Envision Peripherals manual Ntsc, NV3128 RS-422A Machine-Control Data Routing Switch

MOV	Abbreviation for Metal Oxide Varistors
MUX	Commonly used abbreviation for Multiplexer Board
Nm	Nanometer - metric measurement, refers to frequency
	of fiber optic spectrum
NTSC	National Television Systems Committee. The standard
	broadcastspecifications approved by the Federal
	Communications Commission (FCC) in 1953 for
	commercial color television in the U.S. Television
	signal is scanned in 525 lines
Oversampling	Digital sampling technique to increase digital sample
	rate
PAL	Phase Alternate Lines. European, Asian, and Australian
	color television standard. An improvement on the
	NTSC. Television signal is scanned in 625 lines
PROM	Programmable Read Only Memory
PWM	Abbreviation for Pulse Width Modulation
RAM	Abbreviation for Random Access Memory
S/N	Commonly used abbreviation for Signal to Noise ratio.
Simplex	Uni-directional
SMPTE	Society of Motion Picture and Television Engineers
ST type connector	A fiber optic connector
Stereo	A system of sound reproduction for two precisely
	phased channels of audio
Stereo pair	Left and right channels of stereo audio
STL	Studio Transmitter Link
Switcher	A device which performs simple or complex video
	transitions, i.e, cuts, dissolves, wipes, keys
Synchronization	The process whereby two machines are controlled by
	identical time bases
Take	A connection command given to a signal routing device
Timecode	Standard for encoding time in hours, minutes, seconds
	and frames of video
TTL	Transistor, Transistor Logic

NV3128 RS-422A Machine-Control Data Routing Switch G-4