Home / Standards / DL/T 1509-2016 DL/T 1509-2016 Abolished 电力系统光传送网(OTN)技术要求 Standard Type DL ICS N/A CCS N/A Status Abolished Issue Date 2016-01-07 Implementation 2016-06-01 Centralized Committee 国家能源局 Issuing Authority 国家能源局