NO975609D0 - Synkronisering i et SDH-nett - Google Patents

Synkronisering i et SDH-nett

Info

Publication number
NO975609D0
NO975609D0 NO975609A NO975609A NO975609D0 NO 975609 D0 NO975609 D0 NO 975609D0 NO 975609 A NO975609 A NO 975609A NO 975609 A NO975609 A NO 975609A NO 975609 D0 NO975609 D0 NO 975609D0
Authority
NO
Norway
Prior art keywords
synchronization
sdh network
sdh
network
Prior art date
Application number
NO975609A
Other languages
English (en)
Other versions
NO975609L (no
Inventor
Steven Taylor Chapman
Original Assignee
Gpt Ltd
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 Gpt Ltd filed Critical Gpt Ltd
Publication of NO975609D0 publication Critical patent/NO975609D0/no
Publication of NO975609L publication Critical patent/NO975609L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0647—Synchronisation among TDM nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0679—Clock or time synchronisation in a network by determining clock distribution path in a network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0028—Local loop
    • H04J2203/0039—Topology
    • H04J2203/0042—Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/006—Fault tolerance and recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0644—External master-clock

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
NO975609A 1995-06-06 1997-12-04 Synkronisering i et SDH-nett NO975609L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9511426A GB2301991B (en) 1995-06-06 1995-06-06 SDH Network
PCT/GB1996/001300 WO1996039760A1 (en) 1995-06-06 1996-05-31 Synchronisation in an sdh network

Publications (2)

Publication Number Publication Date
NO975609D0 true NO975609D0 (no) 1997-12-04
NO975609L NO975609L (no) 1998-02-06

Family

ID=10775600

Family Applications (1)

Application Number Title Priority Date Filing Date
NO975609A NO975609L (no) 1995-06-06 1997-12-04 Synkronisering i et SDH-nett

Country Status (12)

