Confidential and proprietary information of Extreme Networks. © 2011 Extreme Networks, Inc.
All rights reserved. DRAFT. October 20, 2011
Summit Power Supplies
Summit Family Switches Hardware Installation Guide
118
Summit 750-Watt AC Power Supply
The Summit 750 W AC power supply (Model 10931) is available for PoE models of the Summit X460
series switches.
One installed Summit 750 W AC power supply can provide up to 380 Watts of PoE power budget.
With two installed Summit 750 W AC power supplies, the system has approximately 760 Watts of PoE
power budget.
The Summit 750 W AC power supply has the status LEDs listed in
Table 41
.
Table 41: Summit X460 750 W AC Power Supply LED Meanings
Label and
Color
State
Meaning
AC OK
Green
Off
No AC input
On
AC input is good.
DC OK
Green
Off
Both DC outputs (55 V and 12 V) are bad or not enabled.
Blinking
One output is enabled and good; the second output is bad or not enabled.
On
Both the 55 V and 12 V outputs are enabled and good.
ALM
Red
Off
No fault condition exists.
Blinking
Power supply alert: power supply is likely to fail because of a developing fault,
such as abnormal thermal conditions or poor fan performance.
or
One output (55 V or 12 V) is bad.
On
Both outputs (55 V and 12 V) are bad.
Power supply is receiving 3.3 VSB from the system. (AC OK and DC OK are
off.)
Thermal shutdown, fan failure, or any fault condition when both 55 V and 12 V
are turned OFF.
