Cisco Model D-PCG1000 PowerKEY CAS Gateway User Guide
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Glossary
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Channel
A signal space of a specified bandwidth. The 6 MHz band space used for the video, audio,
and game data carriers. Also used to identify the service provided on a particular channel.
Channel Map
A set of channels that specific subscribers are authorized to receive through their DHCTs.
Channel Mapping
Placing an available television channel signal to appear at any desired channel marking on a
customer’s HCT.
Comment out
To add a # (pound sign) to the beginning of a line in a UNIX file. UNIX Servers ignore any
lines within a file that begins with a #.
copy-protected content
Video and/or audio content that is coded to prevent it from being copied by recording
devices, such as digital video recorders or personal computers.
CRL
Certification Revocation List. A list of host devices that are not authorized to duplicate copy-
protected content.
D
data carousel
See carousel.
data pump
See carousel.
DBDS
Digital Broadband Delivery System. The entire network architecture of our digital system that
ultimately provides signal to and from a subscriber’s DHCT. The DBDS consists of five areas:
sources, headend, transport network, hub, and access network.
demodulator
Receives information such as billing and performance monitoring data in a reverse path from
the DHCT and returns it to the DNCS for processing.