Installing An Rru Alarm Cable - Huawei DBS3900 Installation Manual

RRU3249
Installation Guide
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7.8 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
Issue DraftA (2015-05-30)
Figure 7-19 Installing an RRU AISG extension cable
5. Route the cables according to the instructions in 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.
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Figure 7-20.
7 Installing RRU Cables
51