Huawei Technologies Co. Ltd PRU11WIFI 用户手册
DBS3900 LampSite
Installation Guide
Installation Guide
8 Installing a pRRU3902 or pRRU3911 or
pRRU3911+WIFI
Issue 08 (2016-05-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
147
Figure 8-39
Installing a pRRU3902 into the cabinet
Step 3 Optional: Use T20 with hole screwdriver to lock the protection screw on the attachment plate.
The protection screw protects the pRRU3902 from being removed and must be locked if
required.
required.
Figure 8-40
Locking the protection screw
(1) M4 threaded hole
(2) Hole for self-tapping screws
(3) Quincunx screw