NEBS认证——稳态电力线感应(一)
Steady-state Power Induction of the NEBS Authentication Part 1
摘要 介绍了NEBS认证对网络设备的稳态电力线感应抗扰度的标准要求和测试方法。主要包括长回路、短回路、中继线路的稳态电力线感应标准要求和测试方法。这部分的要求适用于附录A中端口类型1和类型3的网络设备。如果被测设备用在长回路通信线缆(大于20 kft)中,采用2节中的标准;用在短回路通信线缆(小于20 kft)中,选择第3节中的标准;用于中继干线中,采用4节中的标准。然而这些要求都不适合长度小于5 kft的通信线缆。
关键词 NEBS;电力线感应;长回路;短回路;中继线路;电磁兼容
Abstract This thesis introduces the criteria and testing methods of steady-state power
induction in NEBS authentication. According to the characteristics of network
equipments, they are divided into three types, including long loops, short loops, and
trunks. In this thesis the criteria and testing methods for three kinds of equipments
are introduced respectively. These criteria apply to network equipment with port types
1 and 3 as described in appendix A. If EUT is to be used on a long loop (greater than
20 kft), section 2 should be adopted; if it is confined to a short loop (less than 20 kft)
section 3 should be adopted; if it is to be used on trunks, it should be tested
according to section 4. However, these criteria do not apply to equipment intended to
be used only for loops less than 5 kft.
Keywords network equipment building system;power induction;long loops;short
loops;trunks;electromagnetic compatibility
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