UEI's DNA-CT-602 (Hellfire / M272 / PRF / PIM test interface) is available for all UEI Cubes and RACKtangle chassis. It is based on COTS hardware and has fully differential inputs/outputs at RS-422/485 logic levels. Featuring 10 counting modes with 32-bit prescaler in counter mode, support for SSI communications protocol in serial mode and programmable data word and frame sync length in serial mode.