DGS-3120-48PC/EI - D-Link 44-Port 32MB 10/100/1000(PoE) Layer-3 Managed Stackable Gigabit Ethernet Switch with 4 Combo SFP Ports

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.