GB2260876B - Cross connect switch - Google Patents

Cross connect switch

Info

Publication number
GB2260876B
GB2260876B GB9122570A GB9122570A GB2260876B GB 2260876 B GB2260876 B GB 2260876B GB 9122570 A GB9122570 A GB 9122570A GB 9122570 A GB9122570 A GB 9122570A GB 2260876 B GB2260876 B GB 2260876B
Authority
GB
United Kingdom
Prior art keywords
cross connect
connect switch
switch
cross
connect
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
GB9122570A
Other versions
GB2260876A (en
GB9122570D0 (en
Inventor
Richard William Hill
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
Application filed by Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to GB9122570A priority Critical patent/GB2260876B/en
Publication of GB9122570D0 publication Critical patent/GB9122570D0/en
Publication of GB2260876A publication Critical patent/GB2260876A/en
Application granted granted Critical
Publication of GB2260876B publication Critical patent/GB2260876B/en
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
    • H04J3/1623—Plesiochronous digital hierarchy [PDH]
    • H04J3/1641—Hierarchical systems
    • 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
    • H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
GB9122570A 1991-10-24 1991-10-24 Cross connect switch Expired - Fee Related GB2260876B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9122570A GB2260876B (en) 1991-10-24 1991-10-24 Cross connect switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9122570A GB2260876B (en) 1991-10-24 1991-10-24 Cross connect switch

Publications (3)

Publication Number Publication Date
GB9122570D0 GB9122570D0 (en) 1991-12-04
GB2260876A GB2260876A (en) 1993-04-28
GB2260876B true GB2260876B (en) 1995-05-31

Family

ID=10703456

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9122570A Expired - Fee Related GB2260876B (en) 1991-10-24 1991-10-24 Cross connect switch

Country Status (1)

Country Link
GB (1) GB2260876B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2784080B2 (en) 1990-05-09 1998-08-06 富士通株式会社 Ring network, fault recovery method therefor, and node used in ring network
GB2326305A (en) * 1997-06-13 1998-12-16 Schlumberger Ind Ltd Local exchange testing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB922798A (en) * 1960-04-27 1963-04-03 Western Electric Co Improvements in or relating to time division communication systems
GB2063620A (en) * 1979-08-10 1981-06-03 Plessey Co Ltd Channel zero switching arrangements for digital telecommunication exchanges

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB922798A (en) * 1960-04-27 1963-04-03 Western Electric Co Improvements in or relating to time division communication systems
GB2063620A (en) * 1979-08-10 1981-06-03 Plessey Co Ltd Channel zero switching arrangements for digital telecommunication exchanges

Also Published As

Publication number Publication date
GB2260876A (en) 1993-04-28
GB9122570D0 (en) 1991-12-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051024