H3C S12508-AC Installation Manual page 53

Connect one end of the blue DC power cord marked with – to the negative terminal (–) on the
4.
power module; connect the – end of the grounding cable to the terminal marked with PE on the
rightmost of the grounding strip.
Figure 37 Connect the DC power cord to the grounding strip
Connect the other end of the DC power cord to the power source:
5.
Connect the other end of the black DC power cord to the RTN(+) terminal that provides power
a.
to the switch.
Connect the other end of the blue DC power cord to the negative terminal (–) that provides a
b.
power module to the switch.
Connect the other end of the grounding cable to a reliable grounding point.
c.
Put the protection cover on the wiring terminals.
6.
Figure 38 Install the protection cover
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