Summit External Power Supplies (EPS)
Extreme Networks Consolidated ExtremeXOS Hardware Installation Guide
320
Figure 226: Connecting an EPS-500 unit to a switch
3 Connect the AC input power cord to the AC connector on the EPS-500 unit.
The EPS-500 unit does not have a switch for turning the unit on and off. Disconnect power to the EPS-500 unit by
removing the plug from the electrical outlet. Be sure that this connection is easily accessible to you.
4 Connect the other end of the AC power cord to the electrical outlet.
Be sure that the electrical outlet is properly grounded.
Consider all of the equipment that is connected to the power supply circuit to ensure that the circuit is not
overloaded. Use proper overcurrent protection, such as a circuit breaker, to prevent overcurrent conditions.
The switch and its redundant power source should not be plugged into the same circuit breaker.
The Power LED on the front of the EPS-500 unit turns solid green to indicate that it is ready. Table 41
shows the possible LED status for the power supply.
Table 41: LED status for EPS-500 Power LED
Power LED Indicates
Green, solid The external power supply is operating normally.
Off The external power supply is not connected.
Collin's
ES4K021A
XM_074
Slot for key
Keyed end of
redundant power cord
To AC
To AC
Extreme switch
EPS-500
Redundant
power cord
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