What Does Concentrator Mean?

A concentrator aggregates and forwards data packets within a system. A concentrator may also administrate various dial-up internet calls and function as a network router. In general, the term “concentrator” is used for either of these essential tasks.

Techopedia Explains Concentrator

Some IT professionals may use the term “network concentrator” to talk about a system that takes in buffered packets and puts them into a single queue. The concentrator may take packets from FIFO buffers and put them in a position for linear handling.