6.6 照明采光 ...................................................................................................................................................30 6.7 BTS线缆布放要求 ................................................................................................................................30 6.8 安全要求 ...................................................................................................................................................32
第7章 BTS3900室外部分工程施工准备........................................ 33
7.1 BTS3900基站室外接地系统准备.....................................................................................................33 7.2 防雷系统 ...................................................................................................................................................34 7.3 铁塔准备要求 ..........................................................................................................................................35 7.4 天馈系统 ...................................................................................................................................................36 7.5 馈窗 ............................................................................................................................................................42
第8章 BTS3900室内部分工程施工准备........................................ 44
8.1 BTS3900基站室内接地准备..............................................................................................................44 8.2 走线架的准备 ..........................................................................................................................................44 8.4 -48V直流电源和蓄电池的准备..........................................................................................................45 8.5 交流供电的准备 ......................................................................................................................................45 8.6 传输设备的准备 ......................................................................................................................................46
第9章 BTS3900技术指标 .............................................................. 47
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