The FMC-CH17 is a 2U high 19" 17 slots chassis and the FMC-CH08 is a 2U high 10" 8 slots cassis. The FMC chassis provides aneconomic solution in low density fiber converter installations where no management features are required. Each FMC orVDTU2A-301 converter is an independent Ethernet to fiber or Ethernet to copper media converter that may be used as a standaloneconverter or placed in the FMC-CH17 or FMC-CH08 chassis. With two power supplies, the FMC-CH17 chassis supportsredundant power from any of two power options while FMC-CH08 supports single power options. The AC supplies operatefrom (100-240VAC) and DC supplies operate from 18-60VDC. The built in cooling fan ensures that the temperatures in the rackremain within the tolerated working range.