CONTENTS
1文档修改历史.............................................................................................................3
2FDD-LTE 无线子系统工程系统框架................................................................................4
3BBU 安装指导..............................................................................................................5
3.1BBU 总体结构...........................................................................................................5
3.2BBU 安装方式...........................................................................................................5
3.3机架加固方式...........................................................................................................6
3.4机架加固.................................................................................................................7
3.5架顶走线.................................................................................................................8
3.6机架布局.................................................................................................................9
3.7电源连接（不带 PDU）............................................................................................15
3.8电源连接（自带 PDU）............................................................................................18
3.8.1PDU 电源线的连接..........................................................................................19
3.9电缆连接...............................................................................................................20
3.9.1PTN 传输光纤连接..........................................................................................21
3.9.2BBU 和 RRU 光纤连接......................................................................................22
3.10对墙加固...........................................................................................................23
3.10.1BBU 对墙加固支架..........................................................................................23
3.10.2BBU 对墙加固................................................................................................24
4RRU 的安装场景.........................................................................................................25
5RRU 2PA 安装指导......................................................................................................26
5.1总体结构...............................................................................................................26
5.2安装要求...............................................................................................................27
5.3安装方式...............................................................................................................28
5.3.1抱杆安装.......................................................................................................28
5.3.2挂墙安装.......................................................................................................29
5.3.3落地支撑安装方式...........................................................................................31
5.4RRU 底部接口类型...................................................................................................32
5.4.1光纤连接.......................................................................................................33
5.4.2RF 跳线连接...................................................................................................36
5.4.3RF 接头防水措施的安装步骤..............................................................................36
6GPS 安装...................................................................................................................37
6.1GPS 天线的制作......................................................................................................38
6.2GPS 馈线的连接......................................................................................................39
6.3GPS 避雷器的安装...................................................................................................39
7电源防雷箱的安装......................................................................................................41
7.1室外防雷箱的安装方式.............................................................................................42
7.2室外防雷箱的电缆连接.............................................................................................43
7.3室内防雷箱的安装（可选）.......................................................................................45
7.3.1室内防雷箱电缆连接........................................................................................45
8AC/DC 的安装.............................................................................................................47
8.1AC/DC 接地线连接...................................................................................................48
8.2对墙安装...............................................................................................................49
8.3抱杆安装...............................................................................................................50

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