RRU3832&RRU3632
Installation Guide
11 Powering On an RU
Issue 05 (2014-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
114
Figure 11-1
RU power-on check process
(a) The normal input voltage of an RU is -48 V DC. The voltage of the external power
supply should range from -36 V DC to -57 V DC.
(b) The RUN indicator on the RU is on for 1s and off for 1s. The ALM indicator is steady
off.