Cisco Cisco Explorer Set-top Software Version 2.1 사용자 가이드
Glossary
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DHCT
Digital Home Communications Terminal. Our digital set-top that is two-way capable for
interactive services. See also Explorer.
DIS
Digital interface service.
DMA
Direct memory access.
DMS
Digital multiplex systems.
DNCS
Digital Network Control System. A computer server that monitors and controls the DBDS
network elements; located at the DBDS headend or at a remote site.
DOCSIS
Data over cable service interface specification. This specification defines interface
requirements for cable modems involved in high-speed data distribution over cable television
system networks. This standard was developed by CableLabs in North America and
approved by the International Telecommunication Union (ITU).
downstream
The digital transmission path from the server (headend) to the subscriber.
DRAM
Dynamic random access memory.
DVB
Short for Digital Video Broadcasting Project (DVB), DVB is an industry-led consortium of
more than 260 broadcasters, manufacturers, network operators, and regulatory bodies and
others in over 35 countries committed to designing global standards for the global delivery of
digital television and data services.
DVB is also the name used to describe the various European systems for television, radio and
data broadcasting in all areas of the world outside of North America.