3Com 4005 Installation And Maintenance Manual

Also see for 4005: Key Information Guide Datasheet

Contents

3Com 4005 Installation And Maintenance Manual Manual pdf 37 page image

6 SWITCH 4005 F AN TRAYSThis chapter describes how to remove and install a fan tray (Model Number3C16823) from the Switch 4005 chassis. The main sections are titled as follows: Fan Tray Description Removing a Fan Tray Installing a Fan Tray Troubleshooting a Fan TrayFan Tray Description The Switch 4005 chassis can contain two fan trays (Model Number 3C16823),which are installed from the rear of the chassis, as shown in Figure 14.Figure 14 Fan Trays in the Switch 4005 ChassisHeat is produced while the Switch 4005 is operating. To cool the chassis, the fantrays pull in cooler ambient air from vents in the module faceplates and then expelthe hot air through vents in the rear of the fan trays.The power supplies also contain small fans. Their fans pull air from side vents inthe chassis and expel hot air through vents in the rear of the power supplies.Fan tray failure or ambient air that is too hot will eventually cause the Switch 4005to power off. Ensure that your site meets the requirements described in Chapter 3.The chassis does not contain temperature sensors. However, a trap is sent to themanagement application when one or more fans in a fan tray is not operatingnormally.Fan tray(in slot 2)Fan tray(in slot 1)