The terms marked in bold in this specification are mandatory and must be strictly implemented.
The Ministry of Construction is responsible for the management of this specification and the interpretation of mandatory provisions, the Ministry of Information Industry is responsible for daily management, and Zhongxun Post and Telecommunications Consulting and Design Institute (formerly the Post and Telecommunications Design Institute of the Ministry of Information Industry) is responsible for the interpretation of specific technical contents.
During the implementation of this specification, please pay attention to summing up experience and accumulating data, and feedback relevant opinions and suggestions to Zhongxun Post and Telecommunications Consulting and Design Institute (address: Huzhu Road, Zhengzhou City, Henan Province 1 No.450007) at any time for reference in future revision.