Summit 750 W AC Power Supply

The Summit 750 W AC power supply (Model 10931) is available for PoE (Power over Ethernet) models of the Summit X460 series switches.

The Summit 750 W AC power supply is also used in the EPS-C2 external power system (see EPS-C2 Redundant Power System). Each installed Summit 750 W AC power supply can provide up to 380 watts of PoE power budget.

The Summit 750 W AC power supply has the status LEDs listed in the following table.

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Summit 750 W AC Power Supply LED Status Indications

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.