Replacing AC Power Supplies
Replacing a 150 W AC Power Supply
on page 86
Replacing a 600 W, 920 W, 1200 W, or 2000 W AC PoE Power Supply
on page 88
This chapter describes how to replace AC power supplies in a switch.
Caution
Power supplies that support PoE cannot be installed in switches that do not support PoE. The
switch operating system prevents PoE power contribution from a power supply that is not
listed for use with that particular switch model.
Replacing a 150 W AC Power Supply
The 150 W AC PSU (Model XN-ACPWR-150W with front-to-back ventilation airflow) is compatible with
5420F-24T-4XE, 5420F-24S-4XE, 5420F-48T-4XE, 5420M-24T-4YE, and 5420M-48T-4YE switch
models.
5420F models have 1 hot-swappable PSU and 1 fixed PSU. 5420M models have 2 hot-swappable PSUs.
In a switch with a redundant power configuration, you can replace one AC power supply without
powering down the switch.
Caution
A 150 W AC power supply cannot be installed and used in a switch that supports PoE.
You need the following tools and materials to replace a 150 W AC power supply:
•
Thermal protective gloves
•
AC power cord, if you will not be re-using the cord from the removed power supply
To replace a 150 W AC power supply, follow these steps:
1. Disconnect the AC power cord from the wall outlet and from the power supply.
2. Note the orientation of the installed power supply, and the location of the latching tab at the right of
the unit.
86
ExtremeSwitching 5420 Series Hardware Installation Guide