• 4 × Gigabit PoE port, 1 × Gigabit RJ45 port • IEEE 802.3at/af standard • IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, and IEEE 802.3z standard • 6 KV surge protection for PoE ports • PoE power management • Gigabit network access • Wire-speed forwarding and non-blocking design • Store-and-forward switching • Solid high-strength metal shell • Reliable fan-free design