Huawei RRU3804 - AISG Extension Cable of the RRU3804;SRXU; Figure 2-10 AISG Extension Cable; Table 2-17 Pin Assignment for the Wires of the AISG Extension Cable

If both the RRU3804 and the SRXU are installed, the waterproof DB9 connector is linked to the
RET port at the bottom of the SRXU, and the standard AISG female connector is linked to the
corresponding connector on the RCU or to the AISG extension cable.
2.3.4 AISG Extension Cable of the RRU3804/SRXU
When the distance between the RCU and the RRU3804/SRXU is longer than 5 m, the AISG
multi-wire cable is not long enough to cover the distance and the AISG extension cable is used.
The AISG extension cable is 15 m long.
Appearance
One end of the AISG extension cable is a standard AISG male connector, and the other end is
a standard AISG female connector, as shown in Figure 2-10.
Figure 2-10 AISG extension cable
Pin Assignment
Table 2-17 describes the pin assignment for the wires of the AISG extension cable.
Table 2-17 Pin assignment for the wires of the AISG extension cable
X1 End
X2 End Wire Color Wire Type Remarks
X1.1 X2.1 White/blue Twisted pair +12 V
Blue
X1.7 X2.7 White/orange Twisted pair DC Return A
Orange
X1.3 X2.3 White/green Twisted pair RS485 B
X1.5 X2.5 Green RS485 A
X1.6 X2.6 White/brown Twisted pair +24 V
Brown
RRU3804
User Guide 2 RRU3804 and SRXU Hardware
Issue 01 (2007-11-29) Huawei Technologies Proprietary 2-19