Ground the chassis before you install power supplies or connect
power and network cables to the system.
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Locate the grounding point at
the rear of the chassis, which is marked by the international symbol for earth
ground.
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Insert a retaining screw into
the grounding point, but do not tighten the reataining screw completely.
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Strip the insulation to expose
1/2 inch (12 mm) of bare wire at one end of the grounding wire.
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Use a straight-tip torque
screwdriver to tighten the retaining screw to 20 in‑lb (2.25 N m).
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Connect the other end of the grounding wire to a known reliable earth ground
point at your site.
