The Protoss PE11-H is a robust DIN-rail mounted serial server designed for industrial automation. It seamlessly converts RS485 serial data to 10/100M Ethernet, enabling remote access and integration of legacy serial devices into modern TCP/IP networks. Powered by a Cortex-M3 processor running the FreeRTOS operating system, it features 2MB Flash and 128KB SRAM for reliable performance. This converter supports a comprehensive suite of protocols including TCP, UDP, MQTT, HTTP, WebSocket, and Modbus TCP to RTU conversion with master functionality. Serial communication speeds reach up to 460,800 bps. Key features include easy configuration via a built-in webpage or PC software tool, support for security protocols (AES/DES3), heartbeat/register packet functions, and over-the-air (OTA) firmware upgrades via the web. Built for harsh environments, it operates reliably in temperatures from -40°C to +85°C. This model (PE11-H) accepts a wide input voltage range of 100-240V AC at 50-60Hz. Its compact, white plastic housing measures 97.60 x 64.95 x 27.50 mm and is designed for easy C45 DIN rail installation. Package includes: • 1 x DIN-Rail Serial Server Note: Slight color variations may occur due to photography lighting and monitor settings. Product dimensions may have a tolerance of +/- 1-3 cm.