The 9-Port Unmanaged Desktop Switch with 8-Port PoE is a type of layer 2 commercial switch, which supports long distance Ethernet power supply. It provides eight 10/100 Mbps Ethernet ports and one 10/100/1000 Mbps uplink port. The product is equipped with two types of transmission modes (Default/Extend), which are controlled by DIP switch. Advantages of solid and sealed all-metal case design, low power consumption, fanless and efficient surface heat dissipation make it work in the environment from -10°C to 55°C