Does Momentum support modem

Hi Every Body
Here I M Once again ,just a query about momentum, i want to use momentum for my RTU apllication , does it support modem if yes then which one and how , i mean modicon or other.........plz if possible give me details ...............

I have one customer who regularly uses Modicon processors, including Momentum, with MultiTech modems. I am not familiar with the exact set up but I do know he has used both the 984LL XMIT and the Concept XXMIT functions.