- When used with fiber adapter panels or LGX fiber cassettes, it can hold 288 fibers. - New grommet design improves stackability. - Smoked-plastic, lockable front door makes it easy to view connections. Satisfy your requirements for maximum flexibility and high-density terminations with these cabinets for your 19" or 23" rackmount fiber applications. Just snap in up to 12 adapter panels or LGX fiber cassettes. A smoked-plastic front cover protects your patch cords from dust and dirt, and makes it easy to view connections. And because the front cover is lockable, you can keep your panel connections secure. A removable rear cover makes patch cords and pigtails accessible. Comes with adjustable rackmount brackets for easy installation.