Atop, which was formed in Taiwan over 25 years ago, designs, customizes, and produces industrial networking equipment and pick-to-light systems. Atop is specialized in industrial automation devices, such as industrial Ethernet switches, specialized power/railways, Fieldbus gateways, wireless servers, gateways, media converters and serial device servers. Atop is a specialist in automation products. Atop is well-received by industry leaders as an ISO-9001-certified producer. Their DIN Rail and railway products have passed a wide range of international safety and operational regulations, including EMC for heavy industrial use and railway applications, IEC 618503 for substation applications, UL certification, and IP30 and IP67 ratings – as well as any other country and market-specific certificates. Atop offers a diverse variety of Unified Protocol Gateways that allow protocol conversion across all protocols, providing seamless communication between old and next-generation devices. The protocol portals are extremely trustworthy and resilient to failure. They allow smooth conversion between Ethernet and serial devices, which are common in power stations, to communicate with multiple protocols. Modbus, IEC 6185, IEC 60870 – 5 – 104, IEC 60870 – 5-101, and DNP3 standards are included as well. Standards include Modbus.