Summit External Power Supplies (EPS)
Extreme Networks Consolidated ExtremeXOS Hardware Installation Guide
316
Connecting the EPS-LD to Power
Make sure the EPS-LD is connected to the switch before you connect the AC power.
The EPS-LD unit does not have a switch for turning the unit on and off. You disconnect power to the EPS-LD unit
by removing the plug from the electrical outlet. Make sure that this connection is easily accessible to you.
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.
To connect the EPS-LD to power:
1 Connect the AC input power cord to the AC connector on the EPS-LD unit.
2 Connect the other end of the AC cord to the electrical outlet.
Make sure the electrical outlet is properly grounded.
The Power LED on the front of the EPS-LD unit turns solid green to indicate that it is ready. Table 40
shows the possible LED status for the power supply.
Removing an EPS-LD
To remove an EPS-LD unit:
1 Disconnect the AC power by removing the plug from the wall.
2 Disconnect the AC power cord from the EPS-LD unit.
3 Disconnect the cord between the Extreme switch and the EPS-LD unit.
4 Remove the screws from the EPS-LD mounting brackets.
5 Slide the EPS-LD unit out of the rack.
Table 40: LED status for EPS-LD Power LED
Power LED Indicates
Green, solid The external power supply is operating normally.
Off The external power supply is not connected.
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