FI942466A - Realization of protection switching in a digital cross switcher - Google Patents

Realization of protection switching in a digital cross switcher Download PDF

Info

Publication number
FI942466A
FI942466A FI942466A FI942466A FI942466A FI 942466 A FI942466 A FI 942466A FI 942466 A FI942466 A FI 942466A FI 942466 A FI942466 A FI 942466A FI 942466 A FI942466 A FI 942466A
Authority
FI
Finland
Prior art keywords
switcher
realization
protection switching
digital cross
digital
Prior art date
Application number
FI942466A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI942466A0 (en
FI96469C (en
FI96469B (en
Inventor
Ove Strandberg
Sami Kaernae
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Priority to FI942466A priority Critical patent/FI96469C/en
Publication of FI942466A0 publication Critical patent/FI942466A0/en
Priority to AU25681/95A priority patent/AU2568195A/en
Priority to PCT/FI1995/000294 priority patent/WO1995033321A1/en
Publication of FI942466A publication Critical patent/FI942466A/en
Application granted granted Critical
Publication of FI96469B publication Critical patent/FI96469B/en
Publication of FI96469C publication Critical patent/FI96469C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • 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
    • H04J3/085—Intermediate station arrangements, e.g. for branching, for tapping-off for ring networks, e.g. SDH/SONET rings, self-healing rings, meashed SDH/SONET networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/06—Time-space-time switching
    • 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
    • H04J2203/0003—Switching fabrics, e.g. transport network, control network
    • H04J2203/0019—Multicast/broadcast capabilities
    • 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
    • H04J2203/0041—Star, e.g. cross-connect, concentrator, subscriber group equipment, remote electronics
    • 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)
  • Data Exchanges In Wide-Area Networks (AREA)
FI942466A 1994-05-26 1994-05-26 Realization of protection switching in a digital cross switcher FI96469C (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI942466A FI96469C (en) 1994-05-26 1994-05-26 Realization of protection switching in a digital cross switcher
AU25681/95A AU2568195A (en) 1994-05-26 1995-05-26 Securing of routing in a digital cross connect equipment
PCT/FI1995/000294 WO1995033321A1 (en) 1994-05-26 1995-05-26 Securing of routing in a digital cross connect equipment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI942466 1994-05-26
FI942466A FI96469C (en) 1994-05-26 1994-05-26 Realization of protection switching in a digital cross switcher

Publications (4)

Publication Number Publication Date
FI942466A0 FI942466A0 (en) 1994-05-26
FI942466A true FI942466A (en) 1995-11-27
FI96469B FI96469B (en) 1996-03-15
FI96469C FI96469C (en) 1996-06-25

Family

ID=8540782

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942466A FI96469C (en) 1994-05-26 1994-05-26 Realization of protection switching in a digital cross switcher

Country Status (3)

Country Link
AU (1) AU2568195A (en)
FI (1) FI96469C (en)
WO (1) WO1995033321A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19608621C2 (en) * 1996-03-06 1998-03-19 Nokia Telecommunications Oy Telecommunications network
CN101924959B (en) * 2009-06-11 2013-06-12 中兴通讯股份有限公司 Service adjusting method and device in phototiming digital system network

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0112425B1 (en) * 1982-12-28 1987-08-19 International Business Machines Corporation Tst switching network using a closed-loop connection
US5119368A (en) * 1990-04-10 1992-06-02 At&T Bell Laboratories High-speed time-division switching system
FI90707C (en) * 1992-04-24 1994-03-10 Nokia Telecommunications Oy Method of forming the coupling routes in a cross coupler

Also Published As

Publication number Publication date
WO1995033321A1 (en) 1995-12-07
FI942466A0 (en) 1994-05-26
FI96469C (en) 1996-06-25
FI96469B (en) 1996-03-15
AU2568195A (en) 1995-12-21

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Legal Events

Date Code Title Description
BB Publication of examined application