A device for accomplishing simultaneous transmission of two or more signals over a common transmission medium. A device or circuit that samples many data lines in a time-ordered sequence, one at a time, and puts all sampled data onto a single bus. A device which combines two or more separate signals for transmission through a single fiber. Optical multiplexers combine signals at different wavelengths. Electronic multiplexers combine signals electronically before they are converted into optical form. A device that allows selection of one of many input channels of analog data under computer control.
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