The LEDs are located on the end of the power supply unit, arranged vertically to the left of the terminal
block.
Table 54: 750 W DC Power Supply LED Status Indications
Label and
Color
Description
State
Meaning
!
Amber
Fault
Indicator
On
(Solid)
PSU fault
Off
No PSU fault
OUT OK
(Green)
DC output
Good
On
(solid)
DC output OK
Off or
Blinking
DC output fail
IN OK
(Green)
DC input
Good "IN OK"
On
DC input OK
Off
DC input fail
Summit 770 W AC Power Supplies
Summit 770 W AC power supplies are available in the following models:
•
770 W AC PSU-FB (Model 10960)—AC power supply with front-to-back ventilation airflow
•
770 W AC PSU-BF (Model 10961)—AC power supply with back-to-front ventilation airflow
These power supplies are compatible with X590, X690 and X870 switches that have the same airflow
direction as the power supply.
The Summit 770 W AC power supplies employ a single, bi-color LED to indicate power supply status, as
seen in
:
Table 55: Summit 770 W AC Power Supply LED Status Indications
LED Indicator Status
DC Power Redundancy Status
(Green)
Power Supply Failures and warnings
(Amber)
Off
No AC power to all power supplies
or PSU is ON but with warning
events
PSU is Healthy or No AC power to all
power supplies
Flashing (1 Hz)
PSU is OFF but 5VSB is ON
PSU warning events: high temp, high
power, high current, slow fan, under
input voltage
On
PSU is switched on and is running
(Output ON and OK)
PSU critical event causing a shutdown:
failure, OCP, OTP, OVP, UVP, Fan Fail
Summit 1100 W AC Power Supplies
Summit 1100 W AC power supplies are available in the following models:
•
1100 W AC PSU-FB (Model 10941)—power supply with front-to-back ventilation airflow
•
1100 W AC PSU-BF (Model 10942)—power supply with back-to-front ventilation airflow
Summit 770 W AC Power Supplies
Power Supplies for Use with Your Switch
136
ExtremeSwitching Hardware Installation Guide