The box has been designed with the tube routing region to accommodate a maximum of 22 MIL-PRF-85045/25 blown optical fiber tube cables. The tube routing region of the interconnection box should be used for routing and interconnecting of blown optical fiber tube cable.

The box also contains an interconnect region intended for the routing of OFCCs and 5 mm blown optical fiber tubing. The interconnect region shall have sufficient area and mounting capacity to accommodate four (4) M24728/6 (see MIL-I-24728/6) connector adapter panels, four (4) M24728/8-50 (see MIL-DTL-24728/8) splice tray holders, or four (4) M24728/11-01 (see MIL-DTL-24728/11) splice tray holders or any combination of these components four (4) units maximum).