S> A device that combineS the data StreamS from many SimultaneouSly active inputS into one Shared channel in Such a way that the StreamS can be Separated after tranSmiSSion. The concentrator' S output bandwidth muSt be at leaSt aS great aS the total bandwidth of all SimultaneouSly active inputS. A concentrator iS one kind of multiplexing device. For example, a concentrator may be uSed to connect 24 2400 bpS TTYS to a hoSt via a 57600 bpS channel. (2000-03-01)