Cisco DNCS System Release 2.8.1 3.8.1 4.3.1 User Guide

The first step in setting up elements that process program or service data is to add an MPEG content source. The
DBDS receives content (program and service information) through devices such as the following:

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IRTs

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MDRs

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RTEs

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IRDs

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Multiplexers

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VOD servers

These devices are called MPEG sources, because they receive content from satellites and convert it into MPEG
transport streams.

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