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Installing the RRU Cables
b
Opening the Cover Plate
of the RRU Cabling Cavity
d
Cable Connections on the RRU
Use the power cable clip to press the
shielding layer tightly and ensure that
the lower part of the shielding layer does
not exceed the position shown in the
preceding figure.
Ground the shielding layer at the
other end of the power cable.
Do not remove the dustproof cap from
the idle antenna port, and use the
waterproof tape to wrap the joint.
For details on how to add OT
terminals to the power cable of the RRU,
see page 23 " Adding OT Terminals by
Using a Wire Stripper."
When wrapping the waterproof tape,
apply even force to extend the tape until
the width of the tape is 1/2 of the
original width.
Wrap the joint spirally upward,
downward, and then upward again. In
other words, the joint is wrapped by
three layers of the tape. Ensure that the
two immediate layers overlap with each
other about half the width of the tape.
For details, see page 25 "Waterproofing
Outdoor Cables."
Install the optical module before
installing the optical cables. For details,
see page 25 "Installing the Optical
Module."
M4
Cover plate of the
cabling cavity
Cabling cavity
Label for preparing
the power cable
CPRI optical cable
c
Cabling Cavity of the RRU
Shielding
layer of the
power cable
Power cable
RF jumper
17
Cable troughs for
power cables
Cable troughs for
optical cables
Cable troughs for
power cables
cable clip
Waterproofing filler
First wrap the joint
with the waterproof
tape, and then
wrap the joint with
the PVC insulating
After the cables
tape.
are installed on
the RRU, insert
the waterproofing
fillers into the idle
cable troughs.
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