请注意:此版本的所有临时修订版将在您购买时提供。音频/视频、信息和通信技术设备机柜、外壳和机架系统SUL 24161范围1。1本标准涵盖音频/视频、信息和通信技术设备机柜、外壳和机架系统的要求。在本标准机柜中，机柜和机架系统均称为“机柜系统”1.2外壳系统不是完整的设备，但包括用于供电、保护、加热、冷却或以其他方式支持信息技术（IT）、电信、音频/视频（A/V）和稍后安装的类似设备的组件和子组件。 它们通常包括安装硬件、架子或用于安装附加设备的空间。这些外壳系统旨在供制造商用于建造完整的A/V、IT和通信设备，或供服务提供商和其他合格安装人员用于安装网络基础设施设备或通信和多媒体系统设备。1.3本标准假设设备最终安装到外壳系统中将由合格的服务人员根据适用的安装说明、安装实践和国家安装规范进行。 在适当情况下，该设备的安装应符合ANSI/NFPA 70《国家电气规程》（NEC）和/或ANSI/IEEE C2《国家电气安全规程》（NESC）的适用章节。拟安装在信息技术设备（计算机）室内的设备应按照NFPA 75《信息技术设备保护标准》进行安装。1.4外壳系统就其性质而言，旨在容纳外壳系统制造商未规定且其结构和特性基本未知的设备。 因此，在某些情况下，这些要求包括超出一般设备标准通常要求的额外或补充保障措施，其中最终配置得到了明确定义，通过对设计和测试进行彻底评估，可以将风险降低到可接受的水平。1.5这些要求不包括模块化数据中心的机柜。此类设备应根据UL 2755.1.6《模块化数据中心调查大纲》中的要求进行调查。这些要求不包括排气烟囱和其他与建筑物内环境空气系统相连的空气管理系统。 此类设备应根据UL 1995《加热和冷却设备标准》和UL 723S《自动喷水装置下方安装的落差天花板调查大纲》的要求进行调查。注:环境空气系统包括专门为环境空气设计的管道和其他用于环境空气的空间（静压箱），这些空间可能不是专门为环境空气处理目的制造的，而是作为静压箱用于空气处理目的。悬挂式天花板上方用于环境空气处理的空间就是此类其他空间的一个例子。 1.7对最终安装具有管辖权的机构有责任确定最终配置是否符合安装和使用的必要标准。

Please note: All interim revisions for this edition available at time of your purchase will be included.Audio/Video, Information and Communication Technology Equipment Cabinet, Enclosure and Rack SystemsUL 24161 Scope1.1 This Standard covers requirements for Audio/Video, Information and Communication Technology Equipment Cabinet, Enclosure and Rack Systems. For the purpose of this Standard cabinet, enclosure and rack systems are all referred to as "enclosure systems."1.2 Enclosure systems are not complete equipment but include components and sub-assemblies that are intended to power, protect, heat, cool or otherwise support information technology (IT), telecommunications, audio/video (A/V) and similar equipment that will be installed at a later time. They usually include mounting hardware, shelves or space for the installation of the additional equipment. These enclosure systems are intended to be used by manufacturers in the construction of complete A/V, IT and communications equipment, or by service providers and other qualified installers for the installation of network infrastructure equipment or communications and multi-media systems equipment.1.3 This Standard assumes that the final installation of equipment into the enclosure system will be performed by qualified service personnel in accordance with the applicable installation instructions, installation practices and national installation codes. As appropriate, this equipment should be installed in accordance with ANSI/NFPA 70, National Electrical Code (NEC), and/or the applicable sections of ANSI/IEEE C2, National Electrical Safety Code (NESC). Equipment intended for installation in information technology equipment (computer) rooms should be installed in accordance with NFPA 75, Standard for the Protection of Information Technology Equipment.1.4 Enclosure systems by their very nature are intended to house equipment that is not specified by the enclosure system manufacturer and whose construction and characteristics are largely unknown. As such, in some cases these requirements include additional or supplementary safeguards beyond those normally required by general equipment standards where the final configuration is well defined and risks can be reduced to an acceptable level by a thorough evaluation of the design and testing.1.5 These requirements do not cover enclosures for modular data centers. Equipment of this type shall be investigated under the requirements in the Outline of Investigation for Modular Data Centers, UL 2755.1.6 These requirements do not cover exhaust chimneys and other air management systems that connect to environmental air systems in buildings. Equipment of this type shall be investigated under the requirements in the Standard for Heating and Cooling Equipment, UL 1995, and the Outline of Investigation for Drop-Out Ceilings Installed Beneath Automatic Sprinklers, UL 723S.Note: Environmental air systems include ducts specifically designed for environmental air and other spaces used for environmental air (plenums) that may not be specifically fabricated for environmental air-handling purposes but are used for air-handling purposes as a plenum. The space over a hung ceiling used for environmental air-handling purposes is an example of this type of other space.1.7 It is the responsibility of the Authority Having Jurisdiction over the final installation to determine if the final configuration meets the necessary criteria for installation and use.