XJ127YL Mining Explosion-proof and Intrinsically Safe Hard Disk Video Recorder/Display Unit is a specialized explosion-proof terminal device designed for underground coal mine video surveillance systems, responsible for video processing, storage, and display. Primarily deployed in environments such as inclined shaft transport areas, mining faces, and underground control rooms, this equipment provides essential functions including video recording, multi-screen display segmentation, and supports Ethernet optical/electrical signal communication capabilities.