Rail Transit
2025-10-11
A transportation system used in cities, where vehicles operate on fixed guideways and are primarily designed for urban passenger transport, is known as urban rail transit. According to China’s national standard, "Common Terminology for Urban Public Transportation," urban rail transit is defined as "a general term for rapid, high-capacity public transportation systems that typically rely on electric power and utilize a wheel-rail transportation method."
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Ethernet Switch Solutions for Rail Transit PIS
2025-10-11
The Passenger Information System (PIS) is a system that utilizes reliable network technology, multimedia transmission techniques, and advanced image-display technologies to deliver specific information to passengers at designated locations and timeframes along metro lines. Additionally, it enables the seamless transmission of passenger information to operations management personnel. The PIS supports a wide range of functionalities, including program production, provision of metro-related operational and informational services, broadcast programming, live content insertion, real-time multimedia news updates, intelligent signal distribution, data transmission, and even video surveillance.
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