4 Port Gigabit Unmanaged Harsh POE Switch

• 3 × gigabit PoE ports, 1 × gigabit Hi-PoE port, 2 × gigabit SFP fiber optical ports.
• IEEE 802.3at/af/bt standard for Hi-PoE port (Max. 60 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 802.3z and IEEE 802.3ab 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.
• Wire-speed forwarding.
• Wider temperature (-30 to 65 °C) design.
• Store-and-forward switching.
• Solid high-strength metal shell.
• Reliable fan-free design.