Noun
demultiplexer (plural demultiplexers)
(computing, electronics) A device or piece of software used to separate signals that were previously combined using a multiplexer.
A multiplexer is often used with a complementary demultiplexer on the receiving end. Source: Internet
An inverse multiplexer differs from a demultiplexer because the multiple output streams from the former stay inter-related, whereas those from the latter are unrelated. Source: Internet
Note that, as with multiplexers, links are often used in bi-directional pairs and, at either end of the link, an inverse multiplexer will be combined with its reverse (an inverse demultiplexer) and still be called an inverse MUX. Source: Internet
One use for multiplexers is cost saving by connecting a multiplexer and a demultiplexer together over a single channel (by connecting the multiplexer's single output to the demultiplexer's single input). Source: Internet
Because all the phone (and data) lines have been clumped together, none of them can be accessed except through a demultiplexer. Source: Internet
Often, a multiplexer and demultiplexer are combined together into a single piece of equipment, which is usually referred to simply as a "multiplexer". Source: Internet