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RRU3908 V2
Hardware Maintenance Guide
3
Powering On and Powering Off the RRU
About This Chapter
This describes how to power on and power off the RRU. When powering on the RRU, you should
check the power supply voltage of the RRU and the status of the LEDs on the RRU. When
powering off the RRU, you can perform normal power-off or emergency power-off operation
based on field requirements.
3.1 Powering On the RRU
You need to power on the RRU and check the running status of the RRU according to the status
of the LEDs.
3.2 Powering Off the RRU
This describes how to power off the RRU and check the RRU status. The RRU power-off is
classified into normal power-off and emergency power-off.
Issue 01 (2010-04-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3 Powering On and Powering Off the RRU
3-1
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