Huawei DBS3900 Installation Manual page 58

RRU3249
Installation Guide
l
Issue DraftA (2015-05-30)
3. Use an M3 Phillips screwdriver to tighten the posts on both sides of the waterproof
DB9 connector to 0.4 N·m (3.54 lbf·in.).
4. Connect the other end of the cable to the standard AISG male connector on the RCU.
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.
Install an AISG multi-wire cable that is configured with an AISG extension cable.
1. Use an M3 flat-head screwdriver to loosen the screws on the dustproof cap on the RET
port and remove the dustproof cap.
2. Link the waterproofed DB9 connector at one end of the AISG multi-wire cable to the
RET port on the RRU bottom, and link the other end to the standard AISG male
connector of the AISG extension cable, as shown in
Figure 7-18 Installing an RRU AISG multi-wire cable
3. Use an M3 Phillips screwdriver to tighten the posts on both sides of the waterproof
DB9 connector to 0.4 N·m (3.54 lbf·in.).
4. Connect the other end of the AISG extension cable to the standard AISG male
connector on the RCU, as shown in
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Figure
Figure 7-19.
7 Installing RRU Cables
7-18.
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