Key Features. Highspeed, longdistance data transfer in a single, streamlined solutionSFP uplink securely transmit lightningfast data over longer distances4 PoE capable ports fully compliant to IEEE 802.3af/atHigh PoE power budget efficiently deliver power to connected devicesEmbedded industrial design operating temp 40C to 70C / 40F to 158FRedundant dual power inputs 44V to 57V DC enhances system reliabilitySmart LED indicators realtime status information, quick visual monitoringSpecifications. Port Industrial SFP 4 Port PoE Gigabit. Weight 0.5 lbs