Huawei DBS3900 Installation Manual page 41

DBS3900 (ICR)
Installation Guide
Table 3-31 12 DC RRUs (in UMTS/LTE mode)
Position
ICR 1
ICR 2
Figure 3-30 Triple-mode scenario (12 DC RRUs)
Table 3-32 12 DC RRUs (in GSM/UMTS/LTE mode)
Position
ICR 1
ICR 2
RRUs Installed Independently (IFS06+RRUs)
l
In this scenario, a single IFS06 supports three or six DC RRUs.
where six DC RRUs are installed. When only three DC RRUs need to be installed, they are
installed at the lower layer.
Issue 12 (2015-04-30)
NOTE
In triple-mode scenarios, when two ICRs are used, two BBUs are installed separately in two IMB03s. BBU
0 (primary BBU) is installed on the left IFS06, and BBU 1 (secondary BBU) is installed on the right IFS06,
as shown in Figure 3-30.
IFS06+DC RRUs
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3 Information to Be Known Before the Installation
Co-Cabinet of UMTS and LTE
6 RRU3804s
6 RRU3201s
GU+LTE
6 RRU3908s
6 RRU3201s
GL+UMTS
6 RRU3908s
6 RRU3804s
Figure 3-31 shows the scenario
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