House up to sixteen Media Converters and Ethernet Extenders (EIS series) Non-stop operation and minimal downtime Hot-swappable: Media Converters, Ethernet Extenders, and redundant power supply modules. Redundant 100 - 240VAC 50 - 60Hz Internal Universal PSU or 48VDC Power inputs, Power redundancy: The other redundant power supply module is capable of taking over immediately if one of the power supply modules fails Load sharing: Two internal power supply modules provided for load sharing purposes Power isolation: Media Converter and Ethernet Extender bay power isolation ensures each bay is electrically isolated from each otherOver current protection: Fuse on PCBA for each Media Converter and Ethernet Extender bay and power supply module0°C to 45°C (32°F to 113°F) operating temperature range Metal case, standard 19" rack-mount size, two-unit-height Supports Rack Mounting installation.