Data Sheet TTC PCM-102R Dual-Channel PCM Interface Card Data Sheet Download Resource Login to download this resource Username Enter your Curtiss-Wright Defense Solutions username. Password Enter the password that accompanies your username. Forgot password? Don’t have an account? Register here. The PCM-102R is a 2-channel, PCM card for use in Curtiss-Wright’s EDAU/CDAU/WDAU/nDAU systems. The card has two independent PCM channel inputs.