Huawei DBS3900 Installation Manual page 30

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Installation Guide
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Issue 08 (2015-01-15)
1. With one hand holding it, align the mounting holes with the installation holes, slowly
push the RHUB3908 into the required position in the shelf.
2. 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 5-18 Tightening screws
The following describes how to install an RHUB3908 with mounting ears installed in
standard mode:
NOTE
If necessary, request one more person for assistance.
1. 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 5-19.
5 Installing an RHUB3908
5-18.
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