Steel Side Panels for Installation on Your Euro-Series SRX42UB Rack CabinetThese SmartRack® side panels feature key-locking latches for securing your rack equipment against tampering and theft. Designed for the standard-depth SRX42UB rack, these four panels can also be added to the side of an expansion cabinet (such as SR42UBEXP) when application needs have changed. You can also use them as replacements for existing side panels.Convert an Expansion Cabinet into a Cabinet with Side PanelsSR42UBEXP is an expansion cabinet designed to be bayed together with other cabinets. When needs change and the cabinets must be separated, add these heavy-duty steel panels to the sides of them to convert the racks into standard cabinets.