Abstract
It is very important for railway operation and maintenance to monitor railway trackside signal equipment, which is the key foundational part of train control system. But the problem of how to transfer the monitoring data safely and efficiently is difficult to be solved. This paper introduces the technical characteristics of PLC, analyzies and compares the applicability of various communication methods under the application conditions. A scheme of trackside equipment monitoring network is proposed based on the broadband PLC technology and a monitoring system meeting the application requirements is developed.
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