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CO4790201A1 - SYSTEM AND APPARATUS FOR GENERATION AND CONTROL OF THE TIMING SIGNAL - Google Patents

SYSTEM AND APPARATUS FOR GENERATION AND CONTROL OF THE TIMING SIGNAL

Info

Publication number
CO4790201A1
CO4790201A1 CO98046241A CO98046241A CO4790201A1 CO 4790201 A1 CO4790201 A1 CO 4790201A1 CO 98046241 A CO98046241 A CO 98046241A CO 98046241 A CO98046241 A CO 98046241A CO 4790201 A1 CO4790201 A1 CO 4790201A1
Authority
CO
Colombia
Prior art keywords
signal
circuit
synchronization signal
clock circuit
network
Prior art date
Application number
CO98046241A
Other languages
Spanish (es)
Inventor
John H Bond
David J Streett
W Doss Dwight
Original Assignee
Dsc Telecom Lp
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 Dsc Telecom Lp filed Critical Dsc Telecom Lp
Publication of CO4790201A1 publication Critical patent/CO4790201A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0691—Synchronisation in a TDM node

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Optical Communication System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

Un generador de sincronización para ser utilizado en un sistema decomunicaciones de datos CARACTERIZADO PORQUE comprende lo siguiente: Un circuito de reloj para la generación de una señal de sincronización local; un circuito de interfase de sincronización de red conectado con el circuito de reloj, dicho circuito de interfase de sincronización de red para recibir una señal de sincronización de red y para transmitir una señal de sincronización de red al circuito de reloj; el circuito reloj funciona para trasmitir la señal de sincronización local cuando el circuito de reloj y la señal de sincronización de red están sincronizados; y el circuito de salida de sincronización de conmutador conectado con el circuito de reloj, dicho circuito de salida de sincronización del conmutador para recibir la señal de sincronización local y para generar una señal de salida de sincronización del conmutador. 1Un sistema para generar una señal de sincronización para utilizarla en un sistema de telecomunicaciones de datos caracterizado porque comprende lo siguiente: una pluralidad de circuitos de aplicación, cada circuito de aplicación funciona para derivar una señal de sincronización desde una señal de datos de la red; por lo menos dos circuitos de control de bus redundantes conectados a circuitos de aplicación seleccionados, cada circuito de control de bus opera para recibir la señal de sincronización derivada del circuito de aplicación y para seleccionar una de las señales de sincronización derivadas como la señal de sincronización derivada principal;...A synchronization generator for use in a data communication system CHARACTERIZED BECAUSE it comprises the following: A clock circuit for generating a local synchronization signal; a network synchronization interface circuit connected to the clock circuit, said network synchronization interface circuit for receiving a network synchronization signal and for transmitting a network synchronization signal to the clock circuit; the clock circuit operates to transmit the local synchronization signal when the clock circuit and the network synchronization signal are synchronized; and the switch sync output circuit connected to the clock circuit, said switch sync output circuit to receive the local sync signal and to generate a sync output signal from the switch. 1 A system for generating a synchronization signal for use in a data telecommunications system characterized in that it comprises the following: a plurality of application circuits, each application circuit operates to derive a synchronization signal from a network data signal; At least two redundant bus control circuits connected to selected application circuits, each bus control circuit operates to receive the timing signal derived from the application circuit and to select one of the derived timing signals as the timing signal main derivative; ...

CO98046241A 1997-08-13 1998-08-12 SYSTEM AND APPARATUS FOR GENERATION AND CONTROL OF THE TIMING SIGNAL CO4790201A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91069897A 1997-08-13 1997-08-13

Publications (1)

Publication Number Publication Date
CO4790201A1 true CO4790201A1 (en) 1999-05-31

Family

ID=25429197

Family Applications (1)

Application Number Title Priority Date Filing Date
CO98046241A CO4790201A1 (en) 1997-08-13 1998-08-12 SYSTEM AND APPARATUS FOR GENERATION AND CONTROL OF THE TIMING SIGNAL

Country Status (5)

Country Link
AR (1) AR013943A1 (en)
AU (1) AU8679398A (en)
CO (1) CO4790201A1 (en)
PE (1) PE103299A1 (en)
WO (1) WO1999009687A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7170907B1 (en) 2002-02-15 2007-01-30 Marvell Semiconductor Israel Ltd. Dynamic alignment for data on a parallel bus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623042A1 (en) * 1987-11-09 1989-05-12 Js Telecommunications BASIC TIME CIRCUIT
FR2638591B1 (en) * 1988-11-03 1990-11-30 Telephonie Ind Commerciale SYNCHRONIZATION ARRANGEMENT FOR A PRIVATE DIGITAL AUTOMATIC SWITCH CONNECTED TO AN ISDN NETWORK
US5577075A (en) * 1991-09-26 1996-11-19 Ipc Information Systems, Inc. Distributed clocking system
US5436890A (en) * 1993-12-30 1995-07-25 Dsc Communications Corporation Integrated multi-rate cross-connect system
SE506739C2 (en) * 1995-09-29 1998-02-09 Ericsson Telefon Ab L M Operation and maintenance of clock distribution networks with redundancy

Also Published As

Publication number Publication date
WO1999009687A1 (en) 1999-02-25
AU8679398A (en) 1999-03-08
PE103299A1 (en) 1999-10-24
AR013943A1 (en) 2001-01-31

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