User guide

Planning 1+1 Hot Standby links Chapter 2: Planning considerations
2-36
phn-2513_004v000 (Oct 2012)
ODUs coupled to single direct mount antenna
The coupler mounts directly to the back of the antenna (Figure 53).
Choose equal or unequal couplers. The unequal coupler provides a better link budget
(nominally 6 dB) for the Primary ODUs at the expense of the link budget of the Secondary
ODUs.
Figure 53 ODUs coupled to single direct mount antenna (schematic)