Digital Transmission System on Metallic Local Lines for ISDN Basic Rate Access - Digital Networks, Digital Sections and Digital Line Systems (Study Groups XV and XVIII) 119 pp
国外标准现行
标准号:ITU-T G.961-1989
标准名称: 金属本地线路上用于ISDN基本速率接入的数字传输系统
英文名称:Digital Transmission System on Metallic Local Lines for ISDN Basic Rate Access - Digital Networks, Digital Sections and Digital Line Systems (Study Groups XV and XVIII) 119 pp