The IDC cabinet is a core physical infrastructure of Internet Data Centers (IDCs), serving as an integrated carrier specifically designed for standardized installation, high-grade protection, intelligent environmental regulation, and centralized O&M management of ICT hardware such as high-power-density servers, storage devices, and network switching equipment. Through modular integration and refined design, it ensures stable operation of equipment under 24/7 high-load conditions, acting as the "hardware cornerstone" supporting digital services like cloud computing, big data, and artificial intelligence. It is suitable for full-scenario deployment needs, ranging from edge micro-data centers to ultra-large-scale cloud data centers.