DG-GS4628FSE and DG-CS4616F are L3 Gigabits intelligent switches. These switches support comprehensive QoS, enhanced VLAN functions (VLAN VPN, Voice VLAN, Q-in-Q, N:1 VLAN Translation etc), Ethernet Ring Protection Protocol (G.8032), classified bandwidth control, intelligent security control, OAM(Operations, Administration and Maintenance), manageability functions and Triple-Play services which fulfil the network requirements. Both DG-GS4628FSE and DG-CS4616F offer green features like IEEE 802.3az (Energy Efficient Ethernet), Fan-less design and Smart Fan feature, which can dramatically lower power consumption, achieve green energy and save the cost for the users.