Table 43: Summit 715 W AC Power Supply LED Status Indications
IN_OK
(Green)
OUT_OK
(Green/RED)
Description
Off
Off
No AC input power connection or low AC voltage.
On
Off
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
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
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.
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