DK0749663T3 - Telekommunikationsomskifter med forbedret redundans - Google Patents

Telekommunikationsomskifter med forbedret redundans

Info

Publication number
DK0749663T3
DK0749663T3 DK95911122T DK95911122T DK0749663T3 DK 0749663 T3 DK0749663 T3 DK 0749663T3 DK 95911122 T DK95911122 T DK 95911122T DK 95911122 T DK95911122 T DK 95911122T DK 0749663 T3 DK0749663 T3 DK 0749663T3
Authority
DK
Denmark
Prior art keywords
standby
card
line
cards
line card
Prior art date
Application number
DK95911122T
Other languages
Danish (da)
English (en)
Inventor
Robert P Madonna
Siegmar K Eschholz
John T Lynch
Original Assignee
Excel Switching Corp
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 Excel Switching Corp filed Critical Excel Switching Corp
Application granted granted Critical
Publication of DK0749663T3 publication Critical patent/DK0749663T3/da

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
    • 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
    • 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
    • H04Q11/0414—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange
    • 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
    • H04J3/16—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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2201/00—Constructional details of selecting arrangements
    • H04Q2201/12—Printed circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13003—Constructional details of switching devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13031—Pulse code modulation, PCM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1308—Power supply
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13106—Microprocessor, CPU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13107—Control equipment for a part of the connection, distributed control, co-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292—Time division multiplexing, TDM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13299—Bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13396—Signaling in general, in-band signalling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Radio Relay Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Electronic Switches (AREA)
DK95911122T 1994-03-08 1995-02-28 Telekommunikationsomskifter med forbedret redundans DK0749663T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US20792194A 1994-03-08 1994-03-08
PCT/US1995/002451 WO1995024803A1 (en) 1994-03-08 1995-02-28 Telecommunications switch with improved redundancy

Publications (1)

Publication Number Publication Date
DK0749663T3 true DK0749663T3 (da) 2000-03-20

Family

ID=22772519

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95911122T DK0749663T3 (da) 1994-03-08 1995-02-28 Telekommunikationsomskifter med forbedret redundans

Country Status (11)

Country Link
US (1) US5596569A (pt)
EP (1) EP0749663B1 (pt)
JP (1) JP2986216B2 (pt)
AT (1) ATE187294T1 (pt)
AU (1) AU1883995A (pt)
DE (1) DE69513643T2 (pt)
DK (1) DK0749663T3 (pt)
ES (1) ES2141340T3 (pt)
GR (1) GR3032226T3 (pt)
PT (1) PT749663E (pt)
WO (1) WO1995024803A1 (pt)

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Also Published As

Publication number Publication date
JPH09505189A (ja) 1997-05-20
GR3032226T3 (en) 2000-04-27
EP0749663A1 (en) 1996-12-27
WO1995024803A1 (en) 1995-09-14
US5596569A (en) 1997-01-21
ES2141340T3 (es) 2000-03-16
ATE187294T1 (de) 1999-12-15
EP0749663B1 (en) 1999-12-01
PT749663E (pt) 2000-04-28
JP2986216B2 (ja) 1999-12-06
AU1883995A (en) 1995-09-25
DE69513643T2 (de) 2000-06-15
DE69513643D1 (de) 2000-01-05

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