Industrial switch, It is also called industrial Ethernet switch, that is, Ethernet switch equipment used in the field of industrial control. Due to its good openness, wide application, low price and transparent and unified TCP / IP protocol, Ethernet has become the main communication standard in the field of industrial control. Industrial switches have carrier level performance characteristics and can withstand harsh working environment. With rich product series and flexible port configuration, it can meet the needs of various industrial fields. The product adopts wide temperature design, and the protection grade is not lower than IP30.