5-7For the Other ModelsRemoving the fan trayFigure 5-4 Remove the fan tray of the other models12Follow 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 tray with ascrewdriver (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.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 the switch until it snapsinto the chassis backplane.2) Tighten the captive screws on the fan tray with a screwdriver.Installing Mounting Ears and a Cabling Rack(s)To facilitate installation and cable routing, mounting ears and a cabling rack are shipped together withthe S7900E series, but they are separated. Therefore, you first need to install the cabling rack on amounting ear.For the S7906E-V, it is unnecessary to install cabling racks onto mounting ears. Two cabling racks areprovided for the S7906E-V: upward cabling rack and downward cabling rack. These two cabling racksare different. The cabling rack with a tray should be installed in the lower part of the chassis. However,they are installed in the same way.The mounting ears of the S7900E series are installed in the same way.
