Glossary
B-4
CodeRunner 2
Operator’s Guide/Tech Ref Manual
Site ID
A physical location where any number of modems,
transmitters, or receivers are installed.
SMPTE
Society of Motion Picture and Television Engineers
SNR
Signal-to-Noise Ratio
STDBY
Standby.
Subcarrier
An electromagnetic signal that is used as a medium
for placing an information channel above another
information channel.
S-Video
Video signal in which the chrominance (color) and
luminance (brightness) information are separated
into separate subcarrier signals. Also called Y/C
Video. Composite Video combines them into one
signal.
SYNTH
Synthesizer
T1
1.544 Mbps traffic rate.
Tx
Transmitter.
VCO
Voltage Controlled Oscillator.
VCXO
Voltage Controlled Crystal Oscillator.
VDC
Volts Direct Current.
VF
Voice Frequency.
Video
A term pertaining to the bandwidth and spectrum of
the signal that results from television scanning and
which is used to reproduce a picture.
Xmitr
Transmitter.
Xmtr
Transmitter.
Y/C
Video signal in which the chrominance (color) and
luminance (brightness) information are separated
into separate subcarrier signals. Also called S-Video.
Composite Video combines them into one signal.
Table B-1: Useful Terms (Continued)
