Figure 3-30
CPRI port connection principles
CPRI Port Configuration Principles
In co-cabinet mode, the DRFUs/GRFUs and LRFUs use the configuration principles for the
CPRI ports on RFUs in GSM and LTE modes respectively.
In co-module mode, the CPRI port configuration principles are as follows:
l
The CPRI0 port on the MRFU is connected to the GTMU or UBRI for GSM data
transmission.
l
The CPRI1 port on the MRFU is connected to the LBBP for LTE data transmission.
The CPRI port configuration principles are shown in
.
Figure 3-31
Configuration principles for the CPRI ports on the MRFUs
Table 3-22
Configuration principles for the CPRI ports on the MRFUs
MRFU
Slot
Number
0
1
2
3
4
5
3 BTS3900 Hardware Configuration
BTS3900
Hardware Description
3-34
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Issue 04 (2011-02-15)