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Ensuring Safer Production in the Mining Industry

Designed to ensure safer production, the Huawei Fiber To The Machine (FTTM) mining solution provides all-fiber service bearer networks for the mining industry, featuring ultra-ten gigabit bandwidth, microsecond-level deterministic low latency, and all-fiber connections.

Through technological innovations — in architectures, protocols, and processes — the solution ensures mine production networks run smoothly and improves electrical, service, construction, and Operations and Maintenance (O&M) safety. Meanwhile, it also provides high-quality office and living network coverage for mine parks and living areas.

Solution Overview

An overview diagram of Huawei Fiber To The Machine (FTTM) for the Mining Industry Solution.

Solution Highlights

  • Electrical Safety

    The FTTM network's two-layer network architecture and passive optical network reduce the risk of underground electrical sparks.

    Unlike the three-layer network architecture of a traditional Ethernet ring network, the two-layer network architecture of the FTTM industrial network requires active devices to be deployed only at the headend and end nodes of an optical ring network. At the aggregation layer, a passive optical splitter is used to replace active switches and explosion-proof boxes.

    The headend node is deployed in core equipment rooms of mines, so only the end devices of the optical ring network near the service source in a mine are active. The mine tunnel between the head-end node and the end-end node — which can reach up to 40 km — is a passive optical ring network composed of passive optical components. This reduces the use of explosion-proof boxes by 40% and improves electrical safety under mines.

  • Service Safety

    The solution's industrial optical ring network adopts a daisy chain topology: Two optical fibers at the end of each optical ring network are connected to two different optical splitters at the aggregation layer. The ends are independent of each other. When one or more ends of the optical ring network are faulty, other parts of the network are not affected. Additionally, this type of network is self-growing, so adding terminals does not affect the existing network. This eliminates the issues with the ring networking mode that traditional industrial Ethernet uses. For example, all services between the two nodes or links are interrupted when multiple access nodes or links are faulty, and this type of network needs to break the ring to add nodes, switching services multiple times in the process, which is difficult and risky.

    Moreover, the topology of the industrial optical ring network as well as the equipment-level and link-level 1 + 1 redundancy protection enable services to resist multiple device and link failures and ensure that the service switching time is always less than 30 ms, achieving 100% security and reliability.

  • Construction Safety

    Traditional optical fiber implementing requires dedicated optical fiber splicers, which are operated by experts. During fiber splicing, a high temperature of 1800 degrees Celsius is generated. Therefore, the gas concentration must be closely monitored during underground operations.

    Conversely, Huawei's pre-connection solution uses advanced manufacturing techniques to improve the precision and integration of optical components. All fiber connectors are prefabricated in the factory. During onsite construction, the connections between fibers and optical components are plug-and-play, just like network cables. Underground fiber splicing operations are therefore avoided and the efficiency is improved by a factor of 10.

  • Maintenance Safety

    Traditionally, after a fiber fault occurs, maintenance staff take a tester underground to locate the faulty fiber segment by segment. By contrast, Huawei's optical fiber intelligent diagnosis technology adds a test wavelength to the optical fiber.

    Abnormal Fresnel reflection occurs when a fiber fault occurs. The intelligent analyzer captures the reflected signals and analyzes them to accurately determine the location of the fault. The location accuracy is as high as 0.5 m.

    Meanwhile, the intelligent analyzer automatically sends an alarm to a client or mobile app, instructing maintenance personnel to replace the optical fiber on site. Compared with traditional inspection methods, intelligent fiber diagnosis reduces the downhole maintenance time by 90% and improves the safety of O&M staff.

Related Products

Huawei OptiXstar T863E-DE

Huawei OptiXstar T863E-DE is an ORE used in Huawei's industrial optical network solution, with XGS-PON upstream ports, and electrical and optical ports.

FTTM All-Optical Mine

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.


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