Hikvision, L2 Switch, 24 Port Gigabit Unmanaged POE Switch, 24 × gigabit PoE ports, 2 × gigabit RJ45, 2 × gigabit SFP fiber optical port; 802.3af/at/bt, port 1-4 support Hi-PoE 90w, PoE power budget 370W, ports 21-24 support up to 300meter, 6KV surge protection, supports POE watchdog, port isolation