08 Port PoE Managed Hardened Gigabit Switch > Meets the requirements of IEEE802.3,IEEE802.3u,IEEE802.3x, IEEE802.3ab standards > Meets the requirements of IEEE802.3af, IEEE802.3at, Hi-PoE, and IEEE802.3bt power supply standards. > Manages PoE power consumption and PoE power on/off. Supports Intelligent PoE. > A wide operating temperature range and a full metal casing that is fully-enclosed and dust-proof.