Installation Guide

The Summit 770 W AC power supplies employ a single, bi-color LED to indicate power supply status, as
seen in Table 55:
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)
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 1100 W AC Power Supplies
Summit 1100 W AC power supplies are available in the following models:
• 1100 W AC PSU-FB (models XN-ACPWR-1100W-FB and 10941)—power supply with front-to-back
ventilation airflow
• 1100 W AC PSU-BF (Model 10942)—power supply with back-to-front ventilation airflow
Both power supplies are compatible with X460-G2 PoE switch models that have the same airflow
direction as the power supply.
The Summit 1100 W AC PSU-FB power supply (models XN-ACPWR-1100W-FB and 10941) is compatible
with the X450-G2 PoE and X465 PoE (-48P, X465-48W, X465-24MU, X465-24MU-24W, X465-24W,
X465i-48W) switch models.
The Summit 1100 W AC power supplies have a keyed power inlet (C16) that requires a notched (C15)
power cord.
The Summit 1100 W AC power supplies have the status LEDs listed in Table 56.
Table 56: Summit 1100 W AC Power Supply LED Status Indications
IN_OK
(Green)
OUT_OK
(Green or 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 1100 W DC Power Supplies
Summit 1100 W DC power supplies are available in the following models:
• 1100 W DC PSU-FB (Model 10962)—DC power supply with front-to-back ventilation airflow
Power Supplies for Use with Your Switch
Summit 1100 W AC Power Supplies
ExtremeSwitching Hardware Installation Guide 137