The NexLight® NXL-BMS accessory panel provides protocol conversion from the native Modbus TCP/IP of the NexLight System to BACnet protocol for integration into a Building Management Systems. The BACnet system can then connect either via Ethernet to an available port on the supplied unmanaged ethernet switch or via RTU connection on the BMS protocol converter in the NXL-BMS panel. The Building Management Integrator can easily set the communication of the device to match their BMS network and Map the NexLight System Points using the supplied points list. This panel includes a Surface Mount NEMA/Type 1 Enclosure with a hinged cover secured by a robust locking mechanism that includes (2) keys.