The DGS-3620 Series of next generation Layer 3 Gigabit switches deliver performance, flexibility, security, multi-layer Qo S & access control, along with redundant power solutions for SMBs & enterprises. With high Gigabit port densities, Gigabit SFP & 10-Gigabit SFP+ support, & advanced software solutions, these switches can act as either departmental access layer devices or core switches to form a multilevel network structured with backbone & centralized high-speed servers. Service providers can take advantage of the high SFP density switches to structure the cores of Fibre to the Building (FTTB) networks that they extend to the subscribers sites. The DGS-3620 Series is embedded with two different software images, the Standard Image (SI) & the Enhanced Image (EI). The Standard Image provides fundamental features for campuses & enterprises such as switching, routing, multicasting, advanced Quality of Service (Qo S), & robust security features.