Information About The Installation; Installation Modes Of The Rru And Srxu - Huawei RRU User Manual
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- Hardware maintenance manual (58 pages) ,
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RRU
User Guide
3.1 Information About the Installation
This describes the installation modes and space requirements of the RRU and SRXU.
3.1.1 Installation Modes of the RRU and SRXU
The RRU supports one-module, two-module centralized, and three-module centralized
installation modes. It can be mounted on a metal pole or wall. If an SRXU is configured, the
SRXU must be fixed to the RRU.
3.1.2 Space Requirements of the RRU and SRXU
In different installation modes, the RRU and SRXU have the minimal space requirements for
cabling and OM. Based on the engineering practice, Huawei offers the recommended space
requirements.
3.1.3 Cabling Specifications for the NodeB
This describes the cabling specifications for the power cables and PGND cables. The power
cables and signal cables must be routed in compliance with the cabling specifications to avoid
electromagnetic interference to the signals.
3.1.4 Requirements for the RRU Cabling on a Tower
This describes the requirements for the RRU cabling on a tower. Routing RRU cables on a tower
should meet certain requirements to prevent damages to the cables or prevent interference to the
signals.
3.1.5 Connections of RRU and SRXU Cables
This describes the cable connections between the RRU, SRXU, and other devices such as
BBU3806, external power supply, and antenna system.
3.1.6 Labels for DBS3836 Cables
This presents the types, appearance, and installation of the labels for DBS3836 cables. The labels
are attached to the power cable of the BBU3836, power cable of the RRU, E1 cable, CPRI optical
cable, and alarm cable.
3.1.1 Installation Modes of the RRU and SRXU
The RRU supports one-module, two-module centralized, and three-module centralized
installation modes. It can be mounted on a metal pole or wall. If an SRXU is configured, the
SRXU must be fixed to the RRU.
Installation Modes of One RRU
Figure 3-1
Issue 01 (2008-04-18)
NOTE
The metal pole or the wall on which the RRU is mounted must meet the following requirements:
The depth of the metal ranges from 30 mm to 40 mm and the outer diameter of the pole ranges from
l
60 mm to 114 mm.
The wall is made of the concrete and the minimum weight bearing capacity of the wall is 100 kg.
l
shows the installation modes of one RRU.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
3 Installing RRU and SRXU Hardware
3-3
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- Rru Equipment
- Appearance of the Rru
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