Huawei BTS3900C Hardware Description page 54

BTS3900C (Ver.C)
Hardware Description
Figure 3-21 Panel of the WBBPb
Figure 3-22 Panel of the WBBPd
Figure 3-23 Panel of the WBBPf
Functions
The WBBP performs the following functions:
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Issue 03 (2013-05-27)
NOTE
l The WBBPb1, WBBPb2, WBBPb3, and WBBPb4 have silkscreens WBBPb1, WBBPb2,
WBBPb3, and WBBPb4 indicating their board types on the lower left corner of the board panel,
respectively.
l The WBBPd1, WBBPd2, and WBBPd3 have silkscreens WBBPd1, WBBPd2, and WBBPd3
indicating their board types on the lower left corner of the board panel, respectively.
l The WBBPf1, WBBPf2, WBBPf3, and WBBPf4 have silkscreens WBBPf1, WBBPf2, WBBPf3, and
WBBPf4 indicating their board types on the lower left corner of the board panel, respectively.
Provides CPRI ports for communication with RF modules, and supports CPRI ports in 1
+1 backup mode.
Processes uplink and downlink baseband signals.
The WBBPd supports interference cancellation (IC) within the board.
When the WBBPd is installed in slot 2 or 3 and is connected to an RF module, the WBBPd
supports the IC of uplink data.
The WBBPf installed in slot 2 or slot 3 supports the baseband interconnection between
BBUs.
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3 BTS3900C Modules
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