Scenario of RRU Cabling on a Tower
In RRU installation scenarios, if you choose to install the RRU on the mast of a tower, you need
to route the RRU cables on the tower. Figure 3-12 shows the installation scenario.
Figure 3-12 Scenario of RRU cabling on a tower
In this scenario, you should install the following cables on the tower:
l CPRI optical cable between the BBU and the RRU.
l RRU power cable.
Requirements for Routing Cables Through the Cable Hole at the Bottom of the
Cabinet
Routing RRU cables through the cable hole at the bottom of the cabinet should meet the following
requirements:
l If you route the cable through the cable hole at the bottom of the cabinet, coat the cable
with the PVC protection tube, as shown in Figure 3-13.
3 Installing RRU and SRXU Hardware
RRU
User Guide
3-14 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
Issue 01 (2008-04-18)
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