The 1794-ACNR is a discontinued ControlNet Flex I/O redundant media adapter module, originally manufactured by ALLEN BRADLEY with production ending on 03/31/2015. This dual media adapter replaces the 1794-ACN15 model, featuring a nominal input voltage rating of 24V DC (operating range: 19.2V to 31.2V DC including 5% AC ripple) and communication rate of 5M bits/s. Note: Original manufacturer warranty is not applicable, but this unit includes Radwell's 2-year warranty.