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Chapter 1 Product Overview
Switch Components
1-10
Catalyst 2984G, 2948G-GE-TX, and 2980G Switch Hardware Installation Guide
78-6286-05
If an individual fan fails, the other fans continue to run. Sensors monitor the
internal air temperatures. If the air temperature exceeds a tolerable threshold, the
environmental monitor displays warning messages.
On the Catalyst 2948G-GE-TX, a blower system draws cool air in from the front
and sides of the switch and exhausts air out the back.
Figure 1-4 shows the direction of airflow through the Catalyst 2948G switch.
Figure 1-5 shows the direction of airflow through the Catalyst 2948G-GE-TX
switch.
Figure 1-6 shows the direction of airflow through the Catalyst 2980G switch.
Figure 1-4 Catalyst 2948G Airflow
Figure 1-5 Catalyst 2948G-GE-TX Airflow
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Catalyst 2948G
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