The T5152-M-C4WS48G is a layer 3 management 10-megabit switch that provides 48 10/100/1000Mbps auto-negotiation ports plus four 10-megabit ports -1000/10000Mbps SFP+ optical ports. It can be used to connect to upstream devices with higher bandwidth. The storage and forwarding technology, combined with dynamic memory allocation, ensures that the bandwidth is efficiently allocated to each port.