3
BBU3900 Equipment
About This Chapter
This describes the BBU3900 equipment. It is a baseband unit that implements communication
between the NodeB and the RNC.
The BBU3900 has the following functions:
l
Providing ports for data communication between the NodeB and the RNC
l
Providing the CPRI interface for communication between the BBU and the RRU or the
RFU
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Providing USB ports, one of which facilitates the upgrading of the NodeB when a USB
disk is inserted during software installation and data configuration
l
Providing OM channels between the BBU and the LMT or the M2000 to operate and
maintain the BBU
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Processing uplink and downlink baseband signals
l
Managing the entire NodeB system in terms of OM and signaling processing
l
Providing the system clock
The BBU3900, which has a case structure, is 19 inches wide and 2 U high.
BBU3900
Hardware Description
3 BBU3900 Equipment
Issue 11 (2010-11-10)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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