International Standard
ISO/IEC 16500-4:1999
Information technology — Generic digital audio-visual systems — Part 4: Lower-layer protocols and physical interfaces
Reference number
ISO/IEC 16500-4:1999
Edición 1
International Standard
Vista previa
ISO/IEC 16500-4:1999
No disponible en español
Publicado (Edición 1, 1999)
Esta norma se revisó y confirmó por última vez en 2021. Por lo tanto, esta versión es la actual.

ISO/IEC 16500-4:1999

ISO/IEC 16500-4:1999
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This part of ISO/IEC 16500 provides a toolbox consisting of lower layer protocols and physical interfaces. Each

tool is applicable at one or more of the reference points within the delivery system. The physical delivery media

that have been identified for this version of ISO/IEC 16500-4 are copper pairs, coaxial cable, microwave, fiber

and satellite. Removable information carrying physical media (e.g. optical discs and tapes) are not covered. The

tools listed address the three parts of the delivery system, namely, the core network, the access network and the

access-network-independent interface to the Set Top Unit (STU). Tools are also identified for the STU dataport

interface and for a service provider system (SPS) internal network and an SPS/SPS core network.

Clause 6 specifies in detail the tools provided to digitize the physical media in the core network. In the case of a

broadband core network, all these tools support high speed ATM transport. Clause 7 specifies in detail the tools

provided to digitize the physical media in the access network (copper pairs, coax, satellite, microwave, fiber). All

these tools support high speed MPEG-2-TS transport and/or high speed ATM transport. Clause 8 concerns the

access-network-independent interface to the STU and provides a detailed specification of the physical interfaces

between the network interface unit (NIU) and the STU. This physical interface can be internal or external to the

Set Top Box (STB) and is independent from the physical interface used in the access network. It supports the

transport of MPEG-2-TS and ATM between NIU and STU. Clause 9 concerns the STU dataport interface and

specifies the physical interfaces used to connect an STB to various peripheral devices. It defines normative STU

multimedia dataport tools and interfaces and also includes informative specifications for both PC and parallel

dataports. These interfaces support the transport of MPEG-2-TS or IP. Clause 10 defines the physical interfaces

for interconnections between cascaded SPS entities with or without an intervening core network and the physical

interfaces for networks used to connect various hosts within an SPS.

Informaciones generales

  •  : Publicado
     : 1999-12
    : Norma Internacional confirmada [90.93]
  •  : 1
     : 243
  • ISO/IEC JTC 1/SC 29
  • RSS actualizaciones

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