for processing an optical digital signal
CA2302260C (en) * 1997-09-17 2007-03-13 British Telecommunications Public Limited Company Method of packet transmission in communications network
GB9719895D0 (en) * 1997-09-18 1997-11-19 British Telecomm A method of obtaining an optical signal stream
US6265999B1 (en) 1997-09-30 2001-07-24 Trustees Of Princeton University High-speed serial-to-parallel and analog-to-digital conversion
EP1057298B1 (de) * 1998-02-17 2006-01-18 The Regents of The University of Michigan Selbst-synchronisierung eines optischen paketnetzwerkes durch ursprungspulse, die aus den paketen gewonnen wurden
US7099593B1 (en) * 1998-02-17 2006-08-29 University Of Michigan Self-synchronization of an optical packet network using seed pulses extracted from within the packets
US6314115B1 (en) * 1998-05-15 2001-11-06 University Of Central Florida Hybrid WDM-TDM optical communication and data link
US6580537B1 (en) 1998-07-17 2003-06-17 Regents Of The University Of California, The High-throughput, low-latency next generation internet networks using optical label switching and high-speed optical header generation, detection and reinsertion
US6111673A (en) 1998-07-17 2000-08-29 Telcordia Technologies, Inc. High-throughput, low-latency next generation internet networks using optical tag switching
US6525850B1 (en) 1998-07-17 2003-02-25 The Regents Of The University Of California High-throughput, low-latency next generation internet networks using optical label switching and high-speed optical header generation, detection and reinsertion
US6577425B1 (en) * 1998-09-17 2003-06-10 Corning Photonic Technologies Inc. Optical device for processing a sequence of bits
US6614781B1 (en) 1998-11-20 2003-09-02 Level 3 Communications, Inc. Voice over data telecommunications network architecture
US6486990B1 (en) * 1998-12-18 2002-11-26 Nortel Networks Limited Method and apparatus for communicating a clock signal in a soliton optical transmission system
US6160651A (en) * 1999-01-25 2000-12-12 Telcordia Technologies, Inc. Optical layer survivability and security system using optical label switching and high-speed optical header reinsertion
US6141132A (en) * 1999-02-02 2000-10-31 Silkroad, Inc. Method of modulating a coherent light source with an electronic digital data stream
US6934471B1 (en) * 1999-06-03 2005-08-23 Avici Systems, Inc. Photonic switch using time-slot interchange
IT1310666B1 (it) * 1999-08-03 2002-02-19 Cselt Centro Studi Lab Telecom Ricevitore per segnali a flusso discontinuo e relativo procedimento diricezione.
DE19940565C1 (de) * 1999-08-26 2001-02-01 Siemens Ag Verfahren zur Leitweglenkung von Datenpaketen eines optischen Datenpaketstromes
US6229606B1 (en) * 1999-10-08 2001-05-08 Mci Worldcom, Inc. Method and apparatus for measuring PMD of a dispersion compensation grating
JP4234866B2 (ja) * 1999-10-29 2009-03-04 富士通株式会社 光ノード,送信用の光ノード及び受信用の光ノード並びに波長パス網用障害復旧方法
KR100341394B1 (ko) * 1999-12-03 2002-06-22 오길록 광 패킷 스위치의 광 패킷 헤더 처리장치
KR100319454B1 (ko) * 1999-12-08 2002-01-05 오길록 저 광 손실 및 소형화를 위한 광학적 루우팅 회로
JP3374174B2 (ja) * 1999-12-15 2003-02-04 独立行政法人通信総合研究所 フォトニックネットワークのパケットルーティング方法およびフォトニックネットワーク用パケットルータ
IL134218A (en) 2000-01-25 2003-12-10 Eci Telecom Ltd Method and apparatus for routing data-carrying optical signals
US6519062B1 (en) 2000-02-29 2003-02-11 The Regents Of The University Of California Ultra-low latency multi-protocol optical routers for the next generation internet
