This Recommendation contains technical specifications of data centre infrastructure management system (DCIM), following aspects are covered: - Principles - management objects - Management system scheme - data collection function requirements - operational function requirements -- Energy saving management -- Capacity management for ICT and facilities -- Other operational Function requirements -- Intelligent controlling on system to maximize the green energy uses. Other items - maintenance function requirements -- Early Alarm and protection based on the big data analysis -- Intelligent controlling on system to decrease the cost for maintenance are also considered.