Professional Standard - Post and Telecommunication
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YD 5210-2014
Scope
This specification applies to new 240 V DC power supply system projects. If this specification conflicts with relevant national standards (norms), laws and regulations, the relevant provisions of national standards (norms), laws and regulations shall be followed.
YD 5210-2014 history
2014YD 5210-2014 Technical Specifications for 240 V DC Power Supply System Engineering