Cisco Systems manual Catalyst 4948E-F Fan Tray WS-X4993-F=, Catalyst 4948E Fan Tray

Chapter 1 Product Overview

Fan Tray

Figure 1-3 Catalyst 4948E Fan Tray

1

2

278085

3

1

2

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.
Captive installation screw (2X)

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

207440

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.

Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide

OL-21561-02 1-9