The 460ETCMM moves data between up to 32 Modbus RTU Server devices and up to five Allen-Bradley PLCs. It saves legacy Modbus RTU devices from the scrap pile and allows you to use the many of Modbus RTU devices available in your A-B PLC architectures. Best of all, the product is made in the USA and comes with 5-year warranty. Comes with a din rail mount.