YD/T 2435.3-2020 Technical Guidelines for Energy Saving of Communication Power Supply and Computer Room Environment Part 3: Energy Efficiency Classification of Power Supply Equipment (English Version)
2020YD/T 2435.3-2020 Technical Guidelines for Energy Saving of Communication Power Supply and Computer Room Environment Part 3: Energy Efficiency Classification of Power Supply Equipment
2012YD/T 2435.3-2012 Guide for energy saving technology of power supply and Room environment for telecommunications.Part 3:Grade of energy efficiency of power supply