H3C S6520-EI Series Installation Manual

Contents

111. Attach the two-hole grounding lug at one end of the grounding cable to a grounding point on theswitch chassis (see "Connecting the grounding cable to the chassis").2. Remove the hex nut of a grounding post on the grounding strip.3. Attach the ring terminal at the other end of the grounding cable to the grounding strip throughthe grounding post, and fasten the ring terminal with the removed hex nut.Figure 11 Connecting the grounding cable to a grounding strip(1) Hex nut (2) Ring terminal(3) Grounding post (4) Grounding stripNOTE:• As a best practice, use the primary grounding point or auxiliary grounding point 1, because thegrounding cable and grounding screw provided with the switch are applicable only to these twogrounding points.• To use auxiliary grounding point 2 on the switch, prepare a grounding cable yourself. Theconnection method is the same as connecting to the other two grounding points.Grounding the switch by using the AC power cordIf the installation site has no grounding strips, you can ground an AC-powered switch through theprotective earth (PE) wire of the power cord, but must make sure:• The power cord has a PE terminal.• The ground contact in the power outlet is securely connected to the ground in the powerdistribution room or on the AC transformer side.• The power cord is securely connected to the power outlet.NOTE:If the ground contact in the power outlet is not connected to the ground, report the problem andreconstruct the grounding system.