Extreme Networks ExtremeSwitching X435 Series Hardware Installation Manual page 336

Replacing a 750 W AC Power Supply
8. If necessary, slide the plastic cord retainer farther away from the back of the switch.
See Figure
Figure 276: Moving the Power Cord Retainer
9. Connect the AC power cord to the input connector.
See Figure
Figure 277: Connecting the Power Cord
336 ExtremeSwitching Hardware Installation Guide
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Replacing AC Power Supplies