Huawei RRU3269 - Page 132

RRU3269
Installation Guide
11 Powering On an RRU
Issue Draft B (2018-05-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
124
Figure 11-1 RRU power-on check process
(a) The normal input voltage of an RRU 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 RRU is on for 1s and off for 1s. The ALM indicator is steady
off.