Country Link
US (1) US6185216B1 (no)
EP (1) EP0832524B1 (no)
JP (1) JP3814296B2 (no)
CN (1) CN1082288C (no)
AU (1) AU710681B2 (no)
DE (1) DE69617012T2 (no)
ES (1) ES2166891T3 (no)
GB (1) GB2301991B (no)
NO (1) NO975609L (no)
RU (1) RU2176434C2 (no)
UA (1) UA45401C2 (no)
WO (1) WO1996039760A1 (no)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI104665B (fi) * 1996-09-30 2000-04-14 Nokia Networks Oy Hierarkkinen synkronointimenetelmä
FI104593B (fi) * 1996-09-30 2000-02-29 Nokia Networks Oy Hierarkkinen synkronointimenetelmä
FI103307B1 (fi) 1997-02-11 1999-05-31 Nokia Telecommunications Oy Tietoliikenneverkon synkronointi
GB9716195D0 (en) 1997-07-31 1997-10-08 Plessey Telecomm MA alternate routeing
JPH11122278A (ja) * 1997-10-15 1999-04-30 Nec Corp 網同期ネットワークシステム及びこれに用いる送受信装置
DE19832440A1 (de) * 1998-07-18 2000-01-20 Alcatel Sa Synchronisationsverfahren, primärer Referenztaktgenerator und Netzelement für ein synchrones digitales Nachrichtenübertragungsnetz
GB2341749A (en) * 1998-09-19 2000-03-22 Nokia Telecommunications Oy Digital network synchronisation
JP3761732B2 (ja) * 1999-01-19 2006-03-29 富士通株式会社 ネットワーク同期制御装置
JP3485250B2 (ja) * 1999-02-17 2004-01-13 富士通株式会社 従属同期装置及び該従属同期装置を有するｓｄｈ装置
JP3835945B2 (ja) * 1999-02-19 2006-10-18 富士通株式会社 ディジタルデータの伝送網におけるシステムクロック再生方法および装置
US6714563B1 (en) * 1999-04-26 2004-03-30 Cisco Technology, Inc. Network clock synchronization scheme
US6606362B1 (en) * 1999-06-29 2003-08-12 Nortel Networks Limited Synchronization in a telecommunications network
GB2355898B (en) * 1999-10-26 2002-07-03 Marconi Comm Ltd Communications system
DE19959815A1 (de) * 1999-12-11 2001-06-21 Alcatel Sa Synchrones digitales Nachrichtenübertragungssystem
GB9930132D0 (en) 1999-12-22 2000-02-09 Ericsson Telefon Ab L M Telecommunication network synchronisation
DE10163480A1 (de) * 2001-12-21 2003-07-17 Siemens Ag Taktsynchronisationsverfahren in einem Kommunikationsnetzwerk
MXPA04011144A (es) * 2002-05-10 2005-08-16 Johnson & Johnson Metodos para hacer un dispositivo medico que tiene una membrana tubular de pared delgada sobre un armazon estructural.
ES2439874T3 (es) * 2002-05-29 2014-01-27 Regeneron Pharmaceuticals, Inc. Sistema de expresión en eucariotas inducible
CN100369426C (zh) * 2002-11-22 2008-02-13 中兴通讯股份有限公司 在同步数字传送网中判断时钟源成环的方法
GB2421671A (en) 2004-12-22 2006-06-28 Marconi Comm Gmbh A node selects a source of timing information using network topology and the timing status of network nodes
GB0428364D0 (en) * 2004-12-24 2005-02-02 Ibm Identifying a processor in a multiprocessor system
FR2903830B1 (fr) * 2006-07-11 2008-08-22 Alcatel Sa Procede et dispositif de surveillance des chemins optiques de connexion pour un reseau optique transparent
FR2903829B1 (fr) * 2006-07-11 2008-08-22 Alcatel Sa Procede et dispositif de surveillance des chemins optiques de connexion pour un reseau optique transparent
US7864747B2 (en) * 2008-03-28 2011-01-04 Embarq Holdings Company, Llc System and method for communicating timing to a remote node
CN102368696B (zh) * 2011-09-14 2014-07-30 杭州华三通信技术有限公司 一种选择同步时钟源的方法及装置
CN107453833A (zh) * 2012-09-28 2017-12-08 华为技术有限公司 时钟同步方法、系统及设备
CN107251457B (zh) * 2016-01-19 2019-08-27 华为技术有限公司 传输时钟报文的方法和装置
EP3703241B1 (en) 2019-02-26 2022-07-13 Hitachi Energy Switzerland AG Communication in a converter device
CN114389734A (zh) * 2020-10-21 2022-04-22 南京中兴新软件有限责任公司 时间同步的方法、第一节点、第二节点、网络

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142069A (en) * 1977-06-20 1979-02-27 The United States Of America As Represented By The Secretary Of The Army Time reference distribution technique
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
US5355362A (en) * 1992-10-26 1994-10-11 Nec America, Inc. Digital loop carrier system
FI91689C (fi) * 1992-11-09 1994-07-25 Nokia Telecommunications Oy Hierarkkinen synkronointimenetelmä sekä sanomapohjaista synkronointia käyttävä tietoliikennejärjestelmä
JPH0795677A (ja) * 1993-09-20 1995-04-07 Fujitsu Ltd シェルフ間の同期用情報と同期クロックの受渡し方法
US5473640A (en) * 1994-01-21 1995-12-05 At&T Corp. Phase-lock loop initialized by a calibrated oscillator-control value

Also Published As

Publication number Publication date
NO975609L (no) 1998-02-06
RU2176434C2 (ru) 2001-11-27
DE69617012D1 (de) 2001-12-20
AU710681B2 (en) 1999-09-30
US6185216B1 (en) 2001-02-06
WO1996039760A1 (en) 1996-12-12
GB9511426D0 (en) 1995-08-02
GB2301991B (en) 1999-06-30
UA45401C2 (uk) 2002-04-15
ES2166891T3 (es) 2002-05-01
GB2301991A (en) 1996-12-18
AU5840896A (en) 1996-12-24
DE69617012T2 (de) 2002-06-06
JPH11506591A (ja) 1999-06-08
JP3814296B2 (ja) 2006-08-23
EP0832524A1 (en) 1998-04-01
CN1187272A (zh) 1998-07-08
EP0832524B1 (en) 2001-11-14
CN1082288C (zh) 2002-04-03

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Legal Events

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