Figure 14-43 Installing a monitoring signal cable for the RRU
Step 2 Route and bind the cables. For details, see 13.5.1 Cabling Requirements.
Step 3 Label the installed cables. For details, see Attaching an L-Shaped Label.
Step 4 Run each cable that leaves the cabinet in a PVC corrugated pipe, and then tie the pipe to the
cable hole on the cabinet.
----End
14.5.5 Installing a Surge Protection Transfer Cable Between the
CMUA and the SLPU
The surge protection transfer cable between the CMUA and the SLPU connects the CMUA to
the USLP2, enabling surge protection of the monitoring signals.
Procedure
Step 1 Install the surge protection transfer cable between the CMUA and the SLPU, as shown in Figure
14-44.
1. Connect one end of the surge protection transfer cable between the CMUA and the SLPU
to the COM IN port on the CMUA.
2. Connect the other end to the OUT1 port on the USLP2 in the SLPU.
DBS3900 (Ver.B)
Installation Guide
14 Indoor Scenario with DC Power Supply (BBU Installed
Indoors and RRU Powered Outdoors)
Issue 06 (2011-09-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
534
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