Huawei RRU Hardware Maintenance Manual page 38

RRU
Hardware Maintenance Guide
The following figure shows how to replace the RRU on the right.
Step 4 Install all cables for the blade RRU by referring to the section "Installing RRU Cables" in a
related RRU installation guide.
Step 5 Waterproof the ports for the RRU RF jumper by referring to the section "Installing an RRU
RF Jumper" in a related RRU installation guide.
Step 6 Waterproof the ports for the alarm cable by referring to
Issue 16 (2015-03-23)
Remove the general mounting brackets of the faulty RRUs and install blade RRUs and
mounting kits by following the steps provided in the installation guide of the
corresponding RRU, as shown in
Figure 4-22 Installing board RRUs (replacing RRUs at two sides)
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Figure 4-22.
Figure
4 Replacing an RRU
4-23.
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