Ferrite Coreto Main KSULAN Cable30 - 50 mm(1.181″ - 1.969″)Pass 2 times< Bottom View >Exp. KSUEXIFE-C1 PCBFigure 2-18 Installing Ferrite Core1.5 Grounding and AC CablingThe ETH (Earth Ground Lug) is located near the power supply on each KSU. The Sub-Cover must beopened in order to access to it.1.5.1 Grounding the KSUEnsure all Main and Expansion KSU(s) are powered off and unplug the ACcord.In each KSU, connect the ETH lug to the verified grounding point using a minimum cable size of14AWG (Φ2.0 mm) wire.ETH Lug To EarthScrewFigure 2-19 ETH Lug• The grounding cable is supplier-provided.(not attached to the system)1. Loosen the screw.ISSUE 5.0 SL1100Hardware Manual 2-13