Wirewerks LGXtra 4U Patch Panel is an advanced, LGX profile chassis capable of holding up to 14 LGX-style adapter strips or cassettes. The panel is equipped with a removable back cover, magnetic cable management, and extended front cable entrance, which allows for easy front access, inside-panel manipulation, and splices. Adapter strips up to 336 fibers, or cassettes can be installed into the 14 LGX cut-outs using their push pin mechanism