Cisco ONS 15454 Series - Front Door

The ONS 15454 ships with a standard door but can also accommodate a deep door and extended fiber clips
(15454-DOOR-KIT) to provide additional room for cabling (Figure 1-4).
Figure 1-4: Cisco ONS 15454 Deep Door
ONS_15454_Reference_Manual_R8.5.x_--_Shelf_and_Backplane_Hardware
Figure 1-3: The ONS 15454 Front Door 8