the BW2220 series switches can be used for simple application in plug-and-play mode to meet the needs of users. All copper ports support auto-negotiation, 10/100Mbps full-duplex and half-duplex, flow control, and Auto-MDI/MDI-X. It provides redundant power supply as well as wide range of DC and AC power inputs. In terms of structural installation, the model is compact design and takes up less space. The BW2220 series can be operated at wide a temperature range from -40 to 85°C, and its IP40 casing house satisfies any harsh industrial environment.