Huawei Technologies Co. Ltd PRU11WIFI 用户手册

DBS3900 LampSite
Installation Guide

9 Installing a pRRU3907 or pRRU3916

Issue 08 (2016-05-30)

Huawei Proprietary and Confidential

184

Figure 9-11

Securing the separate mounting kit

(1) Nut

(2) Spring washer

(3) Flat washer

Step 4 Hold the pRRU, hang the two dowels on the top of the pRRU attachment plate onto the

separate mounting kit, and push the pRRU until it snaps into place, as shown by illustrations a
and b in Figure 9-12.

Step 5 Use the M6 inner hexagon screwdriver to tighten the screw on the top of the separate

attachment plate to 7 N·m (61.96 lbf·in.), as shown by illustration c in Figure 9-12.