X7-4-Install-IG100 Installation Guide
Brocade
®
X7-4 Director Hardware Installation Guide
Fan Assemblies
Fan Assembly Overview
The following list shows important details that you should note about fan assemblies:
•
Two fan assemblies are installed in the chassis, containing two fans each, for a total of four fans.
•
The chassis requires three fans out of four functioning fans for operation.
•
Fan assemblies with the following airflow directions can be installed. All fan assemblies must have the same airflow
direction and match the airflow direction of installed power supplies.
–
Fan assembly with nonport-side air intake: Fans move air from the nonport side to the port side of the chassis.
–
Fan assembly with nonport-side air exhaust: Fans move air from the port side to the nonport side of the chassis.
•
Fan assemblies can be removed and replaced without special tools.
•
The chassis can continue operation while one fan assembly is replaced if the fan assembly is replaced immediately.
The following figure illustrates fan assembly components.
Figure 71: Fan Assembly
1. Power LED
2. Captive Screw
3. Status LED
4. Airflow Label
5. Air Vent
6. Handle
7. Captive Screw
Fan and Power Supply Airflow
All fans and power supply FRUs installed in this device must have either NPI (nonport-side intake) or NPE (nonport-
side exhaust) airflow. You must order a replacement FRU with the same part number (P/N) as the FRU being replaced
to provide the same airflow. The manufacturing P/N, located on the top of the FRU, contains either NPI or NPE. If a
mismatched power source or fan assembly is installed by mistake, a RASlog message occurs indicating that a mismatch
in fan or power supply airflow has occurred and the FRU is faulted.
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