D-Link 30-Port Layer 3 Stackable Multi-Gigabit Managed PoE Switch. Switch type: Managed, Switch layer: L3. Basic switching RJ-45 Ethernet ports type: 2.5G Ethernet (100/1000/2500), Basic switching RJ-45 Ethernet ports quantity: 26, USB 2.0 ports quantity: 1, Console port: RJ-45. MAC address table: 32768 entries, Switching capacity: 400 Gbit/s. Networking standards: IEEE 802.1AX, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1ag, IEEE 802.1p, IEEE 802.1s, IEEE 802.1v, IEEE.... Power connector: AC-in jack. Power over Ethernet (PoE). Rack mounting