Black Box Industrial Ethernet PoE+ Switch - Unmanaged, Extreme Temperature, 6-PortUnlike the Ethernet switches in your wiring closet or computer center, the switches at the edges of your network have to withstand extreme temperatures and conditions. This is where the Industrial Unmanaged Ethernet PoE+ Switch from Black Box comes in. This extreme industrial switch features four autosensing 10 100 Mbps PoE PoE+ 802 af at copper ports, one autosensing Gigabit copper port and one Gigabit SFP fiber uplink port. Fiber SFPs are available