This switch is an unmanaged full Gigabit Ethernet hardened PoE++ switch that complies with IEEE 802.3 bt, IEEE 802.3 at and IEEE 802.3 af. The switch has (4) 10/100/1000Base-T PoE++ ports, (1) 10/100/1000Base-T port with (1) 100/1000 dual speed SFP slot. It can deliver up to 90 Watts on each PoE++ port simultaneously and also supports Power over HDBaseT (PoH) mode (95 Watts) when enabled by DIP switch. The SISTP1040-551-LRT can be used to power PoE lighting, high powered IP cameras and digital signage. It has redundant input power connections to ensure safe reliable operation in temperatures between -40°C and +75°C.