The DS-3E1526P-SI is a 24-port Gigabit Smart POE switch featuring 24 × gigabit PoE ports and 2 × gigabit fiber optical ports. It supports IEEE 802.3at/af standards and offers advanced network management with topology management, alarm push, and network health monitoring. With 6 kV surge protection and a PoE watchdog to auto-restart unresponsive cameras, it ensures reliable operation. It also supports various layer 2 management protocols including STP/RSTP, VLAN, link aggregation, SNMP, and QoS.

• 24 × gigabit PoE ports, and 2 × gigabit fiber optical ports.
• IEEE 802.3at/af standard for PoE ports.
• Network topology management, alarm push, network health monitor.
• 6 KV surge protection for PoE ports.
• AF/AT camera can reach up to 300 m in extend mode.
• PoE watchdog to auto detect and restart the cameras that do not respond.
• Various layer 2 management protocols such as STP/RSTP, VLAN, link aggregation, SNMP, QoS and so on.