A fiberoptic cabinet is disclosed comprising a tray for receiving a plurality of cassettes and comprising pins positioned opposite one another on the side edges towards a rear edge which together defining a hinge axis, and sliders positioned opposite one another on the side walls. The sliders comprise a channel defining an opening and an extension member held slideably within the channel and comprising a slot aligned with the opening. The extension member is slideable within the channel between where the extension member is positioned towards a rear of the channel and where the extension member is positioned adjacent a front end of the channel. The pins are held within slots, and the tray is dimensioned such that when the extension member is slid to the rear, the side edges are received within the openings and when the extension member is slid to the front, the side edges are freed from the openings and the tray is pivotable about the axis.