H3C Technologies H3C S5800 Series Switches - Manual (Page 15)

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Step4 Examine the LED on the power module. If the LED is steady
green, the power cable is successfully connected. If the LED is
off or red, examine 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 the vertical
direction of the connector is correct.
Figure 7 Connecting 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 9 .
Step3 Connect the other end of the DC power cable to the DC power
supply system.