Huawei DPU40D-N06A3 User Manual page 16

DPU40D-N06A3, DBU20B-N12A3, and
DBU50B-N12A1 Distributed Power System
User Manual




Drilling Holes
When drilling holes into a wall or floor, observe the following safety precautions:
Do not drill holes into the equipment. Doing so may affect the electromagnetic shielding of
the equipment and damage components or cables inside. Metal shavings from drilling may
short-circuit boards inside the equipment.


Moving Heavy Objects

Issue 04 (2020-02-29)
Keep your body steady.
Do not climb higher than the fourth rung of the ladder from the top.
To climb onto a roof, ensure that the ladder top is at least one meter higher than the roof
line, as shown in the following figure.
Ensure that your body's center of gravity does not shift outside the legs of the ladder.
Wear goggles and protective gloves when drilling holes.
When drilling holes, protect the equipment from shavings. After drilling, clean up any
shavings that have accumulated inside or outside the equipment.
Be cautious to avoid injury when moving heavy objects.
Copyright © Huawei Technologies Co., Ltd.
1 Safety Precautions
10