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Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
OL-21561-02
Chapter 1 Product Overview
Fan Tray
Figure 1-3 Catalyst 4948E Fan Tray
The fan tray draws in air through vents at the front of the chassis and exhausts it through the rear of the
chassis as shown in
Figure 1-4.
Figure 1-4 Catalyst 4948E Chassis Airflow
Catalyst 4948E-F Fan Tray (WS-X4993-F=)
The Catalyst 4948E-F chassis fan tray (WS-X4993-F=) contains four variable-speed, 12 VDC fans. (See
Figure 1-5.) The fan tray is mounted in the rear of the chassis between the two power supplies.
1 Backplane connector 3 12 VDC fan (4X). Air is drawn in from the
front of the chassis and exhausted through the
rear of the chassis.
2 Captive installation screw (2X)
278085
2
3
1
207440