Protocol-specific switches & muxes are specialized networking devices used in industrial and telecommunications applications. These products are typically offered by companies like Cisco (USA), Siemens (Germany), and Huawei (China), which provide solutions for data communication, signal routing, and network management. They serve industries such as manufacturing, IT infrastructure, and telecom by enabling efficient protocol-based switching and multiplexing. Key products include Ethernet switches, optical muxes, and protocol converters, designed to ensure reliable and high-speed data transmission. These devices are essential for optimizing network performance in complex industrial environments.