: The standard now requires a minimum cabinet width of 800mm in functional areas housing switches (like the MDA and HDA) to better manage high-density cabling.
为帮助读者快速把握两版标准的关键差异，下表对TIA-942-C相对于TIA-942-B的主要变化进行了系统梳理： tia942c pdf full
For professionals requiring the complete, official document, it is important to know where to look. : The standard now requires a minimum cabinet
This guide is structured for data center designers, facility managers, auditors, and IT professionals. I should also cover related topics like certification,
TIA-942-C对于20平方米以下的计算机房降低了最小地面载荷要求，调整下限为5 kPa（约100 lb/ft²），更贴合小型场景的实际需求，避免过度设计带来的不必要成本。
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ANSI/TIA-942-C还增加了一个关于液体浸没冷却的参考性附件，并将“热移除”一词推广为适用于任何冷却设备技术的通用术语。