US6570694B1 (en) * 2000-03-03 2003-05-27 Alcatel System and method for low-jitter asynchronous optical regeneration using wavelength sampling
US6961782B1 (en) * 2000-03-14 2005-11-01 International Business Machines Corporation Methods for routing packets on a linear array of processors
GB2361847B (en) * 2000-04-28 2003-12-03 Roke Manor Research Demultiplexer control system and method
FR2813466B1 (fr) * 2000-08-29 2002-12-13 France Telecom Regenerateur tout-optique pour signaux multiplexes en longueur d'onde
US6925259B2 (en) * 2000-10-12 2005-08-02 At&T Corp. MAC protocol for optical packet-switched ring network
US7085494B2 (en) * 2000-10-12 2006-08-01 At & T Corp. High-capacity packet-switched ring network
CA2428230A1 (en) * 2000-11-08 2002-05-16 Yaron Mayer System and method for improving network router efficiency and alleviating network bottlenecks and overloads
WO2003060624A2 (en) * 2001-12-28 2003-07-24 Yaron Mayer System and method for improving network router efficiency and alleviating network bottlenecks and overloads
US20030128987A1 (en) * 2000-11-08 2003-07-10 Yaron Mayer System and method for improving the efficiency of routers on the internet and/or cellular networks an/or other networks and alleviating bottlenecks and overloads on the network
US7012895B1 (en) * 2000-11-17 2006-03-14 University Of Kentucky Research Foundation Packet-switching network with symmetrical topology and method of routing packets
US6895023B2 (en) * 2000-12-11 2005-05-17 Nortel Networks Limited Packet-based optical communications networks
US6819666B2 (en) 2001-01-30 2004-11-16 The Regents Of The University Of California Optical layer multicasting using multiple sub-carrier headers with header detection, deletion, and insertion via reflective single sideband optical processing
US6754450B2 (en) 2001-01-30 2004-06-22 The Regents Of The University Of California Optical layer multicasting using a single sub-carrier header with active header detection, deletion, and new header insertion via opto-electrical processing
US6757496B2 (en) 2001-01-30 2004-06-29 The Regents Of The University Of California Optical layer multicasting using a single sub-carrier header and an optical multicasting switch
US6873797B2 (en) 2001-01-30 2005-03-29 The Regents Of The University Of California Optical layer multicasting
US6850515B2 (en) 2001-01-30 2005-02-01 The Regents Of The University Of California Optical layer multicasting using a single sub-carrier header and a multicast switch with active header insertion via light circulation
US6850707B1 (en) 2001-01-30 2005-02-01 The Regents Of The University Of California Secure optical layer multicasting to effect survivability
US6813276B2 (en) 2001-01-30 2004-11-02 The Regents Of The University Of California Optical layer multicasting using a single sub-carrier header with active header detection, deletion, and re-insertion via a circulating optical path
US6934472B2 (en) * 2001-01-30 2005-08-23 The Regents Of The University Of California Optical layer multicasting using a single sub-carrier header and a multicast switch with active header insertion
US6768871B2 (en) 2001-01-30 2004-07-27 The Regents Of The University Of California Optical layer multicasting using a multicast switch to effect survivability and security
US6757497B2 (en) 2001-01-30 2004-06-29 The Regents Of The University Of California Optical layer multicasting using a single sub-carrier header and a multicast switch with active header insertion via reflective single sideband optical processing
