8 × 100 Mbps PoE ports, and 1 × 100 Mbps Ethernet port. Ÿ IEEE 802.3at/af standard. Ÿ IEEE 802.3, IEEE 802.3u and IEEE 802.3x standard. Ÿ High priority ports. Ÿ 8-core power supply. Ÿ Up to 250 m transmission distance. Ÿ 6 KV surge protection for PoE ports. Ÿ PoE power management. Ÿ 100 Mbps network access. Ÿ Wire-speed forwarding and non-blocking design. Ÿ Store-and-forward switching. Ÿ Solid high-strength metal shell. Ÿ Reliable fan-free design.