Power Thermal Management Interface (PTMI) is a standardized interface that is implemented in the various components of a data center, and through which they pass messages about energy consumption and heat generation to the central energy management system, the Enterprise Power and Thermal Management
(EPTM). Data center components include theservers and network components, the power supplies and storage systems, and also the cooling equipment, such as the air conditioning or fans
. All power thermal management interfaces are connected to the EPTM management via a common interface.