RADWIN 5000 HPMP User Manual Release 3.1.00 9-3IDU Grounding Chapter 9IDU GroundingThe IDU’s grounding post should be connected to the internal ground point, using a ground-ing wire of at least 10 AWG. The grounding wire should be connected to a grounding rod orthe building grounding system.The device should be permanently connected to ground.External Lightning Surge Suppressors and GroundingA Grounding Kit and Surge Arrestor Unit must be located near the ODU and properlygrounded as illustrated in Figures 9-2 and 9-3 below: