Professional Standard - Post and Telecommunication
Latest
YD/T 2280-2011
Scope
This standard specifies the definition, interface model, structural framework and performance index requirements of access network equipment based on Ethernet interface backfeed. This standard applies to power feeding and powered equipment based on the Ethernet interface backfeed method.
YD/T 2280-2011 Referenced Document
GB 4943 Safety of information technology equipment
GB 9254 Limits and methods of measurement of radio disturbance for information technology equipment
GB/T 17618 Information technology equipment.Immunity characteristics.Limits and methods of measurement*, 2015-02-04 Update
IEEE Std 802.3at-2009 IEEE Standard for Information technology-- Local and metropolitan area networks-- Specific requirements-- Part 3: CSMA/CD Access Method and Physical Layer Specifications Amendment 3: Data Terminal Equipment (DTE) Power via the Media Dependent Interface (M
YD/T 2280-2011 history
2011YD/T 2280-2011 Technical requirements based on terminal power over ethernet(TPoE)for access network equipment