6 10 / 100Mbps Fast Ethernet ports
4 ports supporting 52V DC power to PoE powered device
Power over Ethernet
Complies with IEEE 802.3af / at Power over Ethernet end-span
Up to 4 IEEE 802.3af / 2 IEEE 802.3at devices powered
Supports PoE power up to 30 watts for each PoE port
60-watt PoE budget
Hardware DIP switch for "Standard" and "Extend" mode selection; the "Extend" mode features 30-watt PoE transmit distance of 250m at speed of 10Mbps and VLAN isolation
Auto detects powered device (PD)
Circuit protection prevents power interference between ports
Remote power feeding up to 100m in the standard mode
Switching
Hardware-based 10 / 100Mbps auto-negotiation and auto MDI / MDI-X
Flow control for full duplex operation and back pressure for half duplex operation
1536bytes package size
Integrates address look-up engine, supporting 2K absolute MAC addresses
Automatic address learning and address aging
Solid DIP switch to isolate ports to prevent broadcast storm and defend DHCP spoofing
Hardware
Desktop palm size
LED indicators for PoE ready / activity and LINK / ACT
Supports contact discharge of ± 4KV DC and air discharge of ± 6KV DC for Ethernet ESD protection
Supports ± 4KV surge immunity
Internal AC power supply
