Huawei DBS3900 Installation Manual page 95

DBS3900 LampSite
Installation Guide
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Issue 08 (2016-05-30)
The pRRU housing and the RF daughter board can be secured using either Phillips screws or
protection screws, requiring the same installation operations. This section uses Phillips screws as an
example to describe the installation operations.
Keep the Phillips screw secure for future use.
Use the M4 Phillips screwdriver to loosen the Phillips screws on the RF daughter board,
as shown in Figure 7-25.
Figure 7-25 Loosen the Phillips screws
Use the left hand to hold the RF daughter board and the right hand to hold the right
handle of the RF daughter board to remove the RF daughter board and put it into an ESD
box or bag, as shown in Figure 7-26.
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7 Installing a pRRU3901
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