Installing A Fan Module - Cisco MDS9120 - MDS 9120 Multilayer Fabric Switch Installation Manual

Removing and Installing Components
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m

Installing a Fan Module

To install a new fan module, follow these steps:
Step 1 Position the fan module with the LED oriented away from the back of the switch.
fan module for the Cisco MDS 9120 Switch and the Cisco MDS 9140 Switch.
module for the Cisco MDS 9134 Switch and the Cisco MDS 9134 Switch.
Step 2 Slide the fan module into the switch until it clicks into place.
Figure 2-26
Figure 2-27
Figure 2-27
Caution Although the fan modules for the Cisco MDS 9134 and Cisco MDS 9148 switches appear to be similar,
there is a difference between the two with their airflow directions. The airflow for MDS 9134 is from
front to back where as the airflow for the MDS 9148 is from back to front. Ensure that you connect the
correct fan module designated for your Cisco MDS 9100 series switch. Connecting an incorrect fan
module may overheat the system, which may result in system failure.
Cisco MDS 9100 Series Hardware Installation Guide
2-34
Cisco MDS 9100 Series Fan Module
Fan module LED
shows the Cisco MDS 9148 and the MDS 9134 fan module.
Cisco MDS 9148 and MDS 9134 Fan Module
Chapter 2 Installing the Cisco MDS 9100 Series
Figure 2-26
Figure 2-27
shows the
shows the fan
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