Huawei BTS3900A Installation Manual page 138

BTS3900A(Ver.B)
Installation Guide
Two BBUs are configured in a triple-mode base station. The new BBU is installed in the extension APM30H
cabinet, and it does not have monitoring functions. For details about monitoring principles, see Monitoring
Principles for the Cabinets.
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Issue 01 (2011-10-25)
NOTE
Install the monitoring signal cable between between the RFC and the extension RFC.
Connect one end of the cable to the COM_OUT port on the CMUA in the fan box of the
RFC and the other end to the COM_IN port on the CMUA in the fan box of the extension
RFC, as shown in Figure
Figure 12-46 Installing the monitoring signal cable in the scenario of 2 RFCs+2 APM30Hs
+4 IBBS200Ds/IBBS200Ts
Install the monitoring signal cable between the cascaded CMUAs between the APM30H
and the extension APM30H. Connect one end of the cable to the MON0 port on the UEIU
in the BBU in the APM30H and the other end to the COM_IN port on the CMUA in the
fan box of the extension APM30H, as shown in
Install the monitoring signal cable for the batteries between the extension APM30H and
the extension IBBS200D/IBBS200T. Connect one end of the cable to the COM_485 port
on the PMU in the extension APM30H and the other end to the COM_IN port on the CMUA
on the cabinet door of the lower extension IBBS200D/IBBS200T, as shown in
12-46.
Install the monitoring signal cable between the cascaded CMUAs between the extension
IBBS200D/IBBS200T and the extension IBBS200D/IBBS200T. Connect one end of the
cable to the COM_IN port on the CMUA on the cabinet door of the upper extension
IBBS200D/IBBS200T and the other end to the COM_OUT port on the CMUA on the
cabinet door of the lower extension IBBS200D/IBBS200T, as shown in
Attach labels to the installed cables. For details, see Attaching an L-Shaped Label.
Run each cable that leave the cabinet in a PVC corrugated pipe, and then tie the pipe to the
cable hole in the cabinet.
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12-46.
Figure
12 Installing the Cables
12-46.
Figure
Figure
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