Summary

Recommendation ITU-T L.1332 contains the basic definition of energy efficiency metrics and measurement methods required to evaluate the energy efficiency of a total network, including the energy consumption for:

–           all telecommunication (TLC)/information and communications technology (ICT) equipment in the network;

–           all facilities equipment (e.g., cooling systems, site monitoring systems, fire protection and lighting systems;

–           energy losses in DC power station or AC UPS and in the power distribution;

–           maintenance activities and site-visit energy used for transportation (e.g., by car);

–           diesel generators used for emergency purposes.