I am adding a router E1 in a 2811 and would like to know what type of connector should I use?Can anyone help me?Thank you.

Hello all.How do I find the default throughput supported by the Router 3925E?I need a router that supports 400Mbps line 3900.The 3925E supports? If so, you need to upgrade or add a EHWIC? If so, what can I addto support that throughput?Thanks for the...