D-Link's 10-port Third Generation Gigabit Smart PoE Switch is designed to provide small to medium businesses complete control over their network. In a 13" metal case with innovative fanless design, the switch incorporates a complete lineup of Layer 2 features, including Port Mirroring, Spanning Tree, Link Aggregation and IGMP Snooping. Network maintenance features include Loopback Detection and Cable Diagnostics. Eight of the 10 switch ports include Power over Ethernet (PoE), which gives administrators the ability to connect 802.3at pre-standard equipment such as 802.11n wireless Access Points, in parallel with standard 802.3af equipment. The PoE function is programmable, so you can cut your energy bill by switching the power off at certain times. The DGS-1210-10P features state-of-the-art security technologies including ACL filtering and 802.1X authentication. With D-Link Safeguard Engine, the switch remains available in the event of a virus outbreak. Furthermore, the DGS-1210-10P uses Auto Voice VLAN, ensuring higher priority for voice traffic. Quality of Service (QoS) and granular bandwidth control down to 64 kbps are also included. A characteristic of D-Link's web Smart Switches is their ease of use, via a simple web browser. Advanced users can also configure the switch via Telnet or SNMP package such as D-Link's D-View 6.0. D-Link's SmartConsole utility is also included for the joint management of several switches. The DGS-1210-10P is D-Link Green certified, for the energy savings that it provides without sacrificing operational performance or functionality.