Huawei DBS3900 Installation Manual page 32

DBS3900 LampSite
Installation Guide
l
Issue 06 (2015-10-30)
a. With one hand holding it, align the mounting holes with the installation holes,
slowly push the RHUB into the required position in the shelf.
b. Use a torque screwdriver or Phillips screwdriver to tighten the four M6×16 screws
with a torque of 2 N•m, as shown in
Figure 6-19 Tightening screws
The following describes how to install an RHUB with mounting ears installed in
standard mode:
NOTE
If necessary, request one more person for assistance.
a. Remove the mounting ears on both sides of the RHUB by removing the four M4×8
screws, as shown in
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Figure
Figure 6-20.
6 Installing an RHUB
6-19.
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