Ports
describes the three CPRI ports on the panels of the WBBPa and WBBPb.
Table 4-19
Ports on the panels of the WBBPa and WBBPb
Label
Connector Type
Description
CPRIx
SFP female
Data transmission port
between the BBU and the RF
module, supporting input and
output of optical and
electrical signals
describes the ports on the WBBPd.
Table 4-20
Ports on the WBBPd
Label
Connector Type
Description
CPRI0, CPRI1, CPRI2
CPRI3/EIH0, CPRI4/EIH1,
CPRI5/EIH2
SFP female
Data transmission port
between the BBU and the RF
module, supporting input and
output of optical and
electrical signals
NOTE
The six CPRI ports are available on the WBBPd configured only in slot 2 or 3, and the CPRI ports are not
available on the WBBPd configured in other port.
LBBP
The LTE BaseBand Processing unit (LBBP) in the BBU3900 processes the baseband signals.
Panel
The LBBP has two types of panels, as shown in
Figure 4-13
Panel of the LBBPb
CPRI 0
CPRI 1
CPRI 2
CPRI 3
CPRI 4
CPRI 5
TX
RX TX
RX TX
RX TX
RX TX
RX TX
RX
LBBP
RUN
ALM
ACT
LBBPb
Figure 4-14
Panel of the LBBPc
CPRI 0
CPRI 1
CPRI 2
CPRI 3
CPRI 4
CPRI 5
TX
RX TX
RX TX
RX TX
RX TX
RX TX
RX
LBBP
RUN
ALM
ACT
LBBPc
4 BTS3900 Components
BTS3900
Hardware Description
4-20
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Copyright © Huawei Technologies Co., Ltd.
Issue 04 (2011-02-15)