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Chapter 2
Installing a Cisco Nexus Fabric Extender
If you purchased this product through a Cisco reseller, contact the reseller directly for technical support.
Note
If you purchased this product directly from Cisco, contact Cisco Technical Support at this URL:
http://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html.
Removing and Installing the Fan Tray
The Cisco Nexus 2200 Series FEXs, and Cisco Nexus 2148T FEX, use a fan tray. The fan tray is
designed to be removed and replaced while the system is operating without causing an electrical hazard
or damage to the system, if the replacement is performed within 1 minute.
Be sure that the fan tray that you are installing has the same airflow direction as the other fan tray and
Caution
power supply modules in the same chassis. Either all of the modules must have port-side exhaust airflow
(a blue or no color on the front of the module) or all of the modules must have port-side intake airflow
(red or black color on the front of the module). If the modules have different airflow directions in the
same chassis, an error condition occurs, the switch can over heat, and the switch can shut down.
If you power up a FEX with power supply and fan tray modules that have different directions of airflow,
Note
an error condition will occur and the switch can over heat and shut down. With this error condition, you
must shut down the switch to replace the modules that do not take in cool air from the cold aisle. After
you ensure that all of the modules have the same direction of airflow and take in cooling air from the
cold aisle, you can power up the FEX.
This section includes the following topics:
•
•
Removing a Fan Tray
Warning
When removing the fan tray, keep your hands and fingers away from the spinning fan blades. Let
the fan blades completely stop before you finish removing the fan tray. Statement 258
To remove a fan tray, follow these steps:
Loosen the captive screws on the fan tray by turning them counterclockwise, using a flat-blade or
Step 1
number 2 Phillips screwdriver if required.
Grasp the captive screws of the fan tray and pull it outward.
Step 2
Pull the fan tray clear of the chassis and set it on an antistatic surface or repack it in packing materials.
Step 3
Removing a Fan Tray, page 2-21
Installing a Fan Tray, page 2-22
Removing and Installing Components
Cisco Nexus 2000 Series Hardware Installation Guide
2-21
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