6. Carefully slide the power supply all the way into the power supply bay.
See Figure 273.
Figure 273: Installing a 450 W or 550 W AC Power Supply
7. Push the power supply in until the latch snaps into place.
Caution
Do not slam the power supply into the switch.
8. Connect the power cord to the power supply and to a grounded AC power outlet.
Warning
Always be sure that the source outlet is properly grounded before plugging the AC power
cord into the AC power supply.
9. If the power supply is equipped with a power cord retainer, use the retainer to secure the power cord
to the power supply.
Replacing a 750 W AC Power Supply
You need the following tools and materials to replace a 750 W AC power supply:
• Thermal protective gloves
• AC power cord, if you will not be re-using the cord from the removed power supply
An AC power cord is not included with an AC power supply. You must obtain a power supply cord
that meets the requirements listed in Power Cord Requirements for AC-Powered Switches and AC
Power Supplies on page 475.
These switches have two bays for hot-swappable power supplies. In a switch with a redundant power
configuration, you can replace one AC power supply without powering down the switch.
To replace a 750 W AC power supply, follow these steps:
1. Disconnect the AC power cord from the wall outlet and from the power supply.
Replacing AC Power Supplies
Replacing a 750 W AC Power Supply
ExtremeSwitching Hardware Installation Guide 333
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