Huawei BBU3900 Installation Manual page 32

Installing the BBU on the Wall
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Installing the DCDU-03B Case
1. Installing the mounting
ears for the DCDU-03B.
3. Install the expansion bolt.
M6x12
2 N•m
Bolt M6×60
Nut
Spring washer 6
Flat washer 6
Expansion tube
2. Place the mounting ears for wall
installation against the wall, and then
use the marker to mark the holes of the
mounting ears for wall installation.
4. Install the DCDU-03 on the wall.
31
Wall