The modular patch panel system in its basic form is supplied with the panels unloaded and without adapter plates. The panel can also be pre-loaded with any combination of 4 adapter plates of your choice, or pre-loaded with pigtails to meet your project needs. An optional simple splice management kit can also be included. The tray is locked in place with two simple to operate plastic catches. When fully extended the tray is designed to lower to 45°, or by moving the tray to the side it will drop and lock to 55°. This provides the perfect working platform for simple installation or easy maintenance and access even after the panel is installed in the rack.