5. Route the cables according to the instructions in 8.1 Cabling Requirements and then
use cable ties to bind the cables.
6. Label the installed cables according to the instructions in Attaching an L-Shaped
Label.
----End
8.8 Installing an RRU Alarm Cable
This section describes the procedure for installing an RRU alarm cable.
Procedure
Step 1 Use an M3 Phillips screwdriver to loosen the screws on the dustproof cap on the EXT_ALM
port and remove the dustproof cap.
Step 2 Connect the waterproof DB15 connector at one end of the RRU alarm cable to the
EXT_ALM port on the RRU, as shown in Figure 8-22.
Figure 8-22 Installing an RRU alarm cable
NOTE
Install the waterproof DB15 male connector on the RRU alarm cable with caution, preventing the pin assignment
from being damaged.
Step 3 Use an M3 Phillips screwdriver to tighten the posts on both sides of the waterproof DB15 male
connector to 0.4 N·m (3.54 lbf·in.).
8 Installing RRU Cables
Issue () Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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