标准摘要
[中文适用范围]： IEC 62642 的这一部分包括对用于通知建筑物内入侵和劫持警报系统的警告装置的要求。警告装置的四个等级被描述为对应于IEC 62642-1中给出的四个安全等级中的每一个。还给出了涵盖 IEC 62599-1 中指定的内部和室外应用的四个环境等级的要求。 [外文原描述]： IEC 62642-4:2010 includes requirements for warning devices used for notification in intrusion and hold up alarm systems installed in buildings. Four grades of warning device are described corresponding to each of the four security grades given in IEC 62642-1. Requirements are also given for four environmental classes covering applications in internal and outdoor locations as specified in IEC 62599-1.
英文名称Alarm systems - Intrusion and hold-up systems - Part 4: Warning devices