The 1761-NET-AIC is obsolete, its end of life is another step to move users away from legacy PLCs and serial protocols. The problem for you is that you aren’t ready to say goodbye to the 1761-NET-AIC. You have lots of machines reliant on legacy PLC’s and need to milk every last drop of function out of them. Without the 1761-NET-AIC, that job would be a lot more challenging. Comes with a din rail mount.