H3C Technologies H3C S5800 Series Switches - Manual (Page 16)

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Step4 Check the LED on the power module. If the LED is steady green
or blinking green, the power cable is successfully connected. If
the LED is off or red, check the installation conditions,
troubleshoot the problems, and try again until the LED is
normal.
Connecting the DC power cable
Step1 As shown in Figure 7 , insert the connector of the DC power
cable into the DC input socket of the switch. The connector of
the DC power cable and the DC input socket are designed for
avoiding upside down installation. Make sure that the vertical
direction of the connector is correct.
Figure 7 Connect the DC power cable
Step2 Use the cable tie to secure the power cable to the handle of the
power module. For more information, see
Step2 on page 10 .
Step3 Connect the other end of the DC power cable to the DC power
supply system.