H3c-technologies H3C WX6000 Series Access Controllers Manual de usuario descargar pdf (Pagina 48)

Hardware maintenance

Required tools

• ESD-preventive wrist strap

• Screwdrivers

Removing and installing a PSU

The DC and AC PSUs of the WX6103 are similar in the way they are removed and installed. This section

uses an AC PSU as an example.

CAUTION:

• The power supply units (PSUs) of the WX6103 access controller are hot swappable.

• To avoid bodily injury, do not touch any naked wire, terminal, or any part with a hi

h volta

e hazard

warning sign when installing or replacing a PSU with the access controller powered on.

Removing a PSU

Figure 35 Remove a PSU

Follow these steps to remove a PSU:

Step1 Put on an ESD-preventive wrist strap, and loosen the captive screws on the PSU, as shown in callout 1 of

Figure 35.

Step2 With one hand holding the PSU handle, pull the PSU part way out of the chassis. Then, support the

bottom of the PSU with the other hand and gently pull it all the way out, as shown in callout 2 of

Figure

35.

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H3c-technologies H3C WX6000 Series Access Controllers Manual de usuario Pagina 48