The optical distribution frame can be installed on the existing wiring rack. This unit is used for storage, connection, management of patch cords and pigtails, telecommunications, CATV Networks, Splicing, protection of optical fibres, FTTH, LAN and WAN. PLEASE KEEP THIS GUIDE FOR FUTURE REFERENCE FIBER OPTIC CROSS CONNECTION CABINET 144, 288 AND 576 FIBER. 0 SCOPE Fiber optic cross connect cabinet is an outdoor optical equipment that is especially designed for outdoor optical nodes in access network.