US6636337B2 (en) * 2001-02-09 2003-10-21 Nortel Networks Limited Optical switching device based on stable, non-absorbing optical hard limiters
US6765715B1 (en) * 2001-03-09 2004-07-20 Finisar Corporation Optical 2R/3R regeneration
US7013395B1 (en) * 2001-03-13 2006-03-14 Sandra Corporation Method and tool for network vulnerability analysis
FR2825474B1 (fr) * 2001-06-05 2003-10-24 France Telecom Demultiplexeur temporel optique
EP1276262A1 (de) * 2001-07-10 2003-01-15 Lucent Technologies Inc. Kommunikationsringnetzwerk mit Datentrennung in den Knoten
JP2003110533A (ja) * 2001-09-27 2003-04-11 Fujitsu Ltd 光信号処理装置
US6768827B2 (en) * 2002-01-16 2004-07-27 The Regents Of The University Of California Integrated optical router
CN100372334C (zh) * 2002-10-21 2008-02-27 华为技术有限公司 一种实现在光网络中传输InfiniBand数据的设备及方法
US7366412B2 (en) * 2002-11-08 2008-04-29 Nortel Networks Limited Hybrid fine-coarse carrier switching
DE60302786T2 (de) * 2003-08-18 2006-07-06 Alcatel Verfahren zur optischen Übertragung und optischer Empfänger
WO2005086400A1 (ja) * 2004-03-04 2005-09-15 Fujitsu Limited 光伝送装置
JP4476097B2 (ja) * 2004-10-28 2010-06-09 富士通株式会社 クロック抽出方法および装置
JP4492314B2 (ja) * 2004-11-26 2010-06-30 横河電機株式会社 アドレス判定回路および光通信システム
JP4725843B2 (ja) * 2005-08-25 2011-07-13 横河電機株式会社 光パケットネットワークシステム
JP4577157B2 (ja) * 2005-08-30 2010-11-10 横河電機株式会社 中継器及び光通信システム
WO2007056713A2 (en) * 2005-11-04 2007-05-18 The Trustees Of Columbia University In The City Of New York An optical network
US7889676B1 (en) * 2006-04-13 2011-02-15 Infoblox Inc. Systems and methods for storing and retrieving data
US7805073B2 (en) * 2006-04-28 2010-09-28 Adc Telecommunications, Inc. Systems and methods of optical path protection for distributed antenna systems
WO2008028125A2 (en) * 2006-08-31 2008-03-06 The Trustees Of Columbia University In The City Of New York System and method for strong optical data
DE102006055928A1 (de) 2006-11-27 2008-06-12 Siemens Ag Verfahren und Anordnung zur Steuerung eines Regenerators für Datenburst-Signale eines Systems mit Punkt-zu-Multipunkt-Verbindungen, Übertagungssystem mit Punkt-zu-Multipunkt-Verbindungen und Regenerator
WO2008080122A2 (en) * 2006-12-22 2008-07-03 The Trustees Of Columbia University In The City Of New York Systems and method for on-chip data communication
US20080175597A1 (en) * 2007-01-24 2008-07-24 Oki Electric Industry Co., Ltd. Optical clock signal regeneration device
US20080285971A1 (en) * 2007-03-23 2008-11-20 Odile Liboiron-Ladouceur Switch for optical interconnection networks
US8044655B2 (en) * 2007-05-04 2011-10-25 University Of Rochester Pulse measurement apparatus and method
JP5420523B2 (ja) * 2010-11-24 2014-02-19 富士通テレコムネットワークス株式会社 光パケットスイッチ装置
JP2012165267A (ja) * 2011-02-08 2012-08-30 Fujitsu Telecom Networks Ltd 光パケット交換システムおよび光パケット交換装置
US9136969B2 (en) 2012-01-27 2015-09-15 Futurewei Technologies, Inc. Spectral encoding of an optical label or destination
US9130691B2 (en) * 2013-02-25 2015-09-08 Verizon Patent And Licensing Inc. Optical burst switched network nodes
US9654853B2 (en) * 2013-05-10 2017-05-16 Huawei Technologies Co., Ltd. System and method for photonic switching
FR3045251B1 (fr) * 2015-12-11 2018-01-26 Thales Procedes et dispositifs de transmission de train binaire continu dans un reseau numerique non synchrone du train binaire
US10750255B2 (en) * 2016-04-22 2020-08-18 Huawei Technologies Co., Ltd. Segment routing for optical networks
