Table of Contents
Advertisement
Installation Manual - Hardware Installation
BBU3806 WCDMA Base Band Unit
You need have the ladder held or secured in the following cases:
If the ladder slants over 5 m horizontally,
if the two legs of it are over 3 m away, or
if the environment is dangerous.
Be sure to spread A-shape ladders fully, as shown in Figure 2.
Figure 2 Spread A-shaped ladder
The slant of the ladder is 75ÿ at best.
Measure the slant with the Angle Square or with arms, as shown in Figure 3.
When using the ladder, place the wider end of the ladder against the ground or take
protective measures on the base part of the ladder against skid.
Place the ladder against a stable and level ground. Never place a ladder on slippery
objects such as cartons and stones.
Figure 3 Ladder slant
When climbing the ladder,
Make sure that the gravity center of your body is within the ladder range.
Keep both feet and at least one hand on the ladder.
Do not climb beyond highest forth step.
Huawei Technologies Proprietary
12
Safety Precautions
Advertisement
Table of Contents
