Installation Guide

• Summit X450-24t switch
• Summit X450-24x switch
The EPS-T is a rack-mountable chassis or tray that holds one or two EPS-160 power supplies. Each
EPS-160 power supply provides one-to-one redundancy for an attached Extreme Networks switch.
You can order the EPS-T chassis with one or two EPS-160 power supplies already installed. You can also
order an additional power supply from your Extreme Networks reseller.
The front of the EPS-160 unit has a green LED to indicate operating status, as explained in the table
below.
Table 73: EPS-160 LED Indications
Power LED Meaning
Green, solid The external power supply is operating normally.
O The external power supply is not connected.
Note
An AC power input cord is not provided; you can order an appropriate cord from Extreme
Networks or from your local supplier. The power cord must meet the requirements listed in
Power Cord Requirements for AC-Powered Switches and AC Power Supplies on page 653.
Each EPS-160 power supply is shipped with a special redundant power supply cord.
Figure 161: EPS-160 Redundant Power Cord Connector
EPS-500 External Power Supply Unit
The Extreme Networks EPS-500 External Power Supply Unit (Model 10911) provides additional power to
compatible PoE switches and other Extreme switches. You can use the EPS-500 power supply as a
redundant power supply with the following Extreme Networks switches:
• Summit X150-24p switch
• Summit X250e-24p switch
• Summit X350-24t switch
• Summit X350-48t switch
• Summit X450a-24t switch
• Summit X450a-24x switch
Power Supplies for Use with Your Switch
EPS-500 External Power Supply Unit
Summit Family Hardware Installation Guide 169