Data Sheet TTC RCI-204 Remote CAIS Bus Expansion Card Data Sheet Download Resource The file you are trying to access requires you to be logged in as a registered user. Registration is free, sign up today. 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 RCI-204 card can be used to add multiple CAIS Bus Expansion Ports to Curtiss-Wrigh’s AIC-200X Airborne Instrumentation Controller.