[YD/T 1712-2007] 中小型电信机房环境要求[已作废]
发布时间:2007-09-29
实施时间:2008-01-01
本标准规定了中小型电信机房的温湿度、气压、洁净度、机械和电磁环境要求。本标准适用于:接入网机房、远端..
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[YD/T 1713-2007] 总配线架(MDF)强电入侵告警系统技术要求和试验方法[现行]
发布时间:2007-09-29
实施时间:2008-01-01
本标准规定了总配线架(MDF)强电入侵告警系统的系统组成、告警功能要求、系统各级功能要求、系统硬件要..
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[GB/T 13621-1999] 100~1 000MHz接力通信系统的容量系列波道配置及设备的主要技术要求[现行]
发布时间:1999-01-01
实施时间:2000-06-01
本标准规定了100~1000MHz频段接力通信系统的容量系列、波道配置、设备的主要技术要求及测量方法..
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[GB/T 13621-1992] 100MHz-1GHz模拟接力通信系统的容量系列波道配置及设备的主要技术要求[已作废]
发布时间:1992-08-01
实施时间:1992-08-01
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[GB/T 7585-1987] 模拟微波接立通信系统容量系列及波道配置[已废止]
发布时间:1987-03-27
实施时间:1987-01-01
本标准仅适用于工作在2~11GHz频段的模拟微波接力通信系统。
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[GB 6280-1986] 25-1000MHz陆地移动通信网的容量系列及频道配置[已废止]
发布时间:1986-04-14
实施时间:1987-04-01
本标准适用于小容量和大、中容量移动通信网接入公用通信网的容量系列、窄带调频使用的频段、频道间隔、双工..
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