CAT5e Cross-Connect. Belden offers two cross-connect systems for Category 5E cabling. Both systems allow for very high termination density, while maintaining optimal ease of administration. The BIX Cross-Connect System takes advantage of the proven reliability of BIX technology to provide high-performance connections for voice and data networks. The 110 Cross-Connect System uses high reliability Insulation Displacement Connection (IDC) contacts to provide high-performance connections for voice and data networks. The system allows for multiple mounting options of 4-pair and 5-Pair Connecting Blocks.