Figure 5-55
Star topology over CPRI ports
When the WRFUs work in single-band mode and support not more than three sectors (two
WRFUs for each sector) in a base station with MIMO supported, or when the bandwidth and
carriers are expanded, the CPRI ports are connected in chain topology, as shown in
Figure 5-56
Chain topology over CPRI ports
5 BTS3900 Cables
BTS3900
Hardware Description
5-40
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Issue 04 (2011-02-15)