Huawei DBS3900 Installation Manual page 195

DBS3900(ICR)
Installation Guide
Context
l Fix a DIN connector near the cable rack before fixing another DIN connector far from the
l The three wire clips in the middle of the cable trough are used for routing feeders. Each wire
l The minimum bending radius of the antenna jumper is 100 mm.
l When the STMA or Smart Bias-Tee (SBT) is used and the coaxial cable is used for the RET
Procedure
l
Issue 01 (2011-03-30)
CAUTION
cable rack when installing the antenna jumper for the DC RRU. Pre-bend the RF jumper
before connecting it to the RRU.
clip holds four feeders. You must install the feeders on the lower level before installing the
feeders on the upper level.
antenna of the RRU3201, OOK signals are required. In this case, the ANT_TX/RXA port is
used for communications of the RET antenna.
Installing the antenna jumper for the DC RRU
1. Connect one end of the antenna jumper to the ANT_TX/RXA and ANT_RXB ports
at the bottom of the RRU.
2. Connect the other end to the feeder or antenna, as shown in
TIP
Pre-bend the feeder before tightening the feeder connector.
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15 Installing Cables
Figure 15-40.
15-65