Extreme Networks Consolidated ExtremeXOS Hardware Installation Guide
213
15 Replacing a BlackDiamond 8800 Series/
BlackDiamond 12804 PSU/Fan Controller
This chapter describes important safety information as well as instructions on how to remove and
replace an Extreme Networks BlackDiamond 8800/12804 PSU/fan controller from the following
BlackDiamond switches:
● Extreme Networks BlackDiamond 8800 series of switches
● Extreme Networks BlackDiamond 12804 switch
Each of these BlackDiamond switches contains two PSU/fan controllers that collect and report data
from the Extreme Networks AC power supply units and the BlackDiamond fan tray.
The BlackDiamond 8800/12804 PSU/fan controllers intervene in the event of power inconsistencies and
provide primary/backup redundancy should a BlackDiamond 8800/12804 PSU/fan controller fail.
The BlackDiamond 8810 uses the same PSU/fan controller as the BlackDiamond 8806 and BlackDiamond 12804,
but the BlackDiamond 8810 uses a different fan tray.
This chapter includes the following sections:
● Pre-Installation Requirements on page 213
● Removing a BlackDiamond 8800/12804 PSU/Fan Controller on page 213
● Installing a BlackDiamond 8800/12804 Spare PSU/Fan Controller on page 216
Pre-Installation Requirements
Make sure that you have access to the back of the switch. You will need the following tools and
equipment to replace a BlackDiamond 8800/12804 PSU/fan controller:
● ESD-preventive wrist strap
● #1 Phillips screwdriver
● #2 Phillips screwdriver
● BlackDiamond 8800/12804 spare PSU/fan controller
Removing a BlackDiamond 8800/12804 PSU/Fan
Controller
Beginning with ExtremeXOS version 11.2.1.3, you can hot swap the PSU/fan controller unit. Refer to the
ExtremeXOS 12.0 Concepts Guide for complete information about upgrading software.
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