Installation Position
The AISG female connector is linked to the corresponding connector on the RCU, and the AISG
male connector is linked to the AISG female connector of the AISG multi-wire cable.
2.3.5 BBU3806-RRU/SRXU CPRI Optical Cable
The CPRI optical cable transmits CPRI signals between BBU3806 and RRU3801C, between
BBU3806 and RRU3804, and between RRU3804 and SRXU.
Appearance
The CPRI optical cable is a multi-mode 2-wire cable with DLC connectors at both ends.
Figure 2-11 shows the CPRI optical cable.
Figure 2-11 CPRI optical cable
Pin Assignment
Table 2-18 describes the pin assignment for the fiber tails.
Table 2-18 Pin assignment for the fiber tails
Label
Color Connect to...
1A Orange RX port on the RRU
1B Gray TX port on the RRU
2A Orange TX port on the BBU3806
2B Gray RX port on the BBU3806
Connections of BBU3806-RRU CRPI Optical Cable in Typical Configurations
The connections of the CPRI optical cable between the BBU3806 and the RRU depend on
specific networking modes.
Figure 2-12 and Figure 2-13 show the connections of the optical cable between the BBU3806
and the RRU in two typical configurations.
2 RRU3804 and SRXU Hardware
RRU3804
User Guide
2-20 Huawei Technologies Proprietary Issue 01 (2007-11-29)
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