A high density fiber optic distribution frame includes a frame assembly, one or more left-hand connector module housings mounted on the frame assembly, one or more right-hand connector module housings mounted on the frame assembly and an Interbay Storage Unit (IBU) positioned on the frame assembly medially...http://www.google.es/patents/US6853795?utm_source=gb-gplus-sharePatente US6853795 - High density fiber optic distribution frame