Hi to all we are going to buy E3 interface for cisco 7200 router the PA-MC-E3 is right solutin for 7200.But for our cisco 2800 router there are NM-1T3/E3 modules the problem is tha i don't know that it can done demultimplexing of multiple E1 lines.THe PA-MC-E3 is doing that function.
Thnx in advance..