RRU3269
Installation Guide
3 Information About the Installation
Issue Draft B (2018-05-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Optical/electrical port 1, connected to a
lower-level RRU or the BBU
For details, see 3.3 RRU Indicators.
The port for transmitting RET signals is determined by the software.
Connect the CPRI0 port to the BBU by default in the single-mode scenario.
3.3 RRU Indicators
This section describes six indicators on an RRU. They indicate the running status of the RRU.
For detailed positions of RRU indicators, see 3.2 RRU Ports.
Table 3-2 describes RRU indicators.
Table 3-2 RRU Indicators
The power input is available, but the board
is faulty.
No power input is available , or the board is
faulty.
Blinking (on for
1s and off for 1s)
The board is running properly.
Blinking (on for
0.125s and off for
0.125s)
The board software is being loaded , or the
board is not working.
Alarms are generated, and the module must
be replaced.
Blinking (on for
1s and off for 1s)
Alarms are generated. The alarms may be
caused by faults on the related board or
ports. Therefore, you need to locate the
fault before deciding whether to replace the
module.