DAHUA 4-port Fast Ethernet PoE Switch Layer 2 Commercial Switch DH-PFS3006-4ET-60.
PFS3006-4ET-60 is a 4-port fast ethernet switch, which supports 250
meters long distance PoE transmission. It provides 4*10/100Mbps
PoE ports and 2*100 Mbps uplink ports. The product is equipped with
two transmission modes (Default/Extend), which are controlled by DIP