Data Sheet TTC MPCM-102N Dual-Channel PCM Interface Module 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 MPCM-102N is a 2-channel, PCM Module for use in the TTC Miniature Network High-Speed Data Acquisition unit (MnHSD-2000). The module has two independent PCM channel inputs.