Installation Guide

The Summit 550 W power supplies (AC and DC) have the status LEDs listed in Table 50.
Table 50: Summit 550 W Power Supply LED Status Indications
Position Color and
State
Meaning
Top
Power Good
Steady Green +3.3VSB ok; 12 V ok; power supply is working properly.
Middle
Power Supply Fail
Steady Amber Fault condition (for example, 3.3VSB OCP/UCP, 12V OCP/
UCP, or fan failure).
Bottom
AC OK
Steady Green Power supply is connected to power.
If the cord is connected and this LED is o, the power supply
is defective.
Summit 715 W AC Power Supplies
Summit 715 W AC power supplies are available in the following models:
• 715 W AC PSU-FB (models XN-ACPWR-715W-FB and 10951)—AC power supply with front-to-back
ventilation airflow
• 715 W AC PSU-BF (Model 10952)—AC 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 715 W AC PSU-FB power supply (models XN-ACPWR-715W-FB and 10951) 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 715 W AC power supplies have a keyed power inlet (C16) that requires a notched (C15)
power cord.
The Summit 715 W AC power supplies have the status LEDs listed in Table 51.
Table 51: Summit 715 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 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 122). Each installed Summit 750 W AC power supply can provide up
to 380 watts of PoE power budget.
Summit 715 W AC Power Supplies
Power Supplies for Use with Your Switch
134 ExtremeSwitching Hardware Installation Guide