The LEM blank module must be installed if the LEM bay is empty when operating for longer than several
minutes to provide correct airflow. If the airflow is inadequate the preset temperature thresholds will be
exceeded and the system will automatically shut down to prevent permanent damage.
Figure 8: Cisco MDS 9132T LEM
Cisco MDS 9132T Fibre Channel Switch Hardware Installation Guide
11
Product Overview
Linecard Expansion Module