2025-12-14 216.73.216.3
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Code of China
Chinese National Standard List: Communication equipment in general

YD/T 563-1992 Technical requirements and test methods for toll connecting boards And special boards in manual toll telephone switching equipments 
  Issued on: 1900-1-1   Translation Price(USD): 120.0
YD/T 568-1992 Technical Requirements and Test Methods for Relay in Manual Toll Telephone Switching Equipments 
  Issued on: 1900-1-1   Translation Price(USD): 75.0
YD/T 567-1992 Technical Requirement and Test Method for Exchanger of Operating Service in Manual Toll Telephone Switching Equipments 
  Issued on: 1900-1-1   Translation Price(USD): 184.0
YD/T 562-1992 General Technical Requirements and Test Methods for Manual Toll Telephone Switching Equipments 
  Issued on: 1900-1-1   Translation Price(USD): 130.0
YD/T 569-1992 Technical Requirements and Test Methods for Ringing Power Sources Alarm and Distribution Frame in Manual Toll Telephone Switching Equipments 
  Issued on: 1900-1-1   Translation Price(USD): 184.0
YD/T 566-1992 Technical Requirement and Test Method for Monitors Desk in Manual Toll Telephone Switching Equipments 
  Issued on: 1900-1-1   Translation Price(USD): 184.0
YD/T 564-1992 Technical requirements and test methods for toll service boards (Toll recording boards enquiry desks) In manual toll telephone swiching eqiupments 
  Issued on: 1900-1-1   Translation Price(USD): 75.0
T/CCSA 243-2019 Specification for simply provisioning smart device to wireless local area network based Soft-AP 
  Issued on: 2019-08-16   Translation Price(USD):
T/GDAHVAC 2-2021 Qualification level of central air conditioning maintenance institutions 
  Issued on: 2021-03-27   Translation Price(USD): 165.0
CNCA 07C-031-2007 Implementation rules for compulsory certification of telecommunication equipment - telecommunication terminal equipment  
  Issued on:   Translation Price(USD): 270.0
YD/T 565-1992 Technical Requirements and Test Methods for Service Observation Desks (Quality Checking Desks) in Manual Toll Telephone Switching Equipments 
  Issued on:   Translation Price(USD): 184.0
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