This is a Layer 2+ managed Gigabit PoE Switch that features PLANET™ intelligent PoE functions to improve the availability of critical business applications. The series provides IPv6/IPv4 management and built-in L2/L4 Gigabit Switching engine along with 24 10/100/1000BASE-T ports featuring 30-watt 802.3at Power over Ethernet plus (PoE+) and 4 Gigabit SFP slots. With a total power budget up to 220W for different kinds of PoE applications, the series provides quick, safe and cost-effective Power over Ethernet network solutions to security IP surveillance for small businesses and enterprises.