Installing the Hardware 11Environmental ParametersAC Power RequirementsParameter S50N and S50N-DCSpecificationsS50V SpecificationsTemperature Operating: 32° to 122°F (0° to50°C)Non-operating (storagetemperature): -40° to 158°F (-40° to 70°C)Operating: 32° to 122°F (0° to50°C)Non-operating (storagetemperature): -40° to 158°F (-40° to 70°C)Maximum thermaloutputS50N: 531 BTU/HourS50N-DC: 465 BTU/HourS50V: 497 BTU/HourMaximum altitude No performance degradation to10,000 feet (3,048 meters)No performance degradation to10,000 feet (3,048 meters)Relative humidity 10 to 85% non-condensing 10 to 85% non-condensingShock Designed to meet MIL-STD-810Designed to meet MIL-STD-810Vibration Telcordia GR-63-CORE Telcordia GR-63-COREISO 7779 A-weightedsound pressure levelS50N: 42.0 dBA at 73.4°F(23°C)S50V: 62.2 dBA at 73.4°F(23°C)Parameter S50N and S50N-DCSpecificationsS50V SpecificationsNominal input voltage 100 to 240 VAC, 50/60Hz 100 to 240 VAC, 50/60HzMaximum currentdraw6.5 A @ 115 VAC3.25 A @ 200/240 VAC6.5 A @ 115 VAC3.25 A @ 200/240 VACMaximum powerconsumptionS50N: 156WS50N-DC: 136 WS50V: 146WMaximum PoE power 320W for PoE using either ACor DC inputs790W for PoE using load-sharing AC and DC inputs320W for PoE using either ACor DC inputs790W for PoE using load-sharing AC and DC inputs