Huawei DBS3900 Installation Manual page 142

LampSite
Site Maintenance Guide
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Issue 05 (2015-01-15)
Figure 6-1 Removing the mounting ear
5. Remove the RHUB3908 from the rack.
6. Install the new RHUB3908. For details, see LampSite Installation Guide.
NOTICE
Take proper ESD protection measures, such as wearing an ESD wrist strap or ESD
gloves to prevent electrostatic damage to the boards, modules, or electronic
components.
7. Connect all the cables to the new RHUB3908 according to the recorded installations.
8. Power on the RHUB3908 by referring to
9. Determine whether the new RHUB3908 is working properly according to the indicator
status on the RHUB3908. For details about the indicator status, see RHUB3908 Ports
and Indicators in LampSite Hardware Description.
Replace the RHUB3908 installed on a wall.
1. Power off the RHUB3908 by referring to
2. Record the cable connections.
3. Take insulation measures, and then remove all cables from the RHUB3908.
4. Use a torque wrench or socket wrench to remove the four expansion bolts on the
mounting ear, and then remove the RHUB3908, as shown in
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6 Replacing the RHUB3908
4.1 Powering On the RHUB3908.
4.2 Powering Off the
Figure
RHUB3908.
6-2.
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