B&B Electronics 422LCON RS-422 Line Converter

The B&B Electronics 422LCON RS-232/RS-422 Line Converter is a compact interface that bridges an RS-232 serial device to an RS-422 network, enabling reliable data transmission over differential lines in light industrial environments. It includes LED indicators to display data activity and status, giving quick, at-a-glance diagnostics of the RS-232 side and the RS-422 link. The device is described by the manufacturer as RS-232/422 Converter with LEDs and is classified as light industrial ITE equipment, reflecting its intended use in modest industrial settings. A Declaration of Conformity references European standards such as EN 50082-1 (IEC 801-2, IEC 801-3, IEC 801-4), EN 50081-1 (EN 55022, IEC 1000-4-2), EN 61000-4 (2, 3, 4, 5, 6, 8, 11), ENV 50204, and EN 55024, signaling EMI and safety compliance. Guidance within the accompanying documentation recommends proper grounding: connect protective ground and signal ground at each end of the system and, for shielded twisted-pair installations, bond the shield to protective ground, with a 100-ohm, 1/2-watt resistor recommended at one end to aid impedance matching. These details together describe a purpose-built, non-isolated serial bridge suitable for converting RS-232 signals to RS-422 form and integrating legacy equipment with modern differential networks, all from the B&B Electronics lineage (often associated with the B&B SmartWorx product family).