SAS 520 an Industrial 5-port Fast Ethernet Switch, provides non-blocking wire-speed performance in harsh industrial environment. It also provides 4-port 10/100BASE-TX interfaces delivered in an IP40 rugged, strong case with redundant power system. Its slim case is suitable for such applications as surveillance system deployments, control management and wireless service in climatically demanding environments with wide temperature range from -40℃ to 85℃.