A Multiplexer combines two input signals into one output signal. Colorado Video Multiplexers combine video signals using time-division multiplexing where the multiplexed video signal is a result of alternately switching between two video inputs. A demultiplexer separates the multiplexed signal by switching its single input to one of two outputs at appropriate alternating times. Systems that switch at 0.5 x horizontal line rate, field rate, or frame rate are each available.

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Video Multiplexer, Video Signal Multiplexer, Video Combiner, 2-Channel - Model 496-2C
Interframe video signal multiplexer, video combiner, 2-channel Model 496-2CF
Video Demultiplexer, Video Separator - 2-Channel Model 497-2C