Huawei BTS3900A Installation Manual page 150

BTS3900A(Ver.B)
Installation Guide
The inter-RFU RF signal cables are already installed in the cabinet according to the site configurations before
delivery. You only need to check whether the cables are properly connected on site.
Figure 12-61 Installing the RF jumpers on the RFUs that are not interconnected
1.
2.
Issue 01 (2011-10-25)
NOTE
Link the DIN connector of the jumper to the ANT port on the panel of the RFU.
Use a 32 mm wrench or torque wrench to fix the two DIN connectors from bottom to top.
Ensure that the tightening torque reaches 25 N·m to 35 N·m.
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12 Installing the Cables
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