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Technical requirements for overvoltage and overcurrent protection and basic environmental adaptability of access network equipment

  • 2013-09-22
  • 511.63KB
  • Points it Requires : 2

           This standard is formulated based on the ITU-TK series of recommendations and in combination with the application of access network equipment in my country. The main reference standards are YDlf950, K.32, K.34, K.41, K.43, K.45 and K.44. The environmental adaptability part is formulated in accordance with relevant Chinese standards. Due to the complex working environment conditions of access network equipment, the purpose of formulating this standard is to enable the equipment to have sufficient self-protection capabilities and working stability to ensure the smooth and safe communication network. Technical conditions for overvoltage and overcurrent protection and basic environmental adaptability of access network equipment Foreword 111 Scope 12 Reference standards 13 Technical requirements 14 Test methods 3 Appendix A (Appendix to the standard) Transmission characteristics of access network equipment before and after the test 9 Appendix B (Appendix to the standard) Pulse waveform and laboratory configuration for fast transient test 14 Appendix C (Suggestive appendix) Communication link inspection method 16

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