Hikvision DS-3E1510P-SI 8 Port Gigabit Smart POE Switch, 8 Gigabit PoE Ports, 2 Gigabit fiber optical ports, full duplex, MDI/MDI-X adaptive, Store-and-Forward switching, 8K MAC Address Table, 20Gbps Switching Capacity, 14.88 Mpps Packet Forwarding Rate, 4.1 Mbits Internal Cache, PoE watchdog to Auto detect-and-Restart the cameras, Network topology management, alarm push, network health monitor, Port rate configuration, flow control, and ports enabling, IEEE 802.3at/af standard PoE ports, Various layer 2 management protocols such as STP/RSTP, VLAN, link aggregation, SNMP, QoS, 6 KV surge protection.