Add an un managed 20 slot media converter chassis to your rack or cabinet the etchs2u 20 slot 2u rack mount media converter chassis for et series 2 media converters lets you add an un managed 20 slot media converter chassis to your rack or cabinet to provide central power and cooling the media converter rack includes a single 200w power supply to centrally power all 20 slots with an additional slot to add a redundant power supply for maximum up time it also includes two cooling fans on