Cisco Cisco Digital Service Access Node (DSAN) 8211 安装指南
Chapter 8 Customer Information
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CATV
community antenna television or cable television system. A broadband
communications system capable of delivering multiple channels of programming
from a centralized set of antennas, generally by coaxial cable, to a community.
Many systems now integrate microwave and satellite links into their design.
communications system capable of delivering multiple channels of programming
from a centralized set of antennas, generally by coaxial cable, to a community.
Many systems now integrate microwave and satellite links into their design.
channel map
A logical element that links a service with a channel so that the service can be
viewed or used by the subscriber. For example, a channel map could link The
Golf Channel with channel 63 so that when subscribers tune to channel 63, they
view The Golf Channel.
viewed or used by the subscriber. For example, a channel map could link The
Golf Channel with channel 63 so that when subscribers tune to channel 63, they
view The Golf Channel.
CLI
command line interface. A command reference software that allows the user to
interact with the operating system by entering commands and optional
arguments.
interact with the operating system by entering commands and optional
arguments.
composite video signal
For color, this consists of blanking, field, and line synchronizing signals, color
synchronizing signals, plus chrominance and luminance picture information.
synchronizing signals, plus chrominance and luminance picture information.
CW
continuous wave.
DAVIC
Digital Audio/Video Council. An international group of approximately 250
companies developing an "end-to-end" standard for interactive digital media,
including interfaces and requirements for applications, systems, and networks.
The group includes members of the original MPEG Joint Technical Committee
(JTC).
companies developing an "end-to-end" standard for interactive digital media,
including interfaces and requirements for applications, systems, and networks.
The group includes members of the original MPEG Joint Technical Committee
(JTC).
dB
decibel. One tenth of a bel, the number of decibels denoting the ratio of two
amounts of power being ten times the common logarithm of this ratio.
amounts of power being ten times the common logarithm of this ratio.
dBm
decibels relative to 1 milliwatt.
dBmV
decibels relative to 1 millivolt.