Installation Guide

7. Push the power supply in until the latch snaps into place.
Caution
Do not slam the power supply into the switch.
Figure 392: Installing A Summit 350 W or 715 W AC Power Supply
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 Summit 450 W or 550 W AC Power Supply
Summit 450 W power supplies are compatible with switches that have front-to-back ventilation airflow.
Summit 550 W power supplies are available for switches with either front-to-back or back-to-front
airflow.
You need the following tools and materials to replace a 450 W or 550 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 the Summit 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 653.
In a switch with a redundant power
configuration, you can replace one Summit AC power supply
without powering down the switch.
Note
You cannot combine 450 W power supplies and 550 W power supplies in the same switch.
Replacing AC Power Supplies Replacing a Summit 450 W or 550 W AC Power Supply
Summit Family Hardware Installation Guide 455