2.1 Physical Exterior
The RRU has a modular structure. The external ports of the RRU are located at the bottom and
in the cabling cavity of the RRU.
Figure 2-1 shows the DC RRU.
Figure 2-1 DC RRU
 
Figure 2-2 shows the AC RRU.
2 Introduction to the RRU3908
RRU3908 V2
Hardware Description
2-2 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 02 (2010-10-25)