JetStream™ 24-Port Gigabit PoE+ L2 Managed Switch, 24 gigabit RJ45 ports including 4 SFP ports, 802.3at/af, 384W PoE power supply, Static Routing, Port/Tag/MAC/Voice/Protocol-Based VLAN, Q-in-Q (Double VLAN), Port Isolation, STP/RSTP/MSTP, IGMP V1/V2/V3 S