ADAM-6520L is a 5-port Industrial 10/100 Mbps Unmanaged Ethernet Switch, which substitutes ADAM-6510, which is being phased-out. With ADAM-6520L, users can upgrade their 10 Mbps hub to a 10/100 Mbps switch, for a small cost. The ADAM-6520L supports +10~30 VDC for power input.