Figure 5-61 CPRI cable connections in the 3 x 20 MHz 4T4R configuration
CPRI Cable Connections in the GSM+UMTS Base Station
CPRI Cable Connections in the Co-Module GSM+UMTS Base Station
When the MRFUs support not more than three sectors, one WBBPb is configured. When the
MRFUs support more than three sectors, two WBBPbs or one WBBPd are configured.
When the MRFUs work in single-band mode and support three sectors, the CPRI ports are
connected in dual-star topology, as shown in Figure 5-62 and Figure 5-63.
Figure 5-62 Dual-star topology over CPRI ports (1)
BTS3900
Hardware Description 5 BTS3900 Cables
Issue 04 (2011-02-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5-43
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