Huawei DBS3900 Installation Manual page 66

RRU3260
Installation Guide
Step 4 Install the metal sheet for neighboring RUs, as shown in
Figure 8-19 Installing the metal sheet
(1) Screw
1.
2.
3.
Step 5 Install the second set of RU mounting brackets above or below the first set of RU mounting
brackets and maintain a space equal to or greater than 80 mm (3.15 in.) between the two sets
of brackets, as shown in
Figure 8-20 Installing the second set of RU mounting brackets
Issue 05 (2014-06-30)
Use an M6 Phillips screwdriver to loosen the screw on the metal sheet farther from the
handle of the first RU and remove the screw.
Use an M6 Phillips screwdriver to loosen the screw on the metal sheet closer to handle of
the first RU. Then rotate the metal sheet to align the vacant hole in the metal sheet with a
hole on the top of the third RU.
Insert the removed screw into the hole on the top of the third RU and use an M6 torque
screwdriver to tighten the screw to 5 N· m (44.25 lbf· in.).
Figure
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(2) Metal sheet
8-20.
8 Installing the RU
Figure 8-19.
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