Installation Guide

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 91:
Table 91: Summit 770 W AC Power Supply LED Status Indications
LED Indicator Status DC Power Redundancy Status
(Green)
Power Supply Failures and warnings
(Amber)
O 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 850 W AC and DC Power Supplies
The following 850 W power supplies are available:
• Summit 850 W AC power supply (Model 10914)
• Summit 850 W DC power supply (Model 10915)
These power supplies are compatible with the Summit X650 series switches.
Note
We do not recommended using the Summit 850 W DC power supply in combination with a
Summit 850 W AC power supply in the same Summit X650 series switch.
The Summit 850 W AC and DC power supplies have the status LED described in the following table.
Table 92: Summit 850 W Power Supply LED Status Indications
Color and State Meaning
Blinking green AC in; no output
Steady green Normal operation
Blinking red Output error
Steady red Critical error
Summit 770 W AC Power Supplies Power Supplies for Use with Your Switch
192 Summit Family Hardware Installation Guide