24-port 10/100/1000BASE-T Gigabit RJ45 copper 2 1000BASE-X mini-GBIC SFP interfaces Power over Ethernet Complies with IEEE 802.3af/at Power over Ethernet end-span PSE Up to 24 ports of IEEE 802.3af/802.3at devices powered Supports PoE Power up to 32 watts for each PoE port Each port supports 54V DC power to PoE Powered Device 300-watt PoE budget Auto detects powered device (PD) Circuit protection prevents power interference between ports Remote power feeding up to 100m in standard mode and 250m in extend mode Smart LCD LCD switch mode for “Standard”, “VLAN” and “Extend” mode selection; the “Extend” mode features 30-watt PoE transmit distance of 250m at speed of 10Mbps and VLAN isolation Solid LCD switch mode to isolate ports to prevent broadcast storm and defend DHCP spoofing Power low-voltage, power over-voltage and PSE over-temperature protection Screen saver, fan control, factory default and save configuration PoE management Total PoE power budget control Per port PoE function enable/disable PoE port power feeding priority Per PoE port power limitation PD alive check Switching Hardware-based 10/100/1000Mbps auto-negotiation and auto MDI/MDI-X Flow control for full duplex operation and back pressure for half duplex operation 9216bytes packet size Integrates address look-up engine, supporting 8K absolute MAC addresses IEEE 802.1Q VLAN transparency Automatic address learning and address aging Hardware 19-inch desktop size, 1U height, rack mountable 2-inch color LCD with smart management functions LED indicators for system power, per port PoE ready and PoE activity, speed, Link/Act 3 silent fans to provide stable and efficient power performance Supports Energy-Efficient Ethernet (EEE) function (IEEE 802.3az) Supports contact discharge of ±6KV DC and air discharge of ±8KV DC for Ethernet ESD protection Supports ±6KV surge immunity