Setting up and Initial Testing of Digital Channels on an International Digital Path or Block - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits
标准号:ITU-T M.556-1988
标准名称: 国际数字路径或块的数字信道的设置和初始测试.一般的维修原则.国际传输系统和电话线路维护研究组4
英文名称:Setting up and Initial Testing of Digital Channels on an International Digital Path or Block - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits
标准类型:国外标准
标准状态:现行
中国标准分类号(CCS):M32