Replacing A Summit X480 Ac Psu; Thermal Protective Gloves; Cord That Meets The Requirements Listed Under "Selecting Power Supply Cords" On Page; Disconnect The Ac Power Cord From The Wall Outlet And From The Psu - Extreme Networks Summit X150 Series Hardware Installation Manual

Maintenance Procedures for Summit X480 Series Switches

Replacing a Summit X480 AC PSU

The Summit X480 series switches have two bays for hot-swappable power supplies. In a switch with a
redundant power configuration, you can replace one Summit X480 AC PSU without powering down the
switch.
You need the following tools and materials to replace a Summit X480 AC PSU:

Thermal protective gloves

●
AC power cord, if you will not be re-using the cord from the removed power supply
●
An AC power cord is not included with the Summit X480 AC PSU. You must obtain a power supply
cord that meets the requirements listed under
To replace a Summit X480 AC PSU:

1 Disconnect the AC power cord from the wall outlet and from the PSU.

2 Note the orientation of the installed PSU, and the location of the latching tab at the left of the unit.
3 Push the latching tab toward the PSU handle and pull outward on the handle to disengage the PSU
internal connectors (see
Figure 227: Removing a Summit X480 AC PSU
4 Carefully slide the PSU the rest of the way out of the switch.
CAUTION
Power supplies may become very hot during operation. Wear thermal protective gloves when you remove
a power supply from an operating switch.
NOTE
If you are not installing a replacement PSU, install a cover over the unoccupied power supply bay.
Unoccupied bays must always be covered to maintain proper system ventilation and EMI levels.
5 Verify that the replacement PSU is oriented the same way as the unit you removed.
6 Carefully slide the PSU all the way into the power supply bay (see
the latch snaps into place.
272
"Selecting Power Supply Cords" on page
Figure 227).
SH_139
Figure 228). Push the PSU in until
Summit Family Switches Hardware Installation Guide
311.