DE69220128D1 - Empfangssystem in einer synchrones Endstation - Google Patents

Empfangssystem in einer synchrones Endstation

Info

Publication number
DE69220128D1
DE69220128D1 DE69220128T DE69220128T DE69220128D1 DE 69220128 D1 DE69220128 D1 DE 69220128D1 DE 69220128 T DE69220128 T DE 69220128T DE 69220128 T DE69220128 T DE 69220128T DE 69220128 D1 DE69220128 D1 DE 69220128D1
Authority
DE
Germany
Prior art keywords
reception system
end station
synchronous end
synchronous
station
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
Application number
DE69220128T
Other languages
English (en)
Other versions
DE69220128T2 (de
Inventor
Hadano Satoru
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69220128D1 publication Critical patent/DE69220128D1/de
Publication of DE69220128T2 publication Critical patent/DE69220128T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605—Fixed allocated frame structures
    • H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0623—Synchronous multiplexing systems, e.g. synchronous digital hierarchy/synchronous optical network (SDH/SONET), synchronisation with a pointer process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements
    • 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
    • H04J2203/0046—User Network Interface
    • H04J2203/005—Terminal equipment, e.g. codecs, synch
    • 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
DE69220128T 1991-03-28 1992-03-27 Empfangssystem in einer synchrones Endstation Expired - Fee Related DE69220128T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10634291 1991-03-28

Publications (2)

Publication Number Publication Date
DE69220128D1 true DE69220128D1 (de) 1997-07-10
DE69220128T2 DE69220128T2 (de) 1997-09-18

Family

ID=14431159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69220128T Expired - Fee Related DE69220128T2 (de) 1991-03-28 1992-03-27 Empfangssystem in einer synchrones Endstation

Country Status (3)

Country Link
US (1) US5325354A (de)
EP (1) EP0506440B1 (de)
DE (1) DE69220128T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06261015A (ja) * 1993-01-11 1994-09-16 Mitsubishi Electric Corp フレーム位相同期装置及びフレーム位相同期方法及び時分割多重フレーム位相同期装置
JP3168487B2 (ja) * 1993-03-15 2001-05-21 富士通株式会社 同期確立チェック方法及び伝送装置
JP2933479B2 (ja) * 1993-12-16 1999-08-16 日本電気株式会社 デジタル信号伝送装置
JP3765899B2 (ja) * 1997-01-27 2006-04-12 富士通株式会社 伝送装置
DE19737359C2 (de) * 1997-08-27 1999-08-19 Siemens Ag Kommunikationseinrichtung für die Übertragung von Nachrichtensignalen
DE19832440A1 (de) * 1998-07-18 2000-01-20 Alcatel Sa Synchronisationsverfahren, primärer Referenztaktgenerator und Netzelement für ein synchrones digitales Nachrichtenübertragungsnetz
EP1294117A1 (de) * 2001-09-18 2003-03-19 Lucent Technologies Inc. Ein benutzerprogrammierbares Gatterfeld (FPGA) oder eine Anwendungsspezifische Halbleiterschaltung (ASIC) und zugehöriges Verfahren zu deren Betrieb
CN112332955B (zh) * 2021-01-06 2021-04-13 北京和利时系统工程有限公司 一种数据同步方法、系统和存储介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4601028A (en) * 1984-06-18 1986-07-15 Rockwell International Corporation Method of and apparatus for checking datapath failure in a communication muldem
FR2574237B1 (fr) * 1984-11-30 1992-05-22 Telecommunications Sa Systeme de commutation pour reseau de transmission numerique
JPH0710061B2 (ja) * 1986-06-25 1995-02-01 日本電気株式会社 多重分離回路
JP2874889B2 (ja) * 1989-04-14 1999-03-24 株式会社日立製作所 ポインタ変換によるフレーム位相同期方法およびその回路
GB9012436D0 (en) * 1990-06-04 1990-07-25 Plessey Telecomm Sdh rejustification
US5051979A (en) * 1990-06-28 1991-09-24 At&T Bell Laboratories Method and apparatus for errorless switching

Also Published As

Publication number Publication date
DE69220128T2 (de) 1997-09-18
EP0506440A2 (de) 1992-09-30
EP0506440B1 (de) 1997-06-04
US5325354A (en) 1994-06-28
EP0506440A3 (en) 1993-03-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee