The Point Defender PD500™ is a point-locating intrusion detection system designed for fence and underground applications. Featuring ±1 m point location accuracy and a cut-tolerant cable configuration, the system utilizes Fiber SenSys patented End-to-End Correlation (E2EC™) technology to enhance detection performance and reliability. It also supports sensitivity leveling, virtual zones, power and data over a single sensing cable, and failover processors with no detection loss.