Cisco Router 2620 XM

problems to install SDM in a 2620XM router

Hi, I tried to install the SDM in my router and pc. In my pc there is not problem, but, when I try to install or connect from my pc always I´ve got the same error:" it is not possible to connect with the router for installing SDM". The router is an 2620XM I have configured an IP address in the...