RRU3269
Installation Guide
9 Installing RRU Cables
Issue Draft B (2018-05-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
118
Figure 9-29
Installing an RRU power cable
Ensure that the exposed shield layer of the power cable is properly tightened using the clip.
Step 2
Connect the connector at the other end of the RRU power cable to the corresponding position
on the power device.
A DCDU-11B/DCDU-12B can supply power to a maximum of six RRUs. Ensure that the RRU
power cable is connected to one of
LOAD0
to
LOAD5
ports on the DCDU-11B/DCDU-12B.
When the EPU supplies power, the maximum number of RRUs that can be connected to the EPU
depends on the cabinet type. For details about RRU power cable connections, see
DBS3900
Installation Guide
or
DBS5900 Installation Guide
.
Step 3
Route the cables according to the instructions in 9.1 Cabling Requirements.
Step 4
Label the installed fibers according to the instructions in Attaching a Cable-Tying Label.
----End
9.12 Closing the Cover Plate of an RRU Cabling Cavity
This section describes the procedure for closing the cover plate of an RRU cabling cavity.
Procedure
Step 1
Close the clips for the installed cables. Use an M4 torque screwdriver to tighten the screws on
each clip to 1.4 N·m (12.39 lbf·in.), as shown in Figure 9-30.
Ensure that the exposed shield layer of the power cable is properly tightened using the clip.