GB2581490A (en) * 2019-02-18 2020-08-26 Secr Defence Method and device for measuring a pulse signal with high dynamic range
WO2020217299A1 (ja) * 2019-04-23 2020-10-29 日本電信電話株式会社 故障判定システム及び故障判定方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2002729A1 (en) * 1988-11-10 1990-05-10 Antonio Cantoni Distributed router of connectionless packets over connection oriented networks
US5172258A (en) * 1990-05-01 1992-12-15 Georgia Tech Research Corporation Method and apparatus for high data rate fiber optic communication system
US5216670A (en) * 1991-07-03 1993-06-01 International Business Machines Corporation Message stripping protocol for a communication network
EP0547836B1 (de) * 1991-12-16 2001-12-19 AT&T Corp. Optische Paketvermittlungstelle
WO1993022855A1 (en) * 1992-04-27 1993-11-11 British Telecommunications Plc Optical clock recovery
SG49721A1 (en) * 1993-03-02 1998-06-15 British Telecomm Optically encoded signals
JPH0813025B2 (ja) * 1993-04-09 1996-02-07 日本電気株式会社 光クロック抽出装置及び光時分割多重分離装置
JPH10502500A (ja) * 1994-04-15 1998-03-03 アイトゲネーシッシェ テヒニッシェ ホッホシューレ チューリッヒ 通信用の高い伝送容量を有する伝送ネットワーク・システム
FR2726726A1 (fr) * 1994-11-04 1996-05-10 Guillemot Christian Systeme de commutateur pour paquets optiques

Also Published As

Publication number Publication date
JPH10504145A (ja) 1998-04-14
ES2143632T3 (es) 2000-05-16
US6069720A (en) 2000-05-30
US5831752A (en) 1998-11-03
JPH10500268A (ja) 1998-01-06
EP0761071B1 (de) 2000-02-23
DE69526342D1 (de) 2002-05-16
CN1152984A (zh) 1997-06-25
EP0761071A1 (de) 1997-03-12
EP0761050A1 (de) 1997-03-12
AU9239198A (en) 1999-01-21
CN1152983A (zh) 1997-06-25
CA2190970A1 (en) 1995-11-30
AU9239098A (en) 1999-01-21
AU696534B2 (en) 1998-09-10
HK1013584A1 (en) 1999-08-27
WO1995032568A1 (en) 1995-11-30
DE69526342T2 (de) 2002-10-31
US5912753A (en) 1999-06-15
JP3590066B2 (ja) 2004-11-17
DE69515171D1 (de) 2000-03-30
CA2190859C (en) 2002-01-15
AU695318B2 (en) 1998-08-13
CA2190970C (en) 2000-11-07
WO1995033324A2 (en) 1995-12-07
CA2190859A1 (en) 1995-12-07
WO1995033324A3 (en) 1996-04-04
AU2533095A (en) 1995-12-18
AU2533195A (en) 1995-12-21
JP3009734B2 (ja) 2000-02-14
EP0761050B1 (de) 2002-04-10
AU715568B2 (en) 2000-02-03

Similar Documents

Publication Publication Date Title
DE69515171T2 (de) Optisches telekommunikationsnetz
DE69519290D1 (de) Optisches telecommunicationsnetzwerk
IS1900B (is) Tenginet fyrir fjarskiptakerfi
FI980328A (fi) Optinen tietoliikenneverkko
DE69128133T2 (de) Fernmeldenetz
DE69520227T2 (de) Optisches netzwerk
FI934259A0 (fi) Tietoliikenneverkko
DE69608263D1 (de) Optisches netzwerk
DE69505797T2 (de) Faseroptischer teilnehmeranschluss
DE69323233T2 (de) Fernmeldenetz
DE69918805D1 (de) Optisches telekommunikationsnetzwerk
DE69834205D1 (de) Telekommunikationsnetz
FI953356A (fi) Tietoliikenneverkko
NO914147L (no) Telekommunikasjonsnett
DE69423130T2 (de) Telekommunikationsnetzwerk
FI972201A0 (fi) Viestiliikenneverkko
DE69519163T2 (de) Telekommunikationsnetzwerk
DE69732934D1 (de) Telekommunikationsnetzwerk
DE69704611T2 (de) Telekommunikationsnetzwerk
DE29813567U1 (de) Telekommunikationsnetzwerk
FI944075A (fi) Tietoliikenneverkko käsittäen yksinkertaistettuja solmuja
DE69414976D1 (de) Optisches lokales Netzwerk
EE03650B1 (et) Telekommunikatsioonivõrk
DE69730740D1 (de) Fernmeldenetze
DE69727227D1 (de) Telekommunikationsnetz

Legal Events

Date Code Title Description
8364 No opposition during term of opposition