System Composition
·The ground part mainly consists of industrial control computers, industrial switches, power surge protectors, cables, optical cables, and other necessary equipment.
·The underground section consists of N PH18 (A) intrinsically safe LED display screens for mining, cables, optical cables, and other necessary equipment.
Remarks
1. The model of the mining communication optical cable is MGXTSV (2-12) B.
2. The full name of the mining communication cable model is the coal mine polyethylene insulated polyvinyl chloride sheathed communication cable, model MHYV42 (7/0.37mm).
3. PH18 (A) intrinsically safe LED display screens for mining use are powered by local power supply.