TraffiClair PLC Extender Solution revolutionizes traditional traffic light maintenance by enabling simultaneous power delivery and data communication through a two-core power cable. This system not only resolves signal failures efficiently, but also continuously monitors the operational status of each signal light and its connecting cables—effectively equipping the infrastructure with a “digital nervous system”.

Without interfering with existing signal transmission, the solution transforms every traffic light into a smart IoT device. It collects real-time key parameters such as current and voltage from individual lamp assemblies, automatically analyzes equipment health, and accurately pinpoints abnormalities. Once a fault is detected, the system transmits diagnostic data via the power line to a gateway unit in the control cabinet, which then instantly reports the issue to the management platform.

This shift to proactive sensing and maintenance marks a dramatic departure from conventional reactive repair models. It upgrades urban traffic signal systems from being “passively reported” to “actively self-monitoring”—ensuring faster response, minimal downtime, and smoother city traffic flow.

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