AU689557B2 - Protection scheme for SDH add/drop multiplexer - Google Patents

Protection scheme for SDH add/drop multiplexer Download PDF

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Publication number
AU689557B2
AU689557B2 AU19019/95A AU1901995A AU689557B2 AU 689557 B2 AU689557 B2 AU 689557B2 AU 19019/95 A AU19019/95 A AU 19019/95A AU 1901995 A AU1901995 A AU 1901995A AU 689557 B2 AU689557 B2 AU 689557B2
Authority
AU
Australia
Prior art keywords
card
tributary
protection
faulty
cards
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.)
Ceased
Application number
AU19019/95A
Other languages
English (en)
Other versions
AU1901995A (en
Inventor
Andrew James Barker
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.)
GPT Ltd
Original Assignee
GPT Ltd
Plessey Telecommunications 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, Plessey Telecommunications Ltd filed Critical GPT Ltd
Publication of AU1901995A publication Critical patent/AU1901995A/en
Application granted granted Critical
Publication of AU689557B2 publication Critical patent/AU689557B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
AU19019/95A 1994-03-23 1995-03-21 Protection scheme for SDH add/drop multiplexer Ceased AU689557B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9405771 1994-03-23
GB9405771A GB9405771D0 (en) 1994-03-23 1994-03-23 Telecommunications system protection scheme
PCT/GB1995/000618 WO1995026084A1 (en) 1994-03-23 1995-03-21 Protection scheme for sdh add/drop multiplexer

Publications (2)

Publication Number Publication Date
AU1901995A AU1901995A (en) 1995-10-09
AU689557B2 true AU689557B2 (en) 1998-04-02

Family

ID=10752383

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19019/95A Ceased AU689557B2 (en) 1994-03-23 1995-03-21 Protection scheme for SDH add/drop multiplexer

Country Status (7)

Country Link
EP (1) EP0752178A1 (ja)
JP (1) JPH09510589A (ja)
CN (1) CN1146836A (ja)
AU (1) AU689557B2 (ja)
GB (2) GB9405771D0 (ja)
WO (1) WO1995026084A1 (ja)
ZA (1) ZA952347B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504521C2 (sv) * 1995-06-01 1997-02-24 Ericsson Telefon Ab L M Multiplexor, skyddskopplingsenhet, telekommunikationsnät samt förfarande vid multiplexering
SE504533C2 (sv) * 1995-06-01 1997-03-03 Ericsson Telefon Ab L M Demultiplexor, skyddsomkopplingsenhet, telekommunikationsnät samt förfarande vid demultiplexering
US6925052B1 (en) 1999-10-01 2005-08-02 Agilent Technologies, Inc. Multi-channel network monitoring apparatus, signal replicating device, and systems including such apparatus and devices, and enclosure for multi-processor equipment
GB2394849A (en) * 1999-10-01 2004-05-05 Agilent Technologies Inc Multi-channel replicating device for broadband optical signals, and systems including such devices
CN101136711B (zh) * 2007-09-29 2011-11-23 中兴通讯股份有限公司 Sdh系统中光口业务、时钟、交叉业务高集成单板业务平滑切换系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2266644A (en) * 1992-04-25 1993-11-03 Plessey Telecomm Overhead transmissions in a data communication system
GB9311106D0 (en) * 1993-05-28 1993-07-14 Plessey Telecomm Switch plane maintenance

Also Published As

Publication number Publication date
WO1995026084A1 (en) 1995-09-28
JPH09510589A (ja) 1997-10-21
GB9505559D0 (en) 1995-05-03
CN1146836A (zh) 1997-04-02
AU1901995A (en) 1995-10-09
EP0752178A1 (en) 1997-01-08
GB9405771D0 (en) 1994-05-11
GB2290432B (en) 1998-06-10
ZA952347B (en) 1995-12-15
GB2290432A (en) 1995-12-20

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired