Home / Standards / GB/T 43556.2-2023 GB/T 43556.2-2023 Active Maintenance technology of optical fibre and cable line—Part 2: Water detection in underground closures with optical monitoring system 光纤光缆线路维护技术 第2部分:使用光学监测系统的地埋接头盒浸水监测 Standard Type GBT ICS 33.180.99 CCS M33 Status 现行 Issue Date 2023-12-28 Implementation 2024-04-01 Responsible Dept 工业和信息化部(通信) Drafting Unit N/A