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  • I.S. EN 50494:2007

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    SATELLITE SIGNAL DISTRIBUTION OVER A SINGLE COAXIAL CABLE IN SINGLE DWELLING INSTALLATIONS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  National Standards Authority of Ireland

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    Table of Contents - (Show below) - (Hide below)

    Introduction
    1 Scope
    2 Normative references
    3 Acronyms and definitions
       3.1 Acronyms
       3.2 Definitions
    4 System architecture
    5 SCIF control signals
       5.1 DC levels
       5.2 Method of the data bit signalling
       5.3 Structure of the DiSEqC message in the single
           coaxial cable system
    6 Structure and format of the DiSEqC messages
       6.1 DiSEqC addresses
       6.2 Normal operation
           6.2.1 ODU_Channel_change
           6.2.2 ODU_PowerOFF
       6.3 Special modes
           6.3.1 Installation, SCIF parameters recognition
           6.3.2 ODU_UBxSignal_ON
           6.3.3 ODU_Config
           6.3.4 ODU_LoFreq
    7 Look-up tables and conventions
       7.1 UB slots numbering
       7.2 Input banks numbering
       7.3 Config_Nb table
       7.4 LoFreq table
    8 Traffic collision management rules
    9 Optional extension of the single cable distribution to
       the multi-dwelling installations
       9.1 Extension for multi-dwelling installations
       9.2 Extensions for structure and format of the DiSEqC
           messages
       9.3 Specific commands for installation
       9.4 Installation with manual entry of the system parameters,
           PIN code handling
       9.5 SDU and MDU compatibility rules
    Annex A (informative) - Implementation guidelines
       A.1 Installation impedance
       A.2 Installation: signal reflection and returned loss
       A.3 Power supply of the SCIF
       A.4 Tuning word calculation, software recommendations
       A.5 RF scanning, RF tone recognition, SCIF parameter
           recognition

    Abstract - (Show below) - (Hide below)

    Explains: - the system physical structure; - the system control signals, which implement an extension of the DiSEqC set of commands described in the DiSEqC bus functional specification; - the definition of identified configurations; - management of the potential collisions in the control signals traffic.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 50083-4 : 98 COR 1999 CABLE NETWORKS FOR TELEVISION SIGNALS, SOUND SIGNALS AND INTERACTIVE SERVICES - PART 4: PASSIVE WIDEBAND EQUIPMENT FOR COAXIAL CABLE NETWORKS
    EN 61319-1:1996/A11:1999 INTERCONNECTIONS OF SATELLITE RECEIVING EQUIPMENT - PART 1: EUROPE
    ISO/IEC 13818-1:2015 Information technology Generic coding of moving pictures and associated audio information Part 1: Systems
    IEC 61319-1:1995 Interconnections of satellite receiving equipment - Part 1: Europe
    EN ISO/IEC 13818-1 : 1997 INFORMATION TECHNOLOGY - GENERIC CODING OF MOVING PICTURES AND ASSOCIATED AUDIO INFORMATION - SYSTEMS
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