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DE3678390D1 - Schalten von digitalen tdm-signalen. - Google Patents

Schalten von digitalen tdm-signalen.

Info

Publication number
DE3678390D1
DE3678390D1 DE8686308342T DE3678390T DE3678390D1 DE 3678390 D1 DE3678390 D1 DE 3678390D1 DE 8686308342 T DE8686308342 T DE 8686308342T DE 3678390 T DE3678390 T DE 3678390T DE 3678390 D1 DE3678390 D1 DE 3678390D1
Authority
DE
Germany
Prior art keywords
tdm signals
switching digital
digital tdm
switching
signals
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 - Lifetime
Application number
DE8686308342T
Other languages
English (en)
Inventor
Des Erfinders Beantragt Teilnichtnennung
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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
Priority claimed from CA000494466A external-priority patent/CA1252234A/en
Priority claimed from CA000505501A external-priority patent/CA1257675A/en
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Application granted granted Critical
Publication of DE3678390D1 publication Critical patent/DE3678390D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • 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
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • 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
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/08—Time only switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
DE8686308342T 1985-11-01 1986-10-27 Schalten von digitalen tdm-signalen. Expired - Lifetime DE3678390D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA000494466A CA1252234A (en) 1985-11-01 1985-11-01 Method of multiplexing digital signals
CA000505501A CA1257675A (en) 1986-04-01 1986-04-01 Switching tdm digital signals

Publications (1)

Publication Number Publication Date
DE3678390D1 true DE3678390D1 (de) 1991-05-02

Family

ID=25670822

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686308342T Expired - Lifetime DE3678390D1 (de) 1985-11-01 1986-10-27 Schalten von digitalen tdm-signalen.

Country Status (2)

Country Link
EP (1) EP0223443B1 (de)
DE (1) DE3678390D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8825434D0 (en) * 1988-10-31 1988-11-30 Stc Plc Transmission networks
US4987570A (en) * 1989-02-09 1991-01-22 Data General Corporation Methods and apparatus for performing time interleaved multiplexed rate adaptation for sub-rate channels in a digital data communication system
US4965798A (en) * 1989-02-09 1990-10-23 Data General Corporation Apparatus for flexibly allocating bandwidth for a point-to-point, serial, bidirectional communication path
US4965787A (en) * 1989-02-09 1990-10-23 Data General Corporation Methods and apparatus for multiplexing sub-rate channels in a digital data communication system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA501390A (en) 1954-04-13 Gottfried Louis Rocker attachment unit for chairs
BE790495A (fr) * 1971-10-26 1973-04-24 Philips Nv Reseau de telecommunication a structure en etoile
US4450557A (en) * 1981-11-09 1984-05-22 Northern Telecom Limited Switching network for use in a time division multiplex system
US4470139A (en) * 1981-12-28 1984-09-04 Northern Telecom Limited Switching network for use in a time division multiplex system
GB2115649A (en) * 1982-02-09 1983-09-07 British Telecomm Improvements in or relating to a telecommunications network

Also Published As

Publication number Publication date
EP0223443A2 (de) 1987-05-27
EP0223443A3 (en) 1989-05-31
EP0223443B1 (de) 1991-03-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition