Huawei DBS3900 Installation Manual page 35

DBS3900 LampSite
Installation Guide
Procedure
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Issue 08 (2016-05-30)
The following describes how to install an RHUB with mounting ears installed in reverse
mode:
If necessary, request one more person for assistance.
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.
Figure 6-19 Tightening screws
The following describes how to install an RHUB with mounting ears installed in
standard mode:
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 Figure 6-20.
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6 Installing an RHUB
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