l If the fiber optic cables close to a device are too long, coil the excess of the cables and
secure them on the tower.
8.2 Cable Connections
This section describes the cable connections for a single RRU and multiple RRUs.
NOTE
A lower-level RRU obtains power directly from the external power system, but not from an upper-level
RRU using a power cable.
Figure 8-3 shows the cable connections for a single RRU.
Figure 8-3 Cable connections for a single RRU
(1) PGND cable
(2) RRU RF jumper (3) RRU AISG multi-wire cable
(4) RRU AISG extension cable (5) CPRI fiber optic cable (6) RRU power cable
Figure 8-4 shows the cable connections for multiple RRUs.
RRU3201
Installation Guide 8 Installing RRU Cables
Issue 06 (2012-04-16) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
67
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