Huawei DBS3900 Installation Manual page 266

DBS3900 LampSite
Installation Guide
Installing the cabinet horizontally
1.
Issue 08 (2016-05-30)
Figure 14-28 Installing the cabinet onto the metal grid
Install the mounting bracket onto the metal grid, as shown in Figure 14-29.
The mounting bracket is recommended to install onto the metal grid close to the round hole.
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14 (Optional) Installing the Cabinet and Cabinet Cables
259