Cpri Optical Cable; Figure 2-7 -48 V Dc Power Cable; Table 2-5 Pin Assignment For The Wires Of The -48 V Dc Power Cable (North American Standard); Table 2-6 Pin Assignment For The Wires Of The -48 V Dc Power Cable (European Standard) - Huawei RRU User Manual

2 RRU and SRXU Hardware
Figure 2-7 –48 V DC power cable
Pin Assignment
The -48 V DC power cable is a 2-wire cable.
assignment for the wires of the -48 V DC power cable.
Table 2-5 Pin assignment for the wires of the –48 V DC power cable (North American Standard)
Wire Type
NEG
RTN
Table 2-6 Pin assignment for the wires of the –48 V DC power cable (European Standard)
Wire Type
NEG
RTN
Installation Position
At one end of the cable, the OT terminal on the blue wire is connected to the NEG(-) port on the
cabling cavity of the RRU, and the OT terminal on the black or brown wire is connected to the
RTN(+) port on the cabling cavity of the RRU.
At the other end of the cable, a proper terminal is made depending on field requirements and is
then connected to the power supply on site.

2.3.3 CPRI Optical Cable

This describes the CPRI optical cable. It connects the BBU3836 to the RRU and transmits CPRI
signals between them.
Appearance
The CPRI optical cable is a multi-mode 2-wire cable with DLC connectors at both ends.
Figure 2-8
2-12
shows the CPRI optical cable.
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Copyright © Huawei Technologies Co., Ltd
Table 2-5 and Table 2-6
Wire Color
Blue
Black
Wire Color
Blue
Brown
RRU
User Guide
describes the pin
Issue 01 (2008-04-18)