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In the mining scenario, Huawei's FTTM solution features underground pre-connection and intrinsic safety, providing high security and easy deployment for customer networks. Thanks to the passive optical splitter and intrinsically safe optical ring end (ORE), there is no need for explosion-proof boxes in a mine. The application of the pre-connection technology avoids underground fiber splicing and improves the installation efficiency by more than 10 times. Huawei OptiXstar T863E-DE is an intrinsically safe ORE with an industrial-grade design and support for Type B and Type C full-link protection, delivering a link switching latency of less than 30 ms. This ground-breaking product provides high security and reliability for Wi-Fi, sensing, camera, and control services in mines.