Hikvision 24Port 4Hi-PoE Gigabit SFP Switch

20 × gigabit PoE ports, 4 × gigabit Hi-PoE ports, 2 × gigabit RJ45 ports, and 2 × gigabit fiber optical ports. IEEE 802.3at/af/bt standard for Hi-PoE ports (Max. 90 W PoE output). IEEE 802.3at/af standard for PoE ports (Max. 30 W PoE output). IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, and IEEE 802.3z standard. 6 KV surge protection for PoE ports. Up to 300 m long-range transmission. PoE watchdog to auto detect and restart the cameras that do not respond. Port isolation to improve network security. Gigabit network access design. Wire-speed forwarding. Store-and-forward switching. Solid high-strength metal shell.