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RRU3269
Installation Guide
Do not remove dustproof caps from vacant antenna connectors.
Figure 7-15 Waterproofing a dustproof cap
(1) Dustproof cap
l Before wrapping waterproof tape, stretch the tape evenly until the length of the tape becomes twice its
l Do not stretch the PVC insulation tape when wrapping the PVC insulation tape.
l Wrap each layer of tape around the connector tightly and neatly, and ensure that each layer of tape overlaps
l Ensure that the adhesive surface of the tape overlaps the lower layer.
l When cutting off the cable ties, reserve a redundant length of 3 mm (0.12 in.) to 5 mm (0.2 in.).
1.
2.
3.
4.
Step 5 Route the cables according to the instructions in
ties to bind the cables.
Step 6 Label the installed cables according to the instructions in Attaching a Sign Plate Label.
Issue Draft A (2014-10-31)
NOTICE
NOTE
original length.
more than 50% of the preceding layer. Ensure that neighboring layers are stuck to each other.
Verify that dustproof caps are not removed.
Wrap three layers of waterproof tape on the connector, first from bottom up, then from top
down, and finally from bottom up. Wrap each connector with three layers of waterproof
tape, from bottom up, then from top down, and finally from bottom up. Do not cut the tape
until all the three layers of the tape are already wrapped. Cut off the redundant tape after
three layers are wrapped. Wrap each layer of tape around the connector tightly.
Wrap three layers of PVC insulation tape. Wrap each connector with three layers of
waterproof tape, from bottom up, then from top down, and finally from bottom up. Do not
cut the tape until all the three layers of the tape are already wrapped. Cut off the redundant
tape after three layers are wrapped. Wrap each layer of tape around the connector tightly.
Start binding cable ties to the cable at a position 3 mm (0.12 in.) to 5 mm (0.2 in.) away
from one end of the PVC insulation tape.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
(2) Waterproof tape
7.1 Cabling
7 Installing RRU Cables
(3) PVC insulation tape
Requirements, and then use cable
49
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