Grounding for Indoor/Outdoor Units Chapter 18
FA4800 User Manual Release 1.9.40 18-2
Figure 18-1: Grounding antenna cables
Grounding for Indoor/Outdoor Units
ODU Grounding
Ceragon Lightning Protection System uses a Shielded CAT-5e cable to interconnect the Out-
door (ODU) and Indoor (IDU) units.
However, this shielding does not provide a good lightning discharge path, since it can not tol-
erate the high Lightning Current surges.
To provide an alternate Lightning Discharge path, the ODU and antenna grounding posts
should be connected to ground point by a 10 AWG short copper wire.
The device should be permanently connected to ground.
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