Physical Port
24-port 10/100 / 1000BASE-T Gigabit Ethernet 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 30.8 watts for each PoE port
Each port supports 52V DC power to PoE powered device
300-watt PoE budget
Auto detects powered device
Circuit protection prevents power interference between ports
Remote power feeding up to 100m in standard mode and 250m in extend mode
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
IEEE 802.1Q VLAN transparency
Hardware DIP switch 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 DIP switch to isolate ports to prevent broadcast storm and defend DHCP spoofing
Hardware
19-inch desktop size, 1U height, rack mountable
LED indicators for system power, per port PoE ready and PoE activity, speed, Link / Act
LCD monitor for system status and PoE usage status display
2 silent fan to provide stable and efficient power performance