Installation ManualH3C S7500E Series Ethernet Switches Chapter 5 Hardware Maintenance5-72) Tighten the captive screws with a screwdriver.3) Push the handle into the groove.5.4.2 For the Other ModelsI. Removing the fan trayFigure 5-4 Remove the fan tray of the other modelsFollow these steps to remove the fan tray of other models:1) Wear an ESD-preventive wrist strap and loosen the captive screws on the fan traywith a screwdriver (see callout ① in Figure 5-4).2) Drag the fan tray out of the slot (see callout ② in Figure 5-4).3) Put the removed fan tray into a package.II. Installing a fan trayInstall a fan tray in the opposite way you remove it:1) Take a new fan tray out of a package and slide it along the guide rails into theswitch until it snaps into the chassis backplane.2) Tighten the captive screws on the fan tray with a screwdriver.5.5 Installing Mounting Ears and a Cabling Rack(s)To facilitate installation and cable routing, mounting ears and a cabling rack are shippedtogether with the S7500E series, but they are separated. Therefore, you first need toinstall the cabling rack on a mounting ear.For the S7506E-V, it is unnecessary to install cabling racks onto mounting ears. Twocabling racks are provided for the S7506E-V: upward cabling rack and downwardcabling rack. These two cabling racks are different. The cabling rack with a tray should
