Standard and Enhanced ImagesThe DGS-3120 Series is embedded with two different software images - Standard Image (SI) and Enhanced Image (EI). The Standard Image provides sophisticated features for businesses. It includes advanced Quality of Service (QoS), traffic shaping, L2 multicasting and robust security features. The Enhanced Image supports ERPS, Double VLAN (Q-in-Q), Ethernet OAM, Static Route, IMPB, sFlow, IPv6 features which are suitable for the next generation IPv6 networks or triple play. Effectively increases available bandwidth on your network With PoE+ Port, transfer data and up to 25.5 W of power on a single cable toplaces where a power outlet is not present Create your own LAN and connect your PC, laptop, printer and other peripherals with the help of 48 ports Layer 2 switch provides a complete lineup of features including IGMP snooping, port mirroring, and spanning tree The desktop installation makes it ideal for deployments outside the wiring closet Gigabit Ethernet port for ultra-fast network speeds Supports cost-efficient twisted pair cables for high-speed data transfer up to 100 meters Comes in black color for better adaption to the space