NEBS(Network Equipment Building System)

NEBS Standards 또는 Requirements는 Central Office에서 사용되는Telecommunication
 
장비에 대한 기본적인 환경 요구사항을 모아놓은 규격

NEBS는 personal safety, personnel property, operational continuity에 관한 내용을 포함 

 하고 있으며,미국 내 대부분의 Service Provider들은 NEBS Tested 또는 NEBS Compliant

장비를 요구

 
범주 - Physical Criteria(Space Planning, - Temperature, - Humidity, - Fire, - Earthquake

         Electrical Criteria(- ESD, - EMI, - Lightning, - AC Power Fault, - Electrical Safety,
 
         - Bonding and Grounding)


NEBS Criteria Level

  Level 1 : Minimum environmental compatibility, Applications : Prototype equipment, 

               equipment used for non-vital services
 
  Level 2 : Assures limited equipment operability in controlled or normal environment,

              Applications : equipment used in data centers or failure-tolerant services
  
  Level 3 : Assures maximum equipment operability, Applications : critical network equipment
  
              (e.g. switches, transport products, power systems)


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