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Summit Family Switches Hardware Installation Guide
177
3
Connect an appropriate AC power cord to the AC connector on each unit. 
NOTE
An AC power cord is not provided with the EPS-160 unit. See 
information about selecting a power cord.
The PSU-E LED on the front of the EPS-160 should light solid green to indicate that it is ready.
 shows the LED meanings for the EPS-160.
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.
Installing an EPS-LD External Power Supply
The EPS-LD power supply can be mounted in a rack or placed free-standing on a tabletop. You can 
position the EPS-LD facing either the front or the back of the rack. For this reason, each unit has two 
sets of mounting holes on each side. Extreme Networks recommends that you position the EPS-LD so 
that the power output connectors on the EPS-LD unit are on the same side as the external connector on 
the connecting switch.
CAUTION
Do not use the rack-mount brackets to suspend the EPS-LD from under a table or desk, or to attach the unit to a 
wall.
NOTE
An AC power cord is not provided with the EPS-LD power supply. See 
for information about selecting a power cord.
Table 27: LED Meanings on the EPS-160 Power Supply
Power LED
Indicates
Green, solid
The external power supply is operating normally.
Off
The external power supply is not connected.