Glossary
© 2013 Harmonic Inc.
373
Ellipse 3000 r.3.0, Rev. B
CIFS
Common Internet File System.
circuit
For NMX Digital Service Manager, an
that carries audio, video, or data. Each
circuit is assigned a unique
.
closed captioning
The process of encoding, transmitting, decoding, and displaying program-related text
typically on the lower part of a monitor or television during broadcast. See
standards.
CMTS
Cable Modem Termination System. Defined by CableLabs DOCSIS Base Specifications.
CO
Central Office.
color burst
The portion of the analog composite video waveform that sits between the horizontal sync
and the start of active video. The color burst tells the monitor how to decode the color
information contained in that line of active video.
companion key
Refers to a use of the keypad that is found on some Harmonic products. When using key
combinations such as Shift +
v
, each of the two keys is a companion to the other.
component
A portion of a signal or system.
concealment motion vectors
Provide a functionality similar to the dropout compensator in a video tape recorder.
Concealed vectors aid in error recovery but consume some of the available bandwidth and
might not be supported by some decoders.
conditional access
See
.
Configuring
Defining the parameters of platform, input and output ports.
convolutional code
See
.
Copper Cable
A slang term for an electrical (as opposed to optical) cable interface. Copper cables are
typically coaxial or twisted wire, but other physical variants may be found.