B&B Electronics 806-39900 PoE adapter

PoE+ Power Adapter f/ PoE+ Giga-MiniMc Designed and manufactured in the USA, the MiniMc Series extends 10 Mbps and 100 Mbps twisted pair network segments over regular duplex (up to 80 km) or single-strand fiber optics (up to 70 km).

Both a media and data rate converter, MiniMc features 10/100 Auto Negotiation on the twisted pair port while the fiber port operates at 100 Mbps Fast Ethernet full duplex.