5-Port 10 100Mbps with 4-Port PoE Industrial Unmanaged Ethernet Switch. IP-30 Aluminum metal case. DIN Rail and Wall Mount Design. Redundant Power Design. 24V or 48V DC, redundant power with polarity reverse protect function. 4-Ports support 48V DC power to PoE Powered Device (Port-1 to Port-4). Supports PoE Power up to 15.4 Watts for each PoE port. Layer2 features. Wide operating Temperature (-40 75 Degree C)