GB/T 17114-1997 160kbit/s用户线数字倍增设备进网要求

标准编号：GB/T 17114-1997

标准名称：160kbit/s用户线数字倍增设备进网要求

英文名称：Requirement for 160 kbit/s subscriber line digital multigain equipment joined to national public telecommunication network