Ericsson Internal
INFORMATION 3 (191)
Prepared (Subject resp) No.
CBC/PS/ZR Lim Lai Yee
Approved (Document resp) Checked Date Rev Reference
CBC/PS/ZR Jim Zheng
2013-01-
PA1
3(191)
1.10
零备件
............................................................................................... 29
2
数字单元(DU)产品概述
................................................................. 29
2.1
DU 版本
............................................................................................. 29
2.2
DU 概述
............................................................................................. 29
2.3
DU 功能说明
...................................................................................... 30
2.3.1
DU 具有功能
...................................................................................... 30
2.3.2
DU 维护按钮
...................................................................................... 31
2.4
DU 技术数据
...................................................................................... 31
2.5
DU 接口
............................................................................................. 31
3
远程无线单元 RRU
............................................................................ 32
3.1
RRUL 产品概述
................................................................................. 32
3.1.1
主要特性
............................................................................................ 33
3.1.2
可选设备
............................................................................................ 34
3.2
RRUL 技术参数
................................................................................. 34
3.2.1
尺寸
................................................................................................... 34
3.2.2
空间要求
............................................................................................ 38
3.2.3
杆上安装
............................................................................................ 39
3.2.4
环境参数
............................................................................................ 40
3.3
主要供应参数
..................................................................................... 42
3.3.1
DC 电源供应参数
............................................................................... 42
3.3.2
AC 电源供应特性
............................................................................... 43
3.3.3
RRUL 能耗
........................................................................................ 44
4
RRU 硬件设备
................................................................................... 45
4.1
TRX 收发信机(TRX) 提供的功能
....................................................... 45
4.1.1
PA
...................................................................................................... 46
4.1.2
FU
..................................................................................................... 46
4.1.3
DC SPD
............................................................................................. 46
4.1.4
ALD (RET) SPD
................................................................................ 46
4.1.5
外部告警 SPD
................................................................................... 46
4.1.6
太阳罩
............................................................................................... 46
4.1.7
光指示器和按钮
................................................................................. 47
4.1.8
维护按钮功能
..................................................................................... 47
4.1.9
PSU AC 02 (可选)
............................................................................. 47
5
RRU 连接接口
................................................................................... 48
5.1
连接接口
............................................................................................ 49
5.1.1
RRUS 61
........................................................................................... 49
5.1.2
RRUL 62
........................................................................................... 50
5.1.3
RRUL 81
........................................................................................... 50
5.2
Position B, 光指示器
.......................................................................... 52
5.3
Position C, -48 V DC 电源接口
.......................................................... 53
5.4
Position E 和 F, 光缆到主单元接口
.................................................... 54
5.5
Position G, H, 和 L, 天线接口
............................................................ 55
5.6
Position I, ALD 控制接口
................................................................... 57
5.7
Position J, 外部告警接口
................................................................... 59
5.8
Position K, 接地接口
.......................................................................... 60
5.9
可选设备接口
..................................................................................... 62
5.9.1
PSU AC 02 (可选)
............................................................................. 62
第二部分 硬件安装
.......................................................................................... 62
6
安装准备工作
..................................................................................... 62