ULTRIX-FM-NS-1RU Install Guide
2101DR-484-01
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CAUTION: Before proceeding, refer to the “Important Regulatory and Safety Notices to Service Personnel” document that was included with your router. It is also recommended to refer to the
Ultrix
Installation Guide
which is available for download from our website.
This document is intended to be used for module replacements only.
Removing the Cooling Fan Module from the ULTRIX-FR1 Chassis
The Cooling Fan Module is critical to the operation of the Ultrix router. Should a fan fail within the module, you will
need to replace the entire module with a new one (ULTRIX-FM-NS-1RU). You will also need to transfer the Micro
SD card from the failed Cooling Fan Module to the new module.
The Cooling Fan Module is accessed via the front of the router chassis and requires that you remove the door first. The
door is secured to the front of the router chassis with a rare earth magnet on each side.
The ULTRIX-FM-NS-1RU Cooling Fan Module is only installed in the ULTRIX-FR1-NS routers.
The Cooling Fan Module replacement should be performed while the chassis is powered on.
To remove the door from the chassis
1.
Verify that the router you are using is compatible with the ULTRIX-FM-NS-1RU by ensuring that the Ultrix
logo on the front door displays an “i” with a blue dot.
2.
With your left hand, grasp the top and bottom of the door at the left side.
3.
With your right hand, grasp the top and bottom of the door at the right side.
Figure 1
Front Panel — Where to Grasp the Door
If you have trouble removing the door from the chassis, you can insert a flathead screwdriver into the notch on
either side of the door for added leverage.
Caution
— For reliable performance, the Ultrix router should not run without fans for more than 5
minutes.
ESD Susceptibility
— Static discharge can cause serious damage to sensitive semi-conductor
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.
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