GB0212500D0 - Optical protective switching modules - Google Patents

Optical protective switching modules

Info

Publication number
GB0212500D0
GB0212500D0 GB0212500A GB0212500A GB0212500D0 GB 0212500 D0 GB0212500 D0 GB 0212500D0 GB 0212500 A GB0212500 A GB 0212500A GB 0212500 A GB0212500 A GB 0212500A GB 0212500 D0 GB0212500 D0 GB 0212500D0
Authority
GB
United Kingdom
Prior art keywords
switching modules
protective switching
optical protective
optical
modules
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.)
Withdrawn
Application number
GB0212500A
Other versions
GB2389261A (en
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.)
Lumentum Technology UK Ltd
Original Assignee
Bookham Technology 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
Application filed by Bookham Technology PLC filed Critical Bookham Technology PLC
Priority to GB0212500A priority Critical patent/GB2389261A/en
Publication of GB0212500D0 publication Critical patent/GB0212500D0/en
Publication of GB2389261A publication Critical patent/GB2389261A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0297—Optical equipment protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0289—Optical multiplex section protection
    • H04J14/029—Dedicated protection at the optical multiplex section (1+1)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0289—Optical multiplex section protection
    • H04J14/0291—Shared protection at the optical multiplex section (1:1, n:m)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0293—Optical channel protection
    • H04J14/0294—Dedicated protection at the optical channel (1+1)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0293—Optical channel protection
    • H04J14/0295—Shared protection at the optical channel (1:1, n:m)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0286—WDM hierarchical architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0043—Fault tolerance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
GB0212500A 2002-05-30 2002-05-30 Optical protective switching modules Withdrawn GB2389261A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0212500A GB2389261A (en) 2002-05-30 2002-05-30 Optical protective switching modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0212500A GB2389261A (en) 2002-05-30 2002-05-30 Optical protective switching modules

Publications (2)

Publication Number Publication Date
GB0212500D0 true GB0212500D0 (en) 2002-07-10
GB2389261A GB2389261A (en) 2003-12-03

Family

ID=9937726

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0212500A Withdrawn GB2389261A (en) 2002-05-30 2002-05-30 Optical protective switching modules

Country Status (1)

Country Link
GB (1) GB2389261A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1814264A1 (en) * 2006-01-25 2007-08-01 BRITISH TELECOMMUNICATIONS public limited company Preventing loss of service resulting from damage to an end user's access connection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2752730B2 (en) * 1989-10-11 1998-05-18 日本電気 株式会社 Optical transmission line duplexer
DE4421305C2 (en) * 1994-06-17 2002-07-18 Siemens Ag Circuit arrangement for switching between the two fibers of a double optical fiber connection running between two nodes
US5889610A (en) * 1996-12-31 1999-03-30 Lucent Technologies Inc. Optical protection switching system
CA2295407A1 (en) * 1999-03-04 2000-09-04 Nortel Networks Corporation Simplified 1 + 1 optical protection
US6307653B1 (en) * 1999-03-24 2001-10-23 Tellium, Inc Optical matrix protection system
DE19946487A1 (en) * 1999-09-28 2001-05-10 Siemens Ag Optical protection module for optical network topologies
JP3740969B2 (en) * 2000-09-20 2006-02-01 Ｋｄｄｉ株式会社 Optical cross-connect device

Also Published As

Publication number Publication date
GB2389261A (en) 2003-12-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)