Table 43: Summit 715 W AC Power Supply LED Status Indications
IN_OK
(Green)
OUT_OK
(Green/RED)
Description
O O No AC input power connection or low AC voltage.
On O AC input good, 54V output disabled.
On (Red) On AC input good, output (54V) fault.
On (Green) On AC input good, DC outputs in spec.
Summit 750 W AC Power Supply
The Summit 750 W AC power supply is used in the EPS-C2 external power system (see EPS-C2
Redundant Power System on page 95). 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.
Table 44: Summit 750 W AC Power Supply LED Status Indications
Label and Color State Meaning
AC OK
Green
O No AC input
On AC input is good.
DC OK
Green
O 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
O 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 o.)
Thermal shutdown, fan failure, or any fault condition when both 55 V and 12 V are
turned OFF.
750 W AC and DC Power Supplies
750 W power supplies are available for the ExtremeSwitching X695 switch in the following models:
•
750W AC power supply - front-to-back airflow (part no. XN-ACPWR-750W-F)
•
750W AC power supply - back-to-front airflow (part no. XN-ACPWR-750W-R)
Power Supplies for Use with Your Switch
ExtremeSwitching and Summit Switches: Hardware Installation Guide 108
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