Procedure
Step 1 Install the monitoring signal cable between the cascaded CMUAs between the TMC11H and
the RFC. Connect one end of the cable to the COM_IN port on the CMUA in the fan box of the
TMC11H and the other end to the COM_OUT port on the CMUA in the fan box of the RFC, as
shown in Figure 12-37.
Figure 12-36 Installing the monitoring signal cable in the scenario of 1 RFC+1 APM30H+1
TMC11H
Step 2 Attach labels to the installed cables. For details, see Attaching an L-Shaped Label.
Step 3 Run each cable that leave the cabinet in a PVC corrugated pipe, and then tie the pipe to the cable
hole in the cabinet.
Step 4 If two RFCs, two APM30Hs, and one TMC11H are configured on site, two more monitoring
signal cables are required. Figure 12-37 shows the configurations of the cabinets.
BTS3900A(Ver.B)
Installation Guide 12 Installing the Cables
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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