Ross ULTRIX-FR12 Replacing

This document outlines how to replace the Exhaust Fan Module in the ULTRIX-FR12 chassis.
Caution
safety rules of your workplace.
ESD Susceptibility
devices. Avoid handling circuit boards in high static environments such as carpeted areas and when
synthetic fiber clothing is worn. Always exercise proper grounding precautions when working on circuit
boards and related equipment.

Required Equipment

You will need:
• an Ultrix-FR12-EXFAN Replacement Kit
• a #1 Phillips screwdriver

Removing the Failed Exhaust Fan Module

The Exhaust Fan Module is centrally located on the rear panel, near the top of the chassis. Replacing
the Exhaust Fan Module requires you to first loosen the retaining screw on the module, and then
remove the failed module from the chassis.
To remove the failed Exhaust Fan Module
1. Locate the Exhaust Fan Module on the back panel of the ULTRIX-FR12 chassis.
2. Make a note of the module orientation. This will help with positioning and installing the new
module.
3. Locate the retaining screw on the module faceplate.
I/O Fan Module
4. Use a #1 Phillips screwdriver to loosen the retaining screw.
2101DR-608-01
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Replacing the Exhaust Fan Module in the ULTRIX-FR12
— When servicing or moving equipment, always observe safe handling practices. Follow all
— Static discharge can cause serious damage to sensitive semiconductor
Retaining Screw