The Rack Shelf sub-menu can be accessed by clicking on Inventory > Rack Shelf(Shelf Identifier) in the navigation pane. The Rack Shelf sub-menu lists details of the Rack Shelf and the cards present in the Rack Shelf. Each individual card link when clicked, displays the physical parameters of the card and a list of active alarms against that card in the lower pane of the preview area.
The Delete Cards link allows you to delete the configuration of the card removed from the rack shelf.