H3C Technologies H3C S5120 Series Switches - Manual (Page 41)

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Connecting the power cord
Connecting an AC power cord
CAUTION:
Make sure that the grounding cable has been properly connected before powering on the switch.
The S5120-SI Switch Series uses an external AC power system for its power supply. Follow these steps to
connect an AC power cord:
Step1 Connect one end of the supplied grounding cable to the grounding screw on the rear panel of the
chassis and the other end to the ground as near as possible.
Step2 Insert one end of the AC power cord to the AC power receptacle on the rear panel of the chassis, as
shown in Figure 41 .
Step3 Connect the other end of the power cord to a power source.
Figure 41 Connect the AC power cord (A)
The S5120-9P-SI, S5120-9P-PWR-SI and S5120-9P-HPWR-SI provide a bail latch to fix the AC power cord.
Follow these steps to connect an AC power cord for these switches:
Step4 Insert the two ends of the bail latch to the slots at the two sides of the AC power receptacle. Then push
the bail latch upwards, as shown in
Figure 42 .
Step5 Insert one end of the AC power cord to the AC power receptacle, as shown in callout 1 in Figure 43 .
Then pull the bail latch downwards to secure the AC power cord, as shown in callout 2 in Figure 43 .
Figure 42 Connect the AC power cord (B)