Huawei DBS3900 Installation Manual page 21

DBS3900 LampSite
Installation Guide
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Installing an RHUB in a 19-Inch Cabinet or Rack
Installing an RHUB in a 19-inch cabinet or rack: Secure the mounting ear to the mounting
bracket by using M6 screws.
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Figure 6-4 and Figure 6-5 show RHUBs installed in a cabinet or rack, respectively.
Issue 08 (2016-05-30)
Figure 6-2 Installing mounting ears in standard mode
In reverse mode, the front of the mounting ear is 31 mm away from the RHUB panel, as
shown in Figure 6-3.
Figure 6-3 Installing mounting ears in reverse mode
If there are no other modules installed in the 1 U space near the RHUB, install the
RHUB directly. Otherwise, remove the modules before installing the RHUB.
Before installation, you need to check the installation mode supported by the rack and
adjust the position of the mounting ear.
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6 Installing an RHUB
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