2025-12-28 10.8.118.215
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Code of China
Chinese National Standard List: Telecommunication power supply equipment

GB/T 16821-1997 General test methods of power supply equipments for telecommunications 
  Issued on: 1997-05-28   Translation Price(USD): 370.0
YD 5040-1997 Design Standard for Telecommunications Power Supply Equipment Installation 
  Issued on: 1997-06-25   Translation Price(USD): 600.0
YD/T 799-1996 Technical requirements and testing methods of valve-regulated lead acid battery for telecommunications 
  Issued on: 1996-1-22   Translation Price(USD): 264.0
YD/T 731-1994 High Frequency Switch-Mode Rectifier for Telecommunications 
  Issued on: 1994-9-28   Translation Price(USD): 130.0
YD/T 732-1994 DC- Test method for DC converter for telecommunication 
  Issued on: 1994-9-28   Translation Price(USD): 120.0
YD/T 733-1994 DC-DC module converter for telecommunication 
  Issued on: 1994-9-28   Translation Price(USD): 220.0
YD/T 693-1993 Technical requirement of fundamental power supply units for SPC exchange 
  Issued on: 1994-03-26   Translation Price(USD): 180.0
YD/T 680-1994 Quality grading criteria of inverter equipment for communication 
  Issued on: 1994-05-18   Translation Price(USD): 120.0
YD/T 682-1994 Quality grading criteria of semiconductor rectifier installations for communication 
  Issued on: 1994-05-18   Translation Price(USD): 100.0
YD/T 683-1994 Quality grading criteria of power distribution equipment for communication 
  Issued on: 1994-05-18   Translation Price(USD): 300.0
YD/T 681-1994 Quality grading criteria of inverter equipment for communication 
  Issued on: 1994-05-18   Translation Price(USD): 300.0
YD/T 512-1992 Technical Conditions for Telegraph Power Supply Unit 
  Issued on: 1992-1-19   Translation Price(USD): 150.0
YD/T 526-1992 Technical requirements of 1800-channel carrier communication remote power supply rack for medium coaxial cable 
  Issued on:   Translation Price(USD): 100.0
YDJ 31-1983 Technical Specifications for Installation Engineering Construction and Acceptance of Communication Power Supply Equipment 
  Issued on: 1984-7-1   Translation Price(USD): 630.0
YD/T 502-1991 Communication technology requirements for diesel generator sets 
  Issued on: 1991-01-01   Translation Price(USD):
YD/T 501-1991 Specifications on Unattended Power Supply for Micro-Wave Stations 
  Issued on: 1991-9-1   Translation Price(USD): 264.0
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