User guide

Planning 1+1 Hot Standby links Chapter 2: Planning considerations
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phn-2513_004v000 (Oct 2012)
ODUs with separate direct mount antennas
May be used to provide Spatial Diversity. The ODUs mounts directly to the back of the
antennas (Figure 55).
The antenna connected to the Secondary ODU may have lower gain if space on the mast is
an issue. Although antennas may have different gains, the polarizations must be the same.
Figure 55 ODUs with separate direct mount antennas (schematic)