Removing An Eps-600Ls Power Module - Extreme Networks Summit X450a-24tDC Hardware Installation Manual

Installing an EPS-600LS External Power Module
Be sure that the electrical outlet is properly grounded.
7 Repeat steps 1 through 6 for each EPS-600LS unit.

Removing an EPS-600LS Power Module

To manually disconnect an EPS-C 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 PSUs to the internal PSU.
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.
5 Slide the EPS-600LS unit out of the EPS-C.
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Summit Family Switches Hardware Installation Guide