本标准规定了国防部长途和战术电信控制设施（以前的技术控制设施）的物理和功能接口要求。如本标准中所用，术语电信控制设施（TCF）包括补丁和测试设施（PTF）以及为其他电信位置提供集中监控功能的位置接口。

This standard establishes physical and functional interface requirements for long haul and tactical telecommunications control facilities (formerly technical control facilities) in the Department of Defense (DoD). As used in this standard, the term telecommunications control facility (TCF) includes patch and test facilities (PTFs) and interfaces to locations that provide centralized monitoring and control functions for other telecommunication locations.