DS-3E0109P-E/M(B) – L2, Unmanaged, 8 100M PoE port, 1 100M uplink port, 802.3af/at, PoE power budget 58W,250m;

Intelligent PoE Management. When the power supply exceeds the limit, PoE ports intelligently manage the power supply, which extends the switch lifetime.
Up to 300 m Long Range PoE Transmission. The distance between IPCs and switch can reach maximum 300 meters.
4/8-Core Adaptive Power Supply with Less Power Loss. 8-core power supply reduces the power loss on cables.
6KV Surge Protection to Improve Reliability in Harsh Environment. The built-in surge protection device protects the switch from the sudden lightning surge in harsh environment.
Design for Video Transmission. VIP port ensures important data transmission when network congestion occurs.