External Power Supplies
Summit Family Switches Hardware Installation Guide
147
NOTE
For centralized DC power connection, this product is intended to be installed in restricted access locations
(dedicated equipment rooms, equipment closets, or the like) in accordance with Articles 110-16, 110-17, and 110-18
of the National Electric Code, ANSI/NFPA 70.
Each EPS-150DC power supply is shipped with a special redundant power supply cord (Figure 116).
Figure 116: EPS-150DC Redundant Power Cord Connector
EPS-C2 Redundant Power System
The EPS-C2 is an external power supply system that supplies redundant power to Summit switches. It
is a standalone unit that can be rack mounted in a regular 19-inch rack system. The EPS-C2 can be
populated with up to three Summit 750W PoE AC PSUs (power supply units) to provide a total
redundant power budget of up to 2040W. The redundant power supply system can connect up to five
Summit X440s to actively provide power to all five if needed.
The EPS-C2 redundant power system consists of the EPS-C2 chassis (Model 10936) plus one, two, or
three installed Summit 750 W AC power supplies (Model 10931). For more information about the 750 W
AC power supply including LED meanings, see “Summit 750-Watt AC Power Supply” on page 154.
The EPS-C2 system is compatible with the following Extreme Networks switches:
● Summit X440-24t switch
● Summit X440-24t-10G switch
● Summit X440-24p switch
● Summit X440-24p-10G switch
● Summit X440-48t switch
● Summit X440-48t-10G switch
● Summit X440-48p switch
● Summit X440-48p-10G switch
● Summit X450e-48p switch
● Summit X250e-48p switch
The EPS-C2 system provides redundant power for up to five Summit X440 series switches or for a
single Summit X450e-48p or Summit X250e-48p switch. Redundant power connectors on the rear panel
of the EPS-C2 chassis are specific to the supported switch type; a selection switch toggles between the
connector type. There are five 2x7 connectors used for the Summit X440 switches, and one 2x9
connector for the other Summit switches.
Collin's
ES4K027
XM_055
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