c. Open the clip and slip it over the barrel of the connector (see Figure 202).
Figure 202: Attaching the Power Cord Retainer
d. Snap the clip firmly around the connector.
7. Connect the other end of the power cord to an AC power outlet.
Warning
Always make sure that the source outlet is properly grounded before plugging the AC
power cord into the AC power supply.
To install a second power supply, repeat step 1 on page 252 through step 7.
Install a 450 W or 550 W Internal AC Power Supply
Some switches are shipped without installed power supplies. They accommodate one or two Summit
450 W or 550 W AC power supply units.
Summit 550 W AC power supplies are available for switches with either front-to-back or back-to-front
airflow.
An AC power cord is not included with the AC power supply. You can purchase AC power cords for use
in the US and Canada from Extreme Networks or from your local supplier. The cord must meet the
requirements listed in Power Cord Requirements for AC-Powered Switches and AC Power Supplies on
page 475.
Before installing the power supply:
•
Verify that the switch rack or chassis has been grounded.
• Verify that the airflow direction for the power supply is the same as the airflow direction of the
installed fan modules in the switch.
When installing an AC power supply, be sure to observe the following precautions:
Warning
To prevent an electrical hazard, make sure that the AC power cord is not connected to the
power supply before you install the power supply in the power supply bay.
Installing Your Extreme Networks Switch Installing Internal AC Power Supplies
ExtremeSwitching Hardware Installation Guide 255
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