DS-3E0109P-E(C) is a layer 2100Mbps PoE switch. Based on wire-speed forwarding, the switch supports Ethernet PoE power supply and extend mode. The power supply distance reaches as long as 300 m. It also supports prior and stable transmission of the important surveillance area video when connected to the high priority ports.Intelligent PoE Management.Up to 300 m Long Range PoE Transmission.4/8-Core Adaptive Power Supply with Less Power Loss.6KV Surge Protection to Improve Reliability in Harsh Environment.Design for Video Transmission.