This document establishes the model and framework of data center infrastructure operation and maintenance service capabilities, and stipulates the requirements for data center infrastructure operation and maintenance service capability levels and different levels of operation and maintenance service capabilities.
T/CCUA 002-2024 history
2024T/CCUA 002-2024 Requirements of the maintenance service capability of datacenter-infrastructure
2019T/CCUA 002-2019 Rating of the maintenance service capability of datacenter infrastructure