H3C S12501X-AF, Руководство пользователя, Страница: 24 / 33

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Figure 18 Installing a fan tray
Installing power modules
On an S12501X-AF switch, the power module slots are located on the right of the rear panel. On the
other S12500X-AF switch models, the power module slots are located on both sides of the rear
panel.
The S12501X-AF and S12502X-AF switches are shipped with empty power module slots. Make sure
the power modules slots have power modules or filler panels installed while the switch is operating.
The installation procedure is the same for DC and AC power modules.
To install a power module:
1. If a filler panel is installed in the slot, remove the filler panel first.
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For a filler panel as shown in Figure 19 , thread a flat-blade screwdriver through the hole in
the handle of the filler panel and pull the filler panel out.
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For a filler panel as shown in Figure 20 , use your forefinger to hold the filler panel through
the hole and pull out the filler panel along the guide rails.
2. Correctly orient the power module.
If you install the power module in a left power module slot, make sure the latch is above the
handle. If you install the power module in a right power module slot, make sure the latch is
below the handle.
3. Holding the handle of the power module with one hand and supporting the bottom of the power
module with the other, slide the power module along the guide rails into the slot until you hear a
click.
The power module is foolproof. If the power module is oriented incorrectly, you cannot install
the power module into the slot. If you encounter a hard resistance while inserting the power
module, pull out the power module, reorient it, and then insert it again.
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