Home / Standards / GB/T 13993.2-2014 GB/T 13993.2-2014 Active Optical fibre cables for telecommunication—Part 2: Outdoor optical fibre cables for core networks 通信光缆 第2部分：核心网用室外光缆 Standard Type GBT ICS 33.180.10 CCS M33 Status 现行 Issue Date 2014-12-05 Implementation 2015-04-01 Responsible Dept 工业和信息化部（通信） Drafting Unit N/A