Confidential and proprietary information of Extreme Networks. © 2011 Extreme Networks, Inc.
All rights reserved. DRAFT. October 20, 2011
Summit Family Switches Hardware Installation Guide
291
Removing EPS Series AC Redundant Power Supplies
This section describes how to remove the following external redundant power supplies and power
modules:
● EPS-LD power supply installed in an equipment rack
● EPS-500 power supply installed in an equipment rack
● EPS-160 power supply installed in an EPS-T tray
● EPS-600LS power module installed in an EPS-C chassis
Removing an EPS-LD or EPS-500 Power Supply
To remove an EPS-LD or EPS-500 power supply:
1 Disconnect the AC power by removing the plug from the wall.
2 Disconnect the AC power cord from the power supply.
3 Disconnect the redundant power cord that connects the switch to the power supply.
4 Remove the mounting screws securing the power supply to the rack.
5 Slide the power supply out of the rack.
Removing an EPS-160 Power Supply from an EPS-T
To remove an EPS-160 power supply from an EPS-T:
1 Disconnect the AC power by removing the plug from the wall.
2 Disconnect the AC power cord from the EPS-160.
3 Disconnect the redundant power cord from the EPS-160.
4 Loosen the captive retaining screws on the front of the EPS-160 and slide it out of the EPS-T.
Removing an EPS-600LS Power Module
To manually disconnect an EPS-C system or to remove the EPS-600LS modules, the recommended
practice is to disconnect the EPS-600LS modules one at a time, pausing two seconds after each
EPS-600LS disconnect. This enables a graceful power transition from the external power supplies to the
internal power supply.
To remove an EPS-600LS unit:
1 Disconnect the AC power by removing the plug from the wall.
2 Release the cable clip securing the AC power cord to the EPS-600LS unit.
3 Disconnect the AC power cord from the EPS-600LS unit.
4 Loosen the captive screws on the EPS-600LS unit securing it to the EPS-C chassis.
5 Slide the EPS-600LS unit out of the EPS-C chassis.
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