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正常电源发生故障造成电报通路中断时可容许的最长中断时间限值

Maximum Acceptable Limit for the Duration of Interruption of Telegraph Channels Arising from Failure of the Normal Power Supplies - Telegraph Transmission (Study Group IX) 1 pp

国外标准 现行

标准号:ITU-T R.81-1989

标准名称: 正常电源发生故障造成电报通路中断时可容许的最长中断时间限值

英文名称:Maximum Acceptable Limit for the Duration of Interruption of Telegraph Channels Arising from Failure of the Normal Power Supplies - Telegraph Transmission (Study Group IX) 1 pp

标准类型:国外标准

标准状态:现行

中国标准分类号(CCS):M16

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