l If the RRU3804 needs to be installed on a metal pole, the PGND cable of the metal pole is
connected.
Context
The RRU3804 module can be installed in either ordinary mode or reverse mode. In reverse mode,
the front side of the RRU3804 is fixed to the mounting plate. Figure 3-22 shows two RRU3804s
with one in ordinary mode and the other in reverse mode.
Figure 3-22 One RRU3804 in ordinary mode and the other in reverse mode
NOTE
l Before installation, the plastic housing of the RRU3804 is already fixed to the module. The previous
figure omits the plastic housing for a better illustration of ordinary and reverse modes.
l Before delivery, the plastic housing of the RRU3804 is fixed in the assumption that the RRU3804 needs
be installed in ordinary mode. If you want to install the RRU3804 in reverse mode, remove the plastic
housing first.
Procedure
Step 1 Use two screws M6 x 20 to secure the attachment plate on the module, as shown in Figure
3-23.
3 Installing RRU3804 and SRXU Hardware
RRU3804
User Guide
3-22 Huawei Technologies Proprietary Issue 01 (2007-11-29)