Modular Plugs Stewart Connector / Bel Modular Plugs feature shielded and unshielded Cat 6a plugs with wire management systems to provide the reliable patch cord assemblies required in 10GBase-T applications. The modular plugs with slimline boots and latch protection are designed for high-density Gigabit Ethernet devices. Stewart Connector / Bel also offers numerous modular plugs with keying for use in proprietary communications systems where plug-to-jack mating needs to be controlled. Stewart Connector / Bel Modular Plugs are designed to exceed appropriate TIA-568 and IEC 60603-7 mechanical and electrical performance specifications.