Installation guide

EPS-LD External Power Supply Unit
Summit Family Switches Hardware Installation Guide
47
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.
NOTE
Each EPS-160 power supply is shipped with an AC cord for use in North America and a special redundant power
supply cord (Figure 37).
Figure 37: Redundant Power Cord Connector
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, the EPS-LD provides 465 W total power with 375 W dedicated
for PoE applications.
EPS-500 External Power Supply Unit
The Extreme Networks EPS-500 External Power Supply Unit (Model 10911) provides additional power
to compatible Power over Ethernet (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 X450a-24t switch
● Summit X450a-24x switch
● Summit X450a-48t switch
● Summit X450e 24p switch
● Summit X250e-24p switch
● Summit X150-24p switch
The EPS-500 power supply provides up to 500 W of total power and up to 375 W of power dedicated to
PoE applications. When this power supply is used one of the listed Summit switches, the internal and
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