Data Sheet TTC MPCM-102M 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-102M is a 2-channel, PCM module for use in the TTC MSSR-2010-SA and MSSR-110C miniature IRIG 106 Chapter 10 multiplexer/recorder. Each channel accepts RS-422 differential inputs at rates up to 20Mbps on a per-channel basis.