Figure 12-34 Configurations of two RFCs, two APM30Hs, and two IBBS200Ds/IBBS200Ts
NOTE
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.
1. Install the monitoring signal cable between the 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
extension IBBS200D/IBBS200T.
BTS3900A(Ver.B)
Installation Guide 12 Installing the Cables
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
119
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