External Power Supplies
Summit Family Switches Hardware Installation Guide
141
EPS-LD External Power Supply Unit
You can use the Extreme Networks EPS-LD External Power Supply Unit (Model 45019) as a redundant
power supply with the following Extreme Networks switches:
● Summit X450a-24t switch
● Summit X450e-24p switch
When attached to the Summit X450e-24p switch, the EPS-LD provides 465 W total power with 375 W
dedicated for PoE applications.
The front of the EPS-LD has a green LED to indicate operating status (Table 40)
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 500.
Each EPS-160 power supply is shipped with a special redundant power supply cord (Figure 114).
Figure 114: EPS-LD Redundant Power Cord Connector
Table 40: LED Meanings on the EPS-LD
Power LED Meaning
Green, solid The external power supply is operating normally.
Off The external power supply is not connected.
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