
Chapter 1 Product Overview
Fan Tray
Note The 
Figure 1-5  Catalyst 4948E-F  Fan Tray
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| Backplane connector | 3 | 12 VDC fan (4X). Air is drawn in from the | 
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 | rear of the chassis and exhausted through the | 
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 | front of the chassis. | 
| Captive installation screw (2X) | 
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The fan tray draws in air through vents at the rear of the chassis and exhausts it through the front of the chassis as shown in Figure 
Figure 1-6  Catalyst 4948E-F  Chassis Airflow
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 | Catalyst 4948E and Catalyst  | 
