D-Link 12-Port Gigabit Industrial PoE++ Smart Managed Switch with 4 x SFP Ports. Switch type: Managed, Switch layer: L2/L3. Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000), Basic switching RJ-45 Ethernet ports quantity: 8. MAC address table: 8000 entries, Switching capacity: 24 Gbit/s. Networking standards: IEEE 802.3af, IEEE 802.3at. DC input voltage: 48 - 55 V. Power over Ethernet (PoE). Form factor: DIN rail