Zte ZXSDR R8854 Hardware Installation page 37

Figure 4-24 Installing the Pole Component (2)
When tightening the nuts, you need to adjust the position of the screws and ensure
that the exposed lengths of the screws on both sides of the fixing clip are the same.
Otherwise, RRU installation may be affected.
Installing the RRU Support
4. Fix the RRU support to the back of the RRU with four M6 screws with a torque of 8
N•m, see
SJ-20160405141455-003|2018-01-03 (R1.3)
Note:
Figure 4-25.
4-19
ZTE Proprietary and Confidential
Chapter 4 RRU Installation