The DGS-1210 series provides 48 10/100/1000 Mbps ports plus 4 SFP ports. D-Link Green technology to reduce energy consumption on DGS-1210 series such as shutting down a port, or turning off some LED indicators, or adjusting the power usage according to the Ethernet cable connected to it. The switch supports 802.1Q VLAN standard tagging to enhance network security & performance. The switch also supports 802.1p priority queues, enabling users to run bandwidth-sensitive applications such as streaming multimedia by prioritizing that traffic in network. These functions allow switch to work seamlessly with VLAN & 802.1p traffic in the network. Auto surveillance VLAN will automatically place the video traffic from pre-defined IP surveillance devices to an assigned VLAN with higher priority, so it can be separated from normal data traffic. Asymmetric VLAN is implemented in the switch for a more efficient use of shared resources, such as server or gateway devices