Pin Assignment
Table 2-13 describes the pin assignment for the wires of the DC power cable.
Table 2-13 Pin assignment for the wires of the DC power cable
X1 End X2 End Wire Color Wire Type Remarks
X1.6 X2.6 White and blue Twisted pair DC Power
Cable
Blue
X1.7 X2.7 White and
orange
Twisted pair GND
Orange
Installation Position
One end of the DC power cable is connected to the RET/PWR_SRXU port at the bottom of the
RRU, and the other end is connected to the PWR_SRXU socket at the bottom of the SRXU.
2.4.3 AISG Multi-Wire Cable of the RRU/SRXU
The five-meter-long AISG multi-wire cable connects the RRU/SRXU to the Remote Control
Unit (RCU). If both RRU and SRXU are installed, the AISG multi-wire cable only connects the
SRXU and the RCU. This cable is optional.
Appearance
The cable has a waterproof DB9 connector at one end and a standard AISG female connector at
the other end, as shown in Figure 2-17.
Figure 2-17 AISG multi-wire cable
Pin Assignment
Table 2-14 describes the pin assignment for the wires of the AISG multi-wire cable.
RRU
User Guide 2 RRU and SRXU Hardware
Issue 01 (2008-04-18) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
2-21
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