Replacing a Summit 1100 W AC Power Supply

1. Disconnect the AC power cord from the wall outlet and from the power supply.
2. Note the orientation of the installed power supply, and the location of the latching tab at the right of the unit.
3. Push the latching tab toward the power supply handle and pull outward on the handle to disengage the power supply internal connectors.
   See Removing a Summit 1100 W AC Power Supply.

   

   Removing a Summit 1100 W AC Power Supply

   
4. Carefully slide the power supply the rest of the way out of the switch.
   

   Caution

   Power supplies can become very hot during operation. Wear thermal protective gloves when you remove a power supply from an operating switch.

   

   Note

   If you are not installing a replacement power supply, install a cover over the unoccupied power supply bay. Unoccupied bays must always be covered to maintain proper system ventilation and EMI levels.
5. Verify that the replacement power supply is oriented the same way as the unit you removed, and has the same airflow direction.
6. Carefully slide the power supply all the way into the power supply bay.
   See Installing a Summit 1100 W AC Power Supply.

   

   Installing a Summit 1100 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.