Recommendation ITU-T L.1301 establishes a minimum data set necessary to manage data centres and telecommunication rooms in an environmentally responsible manner.The Recommendation specifies the communication interface and defines the parameters to becommunicated depending on the equipment used in data centres,such as power systems (alternating current (AC)/direct current (DC) and uninterruptible power supply (UPS) and energy distribution),cooling systems and information and communication technology (ICT) equipment.