Huawei DBS3900 Installation Manual page 141

DBS3900 (ICR)
Installation Guide
1.
2.
3.
Issue 12 (2015-04-30)
Cut the cable to a length suitable for the actual cable route.
Add a connector to each end of the RRU power cable.
Route the RRU power cable from the RRU side to the power equipment side through
the feeder window. Install a ground clip near the feeder window outside the equipment
room, and connect the PGND cable on the ground clip to the external ground bar. The
installation procedure of ground clip is as follows:
a. Use a wire stripper to strip 63 mm (2.48 in.) long jacket off the power cable to
expose the shield layer.
Figure 15-28 Stripping the jacket off the power cable
b. Wrap the copper sheet of the ground clip around the shield layer of the power
cable, and use cable ties to bind them tightly. Then trim off surplus part from the
heads of the cable ties without leaving any sharp edge.
Figure 15-29 Wrapping and tying the copper sheet of the ground clip
(1) Hole for a cable tie (12AWG/4 mm
2
in. )
c. Wrap three layers of waterproof tape and three layers of insulation tape around
the ground clip.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2
or 0.006 (2) Hole for a cable tie (≥ 6 mm
2
in. )
15 Installing Cables
2
or 0.009
136