Справочник Пользователя для Extreme networks 12800 Series

BlackDiamond 12800 Series Switches Hardware Installation Guide

This chapter provides important safety information and instructions on how to remove and replace the 
PSU/fan controller and the fan tray in a BlackDiamond 12800 series switch.

BlackDiamond 12800 series switches have one fan tray. The BlackDiamond 12804 switch contains two 
PSU/fan controllers, and the BlackDiamond 12802 switch has one PSU-fan controller. 

This chapter includes the following sections:

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Service to all BlackDiamond equipment should be performed by trained service personnel only. Read all 
important safety information before installation or removal. See 

 for additional information 

regarding regulatory compliance certifications applicable to a BlackDiamond PSU/fan controller.

Thoroughly review the information about power supplies in 

 before working with the 

PSU/fan controller unit.

The BlackDiamond 12804 switch has two PSU/fan controllers behind an access panel on the rear of the 
switch chassis. 

If your system is running ExtremeXOS version 11.2.1.3 or later, you can hot swap the PSU/fan controller unit. Refer 
to the ExtremeXOS 12.0 Concepts Guide for complete information about upgrading software.

Make sure that you have access to the back of the switch. You need the following tools and equipment 
to replace a BlackDiamond 12804 PSU/fan controller:

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ESD-preventive wrist strap

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#1 Phillips screwdriver

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#2 Phillips screwdriver