Connecting power cords, Connecting a dc power cord – H3C Technologies H3C S12500 Series Switches User Manual
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Figure 17 Installing a card (for the S12508/S12518)
Connecting power cords
NOTE:
Make sure that the power switch is in the OFF position before you connect the power cords.
Connecting a DC power cord
WARNING!
A plastic protection cover is installed in front of the grounding strip to protect operators from being
shocked. Remove the protection cover before connecting power cords and then install the protection cover
in time.
To connect a DC power cord:
1.
Remove the protection cover from the power module.
2.
Loosen the fastening screw on the wiring terminal marked with RTN(+) with an M6 wrench, and
remove the screw, spring washer, and flat washer.
3.
Connect one end of the black DC power cord marked with "–" to the RTN(+) terminal on the power
module, install the flat washer, spring washer, and fasten the screw.
4.
Connect one end of the blue DC power cord marked with "–" to the negative terminal (–) on the
power module; connect the "–" end of the grounding cable to the terminal marked with PE on the
rightmost of the grounding strip.