Installing Rru Power Cables - Huawei DBS3900 Installation Manual

DBS3900 (ICR)
Installation Guide
----End

15.9 Installing RRU Power Cables

This section describes the procedures for installing RRU power cables, which feed DC power
to RRUs.
Context
Table 15-7
Table 15-7 Specifications of RRU power cables
Cable
RRU power
cable
Procedure
l
Issue 12 (2015-04-30)
6. Lay out the cables according to the instructions in
use cable ties to bind the cables.
7. Label the installed cables according to the instructions in Attaching an L-Shaped
Label.
lists the specifications of RRU power cables.
Power
Device
DCDU-12B EPC5 connector
DCDU-11B Tool-less female connector
DCDU-03B Bent OT terminal (M4)
NOTE
l Colors and structures of cables vary in different regions. If cables are purchased at local markets, they
must comply with local rules and regulations.
l The type of connector at the other end of an RRU power cable depends on the type of the RRU to which
the power cable is connected. For how to add a connector to an RRU power cable, see the related RRU
installation guide.
To install the power cable for a DC RRU, perform the following operations:
1. Open the cover plate of the RRU cabling cavity.
2. Cut the cable to a length suitable for the actual cable route.
3. Add a connector to each end of the RRU power cable.
4. 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.
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Connector on the Power
Device Side
(pressfit type)
15 Installing Cables
15.1 Cabling Requirements, and
Connector on the RRU
Side
Depending on the RRU
model
132