7To connect the grounding cable:1. Use a Phillips screwdriver to remove the grounding screw fromgrounding hole in the rear panel of the chassis. Use thegrounding screw to attach the ring terminal of the groundingcable to the grounding hole. Fasten the grounding screw into thegrounding hole.2. Use needle-nose pliers to make a loop at the other end of thecable.3. Remove the hex nut from a grounding post on the groundingstrip. Attach the loop to the grounding post and fasten the hexnut.Figure 5 Connecting the grounding cableConnecting the power cordConnecting the AC power cordThe S16G-U, S24-U, and S24G-U switches support AC power input.To connect the AC power cord:1. Make sure the switch is reliably grounded.2. Connect one end of the AC power cord to the AC powerreceptacle on the switch.3. Connect the other end of the AC power cord to an AC powersource.