Configuration Principles For The Cpri Ports On The Rfu In The Gsm+Lte Base Station; Table 3-21 Configuration Principles For The Cpri Ports On The Mrfus (2) - Huawei BTS3900 V100R003 Hardware Description

BTS3900
Hardware Description
3.5.6 Configuration Principles for the CPRI Ports on the RFU in the
GSM+LTE Base Station
When a base station works in GSM+LTE mode, the RFUs in the cabinet are the MRFUs, and
the boards configured in the BBU are the GTMU, UBRI, LMPT, and LBBP.
Basic CPRI Port Connection Principles
l
l
l
Figure 3-30
mode.
Issue 04 (2011-02-15)
Figure 3-29 Configuration principles for the CPRI ports on the MRFUs (2)

Table 3-21 Configuration principles for the CPRI ports on the MRFUs (2)

MRFU 0
Slot
Number
Number CPRI0
of the
CPRI
Port on
the
GTMU
Number CPRI0
of the
WBBPd
in Slot3
The MRFUs can work in the dual-star topology rather than chain topology.
When the MRFU works in the dual-star topology, the signals in the same mode cannot be
transmitted over two CPRI links.
MRFUs cannot be connected to RRUs.
shows the CPRI port connection principles for the MRFUs working in GSM+LTE
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Copyright © Huawei Technologies Co., Ltd.
1 2
CPRI1 CPRI2
CPRI1 CPRI2
3 BTS3900 Hardware Configuration
3 4
CPRI3 CPRI4
CPRI3 CPRI4
5
CPRI5
CPRI5
3-33